The climate of Mombasa is tropical, with a cooler season from June to September and a hot, muggy season from November to April.
The city is located in southern Kenya, on the coast of the Indian Ocean, not far from the border with Tanzania.
, it is not particularly abundant, in fact, it amounts to about 1,000 millimeters (40 inches) per year, however, there are two rainy seasons due to the two annual zenith passages of the sun (that is, when it shines directly overhead in the sky at mid-day), as often happens at the Equator. The presence of the sea, however, complicates a bit the situation. The rains are abundant in April and May, in the so-called "
", and reach a peak in May, of about 235 mm (9.3 in). During some years, the rains can be torrential, and can cause flooding and power outages.
From June to September, there would be a dry season, but the south-east trade winds which prevail in this period are able to generate some thunderstorms, since the winds come from the sea, from which they collect heat and humidity, especially in the first part, that is, in June and July, when the sea is warmer.
From January to March, there is another dry season, when showers are rare, especially in January and February, which are the driest months of the year.
", which is more evident in other areas of Kenya, and it's not evident here, although there is some variability between the years, so during some years, the rains are plentiful, as happened in October 2006, when there have been floods.
. Here are the average temperatures.
January is generally a very hot, muggy month. The average temperature is of
27.8 °C, with a minimum of
23.3 °C and a maximum of
32.4 °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
34.5 °C.
Precipitation amounts to
35 mm, distributed over 3 days.
The day lasts on average 12 hours and 20 minutes.
There are on average 8.5 hours of sunshine per day. So, the sun shines 71% of the time.
The average humidity is 75%. 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.
February is generally a very hot, muggy month. The average temperature is of
28.2 °C, with a minimum of
23.6 °C and a maximum of
32.8 °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 °C.
Precipitation amounts to
14 mm, and all occurs in one day.
The day lasts on average 12 hours and 10 minutes.
There are on average 9 hours of sunshine per day. So, the sun shines 75% of the time.
The average humidity is 74%. Hence, the air is normally humid.
The average wind speed is of
12.1 kph.
The average sea temperature is of
28.3 °C. Therefore, the sea is pleasantly warm and allows long swims.
March, the hottest month of the year, is generally a very hot, muggy month. The average temperature is of
28.6 °C, with a minimum of
24.3 °C and a maximum of
32.9 °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
55 mm, distributed over 5 days.
The day lasts on average 12 hours and 5 minutes.
There are on average 8.5 hours of sunshine per day. So, the sun shines 72% of the time.
The average humidity is 75%. Hence, the air is normally humid.
The average wind speed is of
10.7 kph.
The average sea temperature is of
29.2 °C. Therefore, the sea is pleasantly warm and allows long swims.
April is generally a very hot, muggy month. The average temperature is of
27.8 °C, with a minimum of
24.1 °C and a maximum of
31.6 °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
34 °C.
Precipitation amounts to
155 mm, distributed over 10 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 62% of the time.
The average humidity is 79%. Hence, the air is normally humid.
The average wind speed is of
12.5 kph.
The average sea temperature is of
29.3 °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
26.1 °C, with a minimum of
22.6 °C and a maximum of
29.7 °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
32.5 °C.
Precipitation amounts to
235 mm, distributed over 14 days.
The day lasts on average 11 hours and 55 minutes.
There are on average 6.5 hours of sunshine per day. So, the sun shines 55% of the time.
The average humidity is 83%. Hence, the air is normally humid.
The average wind speed is of
13.9 kph.
The average sea temperature is of
28.2 °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
25.1 °C, with a minimum of
21.4 °C and a maximum of
28.8 °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
30.5 °C.
Precipitation amounts to
90 mm, distributed over 10 days.
The day lasts on average 11 hours and 55 minutes.
There are on average 7 hours of sunshine per day. So, the sun shines 58% of the time.
The average humidity is 80%. Hence, the air is normally humid.
The average wind speed is of
13.8 kph.
The average sea temperature is of
26.9 °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
24.2 °C, with a minimum of
20.4 °C and a maximum of
28.1 °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
30 °C.
Precipitation amounts to
70 mm, distributed over 10 days.
The day lasts on average 11 hours and 55 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 of
13.4 kph.
The average sea temperature is of
25.8 °C. Therefore, the sea is warm enough for swimming.
August, the coolest month of the year, is generally a warm to hot, muggy month. The average temperature is of
24.2 °C, with a minimum of
20.3 °C and a maximum of
28.1 °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
29.5 °C.
Precipitation amounts to
70 mm, distributed over 8 days.
The day lasts on average 12 hours and 0 minutes.
There are on average 8 hours of sunshine per day. So, the sun shines 66% of the time.
The average humidity is 80%. Hence, the air is normally humid.
The average wind speed is of
12.4 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
24.9 °C, with a minimum of
21 °C and a maximum of
28.8 °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
30.5 °C.
Precipitation amounts to
65 mm, distributed over 9 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 68% of the time.
The average humidity is 79%. Hence, the air is normally humid.
The average wind speed is of
12.3 kph.
The average sea temperature is of
25.7 °C. Therefore, the sea is warm enough for swimming.
October is generally a warm to hot, muggy month. The average temperature is of
25.9 °C, with a minimum of
22.1 °C and a maximum of
29.7 °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
31.5 °C.
Precipitation amounts to
105 mm, distributed over 9 days.
The day lasts on average 12 hours and 10 minutes.
There are on average 9 hours of sunshine per day. So, the sun shines 72% of the time.
The average humidity is 79%. Hence, the air is normally humid.
The average wind speed is of
11.6 kph.
The average sea temperature is of
26.6 °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
26.9 °C, with a minimum of
23 °C and a maximum of
30.7 °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
105 mm, distributed over 8 days.
The day lasts on average 12 hours and 20 minutes.
There are on average 9 hours of sunshine per day. So, the sun shines 71% of the time.
The average humidity is 81%. Hence, the air is normally humid.
The average wind speed is of
9.1 kph.
The average sea temperature is of
27.8 °C. Therefore, the sea is pleasantly warm and allows long swims.
December is generally a very hot, muggy month. The average temperature is of
27.7 °C, with a minimum of
23.4 °C and a maximum of
31.9 °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
34 °C.
Precipitation amounts to
75 mm, distributed over 7 days.
The day lasts on average 12 hours and 25 minutes.
There are on average 8.5 hours of sunshine per day. So, the sun shines 68% of the time.
The average humidity is 79%. Hence, the air is normally humid.
The average wind speed is of
10.1 kph.
The average sea temperature is of
28.5 °C. Therefore, the sea is pleasantly warm and allows long swims.