August weather forecastVallentuna, Sweden
August
Weather in August
The last month of the summer, August, is another pleasant month in Vallentuna, Sweden, with an average temperature ranging between max 20.6°C (69.1°F) and min 12.8°C (55°F).Temperature
August brings an average high-temperature of a still pleasant 20.6°C (69.1°F), nearly identical to the preceding month. August witnesses an average nighttime temperature of 12.8°C (55°F) in Vallentuna.Humidity
The average relative humidity in August is 76%.Rainfall
In Vallentuna, Sweden, in August, it is raining for 17.7 days, with typically 45mm (1.77") of accumulated precipitation. In Vallentuna, during the entire year, the rain falls for 147.2 days and collects up to 402mm (15.83") of precipitation.Snowfall
June through September are months without snowfall.Daylight
In Vallentuna, the average length of the day in August is 15h and 30min.On the first day of the month, sunrise is at 04:33 and sunset at 21:15. On the last day of August, in Vallentuna, sunrise is at 05:42 and sunset at 19:52 CEST.
Sunshine
The average sunshine in August in Vallentuna, Sweden, is 9.6h.UV index
The average daily maximum UV index in August is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the average person.Note: In August, a daily UV index of 4 turns into the following recommendations:
Put precautions into practice - Guidance to elude sunburn is provided. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Vallentuna, Sweden
- Average high temperature in August: 20.6°C
The warmest month (with the highest average high temperature) is July (21.3°C).
The month with the lowest average high temperature is January (-0.7°C).
- Average low temperature in August: 12.8°C
The month with the highest average low temperature is July (12.9°C).
The coldest month (with the lowest average low temperature) is January (-3.9°C).
Average pressure in August
Vallentuna, Sweden
- Average pressure in August: 1012.7mbar
The month with the highest atmospheric pressure is May (1014.8mbar).
The month with the lowest atmospheric pressure is December (1007.7mbar).
Average wind speed in August
Vallentuna, Sweden
- Average wind speed in August: 12.2km/h
The windiest month (with the highest average wind speed) is December (17.7km/h).
The calmest months (with the lowest average wind speed) are July and August (12.2km/h).
Average humidity in August
Vallentuna, Sweden
- Average humidity in August: 76%
The months with the highest relative humidity are January, February and December (88%).
The month with the lowest relative humidity is May (71%).
Average rainfall in August
Vallentuna, Sweden
- Average rainfall in August: 45mm
The wettest month (with the highest rainfall) is July (55mm).
The driest month (with the least rainfall) is April (17mm).
Average rainfall days in August
Vallentuna, Sweden
- Average rainfall days in August: 17.7 days
The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is February (5.3 days).
Average snowfall in August
Vallentuna, Sweden
- Average snowfall in August: 0mm
The month with the highest snowfall is February (105mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in August
Vallentuna, Sweden
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (13.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Vallentuna, Sweden
- Average daylight in August: 15h and 30min
The month with the longest days is June (Average daylight: 18h and 36min).
The month with the shortest days is December (Average daylight: 6h and 12min).
- Average sunshine in August: 9h and 36min
The month with the most sunshine is June (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 2h and 24min).
Average sunshine days in August
Vallentuna, Sweden
- Average sunshine days in August: 9.9 days
The month with the most sunshine days is April (14.3 days).
The month with the least sunshine days is August (9.9 days).
Average UV index in August
Vallentuna, Sweden
- 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 and February (UV index 1).
Average cloud cover in August
Vallentuna, Sweden
- Average cloud cover in August: 39
The months with the most cloud cover are January and February (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 39).
Average visibility in August
Vallentuna, Sweden
- Average visibility in August: 9km
The months with the highest visibility are April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February and March (8km).
