Climate Insights for Butwāl

The climate in Butwāl is warm and mild. The average annual temperature is 22°C and approximately 2329mm of precipitation falls per year. July is the wettest month, receiving around 659mm of rainfall. Butwāl is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: April, June, May. The coldest months are January, December, February, when temperatures can drop to 8°C.

Temperatures in Butwāl vary considerably across the year, with a 24°C difference between the coldest and warmest months. The warmest month is April, when average highs reach 32°C and the mean temperature sits around 25°C. January is the coolest month, with minimum temperatures around 8°C and an average of 12°C. On average, daily temperatures fluctuate by about 10°C between overnight lows and afternoon highs. The sharpest temperature change occurs between February and March, with a 5°C shift in average temperatures.

Butwāl is a very wet location, receiving approximately 2329mm of precipitation annually, which averages out to around 194mm per month. The wettest month is July, averaging 659mm of rainfall. August and September also tend to see above-average precipitation. The driest month is December, with just 7mm. That's 652mm less than July, 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.

Butwāl is relatively calm, with an average annual wind speed of 5km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is April, averaging 7km/h, though still comfortable for most outdoor activities. The calmest conditions occur in October, with average winds dropping to 4km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 3km/h gap between the calmest and windiest months.

It is currently summer in Butwāl, which began on June 21, 2026. Butwāl 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 32°C, while the coldest stretch bottoms out in January near 8°C. Autumn is next, beginning on September 23, 2026 (8 days from now).

The best time to visit Butwāl is during February, March, October and November, when the weather is most comfortable for travellers. During these months, average temperatures hover around 20°C with modest rainfall averaging 37mm per month. By contrast, April can be uncomfortably hot with highs reaching 32°C, while January is the coldest period with lows dropping to 8°C. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.

The table below shows monthly climate averages for Butwāl 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.