December weather forecastSiaya, Kenya
December
Weather in December
December, the first month of the winter in Siaya, is still a warm month, with an average temperature ranging between max 26.8°C (80.2°F) and min 15.8°C (60.4°F).Temperature
The dawn of December sees an average high-temperature of a still moderately hot 26.8°C (80.2°F), subtly contrasting with November's 26.4°C (79.5°F). The nighttime temperature dips to a mild 15.8°C (60.4°F) on average during December.Humidity
The average relative humidity in December is 72%.Rainfall
In Siaya, during December, the rain falls for 21.7 days and regularly aggregates up to 111mm (4.37") of precipitation. In Siaya, during the entire year, the rain falls for 276.5 days and collects up to 1434mm (56.46") of precipitation.Daylight
In Siaya, the average length of the day in December is 12h and 7min.On the first day of December in Siaya, sunrise is at 06:28 and sunset at 18:35. On the last day of the month, sunrise is at 06:42 and sunset at 18:49 EAT.
Sunshine
The average sunshine in December is 9.3h.UV index
The months with the highest UV index in Siaya are January through March and December, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for average individuals.Note: In December, the maximum UV index of 6 translates into these guidelines:
Avoid overexposure. Fair-skinned individuals can burn in under 20 minutes. During the period from 10 a.m. to 4 p.m., UV radiation is highest. Try to avoid direct sunlight during these hours. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Siaya, Kenya
- Average high temperature in December: 26.8°C
The warmest month (with the highest average high temperature) is February (29.9°C).
The month with the lowest average high temperature is July (24.2°C).
- Average low temperature in December: 15.8°C
The month with the highest average low temperature is February (16.9°C).
The coldest months (with the lowest average low temperature) are June and July (15°C).
Average pressure in December
Siaya, Kenya
- Average pressure in December: 1013mbar
The month with the highest atmospheric pressure is July (1015.4mbar).
The month with the lowest atmospheric pressure is February (1012mbar).
Average wind speed in December
Siaya, Kenya
- Average wind speed in December: 7.6km/h
The windiest month (with the highest average wind speed) is February (9.1km/h).
The calmest months (with the lowest average wind speed) are May and June (5.7km/h).
Average humidity in December
Siaya, Kenya
- Average humidity in December: 72%
The month with the highest relative humidity is May (85%).
The month with the lowest relative humidity is February (57%).
Average rainfall in December
Siaya, Kenya
- Average rainfall in December: 111mm
The wettest month (with the highest rainfall) is May (242mm).
The driest month (with the least rainfall) is February (38mm).
Average rainfall days in December
Siaya, Kenya
- Average rainfall days in December: 21.7 days
The month with the highest number of rainy days is May (29.3 days).
The month with the least rainy days is February (10.9 days).
Average daylight in December /
Average sunshine in December
Siaya, Kenya
- Average daylight in December: 12h and 6min
The month with the longest days is June (Average daylight: 12h and 6min).
The months with the shortest days are March and October (Average daylight: 12h and 6min).
- Average sunshine in December: 9h and 18min
The months with the most sunshine are January and February (Average sunshine: 9h and 48min).
The month with the least sunshine is May (Average sunshine: 8h and 42min).
Average sunshine days in December
Siaya, Kenya
- Average sunshine days in December: 7.3 days
The month with the most sunshine days is January (16.2 days).
The month with the least sunshine days is May (1.2 days).
Average UV index in December
Siaya, Kenya
- Average UV index in December: 6
The months with the highest UV index are January, February, March and December (UV index 6).
The months with the lowest UV index are April, May, June, July, August, September, October and November (UV index 5).
Average cloud cover in December
Siaya, Kenya
- Average cloud cover in December: 26
The month with the most cloud cover is May (Cloud cover 43).
The month with the least cloud cover is February (Cloud cover 14).
Average visibility in December
Siaya, Kenya
- Average visibility in December: 10km
The months with the highest visibility are January, February, March and December (10km).
The months with the lowest visibility are May and June (8km).





