Harjavalta Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Harjavalta.
Climate overview of Harjavalta
Temperatures in Harjavalta, Western Finland, Finland, vary greatly throughout the year. July is the hottest month at 23°C (73°F), while February is the coldest at -1°C (30°F).
Annual rain/snowfall is moderate at around 711 mm (28 in), with July being the wettest month. The city also has a distinct dry season from March to April, with warm summers and very cold winters.
Harjavalta Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Harjavalta - and find the best time to visit.
Monthly Temperature in Harjavalta
The climate in Harjavalta is known for significant temperature differences throughout the year, making the weather dynamic. Average daytime temperatures reach a comfortable 23°C (73°F) in July. In February, the coolest month of the year, temperatures drop to a very cold -1°C (30°F).
At night, temperatures range from around 12°C (54°F) in July to -8°C (18°F) in February.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Harjavalta
Generally, Harjavalta receives mid-range precipitation levels, with 711 mm (28 in) annually. Harjavalta can be quite wet during July, receiving approximately 90 mm (3.5 in) of precipitation over 15 rainy days.
In contrast, during the driest month (March), you will experience much drier conditions, with 39 mm (1.5 in) of precipitation spread across 15 snowy/rainy days. For more details, please visit our Harjavalta Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Best Time to Visit Harjavalta
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: June, July and August
- Warmest weather: July and August
- Fewest rainy days: April, May and June
- Seasonal pattern: A distinct dry season from March to April, with warm summers and very cold winters
- Coldest conditions: February, with freezing nights around -8°C (18°F).
Frequently asked questions about the climate in Harjavalta
What is the best time to visit Harjavalta?
June, July and August typically offer the most optimal weather in Harjavalta. In contrast, January, February, March, April, October, November and December tend to have less optimal conditions. Harjavalta has a distinct dry season from March to April, with warm summers and very cold winters.
What temperatures can I expect in Harjavalta?
Daytime highs range from -1°C (30°F) in February to 23°C (73°F) in July. Nighttime lows range from -8°C (18°F) to 12°C (54°F). Temperatures vary considerably through the year.
How much rain does Harjavalta get?
Annual rainfall is around 711 mm (28 in). July is the wettest month with 90 mm (3.5 in), while March is the driest with 39 mm (1.5 in).
Harjavalta 3-Day Forecast
Harjavalta 3-Day Forecast
Harjavalta on the map
Harjavalta is highlighted - select any city to see its climate.
Popular this month
Where to go in July - average daytime high across popular destinations.
Helsinki
23°C (73°F) Tampere
22°C (72°F) Turku23°C (73°F) Vuokatti21°C (70°F) Rovaniemi21°C (70°F) Äkäslompolo20°C (68°F) Ruka20°C (68°F) Levi20°C (68°F) 
Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
Air Guitar World Championship Finland
This is something you might want to add to your bucket list. August is also the perfect time to visit Finland. The days are long and the temperature is amazing.
Sleeping in a glass iglo in Finland
Sleeping in a glass igloo with the Northern Lights shining above you. The most famous place is in the Iglo village in Kakslattaunen. The idea is amazing and definitely something to add to your bucket list.
See the northern lights
The northern lights, polar light or Aarora Borealis is a true spectacle of nature! Green, sometimes purple, red and yellow streaks of light colors the dark skies.