August weather forecastKastu, Finland
August
Weather in August
August, the last month of the summer in Kastu, is another comfortable month, with an average temperature varying between 19.7°C (67.5°F) and 13.8°C (56.8°F).Temperature
Kastu, Finland, observes a minor difference in average high-temperatures between July's 20.4°C (68.7°F) and August's 19.7°C (67.5°F). In August, Kastu reports a consistent average low-temperature of 13.8°C (56.8°F) during the nights.Humidity
The average relative humidity in August is 75%.Rainfall
In August, in Kastu, the rain falls for 14.5 days. Throughout August, 38mm (1.5") of precipitation is accumulated. Throughout the year, in Kastu, there are 133.7 rainfall days, and 390mm (15.35") of precipitation is accumulated.Snowfall
In Kastu, snow does not fall in June through September.Daylight
The average length of the day in August 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 06:23 and sunset at 20:38 EEST.
Sunshine
The average sunshine in August 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 of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 5 in August converts into the following recommendations:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. The solar radiation around mid-day is intense; avoid the Sun and stay safe. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Kastu, 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
Kastu, 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
Kastu, 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
Kastu, 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
Kastu, 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
Kastu, 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
Kastu, 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
Kastu, 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
Kastu, Finland
- Average daylight in August: 15h and 36min
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 54min
The month with the most sunshine is July (Average sunshine: 11h and 30min).
The month with the least sunshine is December (Average sunshine: 2h and 0min).
Average sunshine days in August
Kastu, 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
Kastu, 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
Kastu, 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
Kastu, 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).
