Climate Overview
The climate in Vilanova i la Geltrú is temperate. The average annual temperature is 17°C and approximately 654mm of precipitation falls per year. October is the wettest month, receiving around 117mm of rainfall. Vilanova i la Geltrú 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 9°C.
Temperature
Vilanova i la Geltrú sees moderate temperature variation throughout the year, ranging from 9°C to 27°C. The warmest month is August, when average highs reach 27°C and the mean temperature sits around 25°C. January is the coolest month, with minimum temperatures around 9°C and an average of 11°C. Daily temperature variation is modest, with an average difference of 4°C between highs and lows. The sharpest temperature change occurs between October and November, with a 4°C shift in average temperatures.
Precipitation
Vilanova i la Geltrú is a relatively dry area, receiving approximately 654mm of precipitation annually, which averages out to around 54mm per month. The wettest month is October, averaging 117mm of rainfall. September and April also tend to see above-average precipitation. The driest month is July, with just 20mm. That's 97mm 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
Vilanova i la Geltrú is relatively calm, with an average annual wind speed of 4km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is January, averaging 5km/h, though still comfortable for most outdoor activities. The calmest conditions occur in August, with average winds dropping to 3km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 2km/h gap between the calmest and windiest months.
Seasons
3 days until Summer
It is currently spring in Vilanova i la Geltrú, which began on March 20, 2026. Vilanova i la Geltrú 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 9°C. Summer is next, beginning on June 21, 2026 — 3 days from now.
Spring
Temperatures range from 11 to 19°C. Rainfall is relatively light, with around 144mm over the season and a monthly average of 48mm. Winds are generally light, averaging 4km/h. Light layers work well as temperatures warm through the season — a great time to be outdoors.
Summer
Temperatures range from 20 to 27°C. Rainfall is relatively light, with around 85mm over the season and a monthly average of 28mm. Winds are generally light, averaging 3km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 13 to 24°C. Precipitation is moderate at around 271mm for the season, averaging 90mm per month. Winds are generally light, averaging 4km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 9 to 15°C. Precipitation is moderate at around 153mm for the season, averaging 51mm per month. Winds are generally light, averaging 5km/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 Vilanova i la Geltrú is during May, June, July, September and November, when the weather is most comfortable for travellers. During these months, average temperatures hover around 20°C with modest rainfall averaging 45mm per month. By contrast, August can be uncomfortably hot with highs reaching 27°C, while January is the coldest period with lows 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 Vilanova i la Geltrú 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.
