July weather forecastTromsø, Norway

July
Weather in July
The peak of Tromso's modest summer is in July, complete with forty-eight seven sunlight and relatively warm temperatures. The absence of snowfall becomes more apparent as no measurable quantities are reported during this month, implying that summer is in full swing. July is favored for various outdoor activities, exploration, and enjoying Tromsø's magnificent landscapes in clear, bright Nordic sunshine. Combined with the midnight sun phenomenon, it makes for a remarkable, almost surreal summer experience. This is the time for outdoor concerts, festivals, and mountain hiking.Temperature
July is Tromsø's warmest month, registering average high temperatures of 13.9°C (57°F) and lows of 8.7°C (47.7°F).Humidity
With an average relative humidity of 79%, July is the least humid month.Rainfall
July is the month with the least rainfall in Tromsø. Rain falls for 18.3 days and accumulates 55mm (2.17") of precipitation.Snowfall
July and August are months without snowfall in Tromsø, Norway.Sea temperature
In Tromsø, the average seawater temperature in July is 10.8°C (51.4°F).Note: In 10.8°C (51.4°F), even brief exposure to 13°C (55.4°F) feels biting, and anything less than 10°C (50°F) risks cold shock and impaired breathing, considering one's health.
Daylight
In July, the average length of the day in Tromsø is 4h and 16min.On the first day of July in Tromsø, sunrise is at 02:00 and sunset at 02:00. On the last day of the month, sunrise is at 02:20 and sunset at 23:21 CEST.
Sunshine
In Tromsø, the average sunshine in July is 2.7h.UV index
The month with the highest UV index in Tromsø is July, with an average maximum UV index of 4. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: The daily high UV index of 4 during July translates into the following recommendations:
Exercise prevention - Precautions against solar damage are endorsed. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Tromsø, Norway
- Average high temperature in July: 13.9°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 July: 8.7°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 July
Tromsø, Norway
- Average pressure in July: 1011.5mbar
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 July
Tromsø, Norway
- Average wind speed in July: 9.5km/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 July
Tromsø, Norway
- Average humidity in July: 79%
The month with the highest relative humidity is April (89%).
The month with the lowest relative humidity is July (79%).
Average rainfall in July
Tromsø, Norway
- Average rainfall in July: 55mm
The wettest month (with the highest rainfall) is March (103mm).
The driest month (with the least rainfall) is July (55mm).
Average rainfall days in July
Tromsø, Norway
- Average rainfall days in July: 18.3 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 July
Tromsø, Norway
- Average snowfall in July: 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 July
Tromsø, Norway
- Average snowfall days in July: 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 July
Tromsø, Norway
- Average sea temperature in July: 10.8°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 July /
Average sunshine in July
Tromsø, Norway
- Average daylight in July: 4h and 18min
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 July: 2h and 42min
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 July
Tromsø, Norway
- Average sunshine days in July: 10.2 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 July
Tromsø, Norway
- Average UV index in July: 4
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 July
Tromsø, Norway
- Average cloud cover in July: 58
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 July
Tromsø, Norway
- Average visibility in July: 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).





