December weather forecastAthi River, Kenya

December

Weather in December

The first month of the summer, December, is also a moderately hot month in Athi River, Kenya, with an average temperature varying between 13.9°C (57°F) and 24.1°C (75.4°F).

Temperature

As December takes its course, Athi River's average high-temperature registers at a still moderately hot 24.1°C (75.4°F), closely aligning with the preceding month. Throughout the month of December, Athi River sees a steady low-temperature average of 13.9°C (57°F).

Humidity

In Athi River, the average relative humidity in December is 78%.

Rainfall

In December, the rain falls for 20.1 days. Throughout December, 58mm (2.28") of precipitation is accumulated. Throughout the year, there are 241.5 rainfall days, and 676mm (26.61") of precipitation is accumulated.

Daylight

The month with the longest days is December, with an average of 12h and 12min of daylight.
On the first day of the month, sunrise is at 06:15 and sunset at 18:27. On the last day of December, sunrise is at 06:29 and sunset at 18:41 EAT.

Sunshine

In Athi River, the average sunshine in December is 9.1h.

UV index

The months with the lowest UV index are January through August, October through December, with an average maximum UV index of 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: The maximum daily UV index of 5 in December converts into the following recommendations:
Undertake protective steps - Recommendations to avoid sunburn are issued. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.

Updated: Jul 26, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

An average high-temperature, in December, in Athi River, is 24.1°C (75.4°F) and the average low-temperature is 13.9°C (57°F). In February, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which factors the actual air temperature with the relative humidity, is computed to be 28°C (82.4°F).

The average relative humidity in December is 78%.

In Athi River, in December, it is raining for 20.1 days, with typically 58mm (2.28") of accumulated precipitation.

December has the longest days of the year, with an average of 12h and 12min of daylight.

In December, the average day length is 12h and 13min.

On the first day of December, sunrise is at 06:15 and sunset at 18:27. On the last day of the month, sunrise is at 06:29 and sunset at 18:41 EAT.

The average sunshine duration in December is 9.1h.

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

The average daily maximum UV index in December in Athi River is 5. A UV Index of 3 to 5 symbolizes a medium health risk from unprotected exposure to UV radiation.

Today

Tomorrow

Long-term

Year J F M A M J J A S O N December

Nov

December

Jan

Average high temperature

24°C

24.1°C

25.7°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

11.8km/h

12.2km/h

12.3km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average daylight

Average sunshine

Average sunshine days

3.3

7.6

15.3

Average UV index

Average cloud cover

Average visibility

Average temperature in December
Athi River, Kenya

Average high temperature in December: 24.1°C

The warmest month (with the highest average high temperature) is February (27°C).
The month with the lowest average high temperature is June (22.4°C).

Average low temperature in December: 13.9°C

The month with the highest average low temperature is April (15.6°C).
The coldest month (with the lowest average low temperature) is July (12.7°C).

Average pressure in December
Athi River, Kenya

Average pressure in December: 1014.2mbar

The month with the highest atmospheric pressure is July (1016.8mbar).
The months with the lowest atmospheric pressure are February and March (1013.4mbar).

Average wind speed in December
Athi River, Kenya

Average wind speed in December: 11.1km/h

The windiest month (with the highest average wind speed) is February (11.8km/h).
The calmest month (with the lowest average wind speed) is June (6.1km/h).

Average humidity in December
Athi River, Kenya

Average humidity in December: 78%

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

Average rainfall in December
Athi River, Kenya

Average rainfall in December: 58mm

The wettest month (with the highest rainfall) is April (125mm).
The driest month (with the least rainfall) is January (28mm).

Average rainfall days in December
Athi River, Kenya

Average rainfall days in December: 20.1 days

The month with the highest number of rainy days is May (27.7 days).
The month with the least rainy days is January (12.3 days).

Average daylight in December /
Average sunshine in December
Athi River, Kenya

Average daylight in December: 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 0min).

Average sunshine in December: 9h and 6min

The months with the most sunshine are January and February (Average sunshine: 9h and 36min).
The months with the least sunshine are April and May (Average sunshine: 8h and 30min).

Average sunshine days in December
Athi River, Kenya

Average sunshine days in December: 7.6 days

The month with the most sunshine days is January (15.3 days).
The month with the least sunshine days is April (1.9 days).

Average UV index in December
Athi River, Kenya

Average UV index in December: 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).