October weather forecastTrondheim, Norway

October

Weather in October

October is saturated with crisp autumn air and rapidly shortening days in Trondheim. The drop in temperatures continues from September, now ranging between 3°C (37.4°F) and 8°C (46.4°F). The already high rainfall in September continues its course into October, keeping the city relatively moist. The daylight hours continue to wane, with the days becoming increasingly shorter. As the month ends, all signs point towards this: winter is coming.

Temperature

The onset of October is marked by a minor decrease in temperature, transitioning from a cool 12°C (53.6°F) in September to a frosty 8°C (46.4°F). In Trondheim, nights during October observe an average temperature decrease to a cold 3°C (37.4°F).

Rainfall

In Trondheim, Norway, during October, the rain falls for 23 days and regularly aggregates up to 129mm (5.08") of precipitation. Throughout the year, there are 239 rainfall days, and 1096mm (43.15") of precipitation is accumulated.

Sea temperature

In Trondheim, in October, the average water temperature is 10.9°C (51.6°F).
Note: Taking a dip in 10.9°C (51.6°F) can be perilous. Submersion in temperatures under 10°C (50°F) triggers severe cold shock accompanied by hyperventilation.

Daylight

The average length of the day in October is 9h and 49min.
On the first day of October, sunrise is at 07:28 and sunset at 18:47 CEST. On the last day of the month, sunrise is at 07:56 and sunset at 16:08 CET.
Note: On Sunday, 27. October 2024, at 03:00, Daylight Saving Time ends, and the time zone changes from CEST to CET. Daylight Saving Time starts again on Sunday, 30. March 2025, at 02:00; consequently, the time zone reverts from CET to CEST.

Sunshine

In October, the average sunshine in Trondheim, Norway, is 2h.

UV index

The average daily maximum UV index in October in Trondheim is 1. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for average individuals.
Note: An average UV index of 1 in October transforms into this advice:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. A hat with a broad brim is indispensable, filtering out up to half of UV rays.

Updated: Jan 27, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

The high-temperature, in October, in Trondheim, is 8°C (46.4°F), while the low-temperature averages to 3°C (37.4°F).

In Trondheim, Norway, in October, it is raining for 23 days, with typically 129mm (5.08") of accumulated precipitation.

In Trondheim, Norway, the average seawater temperature in October is 10.9°C (51.6°F). Swimming in 10.9°C (51.6°F) is considered dangerous. Unprotected immersion in temperatures below 10°C (50°F) causes quickly maximum intensity cold shock with hyperventilation.

In Trondheim, Norway, the average day length in October is 9h and 49min.

In October, on the first day of the month, sunrise is at 07:28 and sunset at 18:47 CEST. On the last day of the month, in Trondheim, Norway, sunrise is at 07:56 and sunset at 16:08 CET.

On Sunday, 27. October 2024, at 03:00, Daylight Saving Time ends in Trondheim, and the time zone changes from CEST to CET. The next DST starts on Sunday, 30. March 2025, at 02:00.

In Trondheim, Norway, the average sunshine duration in October is 2h.

In Trondheim, the average daily maximum UV index in October is 1. A UV Index estimate of 2, and below, represents a low health risk from exposure to Sun's UV rays.

Today

Tomorrow

Long-term

Year J F M A M J J A S October N D

Sep

October

Nov

Average high temperature

12°C

8°C

3°C

Average low temperature

Average rainfall

Average rainfall days

Average sea temperature

Average daylight

Average sunshine

Average UV index

Average temperature in October
Trondheim, Norway

Average high temperature in October: 8°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 October: 3°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 October
Trondheim, Norway

Average rainfall in October: 129mm

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

Average rainfall days in October
Trondheim, Norway

Average rainfall days in October: 23 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 October
Trondheim, Norway

Average sea temperature in October: 10.9°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 October /
Average sunshine in October
Trondheim, Norway

Average daylight in October: 9h and 48min

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 October: 2h

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 October
Trondheim, Norway

Average UV index in October: 1

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).