January weather forecastRuiru, Kenya

January

Weather in January

January, the same as December, is another warm summer month in Ruiru, Kenya, with an average temperature fluctuating between 12.8°C (55°F) and 26.2°C (79.2°F).

Temperature

With the onset of January, the average high-temperature registers at a still warm 26.2°C (79.2°F), subtly different from December's 24.5°C (76.1°F). Ruiru in January observes a sharp transition from the daytime heat, falling to an average low of 12.8°C (55°F).

Humidity

The average relative humidity in January in Ruiru is 69%.

Rainfall

The month with the least rainfall in Ruiru is January, when the rain falls for 8.5 days and typically collects 20mm (0.79") of precipitation.

Daylight

The average length of the day in January in Ruiru is 12h and 11min.
On the first day of the month, sunrise is at 06:29 and sunset at 18:41. On the last day of January, in Ruiru, sunrise is at 06:40 and sunset at 18:50 EAT.

Sunshine

January and February, with an average of 9.7h of sunshine, are months with the most sunshine.

UV index

January through August, October through December, with an average maximum UV index of 5, are months with the lowest UV index. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the average person.
Note: The daily maximum UV index of 5 in January interprets into the following advice:
Put precautions into practice - Protective measures against sun-induced damage are advised. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.

Updated: Jan 31, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Ruiru in January has an average high-temperature of 26.2°C (79.2°F) and an average low-temperature of 12.8°C (55°F).

The average relative humidity in January in Ruiru is 69%.

January is the month with the least rainfall. Rain falls for 8.5 days and accumulates 20mm (0.79") of precipitation.

In Ruiru, Kenya, in January, it is raining for 8.5 days, with typically 20mm (0.79") of accumulated precipitation.

In January, the average day length in Ruiru, Kenya, is 12h and 11min.

In January, on the first day of the month, sunrise is at 06:29 and sunset at 18:41. On the last day of the month, in Ruiru, Kenya, sunrise is at 06:40 and sunset at 18:50 EAT.

The months with the most sunshine in Ruiru are January and February, with an average of 9.7h of sunshine.

In January, the average sunshine duration in Ruiru is 9.7h.

January through August, October through December, with an average maximum UV index of 5, are months with the lowest UV index in Ruiru, Kenya.

In January, the average daily maximum UV index in Ruiru, Kenya, is 5. A UV Index of 3 to 5 symbolizes a moderate health threat from exposure to Sun's UV rays.

Today

Tomorrow

Long-term

Year January F M A M J J A S O N D

Dec

January

Feb

Average high temperature

24.5°C

26.2°C

27.3°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

10.6km/h

11.3km/h

11.9km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average daylight

Average sunshine

Average sunshine days

12.1

21.3

17.9

Average UV index

Average cloud cover

Average visibility

Average temperature in January
Ruiru, Kenya

Average high temperature in January: 26.2°C

The warmest months (with the highest average high temperature) are February and March (27.3°C).
The months with the lowest average high temperature are June and July (23.3°C).

Average low temperature in January: 12.8°C

The month with the highest average low temperature is April (14.9°C).
The coldest month (with the lowest average low temperature) is July (12.6°C).

Average pressure in January
Ruiru, Kenya

Average pressure in January: 1014.1mbar

The month with the highest atmospheric pressure is July (1016.6mbar).
The months with the lowest atmospheric pressure are February and March (1013.4mbar).

Average wind speed in January
Ruiru, Kenya

Average wind speed in January: 10km/h

The windiest month (with the highest average wind speed) is February (10.5km/h).
The calmest month (with the lowest average wind speed) is June (5.4km/h).

Average humidity in January
Ruiru, Kenya

Average humidity in January: 69%

The month with the highest relative humidity is May (84%).
The month with the lowest relative humidity is February (65%).

Average rainfall in January
Ruiru, Kenya

Average rainfall in January: 20mm

The wettest month (with the highest rainfall) is April (117mm).
The driest month (with the least rainfall) is January (20mm).

Average rainfall days in January
Ruiru, Kenya

Average rainfall days in January: 8.5 days

The month with the highest number of rainy days is May (25.3 days).
The month with the least rainy days is January (8.5 days).

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

Average daylight in January: 12h and 12min

The month with the longest days is December (Average daylight: 12h and 12min).
The month with the shortest days is June (Average daylight: 12h and 6min).

Average sunshine in January: 9h and 42min

The months with the most sunshine are January and February (Average sunshine: 9h and 42min).
The month with the least sunshine is May (Average sunshine: 8h and 42min).

Average sunshine days in January
Ruiru, Kenya

Average sunshine days in January: 21.3 days

The month with the most sunshine days is January (21.3 days).
The month with the least sunshine days is April (3.3 days).

Average UV index in January
Ruiru, Kenya

Average UV index in January: 5

The month with the highest UV index is September (UV index 6).
The months with the lowest UV index are January, February, March, April, May, June, July, August, October, November and December (UV index 5).