August weather forecastHarstad, Norway
August
Weather in August
August witnesses a slight decline in temperature, making way for a more refreshing and vibrant weather in Harstad. Rainfall slightly increases, keeping the city's vegetation lush and green. This climatic fluctuation is further highlighted by a slight increase in wind speeds to 11.6km/h (7.2mph). Nature lovers enjoy this weather moderation, paving the way for a variety of outdoor activities. Transitioning into September, the temperature continues to drop, and the hours of daylight start to dwindle, hinting at the arrival of autumn.Temperature
The beginning of August reveals an average high-temperature of a still mild 13.8°C (56.8°F), showing minimal deviation from the previous month. Nights during August maintain a steady temperature, averaging at a frosty 9.9°C (49.8°F).Humidity
In August, the average relative humidity is 79%.Rainfall
In Harstad, during August, the rain falls for 16.4 days and regularly aggregates up to 56mm (2.2") of precipitation. In Harstad, Norway, during the entire year, the rain falls for 154.2 days and collects up to 862mm (33.94") of precipitation.Snowfall
July and August are months without snowfall in Harstad, Norway.Sea temperature
The month with the warmest seawater is August, with an average sea temperature of 12.3°C (54.1°F).Note: Engaging in a swim in 12.3°C (54.1°F) can threaten life. Brief exposure to 13°C (55.4°F) waters is uneasy, and submersion below 10°C (50°F) can lead to cold shock and disrupted breathing patterns, varying by individual.
Daylight
The month with the longest days is August, with an average of 17h and 42min of daylight.On the first day of August, sunrise is at 02:57 and sunset at 23:02. On the last day of the month, sunrise is at 05:14 and sunset at 20:33 CEST.
Sunshine
With an average of 9h of sunshine, August has the most sunshine of the year.UV index
In August, the average daily maximum UV index in Harstad is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the average person.Note: A maximum UV index of 3 in August translates into the following recommendations:
Adopt protective measures - Suggestions to resist sunburn are offered. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Harstad, Norway
- Average high temperature in August: 13.8°C
The warmest month (with the highest average high temperature) is July (14.1°C).
The month with the lowest average high temperature is February (-1.2°C).
- Average low temperature in August: 9.9°C
The months with the highest average low temperature are July and August (9.9°C).
The coldest month (with the lowest average low temperature) is February (-4.5°C).
Average pressure in August
Harstad, Norway
- Average pressure in August: 1010.5mbar
The month with the highest atmospheric pressure is May (1013.9mbar).
The month with the lowest atmospheric pressure is December (1000.9mbar).
Average wind speed in August
Harstad, Norway
- Average wind speed in August: 11.6km/h
The windiest month (with the highest average wind speed) is March (19.3km/h).
The calmest month (with the lowest average wind speed) is July (11.1km/h).
Average humidity in August
Harstad, Norway
- Average humidity in August: 79%
The month with the highest relative humidity is April (83%).
The months with the lowest relative humidity are October, November and December (77%).
Average rainfall in August
Harstad, Norway
- Average rainfall in August: 56mm
The wettest month (with the highest rainfall) is March (95mm).
The driest months (with the least rainfall) are May and July (53mm).
Average rainfall days in August
Harstad, Norway
- Average rainfall days in August: 16.4 days
The month with the highest number of rainy days is September (17.5 days).
The month with the least rainy days is February (6.3 days).
Average snowfall in August
Harstad, Norway
- Average snowfall in August: 0mm
The month with the highest snowfall is March (417mm).
The months with the least snowfall are July and August (0mm).
Average snowfall days in August
Harstad, Norway
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is March (19.2 days).
The months with the least snowfall days are July and August (0 days).
Average sea temperature in August
Harstad, Norway
- Average sea temperature in August: 12.3°C
The best month for swimming (with the highest average sea temperature) is August (12.3°C).
The coldest month (with the lowest average sea temperature) is March (3.8°C).
Average daylight in August /
Average sunshine in August
Harstad, Norway
- Average daylight in August: 17h and 42min
The month with the longest days is August (Average daylight: 17h and 42min).
The month with the shortest days is June (Average daylight: 0h and 0min).
- Average sunshine in August: 9h and 0min
The month with the most sunshine is August (Average sunshine: 9h and 0min).
The month with the least sunshine is December (Average sunshine: 0h and 18min).
Average sunshine days in August
Harstad, Norway
- Average sunshine days in August: 12 days
The month with the most sunshine days is January (13.6 days).
The month with the least sunshine days is March (8.3 days).
Average UV index in August
Harstad, 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 February, March and November (UV index 1).
Average cloud cover in August
Harstad, Norway
- Average cloud cover in August: 52
The month with the most cloud cover is March (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 52).
Average visibility in August
Harstad, Norway
- Average visibility in August: 9km
The months with the highest visibility are January, February, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are March and April (8km).





