, 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.
. Here are the average temperatures.
January is generally a warm to hot, muggy month. The average temperature is of
27.3 °C, with a minimum of
23.9 °C and a maximum of
30.8 °C.

On the coldest nights of the month, the temperature usually drops to around
20 °C.

On the warmest days of the month, the temperature usually reaches around
33 °C.

Precipitation amounts to
220 mm, 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 of
19.8 kph.

The average sea temperature is of
28.7 °C. Therefore, the sea is pleasantly warm and allows long swims.
February is generally a warm to hot, muggy month. The average temperature is of
27.2 °C, with a minimum of
23.6 °C and a maximum of
30.8 °C.

On the coldest nights of the month, the temperature usually drops to around
20 °C.

On the warmest days of the month, the temperature usually reaches around
33 °C.

Precipitation amounts to
170 mm, 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 of
17.2 kph.

The average sea temperature is of
28.9 °C. Therefore, the sea is pleasantly warm and allows long swims.
March is generally a warm to hot, muggy month. The average temperature is of
27.2 °C, with a minimum of
23.1 °C and a maximum of
31.3 °C.

On the coldest nights of the month, the temperature usually drops to around
20 °C.

On the warmest days of the month, the temperature usually reaches around
33.5 °C.

Precipitation amounts to
215 mm, 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 of
13.6 kph.

The average sea temperature is of
29.4 °C. Therefore, the sea is pleasantly warm and allows long swims.
April is generally a warm to hot, muggy month. The average temperature is of
26.8 °C, with a minimum of
22.7 °C and a maximum of
30.8 °C.

On the coldest nights of the month, the temperature usually drops to around
19.5 °C.

On the warmest days of the month, the temperature usually reaches around
33 °C.

Precipitation amounts to
175 mm, 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 of
17.7 kph.

The average sea temperature is of
29 °C. Therefore, the sea is pleasantly warm and allows long swims.
May is generally a warm to hot, muggy month. The average temperature is of
25.9 °C, with a minimum of
21.4 °C and a maximum of
30.4 °C.

On the coldest nights of the month, the temperature usually drops to around
18 °C.

On the warmest days of the month, the temperature usually reaches around
32 °C.

Precipitation amounts to
60 mm, 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 of
21.4 kph.

The average sea temperature is of
28.1 °C. Therefore, the sea is pleasantly warm and allows long swims.
June is generally a warm to hot, muggy month. The average temperature is of
24.9 °C, with a minimum of
20 °C and a maximum of
29.8 °C.

On the coldest nights of the month, the temperature usually drops to around
17.5 °C.

On the warmest days of the month, the temperature usually reaches around
32 °C.

Precipitation amounts to
15 mm, 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 of
22.2 kph.

The average sea temperature is of
26.9 °C. Therefore, the sea is pleasantly warm and allows long swims.
July, the coolest month of the year, is generally a warm to hot, muggy month. The average temperature is of
24.3 °C, with a minimum of
19 °C and a maximum of
29.6 °C.

On the coldest nights of the month, the temperature usually drops to around
16 °C.

On the warmest days of the month, the temperature usually reaches around
31.5 °C.

Precipitation amounts to
14 mm, 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 of
22.5 kph.

The average sea temperature is of
25.8 °C. Therefore, the sea is warm enough for swimming.
August is generally a warm to hot, muggy month. The average temperature is of
24.4 °C, with a minimum of
18.9 °C and a maximum of
29.9 °C.

On the coldest nights of the month, the temperature usually drops to around
16 °C.

On the warmest days of the month, the temperature usually reaches around
32 °C.

Precipitation amounts to only
9 mm, 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 of
19.1 kph.

The average sea temperature is of
25.4 °C. Therefore, the sea is warm enough for swimming.
September is generally a warm to hot, muggy month. The average temperature is of
24.8 °C, with a minimum of
19.2 °C and a maximum of
30.4 °C.

On the coldest nights of the month, the temperature usually drops to around
15.5 °C.

On the warmest days of the month, the temperature usually reaches around
32.5 °C.

Precipitation amounts to
12 mm, 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 of
16.4 kph.

The average sea temperature is of
25.6 °C. Therefore, the sea is warm enough for swimming.
October is generally a warm to hot, muggy month. The average temperature is of
25.8 °C, with a minimum of
20.6 °C and a maximum of
31 °C.

On the coldest nights of the month, the temperature usually drops to around
18 °C.

On the warmest days of the month, the temperature usually reaches around
33.5 °C.

Precipitation amounts to
30 mm, 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 of
15.7 kph.

The average sea temperature is of
26.4 °C. Therefore, the sea is pleasantly warm and allows long swims.
November is generally a warm to hot, muggy month. The average temperature is of
27 °C, with a minimum of
22.3 °C and a maximum of
31.8 °C.

On the coldest nights of the month, the temperature usually drops to around
19 °C.

On the warmest days of the month, the temperature usually reaches around
33.5 °C.

Precipitation amounts to
60 mm, 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 of
15.1 kph.

The average sea temperature is of
27.6 °C. Therefore, the sea is pleasantly warm and allows long swims.
December is generally a very hot, muggy month. The average temperature is of
27.6 °C, with a minimum of
23.6 °C and a maximum of
31.5 °C.

On the coldest nights of the month, the temperature usually drops to around
19.5 °C.

On the warmest days of the month, the temperature usually reaches around
33.5 °C.

Precipitation amounts to
170 mm, 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 of
16.1 kph.

The average sea temperature is of
28.6 °C. Therefore, the sea is pleasantly warm and allows long swims.