Climate Insights for Calheta

The climate in Calheta is warm and mild. The average annual temperature is 23°C and approximately 152mm of precipitation falls per year. September is the wettest month, receiving around 68mm of rainfall. Calheta is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: September, October, August. The coldest months are March, February, April, when temperatures can drop to 20°C.

Calheta has relatively stable temperatures year-round, staying within a 7°C range. The warmest month is September, when average highs reach 27°C and the mean temperature sits around 26°C. March is the coolest month, with minimum temperatures around 20°C and an average of 21°C. Daily temperature variation is modest, with an average difference of 1°C between highs and lows.

Calheta is a quite dry location, receiving approximately 152mm of precipitation annually, which averages out to around 13mm per month. The wettest month is September, averaging 68mm of rainfall. August and October also tend to see above-average precipitation. The driest month is April, with just 0mm. That's 67mm less than September, 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.

Calheta is moderately windy, with an average annual wind speed of 20km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is February, averaging 25km/h, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in August, with average winds dropping to 14km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 11km/h gap between the calmest and windiest months. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 23km/h in winter, 23km/h in spring, 16km/h in summer, 18km/h in autumn.

It is currently summer in Calheta, which began on June 21, 2026. Calheta 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 September at around 27°C, while the coldest stretch bottoms out in March near 20°C. Autumn is next, beginning on September 23, 2026 (1 days from now).

The best time to visit Calheta is during January, February, March, April, May, June, July, November and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 23°C with modest rainfall averaging 2mm per month. By contrast, September can be uncomfortably hot with temperatures reaching 27°C. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.

The table below shows monthly climate averages for Calheta 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.