January Weather in Siaya, Kenya

Last updated: August 23, 2025

The average temperature in Siaya, Kenya during January is a pleasant 23°C (74°F). Visitors can expect a range of temperatures, with a minimum of 17°C (63°F) and a maximum soaring up to 33°C (91°F). However, be prepared for some rain, as the area receives about 115 mm (4.5 in) of precipitation over 14 days. With an average humidity of 72%, it’s advisable to stay hydrated and enjoy the warm climate!

January Temperature in Siaya

In January in Siaya, the weather is pleasantly warm with an average temperature of 23°C (74°F). Maximum temperatures can reach 33°C (91°F), while minimums can drop to a cooler 17°C (63°F). This makes it an ideal time for travel, allowing you to enjoy outdoor activities comfortably.

January Weather in Siaya: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Siaya, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Siaya, January typically has an average temperature of 23°C (74°F), with highs reaching up to 33°C (91°F) and lows dropping to around 17°C (63°F).

Data source: Temperature data for Siaya generated using information from the Copernicus Climate Change Service.

January Precipitation in Siaya

In Siaya in January, the precipitation amount is 115 mm (4.5 in) over the course of 14 days.

January Precipitation Trends in Siaya

The chart displays monthly precipitation patterns in Siaya, with values for each month alongside January’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January’s conditions compare to those of other months. In Siaya, January typically receives around 115 mm (4.5 inches) of precipitation spread over approximately 14 days.

Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

January Humidity in Siaya

In Siaya in January humidity is 72%. With an average temperature of 23°C (74°F), this humidity feels like a warm, enveloping blanket that clings to the skin, making outdoor activities a challenge but offering a refreshing atmosphere for leisurely strolls in the shade.

January Average Humidity in Siaya

This chart illustrates the average monthly humidity levels in Siaya, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, average humidity in Siaya is approximately 72%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Siaya

In Siaya in January, the maximum UV index is 14, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, so it's crucial to take precautions. For the detailed hourly UV index in Siaya, you can check here.

Maximum UV Index Levels in Siaya for January

The chart shows the monthly maximum UV Index (UVI) for Siaya in January, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In January, the maximum UV index in Siaya typically reaches 14, which falls under the extreme exposure category.

Data source: Siaya January UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

How January Weather in Siaya Compares to Other Months

Weather in Siaya varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Siaya, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Siaya, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	23°C (74°F)	115 mm (4.5 inches)	72%	extreme
February Weather	24°C (75°F)	111 mm (4.4 inches)	72%	extreme
March Weather	23°C (74°F)	219 mm (8.6 inches)	69%	extreme
April Weather	23°C (73°F)	283 mm (11.1 inches)	73%	extreme
May Weather	23°C (73°F)	269 mm (10.6 inches)	81%	extreme
June Weather	22°C (73°F)	142 mm (5.6 inches)	75%	extreme
July Weather	22°C (72°F)	111 mm (4.4 inches)	71%	extreme
August Weather	22°C (73°F)	142 mm (5.6 inches)	69%	extreme
September Weather	23°C (73°F)	159 mm (6.2 inches)	73%	extreme
October Weather	23°C (73°F)	243 mm (9.6 inches)	80%	extreme
November Weather	23°C (73°F)	218 mm (8.6 inches)	85%	extreme
December Weather	23°C (73°F)	181 mm (7.1 inches)	80%	extreme