Climate Insights for Kosigi

The climate in Kosigi is hot. The average annual temperature is 28°C and approximately 834mm of precipitation falls per year. September is the wettest month, receiving around 215mm of rainfall. Kosigi is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: April, May, March. The coldest months are December, January, November, when temperatures can drop to 19°C.

Temperatures in Kosigi vary considerably across the year, with a 21°C difference between the coldest and warmest months. April is the hottest month, with daytime highs reaching 40°C and an average of 34°C. December is the coolest month, with minimum temperatures around 19°C and an average of 25°C. On average, daily temperatures fluctuate by about 10°C between overnight lows and afternoon highs. The sharpest temperature change occurs between May and June, with a 4°C shift in average temperatures.

Kosigi is a moderately rainy area, receiving approximately 834mm of precipitation annually, which averages out to around 70mm per month. The wettest month is September, averaging 215mm of rainfall. June and August also tend to see above-average precipitation. The driest month is February, with just 0mm. That's 215mm less than September, 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.

Kosigi is relatively calm, with an average annual wind speed of 3km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is July, averaging 5km/h, though still comfortable for most outdoor activities. The calmest conditions occur in October, with average winds dropping to 2km/h, making it an ideal period for wind-sensitive activities. Wind speeds vary significantly across the year, with a 3km/h difference between the calmest and windiest months. This level of variation is worth factoring into travel plans.

It is currently summer in Kosigi, which began on June 21, 2026. Kosigi is in the Northern Hemisphere, where spring begins in March, summer in June, autumn in September, and winter in December. The warmest period peaks in April at around 40°C, while the coldest stretch bottoms out in December near 19°C. Autumn is next, beginning on September 23, 2026 — 92 days from now.

The best time to visit Kosigi is during January and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 25°C with modest rainfall averaging 7mm per month. By contrast, April can be uncomfortably hot with temperatures reaching 40°C. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.

The table below shows monthly climate averages for Kosigi 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.