Hellvik, Norway experiences average highs of 10°C (50°F) and lows of 7°C (45°F) throughout the year. Rainfall is frequent, averaging about 16 rainy days per month. Average highs have warmed by 0.7°C (1.3°F) across the available records.
Hellvik, Norway Weather & Climate 2026
Monthly climate averages for Hellvik, Norway. Based on 10-year ERA5 reanalysis data.
Climate Overview
Drier season: Feb–Sep 
Wetter season: Jan–Dec At-a-Glance Climate Summary
Live Weather & Air Quality
Key figures
Climate Score
3.6/10
Best: May, June, July, August, September
UV Index
3
Low
Temperature 10°C / 7°C
Feels Like 7°C / 3°C
Rainy Days 16
Rainfall 161 mm
Sunshine 7 h
Humidity 82%
Wind Speed 25 km/h
Dew Point 6°C
Snow Days 7 days
Frost Days 6 days
Hottest Month
17°C
August
Avg Low 13°C
Rain 17 days
Coldest Month
1°C
February
Avg High 4°C
Rain 17 days
Driest Month
12 days
April
Avg High 9°C
Avg Low 4°C
Windiest Month
28 km/h
December (Gusts 53)
Sea Temperature
5°C – 16°C
Warmest water: September (
16.2°C
)
Worst Time to Visit
Consider avoiding January, February, March, December due to very cold temperatures, heavy rainfall.
Sun Position
Sunrise 04:29
Daylight 18.3h
Sunset 22:46
Live conditions —
Hellvik on the map · live conditions
Hellvik, Norway
- Continent
- Europe
- Country
- Norway
- City
- Hellvik
- Population
- 643
- Coordinates
- 58.48°, 5.88°
Seasonal Breakdown
Spring
Mar–May
Avg High 9°C
Avg Low 4°C
Rain 13 days/mo
1/3 best months
Summer
Jun–Aug
Avg High 17°C
Avg Low 12°C
Rain 15 days/mo
3/3 best months
Autumn
Sep–Nov
Avg High 11°C
Avg Low 8°C
Rain 19 days/mo
1/3 best months
Winter
Dec–Feb
Avg High 5°C
Avg Low 2°C
Rain 19 days/mo
Climate Charts
Based on historical averages (2016–2025)
Monthly Temperatures
High Low Shaded bands show the typical range across the available yearly records.
Line chart showing monthly temperatures. Jan: 4°C / 1°C . Feb: 4°C / 1°C . Mar: 6°C / 2°C . Apr: 9°C / 4°C . May: 13°C / 8°C . Jun: 16°C / 11°C . Jul: 17°C / 13°C . Aug: 17°C / 13°C . Sep: 15°C / 12°C . Oct: 11°C / 8°C . Nov: 7°C / 5°C . Dec: 6°C / 3°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 188 mm. Feb: 172 mm. Mar: 121 mm. Apr: 67 mm. May: 80 mm. Jun: 105 mm. Jul: 149 mm. Aug: 178 mm. Sep: 215 mm. Oct: 237 mm. Nov: 209 mm. Dec: 210 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 85%. Feb: 83%. Mar: 82%. Apr: 77%. May: 78%. Jun: 81%. Jul: 83%. Aug: 84%. Sep: 84%. Oct: 83%. Nov: 84%. Dec: 85%.
Monthly Wind Speed
Wind Speed Gusts
Bar chart showing monthly wind speed. Jan: 28 km/h . Feb: 27 km/h . Mar: 25 km/h . Apr: 23 km/h . May: 22 km/h . Jun: 22 km/h . Jul: 22 km/h . Aug: 22 km/h . Sep: 25 km/h . Oct: 28 km/h . Nov: 27 km/h . Dec: 28 km/h .
Sunshine
Sunshine
Sunshine: Jan: 2h. Feb: 4h. Mar: 7h. Apr: 10h. May: 12h. Jun: 12h. Jul: 11h. Aug: 10h. Sep: 8h. Oct: 5h. Nov: 3h. Dec: 2h.
Sea Temperature
Sea Temperature swim
Line chart showing monthly sea temperature. Jan: 6°C . Feb: 6°C . Mar: 5°C . Apr: 7°C . May: 10°C . Jun: 13°C . Jul: 15°C . Aug: 16°C . Sep: 16°C . Oct: 14°C . Nov: 11°C . Dec: 9°C .
UV Index
UV Index
Bar chart showing monthly UV index. Jan: UV 1. Feb: UV 1. Mar: UV 2. Apr: UV 4. May: UV 5. Jun: UV 6. Jul: UV 5. Aug: UV 4. Sep: UV 3. Oct: UV 2. Nov: UV 1. Dec: UV 0.
Monthly Daylight Hours
Daylight 12h reference
Monthly Dew Point & Comfort
Dew Point Dry Comfortable Humid Muggy Oppressive
Snow Days
Snow Days Snowfall
Snow Days: Jan: 12 days. Feb: 10 days. Mar: 7 days. Apr: 3 days. May: 0 days. Jun: 0 days. Jul: 0 days. Aug: 0 days. Sep: 0 days. Oct: 0 days. Nov: 3 days. Dec: 8 days.
Climate Trends
Average highs have warmed by 0.7°C (1.3°F) across the available records. Average rainfall is trending wetter by about 21 mm.
