Climate - Mérida (Yucatán)
Average weather, temperature, rainfall, sunshine hours
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Climate chart - Mérida (Yucatán)
In Mérida, the largest city of Yucatán, located on the 20th parallel, there is a tropical climate, hot all year round. There is a rainy and muggy season from June to October, a relatively cool season from November to February, and a hot season before the rains, from March to May, when the highest temperatures of the year are reached, with peaks of more than 40 °C (104 °F).
In winter, there can be some days a little cool, with highs around 22 °C (72 °F), and windy. Sometimes at night, it can get a little cold, in fact the minimum temperature can drop to 7/10 °C (45/50 °F).
From June to November (but with a higher probability from August to October), there is the risk of hurricanes.
The average temperature of the coldest month (January) is of 24 °C (75 °F), that of the warmest month (May) is of 30.3 °C (86.5 °F). Here are the average temperatures.
Mérida - Average temperatures (1991-2020) | Month | Min (°C) | Max (°C) | Mean (°C) | Min (°F) | Max (°F) | Mean (°F) |
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| January | 17.5 | 30.8 | 24.1 | 63 | 87 | 75.4 |
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| February | 18.3 | 32.6 | 25.5 | 65 | 91 | 77.8 |
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| March | 19.6 | 34.7 | 27.2 | 67 | 94 | 80.9 |
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| April | 21.7 | 37 | 29.3 | 71 | 99 | 84.8 |
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| May | 23.1 | 37.4 | 30.3 | 74 | 99 | 86.5 |
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| June | 23.5 | 35.8 | 29.7 | 74 | 96 | 85.4 |
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| July | 23.1 | 35.4 | 29.3 | 74 | 96 | 84.7 |
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| August | 23.2 | 35.3 | 29.3 | 74 | 96 | 84.7 |
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| September | 23.1 | 34.6 | 28.9 | 74 | 94 | 84 |
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| October | 21.9 | 33 | 27.5 | 71 | 91 | 81.4 |
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| November | 19.5 | 31.5 | 25.5 | 67 | 89 | 77.9 |
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| December | 18.2 | 30.8 | 24.5 | 65 | 87 | 76.1 |
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| Year | 21.1 | 34.1 | 27.5 | 69.9 | 93.3 | 81.5 |
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Precipitation amounts to 1,035 millimeters (40.7 inches) per year: so, it is at an intermediate level. It ranges from 25 mm (1 in) in the driest months (March, April) to 185 mm (7.3 in) in the wettest (September). Here is the average precipitation.
Mérida - Average precipitation| Month | Millimeters | Inches | Days |
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| January | 40 | 1.6 | 4 |
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| February | 30 | 1.2 | 3 |
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| March | 25 | 1 | 2 |
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| April | 25 | 1 | 2 |
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| May | 70 | 2.8 | 5 |
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| June | 140 | 5.5 | 11 |
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| July | 160 | 6.3 | 13 |
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| August | 140 | 5.5 | 13 |
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| September | 185 | 7.3 | 14 |
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| October | 130 | 5.1 | 10 |
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| November | 55 | 2.2 | 5 |
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| December | 45 | 1.8 | 4 |
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| Year | 1035 | 40.7 | 87 |
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On average, there are around 2,750 sunshine hours per year. The amount of sunshine is good all year round, but especially from March to May, the period preceding the summer rains. Here are the average sunshine hours per day.
Mérida - Sunshine hours| Month | Average | Total |
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January | 6.5 | 210 | February | 7.5 | 210 | March | 8 | 240 | April | 8.5 | 255 | May | 9 | 275 | June | 7.5 | 230 | July | 8 | 245 | August | 8 | 250 | September | 7 | 210 | October | 7 | 220 | November | 7 | 210 | December | 6.5 | 200 | Year | 7.5 | 2750 |
The sea temperature ranges between 24 °C (75 °F) and 29 °C (84 °F). It is therefore high enough for swimming all year round. Here are the average sea temperatures.
Mérida - Sea temperature| Month | Celsius (°C) | Fahrenheit (°F) |
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January | 24.5 | 76 | February | 24 | 75 | March | 24.5 | 76 | April | 26 | 78 | May | 27 | 81 | June | 28 | 83 | July | 28.5 | 83 | August | 29 | 84 | September | 29 | 84 | October | 28.5 | 83 | November | 27 | 80 | December | 25.5 | 78 | Year | 26.8 | 80.2 |
Best Time
The best time to visit Mérida is from December to February, since it is a quite dry and not too hot period.
Mérida - Weather by month
Based on the period 1991-2020
January, the coolest month of the year, is generally a warm to hot, muggy month. However, there are remarkable differences between night and day. The average temperature is of 24.1 °C (75 °F), with a minimum of 17.5 °C (63.5 °F) and a maximum of 30.8 °C (87.4 °F).
