Climate Insights for Ranchi

The climate in Ranchi is warm and mild. The average annual temperature is 24°C and approximately 1468mm of precipitation falls per year. August is the wettest month, receiving around 378mm of rainfall. Ranchi is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: April, May, 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. April is the hottest month, with daytime highs reaching 36°C and an average of 29°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 1468mm of precipitation annually, which averages out to around 122mm per month. The wettest month is August, averaging 378mm of rainfall. July and September also tend to see above-average precipitation. The driest month is November, with just 4mm. That's 374mm 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 relatively calm, with an average annual wind speed of 9km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is July, averaging 11km/h, though still comfortable for most outdoor activities. The calmest conditions occur in November, with average winds dropping to 7km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 4km/h gap between the calmest and windiest months. Wind tends to pick up during the summer months. The seasonal averages are 8km/h in winter, 9km/h in spring, 10km/h in summer, 8km/h in autumn.

It is currently summer in Ranchi, which began on June 21, 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 April at around 36°C, while the coldest stretch bottoms out in January near 11°C. Autumn is next, beginning on September 23, 2026 (3 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 30mm per month. By contrast, April can be uncomfortably hot with temperatures reaching 36°C. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.

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.