Climate Insights for Jamālpur

The climate in Jamālpur is hot. The average annual temperature is 25°C and approximately 2331mm of precipitation falls per year. May is the wettest month, receiving around 522mm of rainfall. Jamālpur is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: August, June, April. The coldest months are January, December, February, when temperatures can drop to 12°C.

Temperatures in Jamālpur vary considerably across the year, with a 21°C difference between the coldest and warmest months. The warmest month is August, when average highs reach 33°C and the mean temperature sits around 30°C. January is the coolest month, with minimum temperatures around 12°C and an average of 17°C. On average, daily temperatures fluctuate by about 9°C between overnight lows and afternoon highs. The sharpest temperature change occurs between January and February, with a 5°C shift in average temperatures.

Jamālpur is a very wet location, receiving approximately 2331mm of precipitation annually, which averages out to around 194mm per month. The wettest month is May, averaging 522mm of rainfall. July and September also tend to see above-average precipitation. The driest month is December, with just 2mm. That's 520mm less than May, 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.

Jamālpur is relatively calm, with an average annual wind speed of 2km/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 3km/h, though still comfortable for most outdoor activities. The calmest conditions occur in November, with average winds dropping to 1km/h, making it an ideal period for wind-sensitive activities. Wind speeds vary significantly across the year, with a 2km/h difference between the calmest and windiest months. This level of variation is worth factoring into travel plans.

It is currently summer in Jamālpur, which began on June 21, 2026. Jamālpur 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 August at around 33°C, while the coldest stretch bottoms out in January near 12°C. Autumn is next, beginning on September 23, 2026 — 53 days from now.

The best time to visit Jamālpur is during January, February, November and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 20°C with modest rainfall averaging 8mm per month. By contrast, August can be uncomfortably hot with temperatures reaching 33°C. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.

The table below shows monthly climate averages for Jamālpur 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.