Climate Insights for Hämeenlinna

The climate in Hämeenlinna is cool. The average annual temperature is 6°C and approximately 711 mm of precipitation falls per year. Hämeenlinna receives a notable amount of rainfall throughout the year, including during its driest month. Hämeenlinna is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: July, June, August. The coldest months are January, February, March, when temperatures can drop to -7°C. Snowfall occurs from January to December, with around 179cm accumulating over the season.The climate in Hämeenlinna is cool. The average annual temperature is 43°F and approximately 28 in of precipitation falls per year. Hämeenlinna receives a notable amount of rainfall throughout the year, including during its driest month. Hämeenlinna is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: July, June, August. The coldest months are January, February, March, when temperatures can drop to 19°F. Snowfall occurs from January to December, with around 70in accumulating over the season.

Temperatures in Hämeenlinna vary considerably across the year, with a 28°C difference between the coldest and warmest months. July is the warmest month, though highs remain moderate at 21°C with a mean of 18°C. The coldest month is January, when overnight lows fall to -7°C and the daily average is -5°C. Daily temperature variation is modest, with an average difference of 7°C between highs and lows. The sharpest temperature change occurs between April and May, with a 7°C shift in average temperatures.Temperatures in Hämeenlinna vary considerably across the year, with a 51°F difference between the coldest and warmest months. July is the warmest month, though highs remain moderate at 70°F with a mean of 64°F. The coldest month is January, when overnight lows fall to 19°F and the daily average is 23°F. Daily temperature variation is modest, with an average difference of 12°F between highs and lows. The sharpest temperature change occurs between April and May, with a 13°F shift in average temperatures.

Hämeenlinna is a relatively dry area, receiving approximately 711 mm of precipitation annually, which averages out to around 59 mm per month. The wettest month is July, averaging 89 mm of rainfall. August and June also tend to see above-average precipitation. The driest month is March, with just 37 mm. That's 52 mm less than July, 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 179cm accumulating over the season. January typically sees the most snow at around 44cm.Hämeenlinna is a relatively dry area, receiving approximately 28 in of precipitation annually, which averages out to around 2.3 in per month. The wettest month is July, averaging 3.5 in of rainfall. August and June also tend to see above-average precipitation. The driest month is March, with just 1.5 in. That's 2 in less than July, 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 70in accumulating over the season. January typically sees the most snow at around 17in.

Hämeenlinna is relatively calm, with an average annual wind speed of 12km/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 13km/h, though still comfortable for most outdoor activities. The calmest conditions occur in July, with average winds dropping to 10km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 3km/h between the calmest and windiest months.Hämeenlinna is mildly breezy, with an average annual wind speed of 7mph. For context, sustained winds below 7mph are generally light, while anything above 16mph is considered strong. The windiest month is January, averaging 8mph, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in July, with average winds dropping to 6mph, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 2mph between the calmest and windiest months.

The best time to visit Hämeenlinna is during June, July and August, when the weather is most comfortable for travellers. During these months, average temperatures hover around 16°C with modest rainfall averaging 83 mm per month. By contrast, January can be quite cold with temperatures dropping to -7°C. Despite being the best months overall, some rain is still likely. Pack a waterproof layer and plan a mix of indoor and outdoor activities.The best time to visit Hämeenlinna is during June, July and August, when the weather is most comfortable for travellers. During these months, average temperatures hover around 62°F with modest rainfall averaging 3.3 in per month. By contrast, January can be quite cold with temperatures dropping to 19°F. Despite being the best months overall, some rain is still likely. Pack a waterproof layer and plan a mix of indoor and outdoor activities.

The table below shows monthly climate averages for Hämeenlinna 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.The table below shows monthly climate averages for Hämeenlinna based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Fahrenheit (°F). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Snow is measured in inches (in) and reflects average monthly snowfall accumulation. Wind speed is the average sustained speed in miles per hour (mph). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.