Climate Insights for Barruelo de Santullán

The climate in Barruelo de Santullán is temperate. The average annual temperature is 10°C and approximately 1060mm of precipitation falls per year. Barruelo de Santullán receives a notable amount of rainfall throughout the year, including during its driest month. Barruelo de Santullán 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 0°C. Snowfall occurs from January to December, with around 83cm accumulating over the season.

Temperatures in Barruelo de Santullán vary considerably across the year, with a 23°C difference between the coldest and warmest months. August is the warmest month, though highs remain moderate at 23°C with a mean of 17°C. The coldest month is January, when overnight lows fall to 0°C and the daily average is 3°C. On average, daily temperatures fluctuate by about 9°C between overnight lows and afternoon highs. The sharpest temperature change occurs between October and November, with a 5°C shift in average temperatures.

Barruelo de Santullán is a moderately rainy area, receiving approximately 1060mm of precipitation annually, which averages out to around 88mm per month. The wettest month is June, averaging 124mm of rainfall. April and May also tend to see above-average precipitation. The driest month is July, with just 69mm. That's 55mm less than June, the wettest month. Rainfall is relatively evenly distributed throughout the year, so there is no pronounced dry or wet season to plan around. Snowfall is a regular feature from January to December, with around 83cm accumulating over the season. February typically sees the most snow at around 26cm.

Barruelo de Santullán 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 March, averaging 13km/h, though still comfortable for most outdoor activities. The calmest conditions occur in July, with average winds dropping to 9km/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. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 11km/h in winter, 12km/h in spring, 9km/h in summer, 11km/h in autumn.

It is currently spring in Barruelo de Santullán, which began on March 20, 2026. Barruelo de Santullán 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 23°C, while the coldest stretch bottoms out in January near 0°C. Summer is next, beginning on June 21, 2026 — 89 days from now.

The best time to visit Barruelo de Santullán is during July and August, when the weather is most comfortable for travellers. During these months, average temperatures hover around 17°C with modest rainfall averaging 69mm per month. By contrast, January can be quite cold with temperatures dropping to 0°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 Barruelo de Santullán 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.