August weather forecastHarjavalta, Finland
August
Weather in August
The last month of the summer, August, is another refreshing month in Harjavalta, Finland, with temperature in the range of an average high of 19.8°C (67.6°F) and an average low of 12.8°C (55°F).Temperature
August's weather displays an average high-temperature of an enjoyable 19.8°C (67.6°F), slightly varied from July's 20.7°C (69.3°F). An average nighttime temperature of 12.8°C (55°F) is recorded during August.Humidity
The average relative humidity in August is 74%.Rainfall
In Harjavalta, Finland, in August, it is raining for 16.9 days, with typically 51mm (2.01") of accumulated precipitation. Throughout the year, in Harjavalta, there are 154.3 rainfall days, and 508mm (20") of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
In August, the average length of the day in Harjavalta is 15h and 47min.On the first day of the month, sunrise is at 05:04 and sunset at 22:11. On the last day of August, sunrise is at 06:21 and sunset at 20:41 EEST.
Sunshine
In Harjavalta, the average sunshine in August is 9.9h.UV index
The average daily maximum UV index in August in Harjavalta is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the ordinary person.Note: A typical high UV index of 4 in August suggests the following recommendations:
Adopt protective measures - Suggestions to resist sunburn are offered. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Harjavalta, Finland
- Average high temperature in August: 19.8°C
The warmest month (with the highest average high temperature) is July (20.7°C).
The month with the lowest average high temperature is January (-2.3°C).
- Average low temperature in August: 12.8°C
The month with the highest average low temperature is July (13.4°C).
The coldest month (with the lowest average low temperature) is January (-6°C).
Average pressure in August
Harjavalta, Finland
- Average pressure in August: 1012.4mbar
The month with the highest atmospheric pressure is May (1014.7mbar).
The month with the lowest atmospheric pressure is December (1006.8mbar).
Average wind speed in August
Harjavalta, Finland
- Average wind speed in August: 13km/h
The windiest month (with the highest average wind speed) is December (16.6km/h).
The calmest month (with the lowest average wind speed) is July (12.6km/h).
Average humidity in August
Harjavalta, Finland
- Average humidity in August: 74%
The month with the highest relative humidity is February (92%).
The month with the lowest relative humidity is May (69%).
Average rainfall in August
Harjavalta, Finland
- Average rainfall in August: 51mm
The wettest month (with the highest rainfall) is July (63mm).
The driest months (with the least rainfall) are March and April (31mm).
Average rainfall days in August
Harjavalta, Finland
- Average rainfall days in August: 16.9 days
The month with the highest number of rainy days is July (17.6 days).
The month with the least rainy days is February (5.8 days).
Average snowfall in August
Harjavalta, Finland
- Average snowfall in August: 0mm
The month with the highest snowfall is February (163mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in August
Harjavalta, Finland
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (17.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Harjavalta, Finland
- Average daylight in August: 15h and 48min
The month with the longest days is June (Average daylight: 19h and 12min).
The month with the shortest days is December (Average daylight: 5h and 36min).
- Average sunshine in August: 9h and 54min
The month with the most sunshine is June (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 2h and 0min).
Average sunshine days in August
Harjavalta, Finland
- Average sunshine days in August: 10.8 days
The month with the most sunshine days is May (14.2 days).
The month with the least sunshine days is November (8.5 days).
Average UV index in August
Harjavalta, Finland
- Average UV index in August: 4
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, March and December (UV index 1).
Average cloud cover in August
Harjavalta, Finland
- Average cloud cover in August: 38
The months with the most cloud cover are January, February and December (Cloud cover 71).
The months with the least cloud cover are July and August (Cloud cover 38).
Average visibility in August
Harjavalta, Finland
- Average visibility in August: 9km
The month with the highest visibility is June (10km).
The month with the lowest visibility is February (7km).
