KenyaThe climate of Siaya
The current climate in Siaya features temperatures ranging from a high of 32°C to a low of 27°C throughout the year. The average yearly temperature is around 29°C. At night, temperatures in the colder months average around 16°C and in the warmer months around 19°C.
Average temperatures and precipitation
This chart shows the average monthly maximum and minimum temperatures (in degrees Celsius) and average monthly rainfall (in millimeters) for Siaya, Kenya.
Temperature records
The highest temperature recorded in Siaya in recent years was 38°C in March 2022. The lowest daytime temperature recorded was 19°C in April 2023.
Rainfall amount
On average, Siaya receives 2063 mm of precipitation each year. For comparison, New York gets 1142 mm of precipitation annually.
Curious about the weather in other parts of Kenya? Check out the climate and weather for spots like Masai Mara National Reserve, Nairobi, Mombasa, or explore other destinations in Kenya.
Best time to visit Siaya?
The best time to visit Siaya for mild to warm weather is January, February, July, August and December. You might get some rain, but the temperatures are just right to explore Siaya.
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Climate Table of Siaya
The climate table of Siaya shows the average temperatures, rainfall, and UV index per month. The table provides an overview of the average day and night temperatures in degrees Celsius, the total amount of rainfall in millimeters, the total snowfall in centimeters, and the UV index for each month. Rainfall is always measured as water, even if it's snow or hail.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
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| Temp. max (°C) | 30 | 32 | 31 | 29 | 28 | 27 | 27 | 28 | 29 | 29 | 29 | 29 |
| Temp. min (°C) | 19 | 19 | 19 | 20 | 19 | 17 | 17 | 18 | 19 | 19 | 19 | 18 |
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| Precipitation (mm) | 79 | 55 | 160 | 284 | 227 | 278 | 122 | 123 | 170 | 241 | 200 | 124 |
| UV Index | 9 | 9 | 9 | 8 | 8 | 7 | 7 | 8 | 9 | 9 | 8 | 9 |
Click on the month name to see more weather details, like daily averages, temperatures, and precipitation for the past years in that month.
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Temperature charts
These charts display the average temperatures in Siaya, Kenya. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Average Temperature per Month in Siaya
Yearly Temperature in Siaya
Precipitation charts
These charts show the average amount of precipitation in Siaya, Kenya. Precipitation is always measured as water, even when it falls as snow or hail. The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Average Precipitation per Month in Siaya
Total Yearly Precipitation in Siaya
UV index chart
This chart shows the average UV index per month in Siaya, Kenya. The UV index indicates the intensity of ultraviolet radiation and ranges from 0 to a maximum of 11.
Average UV Index per Month in Siaya
Weather experiences in Siaya
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Average weather in Siaya by month
Click on a month below to see detailed weather info for Siaya. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.