January weather forecast
Mombasa, Kenya

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Buildings along the shores of the Indian Ocean in Mombasa, Kenya
Buildings along the shores of the Indian Ocean in Mombasa, Kenya

Weather in January

January in Mombasa, Kenya signals the start of the year with bright and clear days. An average rainfall for this month is recorded at 25mm (0.98"), amongst the lowest in the year, mostly falling over 11.5 days. Mombasa's beaches become an enticing prospect with warm sea temperatures. Respite from the occasionally stifling heat can be found in the gentle breezes passing through the city. Comparatively, January experiences marginally less humidity than February, while preserving similar values in other weather parameters.

Temperature

January's arrival shows an average high-temperature of a still hot 31.2°C (88.2°F), hardly different from the previous month. Mombasa experiences an average nighttime temperature of 24.3°C (75.7°F) in the month of January.

Heat index

For most parts of January, the heat index is estimated at a scorching 40°C (104°F). Ensure extra safety measures, heat exhaustion and heat cramps are likely. Continuous activity might result in heatstroke.
One should consider that heat index numbers are for shaded settings and light wind. Direct sunlight might lead to a heat index increase by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', gives an indication of how one might feel in terms of heat after considering humidity. One's weather perception can be influenced by a range of factors including metabolic differences, being pregnant, and their level of physical activity. When directly under the sun, the weather's impact can intensify, possibly boosting the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Typically, children face more danger than adults as they usually perspire less. Their larger skin surface relative to their small bodies and increased heat output from their activities enhance their risk.
The primary way humans combat excessive warmth is by perspiring, letting sweat evaporate and cool the body. Excessive relative humidity disturbs the body's typical cooling process by reducing evaporation, leading to a decrease in body cooling rate and an increase in the sensation of warmth. Elevated heat gain compared to the body's release capability poses risks of dehydration and potential overheating.

Humidity

January, May, September through December, with an average relative humidity of 77%, are the most humid months.

Rainfall

In Mombasa, during January, the rain falls for 11.5 days and regularly aggregates up to 25mm (0.98") of precipitation. In Mombasa, during the entire year, the rain falls for 167.2 days and collects up to 312mm (12.28") of precipitation.

Sea temperature

In Mombasa, in January, the average water temperature is 28.3°C (82.9°F).
Note: Water activities including swimming and diving are pleasurable in temperatures between 25°C (77°F) and 29°C (84.2°F), ensuring comfort and enjoyment for extended time frames.

Daylight

In Mombasa, the average length of the day in January is 12h and 20min.
On the first day of the month, sunrise is at 06:13 and sunset at 18:35. On the last day of January, in Mombasa, Kenya, sunrise is at 06:25 and sunset at 18:43 EAT.

Sunshine

The average sunshine in January is 8.5h.

UV index

January through June, September through December, with an average maximum UV index of 7, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for average individuals.
Note: The maximum UV index, 7 during January, leads to the following recommendations:
Adhere to precautions and respect sun safety doctrines. Avoiding sunburn is vital. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is particularly strong, noting that parasols or canopies may not offer total sun protection. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Note! Reflective surfaces like sand and water heighten the UV radiation levels.

Frequently asked questions

How hot is it in Mombasa in January?

The average high-temperature, in January, in Mombasa, is 31.2°C (88.2°F), while the average low-temperature is 24.3°C (75.7°F). In January, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, is estimated at 40°C (104°F).

What is the most humid month in Mombasa?

January, May, September through December, with an average relative humidity of 77%, are most humid months in Mombasa, Kenya.

What is the average humidity in January in Mombasa?

In Mombasa, Kenya, the average relative humidity in January is 77%.

How much does it rain in Mombasa in January?

In Mombasa, in January, it is raining for 11.5 days, with typically 25mm (0.98") of accumulated precipitation.

What is the water temperature in January in Mombasa?

In January, the average sea temperature in Mombasa, Kenya, is 28.3°C (82.9°F). For any water activity, surface water temperatures between 25°C (77°F) and 29°C (84.2°F) are considered as excellent and extremely pleasant for lengthened periods.

What is the average length of the day in January in Mombasa?

The average day length in January is 12h and 20min.

When is the sunrise / sunset in January in Mombasa?

