Climate Insights for Ranchi

The climate in Ranchi is warm and mild. The average annual temperature is 24°C and approximately 1374mm of precipitation falls per year. August is the wettest month, receiving around 366mm of rainfall. Ranchi is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: May, April, June. The coldest months are January, December, February, when temperatures can drop to 11°C.

Temperatures in Ranchi vary considerably across the year, with a 25°C difference between the coldest and warmest months. May is the hottest month, with daytime highs reaching 36°C and an average of 30°C. January is the coolest month, with minimum temperatures around 11°C and an average of 16°C. On average, daily temperatures fluctuate by about 10°C between overnight lows and afternoon highs. The sharpest temperature change occurs between March and April, with a 5°C shift in average temperatures.

Ranchi is a fairly wet location, receiving approximately 1374mm of precipitation annually, which averages out to around 114mm per month. The wettest month is August, averaging 366mm of rainfall. July and September also tend to see above-average precipitation. The driest month is November, with just 4mm. That's 362mm less than August, 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.

Ranchi is mildly breezy, with an average annual wind speed of 13km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is May, averaging 16km/h, though still comfortable for most outdoor activities. The calmest conditions occur in November, 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 6km/h gap between the calmest and windiest months. Wind tends to pick up during the summer months. The seasonal averages are 11km/h in winter, 15km/h in spring, 15km/h in summer, 11km/h in autumn.

It is currently spring in Ranchi, which began on March 20, 2026. Ranchi 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 May at around 36°C, while the coldest stretch bottoms out in January near 11°C. Summer is next, beginning on June 21, 2026 — 89 days from now.

The best time to visit Ranchi is during January, February, March, October, November and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 20°C with modest rainfall averaging 28mm per month. By contrast, May can be uncomfortably hot with temperatures reaching 36°C. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.

The table below shows monthly climate averages for Ranchi 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.