Climate Insights for Vihti

The climate in Vihti is hot. The average annual temperature is 25°C and approximately 305mm of precipitation falls per year. December is the wettest month, receiving around 33mm of rainfall. Vihti is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: April, June, March. The coldest months are March, April, January, when temperatures can drop to 19°C.

Vihti has relatively stable temperatures year-round, staying within a 10°C range. The warmest month is April, when average highs reach 29°C and the mean temperature sits around 24°C. March is the coolest month, with minimum temperatures around 19°C and an average of 23°C. Daily temperature variation is modest, with an average difference of 3°C between highs and lows. The sharpest temperature change occurs between April and May, with a 3°C shift in average temperatures.

Vihti is a quite dry location, receiving approximately 305mm of precipitation annually, which averages out to around 25mm per month. The wettest month is April, averaging 33mm of rainfall. May and July also tend to see above-average precipitation. The driest month is March, with just 0mm. That's 33mm less than April, 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.

Vihti is relatively calm, with an average annual wind speed of 6km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is August, averaging 10km/h, though still comfortable for most outdoor activities. The calmest conditions occur in March, with average winds dropping to 2km/h, making it an ideal period for wind-sensitive activities. Wind speeds vary significantly across the year, with a 8km/h difference between the calmest and windiest months. This level of variation is worth factoring into travel plans. Wind tends to pick up during the summer months. The seasonal averages are 7km/h in winter, 5km/h in spring, 9km/h in summer, 4km/h in autumn.

It is currently summer in Vihti, which began on June 21, 2026. Vihti 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 April at around 29°C, while the coldest stretch bottoms out in March near 19°C. Autumn is next, beginning on September 23, 2026 — 18 days from now.

The best time to visit Vihti is during January, February, March, April, October and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 24°C with modest rainfall averaging 19mm per month. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.

The table below shows monthly climate averages for Vihti 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.