Helleren Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Helleren.
Climate overview of Helleren
Temperatures in Helleren, Rogaland, Norway, vary greatly throughout the year. July is the hottest month at 19°C (66°F), while February is the coldest at 5°C (41°F).
The city has a wet climate, receiving around 1784 mm (70 in) of rain/snowfall per year. Despite the high annual total, it has a distinct rainy season from September to January. October is the wettest month.
Helleren Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Helleren — and find the best time to visit.
Monthly Temperature in Helleren
The climate in Helleren is known for significant temperature differences throughout the year, making the weather dynamic. On average, daytime temperatures range from a pleasant 19°C (66°F) in July to a chilly 5°C (41°F) in February.
Nighttime temperatures range from 13°C (55°F) in July to -1°C (30°F) in February.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Helleren
Helleren has a notably wet climate with abundant precipitation, recording 1784 mm (70 in) of rain/snowfall per year. The seasons in Helleren bring significant changes in precipitation. The wettest month, October, receives heavy rainfall, with an average of 207 mm (8.1 in) of precipitation. This rainfall is distributed across 24 rainy days.
In contrast, the driest month, May, experiences much less rainfall, totaling 88 mm (3.5 in) over 17 rainy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Helleren Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Best Time to Visit Helleren
The wettest months are January, August, September, October, November and December, when precipitation is at its highest. Seeking the perfect travel destination for this year? We've created a tool that suggests locations matching your desired weather. Let our weather planner guide your travel decisions.
Frequently asked questions about the climate in Helleren
What is the best time to visit Helleren?
May, June, July and August typically offer the most optimal weather in Helleren. In contrast, January, February, March, April, October, November and December tend to have less optimal conditions. Helleren has a distinct rainy season from September to January.
What temperatures can I expect in Helleren?
Daytime highs range from 5°C (41°F) in February to 19°C (66°F) in July. Nighttime lows range from -1°C (30°F) to 13°C (55°F). Temperatures vary considerably through the year.
How much rain does Helleren get?
Annual rainfall is around 1784 mm (70 in). October is the wettest month with 207 mm (8.1 in), while May is the driest with 88 mm (3.5 in).
Helleren 3-Day Forecast
Helleren 3-Day Forecast
Helleren on the map
Helleren is highlighted — select any city to see its climate.
Popular this month
Where to go in July — average daytime high across popular destinations.
Oslo
22°C (72°F) Kristiansand
20°C (68°F) Trondheim20°C (68°F) Stavanger
18°C (64°F) Bergen
19°C (66°F) Hemsedal
17°C (63°F) Tromsø17°C (63°F) Reine14°C (57°F) 
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