August weather forecastAltena, Germany
August
Weather in August
August, the last month of the summer in Altena, is also an agreeable month, with an average temperature ranging between min 12.6°C (54.7°F) and max 22.4°C (72.3°F).Temperature
Altena's August weather, with an average high temperature of 22.4°C (72.3°F) and an average low temperature of 12.6°C (54.7°F), tends to be the warmest of the year.Humidity
The months with the lowest humidity are April and August, with an average relative humidity of 76%.Rainfall
In Altena, during August, the rain falls for 16.9 days and regularly aggregates up to 53mm (2.09") of precipitation. Throughout the year, in Altena, there are 173.8 rainfall days, and 605mm (23.82") of precipitation is accumulated.Snowfall
June through September are months without snowfall in Altena.Daylight
In Altena, the average length of the day in August is 14h and 32min.On the first day of the month, sunrise is at 05:54 and sunset at 21:16. On the last day of August, in Altena, sunrise is at 06:41 and sunset at 20:17 CEST.
Sunshine
The month with the most sunshine in Altena is August, with an average of 9.5h of sunshine.UV index
The average daily maximum UV index in August is 4. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: In August, a regular UV index of 4 translates into these guidelines:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Altena, Germany
- Average high temperature in August: 22.4°C
The warmest month (with the highest average high temperature) is August (22.4°C).
The month with the lowest average high temperature is January (3.2°C).
- Average low temperature in August: 12.6°C
The month with the highest average low temperature is August (12.6°C).
The coldest month (with the lowest average low temperature) is January (-0.9°C).
Average pressure in August
Altena, Germany
- Average pressure in August: 1015.8mbar
The month with the highest atmospheric pressure is September (1017.7mbar).
The month with the lowest atmospheric pressure is November (1013.4mbar).
Average wind speed in August
Altena, Germany
- Average wind speed in August: 9.4km/h
The windiest month (with the highest average wind speed) is February (14km/h).
The calmest month (with the lowest average wind speed) is August (9.4km/h).
Average humidity in August
Altena, Germany
- Average humidity in August: 76%
The month with the highest relative humidity is December (91%).
The months with the lowest relative humidity are April and August (76%).
Average rainfall in August
Altena, Germany
- Average rainfall in August: 53mm
The wettest month (with the highest rainfall) is December (73mm).
The driest month (with the least rainfall) is April (29mm).
Average rainfall days in August
Altena, Germany
- Average rainfall days in August: 16.9 days
The month with the highest number of rainy days is July (18.7 days).
The month with the least rainy days is February (9.4 days).
Average snowfall in August
Altena, Germany
- Average snowfall in August: 0mm
The month with the highest snowfall is January (143mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in August
Altena, Germany
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (11.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Altena, Germany
- Average daylight in August: 14h and 30min
The month with the longest days is June (Average daylight: 16h and 30min).
The month with the shortest days is December (Average daylight: 8h and 0min).
- Average sunshine in August: 9h and 30min
The month with the most sunshine is August (Average sunshine: 9h and 30min).
The month with the least sunshine is December (Average sunshine: 3h and 12min).
Average sunshine days in August
Altena, Germany
- Average sunshine days in August: 11.8 days
The month with the most sunshine days is April (14.4 days).
The month with the least sunshine days is December (9.5 days).
Average UV index in August
Altena, Germany
- 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, November and December (UV index 2).
Average cloud cover in August
Altena, Germany
- Average cloud cover in August: 39
The month with the most cloud cover is December (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 39).
Average visibility in August
Altena, Germany
- Average visibility in August: 9km
The months with the highest visibility are April, June and August (9km).
The months with the lowest visibility are January and December (7km).