In January, on the first day of the month, sunrise is at 06:13 and sunset at 18:35. On the last day of the month, in Mombasa, sunrise is at 06:25 and sunset at 18:43 EAT.

How long on average sun shines in January in Mombasa?

In Mombasa, Kenya, the average sunshine duration in January is 8.5h.

What are the months with the highest UV index in Mombasa?

The months with the highest UV index in Mombasa are January through June, September through December, with an average maximum UV index of 7.

What is the UV index reading in January in Mombasa?

In January, the average daily maximum UV index in Mombasa, Kenya, is 7. A UV Index estimate of 6 to 7 represents a high health threat from unprotected exposure to UV radiation.

Average temperature in January
Mombasa, Kenya

Average temperature in January - Mombasa, Kenya
  • Average high temperature in January: 31.2°C

The warmest month (with the highest average high temperature) is March (31.6°C).
The month with the lowest average high temperature is July (27.3°C).

  • Average low temperature in January: 24.3°C

The months with the highest average low temperature are March and April (25.3°C).
The coldest month (with the lowest average low temperature) is August (22°C).

Average pressure in January
Mombasa, Kenya

Average pressure in January - Mombasa, Kenya
  • Average pressure in January: 1010.8mbar

The month with the highest atmospheric pressure is July (1016.1mbar).
The month with the lowest atmospheric pressure is February (1010.5mbar).

Average wind speed in January
Mombasa, Kenya

Average wind speed in January - Mombasa, Kenya
  • Average wind speed in January: 15.3km/h

The windiest month (with the highest average wind speed) is July (23.2km/h).
The calmest month (with the lowest average wind speed) is March (11.9km/h).

Average humidity in January
Mombasa, Kenya

Average humidity in January - Mombasa, Kenya
  • Average humidity in January: 77%

The months with the highest relative humidity are January, May, September, October, November and December (77%).
The month with the lowest relative humidity is July (74%).

Average rainfall in January
Mombasa, Kenya

Average rainfall in January - Mombasa, Kenya
  • Average rainfall in January: 25mm

The wettest month (with the highest rainfall) is May (48mm).
The driest month (with the least rainfall) is June (10mm).

Average rainfall days in January
Mombasa, Kenya

Average rainfall days in January - Mombasa, Kenya
  • Average rainfall days in January: 11.5 days

The month with the highest number of rainy days is December (21.2 days).
The month with the least rainy days is February (8.8 days).

Average sea temperature in January
Mombasa, Kenya

Average sea temperature in January - Mombasa, Kenya
  • Average sea temperature in January: 28.3°C

The best month for swimming (with the highest average sea temperature) is April (29.3°C).
The coldest month (with the lowest average sea temperature) is August (25.4°C).

Average daylight in January /
Average sunshine in January
Mombasa, Kenya

Average daylight in January / Average sunshine in January - Mombasa, Kenya
  • Average daylight in January: 12h and 2min

The month with the longest days is December (Average daylight: 12h and 24min).
The month with the shortest days is June (Average daylight: 11h and 54min).

  • Average sunshine in January: 8h and 3min

The month with the most sunshine is November (Average sunshine: 10h and 30min).
The month with the least sunshine is May (Average sunshine: 7h and 54min).

Average sunshine days in January
Mombasa, Kenya

Average sunshine days in January - Mombasa, Kenya
  • Average sunshine days in January: 15.2 days

The month with the most sunshine days is February (15.3 days).
The month with the least sunshine days is December (7 days).

Average UV index in January
Mombasa, Kenya

Average UV index in January - Mombasa, Kenya
  • Average UV index in January: 7

The months with the highest UV index are January, February, March, April, May, June, September, October, November and December (UV index 7).
The months with the lowest UV index are July and August (UV index 6).

Average cloud cover in January
Mombasa, Kenya

Average cloud cover in January - Mombasa, Kenya
  • Average cloud cover in January: 33

The month with the most cloud cover is October (Cloud cover 45).
The month with the least cloud cover is December (Cloud cover 30).

Average visibility in January
Mombasa, Kenya

Average visibility in January - Mombasa, Kenya
  • Average visibility in January: 10km

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).

Mombasa, Kenya

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