Climate - Georgetown (Guyana)
Average weather, temperature, rainfall, sunshine hours
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Climate chart - Georgetown
The climate of Georgetown can be described as equatorial, as temperatures are high all year round and there is no dry season. However, there are two wetter periods, from November to January and from late April to mid-August, and two relatively dry seasons, in February-March and September-October.
The city is the capital of Guyana and is located on the coast of the Atlantic Ocean, at almost 7 degrees north latitude, on the banks of the Demerara River. About 20 km (12 mi) to the west is the delta of the Essequibo River, the largest in the country.
The north-east trade winds blow all year round, tempering the heat.
Georgetown - Climate data
In Georgetown, the average temperature of the coldest month (January) is of 26.6 °C (79.8 °F), that of the warmest month (October) is of 28.3 °C (82.9 °F). Here are the average temperatures.Georgetown - Average temperatures (1991-2020) Month | Min (°C) | Max (°C) | Mean (°C) | Min (°F) | Max (°F) | Mean (°F) |
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January | 23.3 | 29.8 | 26.6 | 74 | 86 | 79.8 |
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February | 23.5 | 29.7 | 26.6 | 74 | 85 | 79.9 |
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March | 23.8 | 30.4 | 27.1 | 75 | 87 | 80.8 |
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April | 23.9 | 30.7 | 27.3 | 75 | 87 | 81.1 |
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May | 23.8 | 30.7 | 27.2 | 75 | 87 | 81.1 |
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June | 23.6 | 30.6 | 27.1 | 74 | 87 | 80.8 |
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July | 23.2 | 31.1 | 27.2 | 74 | 88 | 80.9 |
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August | 23.8 | 31.7 | 27.8 | 75 | 89 | 82 |
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September | 24 | 32.2 | 28.1 | 75 | 90 | 82.6 |
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October | 24.2 | 32.4 | 28.3 | 76 | 90 | 82.9 |
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November | 24 | 30.6 | 27.3 | 75 | 87 | 81.1 |
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December | 23.5 | 30.4 | 27 | 74 | 87 | 80.5 |
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Year | 23.7 | 30.9 | 27.25 | 74.7 | 87.6 | 81 |
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In Georgetown, precipitation amounts to 2260 millimeters (89 inches) per year: it is therefore abundant. It ranges from 90 mm (3.5 in) in the driest month (February) to 330 mm (13 in) in the wettest one (June). Here is the average precipitation.Georgetown - Average precipitationMonth | Millimeters | Inches | Days |
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January | 185 | 7.3 | 16 |
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February | 90 | 3.5 | 10 |
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March | 110 | 4.3 | 10 |
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April | 140 | 5.5 | 12 |
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May | 285 | 11.2 | 19 |
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June | 330 | 13 | 23 |
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July | 270 | 10.6 | 21 |
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August | 200 | 7.9 | 15 |
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September | 100 | 3.9 | 9 |
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October | 105 | 4.1 | 9 |
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November | 185 | 7.3 | 12 |
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December | 260 | 10.2 | 18 |
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Year | 2260 | 89 | 174 |
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At Georgetown, the sea temperature ranges from 26.5 °C (80 °F) in February to 28.5 °C (83 °F) in August, September, October. Here are the average sea temperatures.Georgetown - Sea temperatureMonth | Celsius (°C) | Fahrenheit (°F) |
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January | 27 | 80 | February | 26.5 | 80 | March | 27 | 80 | April | 27 | 81 | May | 27.5 | 81 | June | 27.5 | 82 | July | 28 | 83 | August | 28.5 | 83 | September | 28.5 | 83 | October | 28.5 | 83 | November | 28 | 83 | December | 27.5 | 81 | Year | 27.7 | 81.8 |
In Georgetown, there are on average around 2460 sunshine hours per year. Here are the average hours of sunshine per day.