2016 to 2025
Avg high Avg rainfall
Climate summary
| Last 12 months | All years | |
|---|---|---|
| Hottest month | Jul 2025 · 19°C | Aug · 17°C |
| Coldest month | Jan 2025 · 1°C | Feb · 1°C |
| Wettest month | Dec 2025 · 316 mm | Oct · 237 mm |
| Windiest month | Dec 2025 · 29 km/h | Dec · 28 km/h |
Month-by-Month Weather Table
January
Wet 
February
Poor March
Poor April
Poor May best
Fair June best
Good July best
Fair August best
Fair September best
Wet October
Wet November
Wet December
Wet | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | 4°C / 1°C | 0°C / -4°C | 19days (188 mm) Wet | 2.3h Poor | 85% Humid | 0.5 Low | Wet | View Details |
| February | 4°C / 1°C | 0°C / -4°C | 17days (172 mm) Wet | 4.4h Fair | 83% Humid | 1.2 Low | Poor | View Details |
| March | 6°C / 2°C | 1°C / -3°C | 15days (121 mm) Wet | 6.5h Fair | 82% Humid | 2.3 Moderate | Poor | View Details |
| April | 9°C / 4°C | 5°C / 0°C | 12days (67 mm) Wet | 10.1h Excellent | 77% Humid | 3.8 Moderate | Poor | View Details |
| May best | 13°C / 8°C | 10°C / 4°C | 12days (80 mm) Wet | 11.9h Excellent | 78% Humid | 5.2 High | Fair | View Details |
| June best | 16°C / 11°C | 14°C / 9°C | 13days (105 mm) Wet | 12.3h Excellent | 81% Humid | 5.6 High | Good | View Details |
| July best | 17°C / 13°C | 16°C / 11°C | 16days (149 mm) Wet | 11.3h Excellent | 83% Humid | 5.1 High | Fair | View Details |
| August best | 17°C / 13°C | 16°C / 11°C | 17days (178 mm) Wet | 10h Excellent | 84% Humid | 4.2 Moderate | Fair | View Details |
| September best | 15°C / 12°C | 13°C / 9°C | 17days (215 mm) Wet | 7.7h Good | 84% Humid | 2.9 Moderate | Wet | View Details |
| October | 11°C / 8°C | 8°C / 4°C | 21days (237 mm) Wet | 5h Fair | 83% Humid | 1.6 Low | Wet | View Details |
| November | 7°C / 5°C | 4°C / 0°C | 18days (209 mm) Wet | 2.9h Poor | 84% Humid | 0.7 Low | Wet | View Details |
| December | 6°C / 3°C | 2°C / -2°C | 20days (210 mm) Wet | 1.5h Poor | 85% Humid | 0.4 Low | Wet | View Details |
Compare Nearby City Climates
Frequently Asked Questions
The best months to visit Hellvik are May, June, July, August, September, when temperatures are comfortable and rainfall is at its lowest. This is based on 10-year climate averages for Hellvik, scoring temperature, rainfall, humidity, and sunshine hours.
The hottest month in Hellvik is August, with average daytime highs of 17°C (63°F). Plan outdoor activities for early morning or late afternoon if visiting during this period.
The coldest month in Hellvik is February, with average overnight lows of 1°C (34°F). Pack warm layers and expect shorter daylight hours during this period.
The wettest month in Hellvik is October, averaging 237mm of precipitation across 21 rainy days. An umbrella or waterproof jacket is essential.
The rainy season in Hellvik runs through October, December, January, November, with the heaviest rainfall in October. Based on 10-year averages for Hellvik.
Hellvik receives approximately 86 sunshine hours per year. The sunniest month is June with around 12 hours. Based on climate data for Hellvik.
The least favorable months to visit Hellvik are January, February, March, December, primarily due to very cold temperatures, heavy rainfall. For the best conditions, consider May, June, July, August, September instead.
The annual average UV index in Hellvik is 3, classified as moderate. Standard sun protection (sunscreen, hat) is recommended during prolonged outdoor exposure.
Average humidity in Hellvik is 82%, classified as humid. High humidity makes warm temperatures feel significantly hotter — lightweight, breathable clothing is recommended.
Sea temperatures in Summer average 11°C (52°F), which most swimmers will find too cold without a wetsuit.
Yes, Hellvik receives snow. Months with snowfall average 7 snow days and 13 cm (5 in) of accumulation, with about 6 frost days during winter.
Average wind speeds in Hellvik are 25 km/h (16 mph). The windiest month is December with peak winds reaching 28 km/h (18 mph) (gusts up to 53 km/h / 33 mph).
Hellvik averages 2 clear-sky days per month with overall cloud cover around 70%. The clearest skies occur in April.
The annual average dew point in Hellvik is 6°C (43°F), which feels dry and comfortable. Outdoor activities are comfortable year-round from a humidity standpoint.
Hellvik has a Oceanic climate, classified as Cfb under the Köppen system. Temperate climates have mild winters and warm summers, with rainfall spread across the year and four distinct seasons.
The 'feels like' temperature in Hellvik ranges from 3°C (37°F) to 7°C (45°F) on average. Wind chill makes winters feel noticeably colder than the actual temperature — layered clothing is recommended.
Yes, June is a great time to visit Hellvik. It earns a climate score of 6.8/10 with Good.
For June in Hellvik, pack Layered clothing, Light jacket, Umbrella, Waterproof jacket, Comfortable walking shoes. With average highs of 16°C (61°F) and 13 rainy days, these essentials will keep you comfortable.
Data Source
Climate data derived from ERA5 reanalysis (ECMWF), averaged over 2016–2025. Sea surface temperature from marine reanalysis data. Climate scores and seasonal estimates are computed by WorldStats.
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