Climate Insights for San Mateo de Gállego

The climate in San Mateo de Gállego is temperate. The average annual temperature is 17°C and approximately 394mm of precipitation falls per year. November is the wettest month, receiving around 49mm of rainfall. San Mateo de Gállego 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, December, February, when temperatures can drop to 3°C.

Temperatures in San Mateo de Gállego vary considerably across the year, with a 32°C difference between the coldest and warmest months. The warmest month is July, when average highs reach 35°C and the mean temperature sits around 27°C. January is the coolest month, with minimum temperatures around 3°C and an average of 7°C. On average, daily temperatures fluctuate by about 12°C between overnight lows and afternoon highs. The sharpest temperature change occurs between October and November, with a 6°C shift in average temperatures.

San Mateo de Gállego is a quite dry location, receiving approximately 394mm of precipitation annually, which averages out to around 33mm per month. The wettest month is November, averaging 49mm of rainfall. October and April also tend to see above-average precipitation. The driest month is July, with just 17mm. That's 32mm less than November, the wettest month. Precipitation varies noticeably between seasons, with the first half (January to June) of the year generally seeing more rainfall.

San Mateo de Gállego 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 July, averaging 24km/h, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in December, with average winds dropping to 16km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 8km/h gap between the calmest and windiest months. Wind tends to pick up during the summer months. The seasonal averages are 19km/h in winter, 23km/h in spring, 23km/h in summer, 19km/h in autumn.

It is currently spring in San Mateo de Gállego, which began on March 20, 2026. San Mateo de Gállego 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 35°C, while the coldest stretch bottoms out in January near 3°C. Summer is next, beginning on June 21, 2026 — 87 days from now.

The best time to visit San Mateo de Gállego is during April, May, June, September and October, when the weather is most comfortable for travellers. During these months, average temperatures hover around 19°C with modest rainfall averaging 37mm per month. By contrast, July can be uncomfortably hot with highs reaching 35°C, while January is the coldest period with lows dropping to 3°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 San Mateo de Gállego 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.