Climate Overview
The climate in Benalup-Casas Viejas is warm and mild. The average annual temperature is 18°C and approximately 569mm of precipitation falls per year. March is the wettest month, receiving around 118mm of rainfall. Benalup-Casas Viejas is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: August, July, September. The coldest months are January, February, March, when temperatures can drop to 9°C.
Temperature
Benalup-Casas Viejas sees moderate temperature variation throughout the year, ranging from 9°C to 29°C. The warmest month is August, when average highs reach 29°C and the mean temperature sits around 25°C. January is the coolest month, with minimum temperatures around 9°C and an average of 12°C. Daily temperature variation is modest, with an average difference of 7°C between highs and lows. The sharpest temperature change occurs between October and November, with a 4°C shift in average temperatures.
Precipitation
Benalup-Casas Viejas is a relatively dry area, receiving approximately 569mm of precipitation annually, which averages out to around 47mm per month. The wettest month is March, averaging 118mm of rainfall. October and November also tend to see above-average precipitation. The driest month is July, with just 0mm. That's 118mm less than March, 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.
Wind
Benalup-Casas Viejas is moderately windy, with an average annual wind speed of 21km/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 24km/h, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in July, with average winds dropping to 20km/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.
Seasons
89 days until Summer
It is currently spring in Benalup-Casas Viejas, which began on March 20, 2026. Benalup-Casas Viejas 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 August at around 29°C, while the coldest stretch bottoms out in January near 9°C. Summer is next, beginning on June 21, 2026 — 89 days from now.
Spring
Temperatures range from 11 to 23°C. Precipitation is moderate at around 201mm for the season, averaging 67mm per month. Winds are moderate at around 23km/h. Light layers work well as temperatures warm through the season — a great time to be outdoors.
Summer
Temperatures range from 18 to 29°C. Precipitation is minimal, with only around 9mm for the entire season. Winds are moderate at around 20km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 13 to 26°C. Precipitation is moderate at around 173mm for the season, averaging 58mm per month. Winds are moderate at around 21km/h. Layered clothing works best as temperatures gradually cool — enjoy the crisp air and changing scenery.
Winter
Temperatures range from 9 to 17°C. Precipitation is moderate at around 186mm for the season, averaging 62mm per month. Winds are moderate at around 22km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.
Best Time to Visit
The best time to visit Benalup-Casas Viejas is during April, May, June, July, August, September, October and November, when the weather is most comfortable for travellers. During these months, average temperatures hover around 20°C with modest rainfall averaging 33mm per month. By contrast, January can be quite cold with temperatures dropping to 9°C. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.
Monthly Climate Data
The table below shows monthly climate averages for Benalup-Casas Viejas 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.