Climate Overview
The climate in Thika is warm and mild. The average annual temperature is 19°C and approximately 908mm of precipitation falls per year. April is the wettest month, receiving around 213mm of rainfall. Thika sits near the equator, so seasonal temperature differences are minimal throughout the year.
Temperature
Thika sees moderate temperature variation throughout the year, ranging from 13°C to 27°C. The warmest month is March, when average highs reach 27°C and the mean temperature sits around 21°C. August is the coolest month, with minimum temperatures around 13°C and an average of 18°C. On average, daily temperatures fluctuate by about 10°C between overnight lows and afternoon highs.
Precipitation
Thika is a moderately rainy area, receiving approximately 908mm of precipitation annually, which averages out to around 76mm per month. The wettest month is April, averaging 213mm of rainfall. November and May also tend to see above-average precipitation. The driest month is February, with just 27mm. That's 186mm less than April, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic.
Wind
Thika is relatively calm, with an average annual wind speed of 11km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is February, averaging 15km/h, though still comfortable for most outdoor activities. The calmest conditions occur in June, with average winds dropping to 9km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 6km/h gap between the calmest and windiest months. Wind tends to pick up during the summer months. The seasonal averages are 9km/h in winter, 11km/h in spring, 14km/h in summer, 12km/h in autumn.
Seasons
89 days until Winter
It is currently autumn in Thika, which began on March 20, 2026. Thika sits near the equator, so the traditional four-season cycle is less pronounced — temperatures remain relatively stable year-round. The warmest period peaks in March at around 27°C, while the coldest stretch bottoms out in August near 13°C. Winter is next, beginning on June 21, 2026 — 89 days from now.
Spring
Temperatures range from 14 to 25°C. Precipitation is moderate at around 262mm for the season, averaging 87mm per month. Winds are generally light, averaging 11km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 14 to 27°C. Rainfall is relatively light, with around 128mm over the season and a monthly average of 43mm. Winds are generally light, averaging 14km/h. Comfortable clothing with a light layer for cooler evenings is all you need.
Autumn
Temperatures range from 15 to 27°C. Rainfall is heavy, totalling around 410mm across the season with a monthly average of 137mm. Winds are generally light, averaging 12km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 13 to 23°C. Rainfall is relatively light, with around 108mm over the season and a monthly average of 36mm. Winds are generally light, averaging 9km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.
Best Time to Visit
The best time to visit Thika is during January, February, March, June, July, August, September, October and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 19°C with modest rainfall averaging 46mm per month. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.
Monthly Climate Data
The table below shows monthly climate averages for Thika based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.