August weather forecast
Alster, Sweden

August

Weather in August

The last month of the summer, August, is another comfortable month in Alster, Sweden, with an average temperature ranging between min 13.2°C (55.8°F) and max 19.8°C (67.6°F).

Temperature

Alster indicates an average high-temperature of an enjoyable 19.8°C (67.6°F) in August, showing minor variation from July's 20.8°C (69.4°F). During August, the nighttime temperature averages to a mild 13.2°C (55.8°F).

Humidity

The average relative humidity in August is 76%.

Rainfall

In Alster, in August, during 17 rainfall days, 56mm (2.2") of precipitation is typically accumulated. In Alster, during the entire year, the rain falls for 151 days and collects up to 477mm (18.78") of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

The average length of the day in August is 15h and 29min.
On the first day of the month, sunrise is at 04:51 and sunset at 21:31. On the last day of August, sunrise is at 06:01 and sunset at 20:10 CEST.

Sunshine

In Alster, the average sunshine in August is 9.4h.

UV index

In August, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for average individuals.
Note: In August, a regular UV index of 4 translates into these guidelines:
Act with care - The suggestion to avoid sunburn is emphasized. Around midday, solar radiation is most harmful; hence, exposure should be limited. To cut down UV radiation exposure by about half, sport a wide-brim hat.

Frequently asked questions

What is the usual temperature for Alster in August?
August temperatures vary between a high-temperature of 19.8°C (67.6°F) and a low-temperature of 13.2°C (55.8°F).
What is the average humidity in August?
In Alster, the average relative humidity in August is 76%.
How much does it rain in August?
In Alster, in August, during 17 rainfall days, 56mm (2.2") of precipitation is typically accumulated.
When it does not snow?
June through September are months without snowfall in Alster.
What is the average length of the day in August in Alster?
In Alster, the average day length in August is 15h and 29min.
When is the sunrise / sunset in August?
In August, on the first day of the month, sunrise is at 04:51 and sunset at 21:31. On the last day of the month, sunrise is at 06:01 and sunset at 20:10 CEST.
How long on average sun shines in August?
The average sunshine duration in August is 9.4h.
What is the UV index reading in August?
In August, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a moderate health threat from unsafe exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in August
Alster, Sweden
  • Average high temperature in August: 19.8°C

The warmest month (with the highest average high temperature) is July (20.8°C).
The month with the lowest average high temperature is January (-0.3°C).

  • Average low temperature in August: 13.2°C

The month with the highest average low temperature is July (13.3°C).
The coldest month (with the lowest average low temperature) is February (-3.8°C).

Average pressure in August
Alster, Sweden
  • Average pressure in August: 1012.1mbar

The months with the highest atmospheric pressure are April and May (1014.2mbar).
The month with the lowest atmospheric pressure is December (1008mbar).

Average wind speed in August
Alster, Sweden
  • Average wind speed in August: 13.4km/h

The windiest month (with the highest average wind speed) is December (16.7km/h).
The calmest month (with the lowest average wind speed) is July (12.7km/h).

Average humidity in August
Alster, Sweden
  • Average humidity in August: 76%

The month with the highest relative humidity is February (88%).
The month with the lowest relative humidity is May (69%).

Average rainfall in August
Alster, Sweden
  • Average rainfall in August: 56mm

The wettest month (with the highest rainfall) is July (57mm).
The driest month (with the least rainfall) is April (16mm).

Average rainfall days in August
Alster, Sweden
  • Average rainfall days in August: 17 days

The month with the highest number of rainy days is July (17.4 days).
The months with the least rainy days are January and February (7.1 days).

Average snowfall in August
Alster, Sweden
  • Average snowfall in August: 0mm

The month with the highest snowfall is January (108mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in August
Alster, Sweden
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (12 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in August /
Average sunshine in August
Alster, Sweden
  • Average daylight in August: 15h and 3min

The month with the longest days is June (Average daylight: 18h and 30min).
The month with the shortest days is December (Average daylight: 6h and 12min).

  • Average sunshine in August: 9h and 2min

The month with the most sunshine is June (Average sunshine: 12h and 42min).
The month with the least sunshine is December (Average sunshine: 3h and 12min).

Average sunshine days in August
Alster, Sweden
  • Average sunshine days in August: 12.4 days

The month with the most sunshine days is April (17.5 days).
The month with the least sunshine days is November (10.6 days).

Average UV index in August
Alster, 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 and December (UV index 1).

Average cloud cover in August
Alster, Sweden
  • Average cloud cover in August: 40

The month with the most cloud cover is February (Cloud cover 66).
The months with the least cloud cover are June, July and August (Cloud cover 40).

Average visibility in August
Alster, Sweden
  • Average visibility in August: 10km

The months with the highest visibility are June, July and August (10km).
The months with the lowest visibility are January, February and March (8km).

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