August weather forecastTromsø, Norway
August
Weather in August
August continues the summer streak in Tromsø; however, there is a gradual shift indicating the approaching end of the warm season. The weather remains comfortably warm, with no snowfall reported, just like in July. The sunlight per day reduces perceptibly, though the days are still long and sunny. The charm of Tromsø in August lies in the blend of mild weather with the remnants of the midnight sun, allowing for extended outdoor activities. This month offers ideal conditions for hiking and bird watching, thanks to the migration season.Temperature
The introduction of August in Tromsø sees an average high-temperature of a still moderate 13.1°C (55.6°F), hardly deviating from July. Throughout August, Tromsø witnesses a nighttime temperature average of 7.7°C (45.9°F).Humidity
In Tromsø, the average relative humidity in August is 81%.Rainfall
In Tromsø, Norway, in August, during 18.5 rainfall days, 79mm (3.11") of precipitation is typically accumulated. Throughout the year, in Tromsø, Norway, there are 148.1 rainfall days, and 987mm (38.86") of precipitation is accumulated.Snowfall
July and August are months without snowfall in Tromsø.Sea temperature
With an average sea temperature of 11.3°C (52.3°F), August is the month with the warmest seawater.Note: Swimming in 11.3°C (52.3°F) can be lethal. Merely spending a few minutes in 13°C (55.4°F) waters feels harsh, and venturing below 10°C (50°F) might disrupt breathing control and bring about cold shock, contingent on individual resilience.
Daylight
August has the longest days of the year in Tromsø, with an average of 18h and 0min of daylight.On the first day of August in Tromsø, sunrise is at 02:27 and sunset at 23:13. On the last day of the month, sunrise is at 05:00 and sunset at 20:28 CEST.
Sunshine
August has the most sunshine of the year, with an average of 8h of sunshine.UV index
The average daily maximum UV index in August is 3. 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: The UV index of 3 during August leads to these advisories:
Be vigilant - Suggestions to stave off sun damage are provided. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Experience reduced UV exposure by about half when donning a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Tromsø, Norway
- Average high temperature in August: 13.1°C
The warmest month (with the highest average high temperature) is July (13.9°C).
The month with the lowest average high temperature is January (-4.5°C).
- Average low temperature in August: 7.7°C
The month with the highest average low temperature is July (8.7°C).
The coldest month (with the lowest average low temperature) is February (-9.1°C).
Average pressure in August
Tromsø, Norway
- Average pressure in August: 1010.7mbar
The month with the highest atmospheric pressure is May (1013.8mbar).
The month with the lowest atmospheric pressure is December (1000.7mbar).
Average wind speed in August
Tromsø, Norway
- Average wind speed in August: 10.3km/h
The windiest month (with the highest average wind speed) is March (17km/h).
The calmest month (with the lowest average wind speed) is July (9.5km/h).
Average humidity in August
Tromsø, Norway
- Average humidity in August: 81%
The month with the highest relative humidity is April (89%).
The month with the lowest relative humidity is July (79%).
Average rainfall in August
Tromsø, Norway
- Average rainfall in August: 79mm
The wettest month (with the highest rainfall) is March (103mm).
The driest month (with the least rainfall) is July (55mm).
Average rainfall days in August
Tromsø, Norway
- Average rainfall days in August: 18.5 days
The month with the highest number of rainy days is June (19.3 days).
The month with the least rainy days is February (4.7 days).
Average snowfall in August
Tromsø, Norway
- Average snowfall in August: 0mm
The month with the highest snowfall is March (569mm).
The months with the least snowfall are July and August (0mm).
Average snowfall days in August
Tromsø, Norway
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is March (22.9 days).
The months with the least snowfall days are July and August (0 days).
Average sea temperature in August
Tromsø, Norway
- Average sea temperature in August: 11.3°C
The best month for swimming (with the highest average sea temperature) is August (11.3°C).
The coldest month (with the lowest average sea temperature) is March (4.2°C).
Average daylight in August /
Average sunshine in August
Tromsø, Norway
- Average daylight in August: 18h and 0min
The month with the longest days is August (Average daylight: 18h and 0min).
The months with the shortest days are June and December (Average daylight: 0h and 0min).
- Average sunshine in August: 8h and 0min
The month with the most sunshine is August (Average sunshine: 8h and 0min).
The month with the least sunshine is December (Average sunshine: 0h and 24min).
Average sunshine days in August
Tromsø, Norway
- Average sunshine days in August: 10.8 days
The month with the most sunshine days is January (13.2 days).
The month with the least sunshine days is March (6.2 days).
Average UV index in August
Tromsø, Norway
- Average UV index in August: 3
The month with the highest UV index is July (UV index 4).
The months with the lowest UV index are January, February, March, April, October, November and December (UV index 1).
Average cloud cover in August
Tromsø, Norway
- Average cloud cover in August: 59
The month with the most cloud cover is March (Cloud cover 75).
The month with the least cloud cover is July (Cloud cover 58).
Average visibility in August
Tromsø, Norway
- Average visibility in August: 9km
The months with the highest visibility are June, July, August, September, October and November (9km).
The month with the lowest visibility is April (7km).
