Climate Insights for Colmenar Viejo

The climate in Colmenar Viejo is temperate. The average annual temperature is 13°C and approximately 635mm of precipitation falls per year. March is the wettest month, receiving around 93mm of rainfall. Colmenar Viejo 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, December, when temperatures can drop to 1°C. Light snow can occur between January and December.

Temperatures in Colmenar Viejo vary considerably across the year, with a 30°C difference between the coldest and warmest months. The warmest month is July, when average highs reach 31°C and the mean temperature sits around 24°C. January is the coolest month, with minimum temperatures around 1°C and an average of 4°C. On average, daily temperatures fluctuate by about 11°C between overnight lows and afternoon highs. The sharpest temperature change occurs between October and November, with a 6°C shift in average temperatures.

Colmenar Viejo is a relatively dry area, receiving approximately 635mm of precipitation annually, which averages out to around 53mm per month. The wettest month is March, averaging 93mm of rainfall. October and April also tend to see above-average precipitation. The driest month is July, with just 13mm. That's 80mm 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. Light snowfall can occur between January and December, totalling around 47cm annually. January is the snowiest month with approximately 13cm.

Colmenar Viejo is relatively calm, with an average annual wind speed of 7km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is March, averaging 9km/h, though still comfortable for most outdoor activities. The calmest conditions occur in December, with average winds dropping to 6km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 3km/h between the calmest and windiest months.

It is currently summer in Colmenar Viejo, which began on June 21, 2026. Colmenar Viejo 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 31°C, while the coldest stretch bottoms out in January near 1°C. Autumn is next, beginning on September 23, 2026 (7 days from now).

The best time to visit Colmenar Viejo is during May, June, July, August and September, when the weather is most comfortable for travellers. During these months, average temperatures hover around 21°C with modest rainfall averaging 33mm per month. By contrast, January can be quite cold with temperatures dropping to 1°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 Colmenar Viejo 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.