Climate Insights for Harpanahalli

The climate in Harpanahalli is hot. The average annual temperature is 26°C and approximately 710mm of precipitation falls per year. June is the wettest month, receiving around 257mm of rainfall. Harpanahalli is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: April, March, May. The coldest months are December, January, November, when temperatures can drop to 18°C.

Harpanahalli sees moderate temperature variation throughout the year, ranging from 18°C to 38°C. April is the hottest month, with daytime highs reaching 38°C and an average of 31°C. December is the coolest month, with minimum temperatures around 18°C and an average of 24°C. On average, daily temperatures fluctuate by about 10°C between overnight lows and afternoon highs. The sharpest temperature change occurs between May and June, with a 4°C shift in average temperatures.

Harpanahalli is a relatively dry area, receiving approximately 710mm of precipitation annually, which averages out to around 59mm per month. The wettest month is June, averaging 257mm of rainfall. July and September also tend to see above-average precipitation. The driest month is February, with just 0mm. That's 257mm 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.

Harpanahalli is relatively calm, with an average annual wind speed of 4km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is August, averaging 5km/h, though still comfortable for most outdoor activities. The calmest conditions occur in March, with average winds dropping to 2km/h, making it an ideal period for wind-sensitive activities. Wind speeds vary significantly across the year, with a 3km/h difference between the calmest and windiest months. This level of variation is worth factoring into travel plans. Wind tends to pick up during the summer months. The seasonal averages are 3km/h in winter, 3km/h in spring, 5km/h in summer, 3km/h in autumn.

It is currently summer in Harpanahalli, which began on June 21, 2026. Harpanahalli 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 38°C, while the coldest stretch bottoms out in December near 18°C. Autumn is next, beginning on September 23, 2026 — 63 days from now.

The best time to visit Harpanahalli is during January, August, November and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 24°C with modest rainfall averaging 26mm per month. By contrast, April can be uncomfortably hot with temperatures reaching 38°C. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.

The table below shows monthly climate averages for Harpanahalli 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.