Climate Overview
The climate in Lalmonirhat is hot. The average annual temperature is 25°C and approximately 2698mm of precipitation falls per year. June is the wettest month, receiving around 511mm of rainfall. Lalmonirhat is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: August, July, September. The coldest months are January, December, February, when temperatures can drop to 12°C.
Temperature
Temperatures in Lalmonirhat 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 February and March, with a 4°C shift in average temperatures.
Precipitation
Lalmonirhat is a very wet location, receiving approximately 2698mm of precipitation annually, which averages out to around 225mm per month. The wettest month is June, averaging 511mm of rainfall. July and May also tend to see above-average precipitation. The driest month is November, with just 3mm. That's 508mm less than June, 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
Lalmonirhat is relatively calm, with an average annual wind speed of 12km/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 15km/h, though still comfortable for most outdoor activities. The calmest conditions occur in January, with average winds dropping to 10km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 5km/h gap between the calmest and windiest months. Wind tends to pick up during the summer months. The seasonal averages are 10km/h in winter, 14km/h in spring, 13km/h in summer, 10km/h in autumn.
Seasons
89 days until Summer
It is currently spring in Lalmonirhat, which began on March 20, 2026. Lalmonirhat 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. Summer is next, beginning on June 21, 2026 — 89 days from now.
Spring
Temperatures range from 19 to 32°C. Rainfall is heavy, totalling around 664mm across the season with a monthly average of 221mm. Winds are generally light, averaging 14km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 26 to 33°C. Rainfall is heavy, totalling around 1438mm across the season with a monthly average of 479mm. Winds are generally light, averaging 13km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 18 to 32°C. Rainfall is heavy, totalling around 559mm across the season with a monthly average of 186mm. Winds are generally light, averaging 10km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 12 to 27°C. Precipitation is minimal, with only around 36mm for the entire season. Winds are generally light, averaging 10km/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 Lalmonirhat is during January, February, March, November and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 21°C with modest rainfall averaging 20mm 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.
Monthly Climate Data
The table below shows monthly climate averages for Lalmonirhat 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.