Climate Insights for Mirik

The climate in Mirik is warm and mild. The average annual temperature is 21°C and approximately 3004mm of precipitation falls per year. July is the wettest month, receiving around 1190mm of rainfall. Mirik is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: April, August, June. The coldest months are January, December, February, when temperatures can drop to 8°C.

Temperatures in Mirik vary considerably across the year, with a 22°C difference between the coldest and warmest months. The warmest month is April, when average highs reach 30°C and the mean temperature sits around 24°C. January is the coolest month, with minimum temperatures around 8°C and an average of 13°C. On average, daily temperatures fluctuate by about 9°C between overnight lows and afternoon highs. The sharpest temperature change occurs between October and November, with a 4°C shift in average temperatures.

Mirik is a very wet location, receiving approximately 3004mm of precipitation annually, which averages out to around 250mm per month. The wettest month is July, averaging 1190mm of rainfall. September and June also tend to see above-average precipitation. The driest month is November, with just 1mm. That's 1189mm 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.

Mirik is relatively calm, with an average annual wind speed of 1km/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 2km/h, though still comfortable for most outdoor activities. The calmest conditions occur in October, with average winds dropping to 1km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 1km/h gap between the calmest and windiest months.

It is currently summer in Mirik, which began on June 21, 2026. Mirik 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 30°C, while the coldest stretch bottoms out in January near 8°C. Autumn is next, beginning on September 23, 2026 — 62 days from now.

The best time to visit Mirik is during February, March, April, November and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 19°C with modest rainfall averaging 24mm per month. By contrast, January can be quite cold with temperatures dropping to 8°C. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.

The table below shows monthly climate averages for Mirik 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.