Climate Overview
The climate in Mondim de Basto is temperate. The average annual temperature is 13°C and approximately 1454mm of precipitation falls per year. October is the wettest month, receiving around 207mm of rainfall. Mondim de Basto 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, December, when temperatures can drop to 3°C.
Temperature
Temperatures in Mondim de Basto vary considerably across the year, with a 24°C difference between the coldest and warmest months. The warmest month is August, when average highs reach 27°C and the mean temperature sits around 20°C. January is the coolest month, with minimum temperatures around 3°C and an average of 6°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 4°C shift in average temperatures.
Precipitation
Mondim de Basto is a fairly wet location, receiving approximately 1454mm of precipitation annually, which averages out to around 121mm per month. The wettest month is October, averaging 207mm of rainfall. December and November also tend to see above-average precipitation. The driest month is July, with just 15mm. That's 192mm less than October, 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
Mondim de Basto is mildly breezy, with an average annual wind speed of 14km/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 15km/h, though still comfortable for most outdoor activities. The calmest conditions occur in September, with average winds dropping to 13km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 2km/h between the calmest and windiest months.
Seasons
89 days until Summer
It is currently spring in Mondim de Basto, which began on March 20, 2026. Mondim de Basto 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 27°C, while the coldest stretch bottoms out in January near 3°C. Summer is next, beginning on June 21, 2026 — 89 days from now.
Spring
Temperatures range from 5 to 20°C. Rainfall is heavy, totalling around 378mm across the season with a monthly average of 126mm. Winds are generally light, averaging 14km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 12 to 27°C. Rainfall is relatively light, with around 97mm over the season and a monthly average of 32mm. Winds are generally light, averaging 13km/h. Comfortable clothing with a light layer for cooler evenings is all you need.
Autumn
Temperatures range from 7 to 23°C. Rainfall is heavy, totalling around 465mm across the season with a monthly average of 155mm. Winds are generally light, averaging 13km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 3 to 12°C. Rainfall is heavy, totalling around 514mm across the season with a monthly average of 171mm. Winds are generally light, averaging 14km/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 Mondim de Basto is during June, July, August and September, when the weather is most comfortable for travellers. During these months, average temperatures hover around 19°C with modest rainfall averaging 43mm per month. By contrast, January can be quite cold with temperatures dropping to 3°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 Mondim de Basto 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.
