August weather forecastPetruma, Finland
August
Weather in August
August, the last month of the summer in Petruma, is another comfortable month, with an average temperature fluctuating between 19.3°C (66.7°F) and 11.5°C (52.7°F).Temperature
The arrival of August marks a slight shift to an average high-temperature of a comfortable 19.3°C (66.7°F) from July's 21.2°C (70.2°F). Petruma's average low-temperature is measured at a cool 11.5°C (52.7°F) during August.Humidity
The average relative humidity in August is 75%.Rainfall
In August, the rain falls for 16.9 days. Throughout August, 57mm (2.24") of precipitation is accumulated. Throughout the year, there are 127.8 rainfall days, and 468mm (18.43") of precipitation is accumulated.Snowfall
In Petruma, snow does not fall in July and August.Daylight
The average length of the day in August is 16h and 0min.On the first day of August, sunrise is at 04:28 and sunset at 21:53. On the last day of the month, sunrise is at 05:51 and sunset at 20:18 EEST.
Sunshine
In Petruma, Finland, the average sunshine in August is 9h.UV index
In August, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the average person.Note: In August, a daily maximum UV index of 3 leads to the following instructions:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Petruma, Finland
- Average high temperature in August: 19.3°C
The warmest month (with the highest average high temperature) is July (21.2°C).
The month with the lowest average high temperature is January (-6.4°C).
- Average low temperature in August: 11.5°C
The month with the highest average low temperature is July (12.5°C).
The coldest month (with the lowest average low temperature) is January (-10.4°C).
Average pressure in August
Petruma, Finland
- Average pressure in August: 1012.9mbar
The month with the highest atmospheric pressure is May (1014.7mbar).
The month with the lowest atmospheric pressure is December (1008.6mbar).
Average wind speed in August
Petruma, Finland
- Average wind speed in August: 10.6km/h
The windiest months (with the highest average wind speed) are November and December (13.8km/h).
The calmest month (with the lowest average wind speed) is July (10.2km/h).
Average humidity in August
Petruma, Finland
- Average humidity in August: 75%
The month with the highest relative humidity is February (96%).
The months with the lowest relative humidity are May and June (68%).
Average rainfall in August
Petruma, Finland
- Average rainfall in August: 57mm
The wettest month (with the highest rainfall) is July (66mm).
The driest month (with the least rainfall) is April (26mm).
Average rainfall days in August
Petruma, Finland
- Average rainfall days in August: 16.9 days
The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is February (2 days).
Average snowfall in August
Petruma, Finland
- Average snowfall in August: 0mm
The month with the highest snowfall is March (202mm).
The months with the least snowfall are July and August (0mm).
Average snowfall days in August
Petruma, Finland
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is December (22.3 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in August /
Average sunshine in August
Petruma, Finland
- Average daylight in August: 16h and 0min
The month with the longest days is June (Average daylight: 19h and 48min).
The month with the shortest days is December (Average daylight: 5h and 12min).
- Average sunshine in August: 9h and 0min
The month with the most sunshine is June (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 0h and 36min).
Average sunshine days in August
Petruma, Finland
- Average sunshine days in August: 12.2 days
The month with the most sunshine days is May (15 days).
The month with the least sunshine days is February (7.7 days).
Average UV index in August
Petruma, Finland
- Average UV index in August: 3
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 1).
Average cloud cover in August
Petruma, Finland
- Average cloud cover in August: 45
The month with the most cloud cover is February (Cloud cover 84).
The month with the least cloud cover is July (Cloud cover 42).
Average visibility in August
Petruma, Finland
- Average visibility in August: 9km
The months with the highest visibility are May, June, July and August (9km).
The months with the lowest visibility are January and February (5km).





