Weather in July
Temperature
July is Helsinki's warmest month, registering average high temperatures of 21.5°C (70.7°F) and lows of 14.2°C (57.6°F).Rainfall
In July, the rain falls for 12 days. Throughout July, 63mm (2.48") of precipitation is accumulated. Throughout the year, there are 182 rainfall days, and 655mm (25.79") of precipitation is accumulated.Snowfall
In Helsinki, Finland, snow does not fall in April through October.Sea temperature
In July, the average sea temperature in Helsinki, Finland, is 15°C (59°F).Note: For the majority of people, swimming in water at 15°C (59°F) is not enjoyable. The challenge of controlling breathing escalates as the temperature decreases from 21°C (69.8°F) to 15°C (59°F).
Daylight
The average length of the day in July is 17h and 59min.On the first day of July, sunrise is at 04:01 and sunset at 22:47. On the last day of the month, sunrise is at 04:58 and sunset at 21:54 EEST.
Sunshine
In Helsinki, the average sunshine in July is 9.4h.UV index
The months with the highest UV index are June and July, with an average maximum UV index of 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.Note: The average daily UV index of 5 in July transforms into the following instructions:
Undertake protective steps - Preventing sun damage is advised. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
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Average temperature in July
Helsinki, Finland
- Average high temperature in July: 21.5°C
The warmest month (with the highest average high temperature) is July (21.5°C).
The month with the lowest average high temperature is February (-1.9°C).
- Average low temperature in July: 14.2°C
The month with the highest average low temperature is July (14.2°C).
The coldest month (with the lowest average low temperature) is February (-7.4°C).
Average rainfall in July
Helsinki, Finland
- Average rainfall in July: 63mm
The wettest month (with the highest rainfall) is August (80mm).
The driest month (with the least rainfall) is April (32mm).
Average rainfall days in July
Helsinki, Finland
- Average rainfall days in July: 12 days
The month with the highest number of rainy days is December (20 days).
The months with the least rainy days are April and May (11 days).
Average snowfall in July
Helsinki, Finland
- Average snowfall in July: 0mm
The month with the highest snowfall is February (230mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average sea temperature in July
Helsinki, Finland
- Average sea temperature in July: 15°C
The best month for swimming (with the highest average sea temperature) is August (16°C).
The coldest months (with the lowest average sea temperature) are February and March (1°C).
Average daylight in July /
Average sunshine in July
Helsinki, Finland
- Average daylight in July: 18h and 0min
The month with the longest days is June (Average daylight: 18h and 48min).
The month with the shortest days is December (Average daylight: 6h and 0min).
- Average sunshine in July: 9h and 2min
The month with the most sunshine is June (Average sunshine: 9h and 54min).
The month with the least sunshine is December (Average sunshine: 0h and 54min).
Average UV index in July
Helsinki, Finland
- Average UV index in July: 5
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 0).
Helsinki, Finland
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