The climate of Lamu is tropical, with a cooler season from June to September and a hot, muggy season from November to April. As for the rains, there is a rainy season from April to mid-July, while in the rest of the year the rains are not abundant. January and February are the driest months.
The city is located in Kenya, on an island belonging to the Lamu archipelago, and a short distance from the coast.
. Here are the average temperatures.
January is generally a very hot, muggy month. The average temperature is of
28 °C, with a minimum of
24.1 °C and a maximum of
31.9 °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 only
6 mm, and all occurs in one day.
The day lasts on average 12 hours and 10 minutes.
The average humidity is 72%. Hence, the air is normally humid.
The average wind speed is of
14.1 kph.

The average sea temperature is of
27.3 °C. Therefore, the sea is pleasantly warm and allows long swims.
February is generally a very hot, muggy month. The average temperature is of
28.1 °C, with a minimum of
23.8 °C and a maximum of
32.3 °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
34.5 °C.

Precipitation amounts to only
4 mm, and all occurs in one day.
The day lasts on average 12 hours and 10 minutes.
The average humidity is 72%. Hence, the air is normally humid.
The average wind speed is of
13.2 kph.

The average sea temperature is of
27.3 °C. Therefore, the sea is pleasantly warm and allows long swims.
March is generally a very hot month. The average temperature is of
29.1 °C, with a minimum of
24.6 °C and a maximum of
33.5 °C.

On the coldest nights of the month, the temperature usually drops to around
20.5 °C.

On the warmest days of the month, the temperature usually reaches around
35.5 °C.

Precipitation amounts to
25 mm, distributed over 3 days.
The day lasts on average 12 hours and 5 minutes.
The average humidity is 70%.
The average wind speed is of
12.1 kph.

The average sea temperature is of
28.4 °C. Therefore, the sea is pleasantly warm and allows long swims.
April, the hottest month of the year, is generally a very hot, muggy month. The average temperature is of
29.4 °C, with a minimum of
25.6 °C and a maximum of
33.1 °C.

On the coldest nights of the month, the temperature usually drops to around
21 °C.

On the warmest days of the month, the temperature usually reaches around
35 °C.

Precipitation amounts to
130 mm, distributed over 10 days.
The day lasts on average 12 hours and 5 minutes.
The average humidity is 73%. Hence, the air is normally humid.
The average wind speed is of
11.9 kph.

The average sea temperature is of
29.2 °C. Therefore, the sea is pleasantly warm and allows long swims.
May is generally a very hot, muggy month. The average temperature is of
27.7 °C, with a minimum of
24.8 °C and a maximum of
30.6 °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
330 mm, distributed over 15 days.
The day lasts on average 12 hours and 0 minutes.
The average humidity is 79%. Hence, the air is normally humid.
The average wind speed is of
12.9 kph.

The average sea temperature is of
28.3 °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
26.8 °C, with a minimum of
24 °C and a maximum of
29.7 °C.

On the coldest nights of the month, the temperature usually drops to around
18.5 °C.

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

Precipitation amounts to
165 mm, distributed over 15 days.
The day lasts on average 12 hours and 0 minutes.
The average humidity is 75%. Hence, the air is normally humid.
The average wind speed is of
15.3 kph.

The average sea temperature is of
27 °C. Therefore, the sea is pleasantly warm and allows long swims.
July is generally a warm to hot, muggy month. The average temperature is of
26.3 °C, with a minimum of
23.6 °C and a maximum of
28.9 °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
30.5 °C.

Precipitation amounts to
75 mm, distributed over 11 days.
The day lasts on average 12 hours and 0 minutes.
The average humidity is 75%. Hence, the air is normally humid.
The average wind speed is of
14.3 kph.

The average sea temperature is of
25.9 °C. Therefore, the sea is warm enough for swimming.
August, the least warm month of the year, is generally a warm to hot, muggy month. The average temperature is of
26.2 °C, with a minimum of
23.4 °C and a maximum of
29 °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
30.5 °C.

Precipitation amounts to
40 mm, distributed over 8 days.
The day lasts on average 12 hours and 0 minutes.
The average humidity is 74%. Hence, the air is normally humid.
The average wind speed is of
14.9 kph.

The average sea temperature is of
25.5 °C. Therefore, the sea is warm enough for swimming.
September is generally a warm to hot, muggy month. The average temperature is of
26.6 °C, with a minimum of
23.2 °C and a maximum of
30 °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
40 mm, distributed over 7 days.
The day lasts on average 12 hours and 5 minutes.
The average humidity is 73%. Hence, the air is normally humid.
The average wind speed is of
14.2 kph.

The average sea temperature is of
25.7 °C. Therefore, the sea is warm enough for swimming.
October is generally a very hot, muggy month. The average temperature is of
27.6 °C, with a minimum of
24.2 °C and a maximum of
30.9 °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
40 mm, distributed over 5 days.
The day lasts on average 12 hours and 10 minutes.
The average humidity is 74%. Hence, the air is normally humid.
The average wind speed is of
10.9 kph.

The average sea temperature is of
26.6 °C. Therefore, the sea is pleasantly warm and allows long swims.
November is generally a very hot, muggy month. The average temperature is of
27.9 °C, with a minimum of
23.6 °C and a maximum of
32.1 °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
34 °C.

Precipitation amounts to
40 mm, distributed over 6 days.
The day lasts on average 12 hours and 10 minutes.
The average humidity is 75%. Hence, the air is normally humid.
The average wind speed is of
9.4 kph.

The average sea temperature is of
27.7 °C. Therefore, the sea is pleasantly warm and allows long swims.
December is generally a very hot, muggy month. The average temperature is of
27.9 °C, with a minimum of
23.7 °C and a maximum of
32.1 °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
34 °C.

Precipitation amounts to
30 mm, distributed over 3 days.
The day lasts on average 12 hours and 20 minutes.
The average humidity is 74%. Hence, the air is normally humid.
The average wind speed is of
11.1 kph.

The average sea temperature is of
28 °C. Therefore, the sea is pleasantly warm and allows long swims.