Climate in Mtwara (Tanzania)

Mtwara's climate is tropical, with a hot, rainy period from December to April and a relatively cool, dry period from June to September.
The city is located in the extreme southeast of Tanzania, on the coast of the Indian Ocean. About 30 km (18.5 mi) to the south is the Rovuma River, which marks the border with Mozambique.

Mtwara - Climate data

The average temperature of the coldest month (July) is of 24.3 °C (75.8 °F), that of the warmest month (December) is of 27.6 °C (81.6 °F). Here are the average temperatures.
Precipitation amounts to 1145 millimeters (45.1 inches) per year: it is therefore quite abundant. It ranges from 9 mm (0.4 in) in the driest month (August) to 220 mm (8.7 in) in the wettest one (January). Here is the average precipitation.
The sea temperature ranges from 25.5 °C (78 °F) in August, September to 29.5 °C (85 °F) in March. Here are the average sea temperatures.
There are on average around 3075 sunshine hours per year. Here are the average hours of sunshine per day.

Mtwara - Weather by month

Based on the period 1991-2020

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January is generally a warm to hot, muggy month. The average temperature is of 27.3 °C (81 °F), with a minimum of 23.9 °C (74.9 °F) and a maximum of 30.8 °C (87.4 °F).
On the coldest nights of the month, the temperature usually drops to around 20 °C (68 °F).
On the warmest days of the month, the temperature usually reaches around 33 °C (91.5 °F).
Precipitation amounts to 220 mm (8.7 in), distributed over 11 days.
The day lasts on average 12 hours and 35 minutes.
There are on average 7.5 hours of sunshine per day. So, the sun shines 59% of the time.
The average humidity is 82%. Hence, the air is normally humid.
The average wind speed is 20 kph (12 mph).
The average sea temperature is of 28.5 °C (83.5 °F). Therefore, the sea is pleasantly warm and allows long swims.

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February is generally a warm to hot, muggy month. The average temperature is of 27.2 °C (81 °F), with a minimum of 23.6 °C (74.4 °F) and a maximum of 30.8 °C (87.5 °F).
On the coldest nights of the month, the temperature usually drops to around 20 °C (68 °F).
On the warmest days of the month, the temperature usually reaches around 33 °C (91.5 °F).
Precipitation amounts to 170 mm (6.7 in), distributed over 11 days.
The day lasts on average 12 hours and 25 minutes.
There are on average 6.5 hours of sunshine per day. So, the sun shines 54% of the time.
The average humidity is 83%. Hence, the air is normally humid.
The average wind speed is 17 kph (11 mph).
The average sea temperature is of 29 °C (84 °F). Therefore, the sea is pleasantly warm and allows long swims.

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March is generally a warm to hot, muggy month. The average temperature is of 27.2 °C (81 °F), with a minimum of 23.1 °C (73.5 °F) and a maximum of 31.3 °C (88.3 °F).
On the coldest nights, the temperature usually drops to around 20 °C (68.5 °F).
On the warmest days, the temperature usually reaches around 33.5 °C (92 °F).
Precipitation amounts to 215 mm (8.5 in), distributed over 15 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 58% of the time.
The average humidity is 84%. Hence, the air is normally humid.
The average wind speed is 14 kph (8 mph).
The average sea temperature is of 29.5 °C (85 °F). Therefore, the sea is pleasantly warm and allows long swims.

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April is generally a warm to hot, muggy month. The average temperature is of 26.8 °C (80 °F), with a minimum of 22.7 °C (72.9 °F) and a maximum of 30.8 °C (87.5 °F).
On the coldest nights, the temperature usually drops to around 19.5 °C (67.5 °F).
On the warmest days, the temperature usually reaches around 33 °C (91 °F).
Precipitation amounts to 175 mm (6.9 in), distributed over 12 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 63% of the time.
The average humidity is 83%. Hence, the air is normally humid.
The average wind speed is 18 kph (11 mph).
The average sea temperature is of 29 °C (84 °F). Therefore, the sea is pleasantly warm and allows long swims.

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May is generally a warm to hot, muggy month. The average temperature is of 25.9 °C (79 °F), with a minimum of 21.4 °C (70.6 °F) and a maximum of 30.4 °C (86.7 °F).
On the coldest nights, the temperature usually drops to around 18 °C (64.5 °F).
On the warmest days, the temperature usually reaches around 32 °C (89.5 °F).
Precipitation amounts to 60 mm (2.4 in), distributed over 5 days.
The day lasts on average 11 hours and 35 minutes.
There are on average 8.5 hours of sunshine per day. So, the sun shines 73% of the time.
The average humidity is 79%. Hence, the air is normally humid.
The average wind speed is 21 kph (13 mph).
The average sea temperature is of 28 °C (82.5 °F). Therefore, the sea is pleasantly warm and allows long swims.

