Contents
- Weather in August
- Frequently asked questions
- Average temperature in August
- Average pressure in August
- Average wind speed in August
- Average humidity in August
- Average rainfall in August
- Average rainfall days in August
- Average snowfall in August
- Average snowfall days in August
- Average daylight in August
- Average sunshine in August
- Average sunshine days in August
- Average UV index in August
- Average cloud cover in August
- Average visibility in August
August
Weather in August
Temperature
The transition into August shows a subtle variation to a refreshing 19.7°C (67.5°F) from July's 20.4°C (68.7°F) in the average high-temperature. Illoinen cools down to an average low-temperature of 13.8°C (56.8°F) throughout the month of August.Humidity
The average relative humidity in August in Illoinen is 75%.Rainfall
In Illoinen, during August, the rain falls for 14.5 days and regularly aggregates up to 38mm (1.5") of precipitation. Throughout the year, there are 134.6 rainfall days, and 394mm (15.51") of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in August in Illoinen is 15h and 38min.On the first day of the month, sunrise is at 05:10 and sunset at 22:04. On the last day of August, sunrise is at 06:24 and sunset at 20:38 EEST.
Sunshine
In August, the average sunshine is 9.9h.UV index
The months with the highest UV index are June through August, with an average maximum UV index of 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: A typical high UV index of 5 in August suggests the following recommendations:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are August temperatures in Illoinen?
What is the average humidity in August in Illoinen?
How many days does it rain in August in Illoinen?
When it does not snow in Illoinen?
How many hours of daylight does Illoinen have in August?
What time are sunrise and sunset in August in Illoinen?
How long on average sun shines in August in Illoinen?
When is the highest UV index in Illoinen?
How high is the UV index in August in Illoinen?
Average temperature in August
Illoinen, Finland
- Average high temperature in August: 19.7°C
The warmest month (with the highest average high temperature) is July (20.4°C).
The month with the lowest average high temperature is January (-1.9°C).
- Average low temperature in August: 13.8°C
The months with the highest average low temperature are July and August (13.8°C).
The coldest month (with the lowest average low temperature) is February (-5.6°C).
Average pressure in August
Illoinen, Finland
- Average pressure in August: 1012.9mbar
The month with the highest atmospheric pressure is May (1014.9mbar).
The month with the lowest atmospheric pressure is December (1007.6mbar).
Average wind speed in August
Illoinen, Finland
- Average wind speed in August: 14.3km/h
The windiest month (with the highest average wind speed) is December (20.4km/h).
The calmest month (with the lowest average wind speed) is July (13.9km/h).
Average humidity in August
Illoinen, Finland
- Average humidity in August: 75%
The month with the highest relative humidity is February (91%).
The month with the lowest relative humidity is May (71%).
Average rainfall in August
Illoinen, Finland
- Average rainfall in August: 38mm
The wettest month (with the highest rainfall) is July (49mm).
The driest month (with the least rainfall) is April (19mm).
Average rainfall days in August
Illoinen, Finland
- Average rainfall days in August: 14.5 days
The month with the highest number of rainy days is July (15.1 days).
The month with the least rainy days is February (5.2 days).
Average snowfall in August
Illoinen, Finland
- Average snowfall in August: 0mm
The month with the highest snowfall is January (103mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in August
Illoinen, Finland
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (13.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Illoinen, Finland
- Average daylight in August: 15h and 4min
The month with the longest days is June (Average daylight: 18h and 54min).
The month with the shortest days is December (Average daylight: 5h and 54min).
- Average sunshine in August: 9h and 5min
The month with the most sunshine is July (Average sunshine: 11h and 30min).
The month with the least sunshine is December (Average sunshine: 1h and 54min).
Average sunshine days in August
Illoinen, Finland
- Average sunshine days in August: 13.8 days
The month with the most sunshine days is May (17.2 days).
The month with the least sunshine days is December (9.6 days).
Average UV index in August
Illoinen, Finland
- Average UV index in August: 5
The months with the highest UV index are June, July and August (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
Illoinen, Finland
- Average cloud cover in August: 36
The month with the most cloud cover is December (Cloud cover 71).
The months with the least cloud cover are July and August (Cloud cover 36).
Average visibility in August
Illoinen, Finland
- Average visibility in August: 10km
The months with the highest visibility are May, June, July, August and September (10km).
The months with the lowest visibility are February and March (8km).