Georgetown - Sunshine hoursMonth | Average | Total |
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January | 6.5 | 200 | February | 7.5 | 210 | March | 7 | 220 | April | 6.5 | 200 | May | 6 | 180 | June | 5 | 155 | July | 6.5 | 200 | August | 7.5 | 235 | September | 7.5 | 230 | October | 7.5 | 235 | November | 7 | 210 | December | 6 | 185 | Year | 6.7 | 2460 |
Georgetown - Weather by month
Based on the period 1991-2020
In January, the least warm month of the year, the weather in Georgetown is usually warm to hot and muggy. The average temperature is of 26.6 °C (80 °F), with a minimum of 23.3 °C (73.9 °F) and a maximum of 29.8 °C (85.6 °F).
On the coldest nights of the month, the temperature usually drops to around 22 °C (72 °F). However, it dropped to 17.8 °C (64 °F) in January 2016.
On the warmest days of the month, the temperature usually reaches around 31.5 °C (88.5 °F). However, it reached 35.5 °C (95.9 °F) in January 2016.
Precipitation amounts to 185 mm (7.3 in), distributed over 16 days.
The day lasts on average 11 hours and 50 minutes.
There are on average 6.5 hours of sunshine per day. So, the sun shines 55% of the time.
The average humidity is 78%. Hence, the air is normally humid.
The average wind speed is 14 kph (9 mph).
The average sea temperature is of 27 °C (80 °F). Therefore, the sea is pleasantly warm and allows long swims.
In February, the weather in Georgetown is usually warm to hot and muggy. The average temperature is of 26.6 °C (80 °F), with a minimum of 23.5 °C (74.3 °F) and a maximum of 29.7 °C (85.5 °F).
On the coldest nights of the month, the temperature usually drops to around 22 °C (72 °F). However, it dropped to 18.5 °C (65.3 °F) in February 2014.
On the warmest days of the month, the temperature usually reaches around 31 °C (87.5 °F). However, it reached 32.9 °C (91.2 °F) in February 2016.
Precipitation amounts to 90 mm (3.5 in), distributed over 10 days.
The day lasts on average 11 hours and 55 minutes.
There are on average 7.5 hours of sunshine per day. So, the sun shines 62% of the time.
The average humidity is 74%. Hence, the air is normally humid.
The average wind speed is 15 kph (10 mph).
The average sea temperature is of 26.5 °C (80 °F). Therefore, the sea is pleasantly warm and allows long swims.
In March, the weather in Georgetown is usually warm to hot and muggy. The average temperature is of 27.1 °C (81 °F), with a minimum of 23.8 °C (74.8 °F) and a maximum of 30.4 °C (86.7 °F).
On the coldest nights, the temperature usually drops to around 21.5 °C (71 °F). However, it dropped to 17.9 °C (64.2 °F) in March 2001.
On the warmest days, the temperature usually reaches around 32 °C (90 °F). However, it reached 34.4 °C (93.9 °F) in March 2001.
Precipitation amounts to 110 mm (4.3 in), distributed over 10 days.
The day lasts on average 12 hours and 5 minutes.
There are on average 7 hours of sunshine per day. So, the sun shines 59% of the time.
The average humidity is 73%. Hence, the air is normally humid.
The average wind speed is 12 kph (8 mph).
The average sea temperature is of 27 °C (80 °F). Therefore, the sea is pleasantly warm and allows long swims.
In April, the weather in Georgetown is usually warm to hot and muggy. The average temperature is of 27.3 °C (81 °F), with a minimum of 23.9 °C (75 °F) and a maximum of 30.7 °C (87.3 °F).
On the coldest nights, the temperature usually drops to around 22 °C (72 °F). However, it dropped to 18.5 °C (65.3 °F) in April 2002.
On the warmest days, the temperature usually reaches around 32 °C (89.5 °F). However, it reached 34.4 °C (93.9 °F) in April 2010.
Precipitation amounts to 140 mm (5.5 in), distributed over 12 days.
The day lasts on average 12 hours and 20 minutes.
There are on average 6.5 hours of sunshine per day. So, the sun shines 53% of the time.
