Climate Insights for Arenas Valley

The climate in Arenas Valley is temperate. The average annual temperature is 16°C and approximately 331mm of precipitation falls per year. July is the wettest month, receiving around 48mm of rainfall. Arenas Valley is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: June, July, August. The coldest months are January, December, February, when temperatures can drop to 0°C. Light snow can occur between January and December.

Temperatures in Arenas Valley vary considerably across the year, with a 33°C difference between the coldest and warmest months. The warmest month is June, when average highs reach 33°C and the mean temperature sits around 26°C. The coldest month is January, when overnight lows fall to 0°C and the daily average is 5°C. On average, daily temperatures fluctuate by about 13°C between overnight lows and afternoon highs. The sharpest temperature change occurs between October and November, with a 6°C shift in average temperatures.

Arenas Valley is a quite dry location, receiving approximately 331mm of precipitation annually, which averages out to around 28mm per month. The wettest month is July, averaging 48mm of rainfall. November and September also tend to see above-average precipitation. The driest month is April, with just 6mm. That's 42mm less than July, 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. Light snowfall can occur between January and December, totalling around 24cm annually. January is the snowiest month with approximately 8cm.

Arenas Valley 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 April, averaging 4km/h, though still comfortable for most outdoor activities. The calmest conditions occur in August, with average winds dropping to 3km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 1km/h gap between the calmest and windiest months.

It is currently spring in Arenas Valley, which began on March 20, 2026. Arenas Valley 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 June at around 33°C, while the coldest stretch bottoms out in January near 0°C. Summer is next, beginning on June 21, 2026 — 3 days from now.

The best time to visit Arenas Valley is during April, May, August, September and October, when the weather is most comfortable for travellers. During these months, average temperatures hover around 20°C with modest rainfall averaging 24mm per month. By contrast, June can be uncomfortably hot with highs reaching 33°C, while January is the coldest period with lows dropping to 0°C. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.

The table below shows monthly climate averages for Arenas Valley 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. Snow is measured in centimetres (cm) and reflects average monthly snowfall accumulation. 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.