August weather forecastNorrtälje, Sweden
August
Weather in August
As the second half of the year begins, Norrtälje, Sweden in August retains the pleasant summer weather. A unique characteristic of August is that despite the rainfall being lower than in July, the temperatures remain around the same. This results in an optimal weather balance for outdoor activities. The nature around the city remains vibrantly green, and the extended daylight hours favor exciting explorations and adventures.Temperature
July and August are known as Norrtälje's warmest months, with an average high-temperature of 19.5°C (67.1°F).Humidity
The average relative humidity in August is 76%.Rainfall
In Norrtälje, in August, during 16.2 rainfall days, 38mm (1.5") of precipitation is typically accumulated. Throughout the year, in Norrtälje, there are 140.1 rainfall days, and 354mm (13.94") of precipitation is accumulated.Snowfall
In Norrtälje, snow does not fall in June through September.Daylight
In August, the average length of the day in Norrtälje is 15h and 32min.On the first day of August in Norrtälje, sunrise is at 04:29 and sunset at 21:13. On the last day of the month, sunrise is at 05:39 and sunset at 19:50 CEST.
Sunshine
In Norrtälje, the average sunshine in August is 10.1h.UV index
In August, the average daily maximum UV index is 4. A UV Index value 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 suggests these recommendations:
Take measures. Individuals with light skin might experience burns in under 30 minutes. 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
Norrtälje, Sweden
- Average high temperature in August: 19.5°C
The warmest months (with the highest average high temperature) are July and August (19.5°C).
The month with the lowest average high temperature is January (0.2°C).
- Average low temperature in August: 14.1°C
The months with the highest average low temperature are July and August (14.1°C).
The coldest months (with the lowest average low temperature) are January and February (-2.5°C).
Average pressure in August
Norrtälje, Sweden
- Average pressure in August: 1012.6mbar
The month with the highest atmospheric pressure is May (1014.9mbar).
The month with the lowest atmospheric pressure is December (1007.5mbar).
Average wind speed in August
Norrtälje, Sweden
- Average wind speed in August: 14.9km/h
The windiest month (with the highest average wind speed) is December (21.8km/h).
The calmest month (with the lowest average wind speed) is July (14.3km/h).
Average humidity in August
Norrtälje, Sweden
- Average humidity in August: 76%
The months with the highest relative humidity are February and November (86%).
The months with the lowest relative humidity are April, May and June (75%).
Average rainfall in August
Norrtälje, Sweden
- Average rainfall in August: 38mm
The wettest month (with the highest rainfall) is July (52mm).
The driest month (with the least rainfall) is April (16mm).
Average rainfall days in August
Norrtälje, Sweden
- Average rainfall days in August: 16.2 days
The month with the highest number of rainy days is August (16.2 days).
The month with the least rainy days is February (5.8 days).
Average snowfall in August
Norrtälje, Sweden
- Average snowfall in August: 0mm
The month with the highest snowfall is February (82mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in August
Norrtälje, Sweden
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (11.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Norrtälje, 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 6min).
- Average sunshine in August: 10h and 6min
The month with the most sunshine is June (Average sunshine: 12h and 42min).
The month with the least sunshine is December (Average sunshine: 2h and 24min).
Average sunshine days in August
Norrtälje, Sweden
- Average sunshine days in August: 11.3 days
The month with the most sunshine days is May (14.5 days).
The month with the least sunshine days is August (11.3 days).
Average UV index in August
Norrtälje, 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
Norrtälje, Sweden
- Average cloud cover in August: 35
The month with the most cloud cover is January (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in August
Norrtälje, Sweden
- Average visibility in August: 10km
The months with the highest visibility are June, July, August, September and October (10km).
The months with the lowest visibility are January, February, March, April, May, November and December (9km).