The average humidity is 73%. Hence, the air is normally humid.
The average wind speed is 15 kph (9 mph).
The average sea temperature is of 27 °C (81 °F). Therefore, the sea is pleasantly warm and allows long swims.
In May, the weather in Georgetown is usually warm to hot and muggy. The average temperature is of 27.2 °C (81 °F), with a minimum of 23.8 °C (74.8 °F) and a maximum of 30.7 °C (87.3 °F).
On the coldest nights, the temperature usually drops to around 22 °C (71.5 °F). However, it dropped to 19.3 °C (66.7 °F) in May 2014.
On the warmest days, the temperature usually reaches around 31.5 °C (89 °F). However, it reached 35.7 °C (96.3 °F) in May 2005.
Precipitation amounts to 285 mm (11.2 in), distributed over 19 days.
The day lasts on average 12 hours and 25 minutes.
There are on average 6 hours of sunshine per day. So, the sun shines 46% of the time.
The average humidity is 80%. Hence, the air is normally humid.
The average wind speed is 13 kph (8 mph).
The average sea temperature is of 27.5 °C (81.5 °F). Therefore, the sea is pleasantly warm and allows long swims.
In June, the weather in Georgetown is usually warm to hot and muggy. The average temperature is of 27.1 °C (81 °F), with a minimum of 23.6 °C (74.5 °F) and a maximum of 30.6 °C (87.1 °F).
On the coldest nights, the temperature usually drops to around 22 °C (71.5 °F). However, it dropped to 20.2 °C (68.4 °F) in June 2009.
On the warmest days, the temperature usually reaches around 31.5 °C (88.5 °F). However, it reached 33.3 °C (91.9 °F) in June 2005.
Precipitation amounts to 330 mm (13 in), distributed over 23 days.
The day lasts on average 12 hours and 30 minutes.
There are on average 5 hours of sunshine per day. So, the sun shines 42% of the time.
The average humidity is 79%. Hence, the air is normally humid.
The average wind speed is 11 kph (7 mph).
The average sea temperature is of 27.5 °C (81.5 °F). Therefore, the sea is pleasantly warm and allows long swims.
In July, the weather in Georgetown is usually warm to hot and muggy. The average temperature is of 27.2 °C (81 °F), with a minimum of 23.2 °C (73.8 °F) and a maximum of 31.1 °C (88 °F).
On the coldest nights of the month, the temperature usually drops to around 22.5 °C (72.5 °F). However, it dropped to 20.5 °C (68.9 °F) in July 2013.
On the warmest days of the month, the temperature usually reaches around 32.5 °C (90 °F). However, it reached 34.2 °C (93.6 °F) in July 2006.
Precipitation amounts to 270 mm (10.6 in), distributed over 21 days.
The day lasts on average 12 hours and 30 minutes.
There are on average 6.5 hours of sunshine per day. So, the sun shines 52% of the time.
The average humidity is 81%. Hence, the air is normally humid.
The average wind speed is 12 kph (7 mph).
The average sea temperature is of 28 °C (82.5 °F). Therefore, the sea is pleasantly warm and allows long swims.
In August, the weather in Georgetown is usually very hot and muggy. The average temperature is of 27.8 °C (82 °F), with a minimum of 23.8 °C (74.8 °F) and a maximum of 31.7 °C (89.1 °F).
On the coldest nights of the month, the temperature usually drops to around 22 °C (71.5 °F). However, it dropped to 18.3 °C (64.9 °F) in August 2009.
On the warmest days of the month, the temperature usually reaches around 32.5 °C (91 °F). However, it reached 36.7 °C (98.1 °F) in August 2011.
Precipitation amounts to 200 mm (7.9 in), distributed over 15 days.
The day lasts on average 12 hours and 20 minutes.
There are on average 7.5 hours of sunshine per day. So, the sun shines 61% of the time.
The average humidity is 76%. Hence, the air is normally humid.
The average wind speed is 11 kph (7 mph).
