Climate Insights for Arenas

The climate in Arenas is warm and mild. The average annual temperature is 23°C and approximately 1164mm of precipitation falls per year. August is the wettest month, receiving around 172mm of rainfall. Arenas is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: April, September, May. The coldest months are January, February, March, when temperatures can drop to 18°C.

Arenas sees moderate temperature variation throughout the year, ranging from 18°C to 30°C. The warmest month is April, when average highs reach 30°C and the mean temperature sits around 24°C. January is the coolest month, with minimum temperatures around 18°C and an average of 22°C. On average, daily temperatures fluctuate by about 9°C between overnight lows and afternoon highs.

Arenas is a moderately rainy area, receiving approximately 1164mm of precipitation annually, which averages out to around 97mm per month. The wettest month is August, averaging 172mm of rainfall. September and July also tend to see above-average precipitation. The driest month is February, with just 28mm. That's 144mm 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.

Arenas is relatively calm, with an average annual wind speed of 11km/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 13km/h, though still comfortable for most outdoor activities. The calmest conditions occur in September, with average winds dropping to 8km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 5km/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 12km/h in winter, 12km/h in spring, 10km/h in summer, 9km/h in autumn.

It is currently spring in Arenas, which began on March 20, 2026. Arenas 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 30°C, while the coldest stretch bottoms out in January near 18°C. Summer is next, beginning on June 21, 2026 — 89 days from now.

The best time to visit Arenas is during January, February, March, April, May and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 23°C with modest rainfall averaging 51mm per month. 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 Arenas 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.