January Weather in Ruiru, Kenya

Last updated: August 23, 2025

In January, the average temperature in Ruiru, Kenya is a pleasant 20°C (69°F). Expect a minimum of 12°C (54°F) and a maximum of 30°C (86°F), making it an ideal time to enjoy outdoor activities. However, be prepared for some rain, as the area receives about 31 mm (1.2 in) of precipitation over 6 days. With an average humidity of 64%, it’s a good idea to stay hydrated and embrace the refreshing atmosphere!

January Temperature in Ruiru

In January in Ruiru, the average temperature is 20°C (69°F). The maximum can reach 30°C (86°F), and the minimum can be as low as 12°C (54°F). This mild climate makes it a perfect time for travelers to explore the area's natural beauty and enjoy outdoor activities.

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

The chart illustrates January temperature patterns in Ruiru, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ruiru, January typically has an average temperature of 20°C (69°F), with highs reaching up to 30°C (86°F) and lows dropping to around 12°C (54°F).

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

January Precipitation in Ruiru

In Ruiru in January, the precipitation amount is 31 mm (1.2 in) over a span of 6 days.

January Precipitation Trends in Ruiru

The chart displays monthly precipitation patterns in Ruiru, 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 Ruiru, January typically receives around 31 mm (1.2 inches) of precipitation spread over approximately 6 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

January Humidity in Ruiru

In Ruiru in January, humidity is 64%. With an average temperature of 20°C (69°F), this humidity feels like a warm, slightly sticky embrace that can leave travelers feeling a bit sluggish. It's essential to stay hydrated and take breaks in the shade while exploring, as the moisture in the air can make outdoor activities feel more intense.

January Average Humidity in Ruiru

This chart illustrates the average monthly humidity levels in Ruiru, 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 Ruiru is approximately 64%, 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 Ruiru

In Ruiru in January, the maximum UV index reaches an alarming 15, which falls into the extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take precautions. For detailed information, you can check the Hourly UV Index in Ruiru.

Maximum UV Index Levels in Ruiru for January

The chart shows the monthly maximum UV Index (UVI) for Ruiru 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 Ruiru typically reaches 15, which falls under the extreme exposure category.

Data source: Ruiru 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 Ruiru Compares to Other Months

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

This table compares monthly weather conditions in Ruiru, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	20°C (69°F)	31 mm (1.2 inches)	64%	extreme
February Weather	21°C (70°F)	27 mm (1.1 inches)	53%	extreme
March Weather	22°C (72°F)	82 mm (3.2 inches)	49%	extreme
April Weather	21°C (70°F)	154 mm (6.1 inches)	54%	extreme
May Weather	20°C (68°F)	105 mm (4.1 inches)	71%	extreme
June Weather	19°C (66°F)	40 mm (1.6 inches)	70%	extreme
July Weather	18°C (65°F)	15 mm (0.6 inches)	63%	extreme
August Weather	19°C (66°F)	18 mm (0.7 inches)	60%	extreme
September Weather	20°C (68°F)	24 mm (1.0 inches)	63%	extreme
October Weather	21°C (70°F)	69 mm (2.7 inches)	76%	extreme
November Weather	20°C (69°F)	128 mm (5.0 inches)	89%	extreme
December Weather	20°C (68°F)	87 mm (3.4 inches)	84%	extreme