On the coldest nights of the month, the temperature usually drops to around 10 °C (50 °F).
On the warmest days of the month, the temperature usually reaches around 35 °C (94.5 °F).
Precipitation amounts to 40 mm (1.6 in), distributed over 4 days.
The day lasts on average 11 hours and 0 minutes.
There are on average 6.5 hours of sunshine per day. So, the sun shines 61% of the time.
The average humidity is 72%. Hence, the air is normally humid.
The average wind speed is 12 kph (8 mph).
The average sea temperature is of 24.5 °C (75.5 °F). Therefore, the sea is warm enough for swimming.
February is generally a warm to hot month. However, there are remarkable differences between night and day. The average temperature is of 25.5 °C (78 °F), with a minimum of 18.3 °C (65 °F) and a maximum of 32.6 °C (90.7 °F).
On the coldest nights of the month, the temperature usually drops to around 11.5 °C (52.5 °F).
On the warmest days of the month, the temperature usually reaches around 36.5 °C (98 °F).
Precipitation amounts to 30 mm (1.2 in), distributed over 3 days.
The day lasts on average 11 hours and 30 minutes.
There are on average 7.5 hours of sunshine per day. So, the sun shines 64% of the time.
The average humidity is 67%.
The average wind speed is 14 kph (9 mph).
The average sea temperature is of 24 °C (75.5 °F). Therefore, the sea is warm enough for swimming.
March is generally a warm to hot month. However, there are remarkable differences between night and day. The average temperature is of 27.2 °C (81 °F), with a minimum of 19.6 °C (67.3 °F) and a maximum of 34.7 °C (94.5 °F).
On the coldest nights, which normally occur at the beginning of the month, the temperature usually drops to around 13 °C (55 °F).
On the warmest days, which normally occur at the end of the month, the temperature usually reaches around 39 °C (102.5 °F).
Precipitation amounts to 25 mm (1 in), distributed over 2 days.
The day lasts on average 12 hours and 5 minutes.
There are on average 8 hours of sunshine per day. So, the sun shines 65% of the time.
The average humidity is 61%.
The average wind speed is 17 kph (10 mph).
The average sea temperature is of 24.5 °C (76.5 °F). Therefore, the sea is warm enough for swimming.
April is generally a very hot month. However, there are remarkable differences between night and day. The average temperature is of 29.3 °C (85 °F), with a minimum of 21.7 °C (71 °F) and a maximum of 37 °C (98.5 °F).
On the coldest nights, which normally occur at the beginning of the month, the temperature usually drops to around 15.5 °C (60 °F).
On the warmest days, which normally occur at the end of the month, the temperature usually reaches around 41 °C (105.5 °F).
Precipitation amounts to 25 mm (1 in), distributed over 2 days.
The day lasts on average 12 hours and 40 minutes.
There are on average 8.5 hours of sunshine per day. So, the sun shines 67% of the time.
The average humidity is 60%.
The average wind speed is 17 kph (11 mph).
The average sea temperature is of 26 °C (78.5 °F). Therefore, the sea is warm enough for swimming.
May, the hottest month of the year, is generally a very hot month. However, there are remarkable differences between night and day. The average temperature is of 30.3 °C (87 °F), with a minimum of 23.1 °C (73.7 °F) and a maximum of 37.4 °C (99.4 °F).
On the coldest nights, which normally occur at the beginning of the month, the temperature usually drops to around 19.5 °C (67 °F).
On the warmest days, which normally occur at the end of the month, the temperature usually reaches around 40.5 °C (105 °F).
Precipitation amounts to 70 mm (2.8 in), distributed over 5 days.
The day lasts on average 13 hours and 10 minutes.
There are on average 9 hours of sunshine per day. So, the sun shines 67% of the time.
The average humidity is 63%.
The average wind speed is 16 kph (10 mph).
The average sea temperature is of 27 °C (81 °F). Therefore, the sea is pleasantly warm and allows long swims.
June is generally a very hot, muggy month. The average temperature is of 29.7 °C (85 °F), with a minimum of 23.5 °C (74.4 °F) and a maximum of 35.8 °C (96.4 °F).
On the coldest nights, the temperature usually drops to around 21 °C (69.5 °F).
On the warmest days, the temperature usually reaches around 39 °C (102 °F).
Precipitation amounts to 140 mm (5.5 in), distributed over 11 days.
The day lasts on average 13 hours and 25 minutes. June 21, the summer solstice, is the longest day of the year in the Northern Hemisphere.
There are on average 7.5 hours of sunshine per day. So, the sun shines 57% of the time.
