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 onset of August brings an average high-temperature of a comfortable 18°C (64.4°F), nearly matching the July temperature. The temperature lowers to an average of 11.2°C (52.2°F) during August nights.Humidity
The average relative humidity in August in Yli-Ii, Finland, is 77%.Rainfall
In Yli-Ii, during August, the rain falls for 14.3 days and regularly aggregates up to 41mm (1.61") of precipitation. In Yli-Ii, Finland, during the entire year, the rain falls for 117.3 days and collects up to 434mm (17.09") of precipitation.Snowfall
In Yli-Ii, snow does not fall in June through August.Daylight
In Yli-Ii, the average length of the day in August is 16h and 37min.On the first day of August in Yli-Ii, sunrise is at 04:12 and sunset at 22:33. On the last day of the month, sunrise is at 05:53 and sunset at 20:40 EEST.
Sunshine
In Yli-Ii, the average sunshine in August is 9.5h.UV index
In August, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: In August, the UV index of 4 transforms into the following advice:
Heed the precautions - It is counselled to guard against solar damage. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Experience reduced UV exposure by about half when donning a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Yli-Ii in August?
What is the average humidity in August in Yli-Ii?
How many days does it rain in August in Yli-Ii?
When it does not snow in Yli-Ii?
Does it snow in Yli-Ii in August?
How many hours of daylight does Yli-Ii have in August?
When are sunrise and sunset in August in Yli-Ii?
How many hours of sunshine does Yli-Ii have in August?
How high is the UV index in August in Yli-Ii?
Average temperature in August
Yli-Ii, Finland
- Average high temperature in August: 18°C
The warmest month (with the highest average high temperature) is July (20°C).
The month with the lowest average high temperature is January (-6.1°C).
- Average low temperature in August: 11.2°C
The month with the highest average low temperature is July (12.4°C).
The coldest month (with the lowest average low temperature) is January (-10.6°C).
Average pressure in August
Yli-Ii, Finland
- Average pressure in August: 1011.6mbar
The month with the highest atmospheric pressure is May (1014mbar).
The month with the lowest atmospheric pressure is December (1005.4mbar).
Average wind speed in August
Yli-Ii, Finland
- Average wind speed in August: 11.5km/h
The windiest month (with the highest average wind speed) is November (13.7km/h).
The calmest month (with the lowest average wind speed) is July (10.6km/h).
Average humidity in August
Yli-Ii, Finland
- Average humidity in August: 77%
The months with the highest relative humidity are January and February (95%).
The month with the lowest relative humidity is June (69%).
Average rainfall in August
Yli-Ii, Finland
- Average rainfall in August: 41mm
The wettest month (with the highest rainfall) is July (59mm).
The driest months (with the least rainfall) are April and September (25mm).
Average rainfall days in August
Yli-Ii, Finland
- Average rainfall days in August: 14.3 days
The month with the highest number of rainy days is July (15.8 days).
The month with the least rainy days is February (3.3 days).
Average snowfall in August
Yli-Ii, Finland
- Average snowfall in August: 0mm
The month with the highest snowfall is March (232mm).
The months with the least snowfall are June, July and August (0mm).
Average snowfall days in August
Yli-Ii, Finland
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (21.4 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in August /
Average sunshine in August
Yli-Ii, Finland
- Average daylight in August: 16h and 4min
The month with the longest days is June (Average daylight: 22h and 6min).
The month with the shortest days is December (Average daylight: 3h and 36min).
- Average sunshine in August: 9h and 3min
The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is December (Average sunshine: 1h and 0min).
Average sunshine days in August
Yli-Ii, Finland
- Average sunshine days in August: 14.4 days
The month with the most sunshine days is June (17 days).
The month with the least sunshine days is December (7.4 days).
Average UV index in August
Yli-Ii, Finland
- Average UV index in August: 4
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
Yli-Ii, Finland
- Average cloud cover in August: 44
The month with the most cloud cover is February (Cloud cover 77).
The month with the least cloud cover is July (Cloud cover 43).
Average visibility in August
Yli-Ii, Finland
- Average visibility in August: 9km
The month with the highest visibility is June (10km).
The months with the lowest visibility are January, February and March (6km).
