Climate Insights for Bosa

The climate in Bosa is temperate. The average annual temperature is 17°C and approximately 721mm of precipitation falls per year. November is the wettest month, receiving around 124mm of rainfall. Bosa is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: July, August, June. The coldest months are January, February, March, when temperatures can drop to 7°C.

Temperatures in Bosa vary considerably across the year, with a 22°C difference between the coldest and warmest months. The warmest month is July, when average highs reach 29°C and the mean temperature sits around 25°C. January is the coolest month, with minimum temperatures around 7°C and an average of 10°C. Daily temperature variation is modest, with an average difference of 7°C between highs and lows. The sharpest temperature change occurs between May and June, with a 5°C shift in average temperatures.

Bosa is a relatively dry area, receiving approximately 721mm of precipitation annually, which averages out to around 60mm per month. The wettest month is November, averaging 124mm of rainfall. December and January also tend to see above-average precipitation. The driest month is July, with just 4mm. That's 120mm less than November, 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.

Bosa is mildly breezy, with an average annual wind speed of 19km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is January, averaging 21km/h, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in June, with average winds dropping to 17km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 4km/h 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 20km/h in winter, 19km/h in spring, 17km/h in summer, 18km/h in autumn.

It is currently spring in Bosa, which began on March 20, 2026. Bosa 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 July at around 29°C, while the coldest stretch bottoms out in January near 7°C. Summer is next, beginning on June 21, 2026 — 88 days from now.

The best time to visit Bosa is during May, June, August, September and October, when the weather is most comfortable for travellers. During these months, average temperatures hover around 21°C with modest rainfall averaging 44mm per month. By contrast, July can be uncomfortably hot with highs reaching 29°C, while January is the coldest period with lows dropping to 7°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 Bosa 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.