June weather forecast
Trondheim, Norway

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Weather in June

June signals the start of summer in Trondheim, with temperatures on a steady rise from 8°C (46.4°F) to 16°C (60.8°F). Oddly enough, June ushers in almost as much rainfall as the wetter winter months, resulting in a fairly humid summer atmosphere. Despite the heavier rainfall, the longest days of the year also occur in June, with daylight hours surpassing the 20-hour mark. Evenings are spent lounging by the shores of the Trondheim Fjord, enjoying the longer daylight hours. The weather does not waver significantly during the course of the month, maintaining a steady, almost predictable, pattern.

Temperature

June sees a marginal temperature increase, moving from a cool 12°C (53.6°F) in May to a comfortable 16°C (60.8°F). An average low-temperature of 8°C (46.4°F) is noted during the nights in June in Trondheim.

Rainfall

In Trondheim, in June, during 17 rainfall days, 70mm (2.76") of precipitation is typically accumulated. In Trondheim, Norway, during the entire year, the rain falls for 239 days and collects up to 1096mm (43.15") of precipitation.

Sea temperature

In Trondheim, in June, the average water temperature is 12.3°C (54.1°F).
Note: It is life-risking to swim in 12.3°C (54.1°F). Briefly staying in 13°C (55.4°F) waters feels unsettling, and temperatures below 10°C (50°F) might result in cold shock and loss of breath control, hinging on personal endurance.

Daylight

June has the longest days of the year, with an average of 20h and 24min of daylight.
On the first day of the month, sunrise is at 03:23 and sunset at 23:09. On the last day of June, sunrise is at 03:10 and sunset at 23:33 CEST.

Sunshine

May and June, with an average of 7h of sunshine, are months with the most sunshine in Trondheim.

UV index

The months with the highest UV index are June and July, with an average maximum UV index of 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: An average maximum UV index of 4 in June leads to these recommendations:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.

Frequently asked questions

What is the temperature in June in Trondheim?

June temperatures in Trondheim vary between a high-temperature of 16°C (60.8°F) and a low-temperature of 8°C (46.4°F).

How many days does it rain in June in Trondheim?

In Trondheim, in June, it is raining for 17 days, with typically 70mm (2.76") of accumulated precipitation.

What is the sea water temperature in June in Trondheim?

In June, the average sea temperature in Trondheim, Norway, is 12.3°C (54.1°F). Swimming in 12.3°C (54.1°F) is considered life-threatening. Even a few minutes in 13°C (55.4°F) water is uncomfortable, and swimming below 10°C (50°F) may cause total loss of breathing control and cold shock, depending on a person's physique.

When are the longest days in Trondheim?

With an average of 20h and 24min of daylight, June has the longest days of the year in Trondheim, Norway.

How many hours of daylight does Trondheim have in June?

In Trondheim, the average day length in June is 20h and 22min.

What time are sunrise and sunset in June in Trondheim?

In June, on the first day of the month, sunrise is at 03:23 and sunset at 23:09. On the last day of the month, sunrise is at 03:10 and sunset at 23:33 CEST.

What are the months with the most sunshine in Trondheim?

May and June, with an average of 7h of sunshine, are months with the most sunshine in Trondheim.

How many hours of sunshine does Trondheim have in June?

In Trondheim, the average sunshine duration in June is 7h.

What is the month with the highest UV index in Trondheim?

The months with the highest UV index are June and July, with an average maximum UV index of 4.

How high is the UV index in June in Trondheim?

In June, the average daily maximum UV index in Trondheim is 4. A UV Index reading of 3 to 5 represents a medium hazard to health from unsafe exposure to Sun's UV rays.
Average rainfall days
Average daylight
Average sunshine
Average UV index

Average temperature in June
Trondheim, Norway

Average temperature in June - Trondheim, Norway
  • Average high temperature in June: 16°C

The warmest month (with the highest average high temperature) is August (17°C).
The months with the lowest average high temperature are January and February (0°C).

  • Average low temperature in June: 8°C

The months with the highest average low temperature are July and August (9°C).
The coldest months (with the lowest average low temperature) are January and February (-5°C).

Average rainfall in June
Trondheim, Norway

Average rainfall in June - Trondheim, Norway
  • Average rainfall in June: 70mm

The wettest month (with the highest rainfall) is September (133mm).
The driest month (with the least rainfall) is May (53mm).

Average rainfall days in June
Trondheim, Norway

Average rainfall days in June - Trondheim, Norway
  • Average rainfall days in June: 17 days

The months with the highest number of rainy days are September and December (24 days).
The month with the least rainy days is May (15 days).

Average sea temperature in June
Trondheim, Norway

Average sea temperature in June - Trondheim, Norway
  • Average sea temperature in June: 12.3°C

The best month for swimming (with the highest average sea temperature) is August (14.8°C).
The coldest month (with the lowest average sea temperature) is March (4.9°C).

Average daylight in June /
Average sunshine in June
Trondheim, Norway

Average daylight in June / Average sunshine in June - Trondheim, Norway
  • Average daylight in June: 20h and 2min

The month with the longest days is June (Average daylight: 20h and 24min).
The month with the shortest days is December (Average daylight: 4h and 42min).

  • Average sunshine in June: 7h

The months with the most sunshine are May and June (Average sunshine: 7h).
The months with the least sunshine are January and December (Average sunshine: 0h).

Average UV index in June
Trondheim, Norway

Average UV index in June - Trondheim, Norway
  • Average UV index in June: 4

The months with the highest UV index are June and July (UV index 4).
The months with the lowest UV index are January, February, November and December (UV index 0).

Trondheim, Norway

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