August weather forecastHeby, Sweden
August
Weather in August
August, the last month of the summer in Heby, is another pleasant month, with an average temperature fluctuating between 21.2°C (70.2°F) and 11.6°C (52.9°F).Temperature
During August, Heby records an average high-temperature of a still pleasant 21.2°C (70.2°F), marking a slight divergence from July's 22.2°C (72°F). Heby registers a consistent average low-temperature of 11.6°C (52.9°F) during August.Humidity
In Heby, Sweden, the average relative humidity in August is 75%.Rainfall
In Heby, Sweden, in August, during 17 rainfall days, 37mm (1.46") of precipitation is typically accumulated. Throughout the year, there are 138.7 rainfall days, and 389mm (15.31") of precipitation is accumulated.Snowfall
June through September are months without snowfall in Heby, Sweden.Daylight
In August, the average length of the day is 15h and 34min.On the first day of August in Heby, Sweden, sunrise is at 04:35 and sunset at 21:22. On the last day of the month, sunrise is at 05:46 and sunset at 19:58 CEST.
Sunshine
In Heby, the average sunshine in August is 9h.UV index
In August, the average daily maximum UV index in Heby is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the average person.Note: In August, the maximum UV index of 4 transforms into these recommendations:
Be vigilant - A duty to shield skin and eyes from injury exists. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Heby, Sweden
- Average high temperature in August: 21.2°C
The warmest month (with the highest average high temperature) is July (22.2°C).
The month with the lowest average high temperature is January (-1.5°C).
- Average low temperature in August: 11.6°C
The month with the highest average low temperature is July (12.2°C).
The coldest month (with the lowest average low temperature) is January (-5.4°C).
Average pressure in August
Heby, Sweden
- Average pressure in August: 1012.3mbar
The month with the highest atmospheric pressure is May (1014.6mbar).
The month with the lowest atmospheric pressure is December (1007.4mbar).
Average wind speed in August
Heby, Sweden
- Average wind speed in August: 9.9km/h
The windiest month (with the highest average wind speed) is December (12.4km/h).
The calmest month (with the lowest average wind speed) is August (9.9km/h).
Average humidity in August
Heby, Sweden
- Average humidity in August: 75%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is May (69%).
Average rainfall in August
Heby, Sweden
- Average rainfall in August: 37mm
The wettest month (with the highest rainfall) is July (54mm).
The driest month (with the least rainfall) is April (19mm).
Average rainfall days in August
Heby, Sweden
- Average rainfall days in August: 17 days
The month with the highest number of rainy days is July (18.5 days).
The month with the least rainy days is February (5.4 days).
Average snowfall in August
Heby, Sweden
- Average snowfall in August: 0mm
The month with the highest snowfall is January (133mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in August
Heby, Sweden
- 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
Heby, Sweden
- Average daylight in August: 15h and 36min
The month with the longest days is June (Average daylight: 18h and 42min).
The month with the shortest days is December (Average daylight: 6h and 6min).
- Average sunshine in August: 9h and 0min
The month with the most sunshine is June (Average sunshine: 11h and 42min).
The month with the least sunshine is December (Average sunshine: 2h and 18min).
Average sunshine days in August
Heby, Sweden
- Average sunshine days in August: 12.1 days
The month with the most sunshine days is October (16.9 days).
The month with the least sunshine days is July (10.4 days).
Average UV index in August
Heby, Sweden
- 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 and November (UV index 1).
Average cloud cover in August
Heby, Sweden
- Average cloud cover in August: 45
The month with the most cloud cover is February (Cloud cover 69).
The month with the least cloud cover is July (Cloud cover 44).
Average visibility in August
Heby, Sweden
- Average visibility in August: 9km
The months with the highest visibility are April, May, June, July and August (9km).
The months with the lowest visibility are January, February, March, November and December (7km).