The average humidity is 74%. 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.
July is generally a very hot, muggy month. The average temperature is of 29.3 °C (85 °F), with a minimum of 23.1 °C (73.6 °F) and a maximum of 35.4 °C (95.8 °F).
On the coldest nights of the month, the temperature usually drops to around 21 °C (70 °F).
On the warmest days of the month, the temperature usually reaches around 37.5 °C (99.5 °F).
Precipitation amounts to 160 mm (6.3 in), distributed over 13 days.
The day lasts on average 13 hours and 20 minutes.
There are on average 8 hours of sunshine per day. So, the sun shines 60% 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 °F). Therefore, the sea is pleasantly warm and allows long swims.
August is generally a very hot, muggy month. The average temperature is of 29.3 °C (85 °F), with a minimum of 23.2 °C (73.7 °F) and a maximum of 35.3 °C (95.6 °F).
On the coldest nights of the month, the temperature usually drops to around 21 °C (70 °F).
On the warmest days of the month, the temperature usually reaches around 37.5 °C (99.5 °F).
Precipitation amounts to 140 mm (5.5 in), distributed over 13 days.
The day lasts on average 12 hours and 50 minutes.
There are on average 8 hours of sunshine per day. So, the sun shines 62% of the time.
The average humidity is 77%. Hence, the air is normally humid.
The average wind speed is 11 kph (7 mph).
The average sea temperature is of 29 °C (84 °F). Therefore, the sea is pleasantly warm and allows long swims.
September is generally a very hot, muggy month. The average temperature is of 28.9 °C (84 °F), with a minimum of 23.1 °C (73.6 °F) and a maximum of 34.6 °C (94.3 °F).
On the coldest nights, the temperature usually drops to around 21 °C (69.5 °F).
On the warmest days, the temperature usually reaches around 37 °C (98.5 °F).
Precipitation amounts to 185 mm (7.3 in), distributed over 14 days.
The day lasts on average 12 hours and 10 minutes.
There are on average 7 hours of sunshine per day. So, the sun shines 57% of the time.
The average humidity is 80%. Hence, the air is normally humid.
The average wind speed is 10 kph (6 mph).
The average sea temperature is of 29 °C (84 °F). Therefore, the sea is pleasantly warm and allows long swims.
October is generally a warm to hot, muggy month. The average temperature is of 27.5 °C (81 °F), with a minimum of 21.9 °C (71.5 °F) and a maximum of 33 °C (91.4 °F).
On the coldest nights, which normally occur at the end of the month, the temperature usually drops to around 17 °C (63 °F).
On the warmest days, which normally occur at the beginning of the month, the temperature usually reaches around 35.5 °C (96 °F).
Precipitation amounts to 130 mm (5.1 in), distributed over 10 days.
The day lasts on average 11 hours and 35 minutes.
There are on average 7 hours of sunshine per day. So, the sun shines 61% of the time.
The average humidity is 79%. Hence, the air is normally humid.
The average wind speed is 10 kph (7 mph).
The average sea temperature is of 28.5 °C (83 °F). Therefore, the sea is pleasantly warm and allows long swims.
November is generally a warm to hot, muggy month. The average temperature is of 25.5 °C (78 °F), with a minimum of 19.5 °C (67 °F) and a maximum of 31.5 °C (88.7 °F).
On the coldest nights, which normally occur at the end of the month, the temperature usually drops to around 13.5 °C (56.5 °F).
On the warmest days, which normally occur at the beginning of the month, the temperature usually reaches around 34.5 °C (94.5 °F).
Precipitation amounts to 55 mm (2.2 in), distributed over 5 days.
The day lasts on average 11 hours and 5 minutes.
There are on average 7 hours of sunshine per day. So, the sun shines 64% 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 27 °C (80 °F). Therefore, the sea is pleasantly warm and allows long swims.
December is generally a warm to hot, muggy month. The average temperature is of 24.5 °C (76 °F), with a minimum of 18.2 °C (64.8 °F) and a maximum of 30.8 °C (87.5 °F).
On the coldest nights of the month, the temperature usually drops to around 12 °C (53.5 °F).
On the warmest days of the month, the temperature usually reaches around 34.5 °C (94 °F).
Precipitation amounts to 45 mm (1.8 in), distributed over 4 days.
The day lasts on average 10 hours and 55 minutes. December 21, the winter solstice, is the shortest day of the year in the Northern Hemisphere.
There are on average 6.5 hours of sunshine per day. So, the sun shines 60% of the time.
The average humidity is 75%. Hence, the air is normally humid.
The average wind speed is 12 kph (7 mph).
The average sea temperature is of 25.5 °C (77.5 °F). Therefore, the sea is warm enough for swimming.
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