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June is generally a warm to hot, muggy month. The average temperature is of 24.9 °C (77 °F), with a minimum of 20 °C (67.9 °F) and a maximum of 29.8 °C (85.6 °F).
On the coldest nights, the temperature usually drops to around 17.5 °C (64 °F).
On the warmest days, the temperature usually reaches around 32 °C (89.5 °F).
Precipitation amounts to 15 mm (0.6 in), distributed over 2 days.
The day lasts on average 11 hours and 30 minutes.
There are on average 9 hours of sunshine per day. So, the sun shines 77% of the time.
The average humidity is 75%. Hence, the air is normally humid.
The average wind speed is 22 kph (14 mph).
The average sea temperature is of 27 °C (80.5 °F). Therefore, the sea is pleasantly warm and allows long swims.

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July, the coolest month of the year, is generally a warm to hot, muggy month. The average temperature is of 24.3 °C (76 °F), with a minimum of 19 °C (66.3 °F) and a maximum of 29.6 °C (85.3 °F).
On the coldest nights of the month, the temperature usually drops to around 16 °C (61 °F).
On the warmest days of the month, the temperature usually reaches around 31.5 °C (89 °F).
Precipitation amounts to 14 mm (0.6 in), distributed over 2 days.
The day lasts on average 11 hours and 35 minutes.
There are on average 8.5 hours of sunshine per day. So, the sun shines 74% of the time.
The average humidity is 73%. Hence, the air is normally humid.
The average wind speed is 23 kph (14 mph).
The average sea temperature is of 26 °C (78.5 °F). Therefore, the sea is warm enough for swimming.

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August is generally a warm to hot, muggy month. The average temperature is of 24.4 °C (76 °F), with a minimum of 18.9 °C (66 °F) and a maximum of 29.9 °C (85.8 °F).
On the coldest nights of the month, the temperature usually drops to around 16 °C (60.5 °F).
On the warmest days of the month, the temperature usually reaches around 32 °C (90 °F).
Precipitation amounts to only 9 mm (0.4 in), distributed over 2 days.
The day lasts on average 11 hours and 50 minutes.
There are on average 9 hours of sunshine per day. So, the sun shines 78% of the time.
The average humidity is 75%. Hence, the air is normally humid.
The average wind speed is 19 kph (12 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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September is generally a warm to hot, muggy month. The average temperature is of 24.8 °C (77 °F), with a minimum of 19.2 °C (66.6 °F) and a maximum of 30.4 °C (86.6 °F).
On the coldest nights, the temperature usually drops to around 15.5 °C (59.5 °F).
On the warmest days, the temperature usually reaches around 32.5 °C (91 °F).
Precipitation amounts to 12 mm (0.5 in), distributed over 2 days.
The day lasts on average 12 hours and 5 minutes.
There are on average 9 hours of sunshine per day. So, the sun shines 74% of the time.
The average humidity is 74%. Hence, the air is normally humid.
The average wind speed is 16 kph (10 mph).
The average sea temperature is of 25.5 °C (78 °F). Therefore, the sea is warm enough for swimming.

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October is generally a warm to hot, muggy month. The average temperature is of 25.8 °C (78 °F), with a minimum of 20.6 °C (69.1 °F) and a maximum of 31 °C (87.9 °F).
On the coldest nights, the temperature usually drops to around 18 °C (64.5 °F).
On the warmest days, the temperature usually reaches around 33.5 °C (92.5 °F).
Precipitation amounts to 30 mm (1.2 in), distributed over 3 days.
The day lasts on average 12 hours and 20 minutes.
There are on average 10 hours of sunshine per day. So, the sun shines 79% of the time.
The average humidity is 76%. Hence, the air is normally humid.
The average wind speed is 16 kph (10 mph).
The average sea temperature is of 26.5 °C (79.5 °F). Therefore, the sea is pleasantly warm and allows long swims.

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November is generally a warm to hot, muggy month. The average temperature is of 27.0 °C (81 °F), with a minimum of 22.3 °C (72.1 °F) and a maximum of 31.8 °C (89.2 °F).
On the coldest nights, the temperature usually drops to around 19 °C (66 °F).
On the warmest days, the temperature usually reaches around 33.5 °C (92.5 °F).
Precipitation amounts to 60 mm (2.4 in), distributed over 5 days.
The day lasts on average 12 hours and 35 minutes.
There are on average 10 hours of sunshine per day. So, the sun shines 79% of the time.
The average humidity is 76%. Hence, the air is normally humid.
The average wind speed is 15 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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December is generally a very hot, muggy month. The average temperature is of 27.6 °C (82 °F), with a minimum of 23.6 °C (74.5 °F) and a maximum of 31.5 °C (88.7 °F).
On the coldest nights of the month, the temperature usually drops to around 19.5 °C (67 °F).
On the warmest days of the month, the temperature usually reaches around 33.5 °C (92 °F).
Precipitation amounts to 170 mm (6.7 in), distributed over 9 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 80%. Hence, the air is normally humid.
The average wind speed is 16 kph (10 mph).
The average sea temperature is of 28.5 °C (83.5 °F). Therefore, the sea is pleasantly warm and allows long swims.