The average sea temperature is of 28.5 °C (83.5 °F). Therefore, the sea is pleasantly warm and allows long swims.
In September, the weather in Georgetown is usually very hot and muggy. The average temperature is of 28.1 °C (83 °F), with a minimum of 24 °C (75.2 °F) and a maximum of 32.2 °C (90 °F).
On the coldest nights, the temperature usually drops to around 22.5 °C (73 °F). However, it dropped to 20 °C (68 °F) in September 1997.
On the warmest days, the temperature usually reaches around 33.5 °C (92.5 °F). However, it reached 36.5 °C (97.7 °F) in September 2005.
Precipitation amounts to 100 mm (3.9 in), distributed over 9 days.
The day lasts on average 12 hours and 5 minutes.
There are on average 7.5 hours of sunshine per day. So, the sun shines 63% of the time.
The average humidity is 76%. Hence, the air is normally humid.
The average wind speed is 12 kph (8 mph).
The average sea temperature is of 28.5 °C (83.5 °F). Therefore, the sea is pleasantly warm and allows long swims.
In October, the hottest month of the year, the weather in Georgetown is usually very hot and muggy. The average temperature is of 28.3 °C (83 °F), with a minimum of 24.2 °C (75.6 °F) and a maximum of 32.4 °C (90.3 °F).
On the coldest nights, the temperature usually drops to around 23 °C (73.5 °F). However, it dropped to 19.7 °C (67.5 °F) in October 2015.
On the warmest days, the temperature usually reaches around 33 °C (91.5 °F). However, it reached 35.4 °C (95.7 °F) in October 2015.
Precipitation amounts to 105 mm (4.1 in), distributed over 9 days.
The day lasts on average 12 hours and 0 minutes.
There are on average 7.5 hours of sunshine per day. So, the sun shines 63% of the time.
The average humidity is 71%. Hence, the air is normally humid.
The average wind speed is 13 kph (8 mph).
The average sea temperature is of 28.5 °C (83 °F). Therefore, the sea is pleasantly warm and allows long swims.
In November, the weather in Georgetown is usually warm to hot and muggy. The average temperature is of 27.3 °C (81 °F), with a minimum of 24 °C (75.2 °F) and a maximum of 30.6 °C (87.1 °F).
On the coldest nights, the temperature usually drops to around 22 °C (71.5 °F). However, it dropped to 20 °C (68 °F) in November 2014.
On the warmest days, the temperature usually reaches around 34 °C (93 °F). However, it reached 35.8 °C (96.4 °F) in November 2016.
Precipitation amounts to 185 mm (7.3 in), distributed over 12 days.
The day lasts on average 11 hours and 50 minutes.
There are on average 7 hours of sunshine per day. So, the sun shines 59% of the time.
The average humidity is 79%. Hence, the air is normally humid.
The average wind speed is 14 kph (9 mph).
The average sea temperature is of 28 °C (82.5 °F). Therefore, the sea is pleasantly warm and allows long swims.
In December, the weather in Georgetown is usually warm to hot and muggy. The average temperature is of 27.0 °C (81 °F), with a minimum of 23.5 °C (74.3 °F) and a maximum of 30.4 °C (86.7 °F).
On the coldest nights of the month, the temperature usually drops to around 22.5 °C (72 °F). However, it dropped to 18.6 °C (65.5 °F) in December 2014.
On the warmest days of the month, the temperature usually reaches around 31.5 °C (89 °F). However, it reached 34.5 °C (94.1 °F) in December 2015.
Precipitation amounts to 260 mm (10.2 in), distributed over 18 days.
The day lasts on average 11 hours and 40 minutes.
There are on average 6 hours of sunshine per day. So, the sun shines 52% of the time.
The average humidity is 77%. Hence, the air is normally humid.
The average wind speed is 14 kph (9 mph).
The average sea temperature is of 27.5 °C (81.5 °F). Therefore, the sea is pleasantly warm and allows long swims.
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