Climate Overview
The climate in Mirik is warm and mild. The average annual temperature is 18°C and approximately 3655mm of precipitation falls per year. July is the wettest month, receiving around 877mm of rainfall. Mirik is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: August, September, June. The coldest months are January, December, February, when temperatures can drop to 6°C.
Temperature
Mirik sees moderate temperature variation throughout the year, ranging from 6°C to 26°C. The warmest month is August, when average highs reach 26°C and the mean temperature sits around 23°C. January is the coolest month, with minimum temperatures around 6°C and an average of 10°C. Daily temperature variation is modest, with an average difference of 8°C between highs and lows. The sharpest temperature change occurs between October and November, with a 4°C shift in average temperatures.
Precipitation
Mirik is a very wet location, receiving approximately 3655mm of precipitation annually, which averages out to around 305mm per month. The wettest month is July, averaging 877mm of rainfall. June and August also tend to see above-average precipitation. The driest month is December, with just 13mm. That's 864mm 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.
Wind
Mirik 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 March, averaging 4km/h, though still comfortable for most outdoor activities. The calmest conditions occur in September, with average winds dropping to 3km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 1km/h between the calmest and windiest months.
Seasons
8 days until Autumn
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 August at around 26°C, while the coldest stretch bottoms out in January near 6°C. Autumn is next, beginning on September 23, 2026 (8 days from now).
Spring
Temperatures range from 11 to 25°C. Rainfall is heavy, totalling around 813mm across the season with a monthly average of 271mm. Winds are generally light, averaging 4km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 21 to 26°C. Rainfall is heavy, totalling around 2058mm across the season with a monthly average of 686mm. Winds are generally light, averaging 3km/h. Light, breathable clothing is ideal. Perfect conditions for outdoor activities.
Autumn
Temperatures range from 11 to 26°C. Rainfall is heavy, totalling around 656mm across the season with a monthly average of 219mm. Winds are generally light, averaging 3km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 6 to 19°C. Rainfall is relatively light, with around 128mm over the season and a monthly average of 43mm. Winds are generally light, averaging 3km/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 Mirik is during November, when the weather is most comfortable for travellers. During these months, average temperatures hover around 16°C with modest rainfall averaging 22mm per month. By contrast, August can be uncomfortably hot with highs reaching 26°C, while January is the coldest period with lows dropping to 6°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 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.