Västervik, Sweden experiences average highs of 12°C (54°F) and lows of 6°C (43°F) throughout the year. Rainfall is moderate, averaging about 9 rainy days per month. Average highs have warmed by 0.9°C (1.6°F) across the available records.
Västervik, Sweden Weather & Climate 2026
Monthly climate averages for Västervik, Sweden. 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
4.7/10
Best: May, June, July, August, September
UV Index
3
Low
Temperature 12°C / 6°C
Feels Like 9°C / 3°C
Rainy Days 9
Rainfall 47 mm
Sunshine 8 h
Humidity 77%
Wind Speed 18 km/h
Dew Point 5°C
Snow Days 6 days
Frost Days 12 days
Hottest Month
22°C
July
Avg Low 15°C
Rain 10 days
Coldest Month
-1°C
January
Avg High 2°C
Rain 11 days
Driest Month
7 days
April
Avg High 10°C
Avg Low 3°C
Windiest Month
21 km/h
January (Gusts 42)
Sea Temperature
1°C – 19°C
Warmest water: July (
18.6°C
)
Worst Time to Visit
Consider avoiding January, February, March, December due to very cold temperatures.
Sun Position
Sunrise 04:16
Daylight 17.4h
Sunset 21:42
Live conditions —
Västervik on the map · live conditions
Västervik, Sweden
- Continent
- Europe
- Country
- Sweden
- City
- Västervik
- Population
- 21.2K
- Coordinates
- 57.76°, 16.64°
Seasonal Breakdown
Spring
Mar–May
Avg High 11°C
Avg Low 4°C
Rain 8 days/mo
1/3 best months
Summer
Jun–Aug
Avg High 22°C
Avg Low 14°C
Rain 9 days/mo
3/3 best months
Autumn
Sep–Nov
Avg High 12°C
Avg Low 7°C
Rain 9 days/mo
1/3 best months
Winter
Dec–Feb
Avg High 3°C
Avg Low -1°C
Rain 10 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: 2°C / -1°C . Feb: 3°C / -1°C . Mar: 6°C / 0°C . Apr: 10°C / 3°C . May: 16°C / 8°C . Jun: 22°C / 13°C . Jul: 22°C / 15°C . Aug: 22°C / 15°C . Sep: 18°C / 12°C . Oct: 12°C / 7°C . Nov: 6°C / 3°C . Dec: 4°C / 0°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 48 mm. Feb: 34 mm. Mar: 35 mm. Apr: 27 mm. May: 39 mm. Jun: 51 mm. Jul: 63 mm. Aug: 68 mm. Sep: 41 mm. Oct: 68 mm. Nov: 45 mm. Dec: 43 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 85%. Feb: 82%. Mar: 77%. Apr: 70%. May: 67%. Jun: 65%. Jul: 70%. Aug: 73%. Sep: 78%. Oct: 83%. Nov: 87%. Dec: 87%.
Monthly Wind Speed
Wind Speed Gusts
Bar chart showing monthly wind speed. Jan: 21 km/h . Feb: 20 km/h . Mar: 19 km/h . Apr: 18 km/h . May: 17 km/h . Jun: 17 km/h . Jul: 17 km/h . Aug: 17 km/h . Sep: 18 km/h . Oct: 20 km/h . Nov: 18 km/h . Dec: 19 km/h .
Sunshine
Sunshine
Sunshine: Jan: 3h. Feb: 5h. Mar: 7h. Apr: 11h. May: 13h. Jun: 14h. Jul: 13h. Aug: 11h. Sep: 9h. Oct: 5h. Nov: 3h. Dec: 2h.
Sea Temperature
Sea Temperature swim
Line chart showing monthly sea temperature. Jan: 1°C . Feb: 1°C . Mar: 2°C . Apr: 6°C . May: 11°C . Jun: 17°C . Jul: 19°C . Aug: 18°C . Sep: 17°C . Oct: 10°C . Nov: 6°C . Dec: 3°C .
UV Index
UV Index
Bar chart showing monthly UV index. Jan: UV 1. Feb: UV 1. Mar: UV 3. Apr: UV 4. May: UV 5. Jun: UV 6. Jul: UV 5. Aug: UV 5. 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: 10 days. Feb: 9 days. Mar: 5 days. Apr: 2 days. May: 0 days. Jun: 0 days. Jul: 0 days. Aug: 0 days. Sep: 0 days. Oct: 0 days. Nov: 3 days. Dec: 7 days.
Climate Trends
Average highs have warmed by 0.9°C (1.6°F) across the available records. Average rainfall has remained broadly steady.
2016 to 2025
Avg high Avg rainfall
Climate summary
| Last 12 months | All years | |
|---|---|---|
| Hottest month | Jul 2025 · 23°C | Jul · 22°C |
| Coldest month | Feb 2025 · -1°C | Jan · -1°C |
| Wettest month | Jul 2025 · 85 mm | Aug · 68 mm |
| Windiest month | Jan 2025 · 22 km/h | Jan · 21 km/h |
Month-by-Month Weather Table
January
Poor 
February
Poor March
Poor April
Fair May best
Good June best
Excellent July best
Excellent August best
Excellent September best
Good October
Fair November
Poor December
Poor | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | 2°C / -1°C | -2°C / -6°C | 11days (48 mm) Wet | 2.5h Poor | 85% Humid | 0.6 Low | Poor | View Details |
| February | 3°C / -1°C | -1°C / -6°C | 8days (34 mm) Wet | 4.5h Fair | 82% Humid | 1.2 Low | Poor | View Details |
| March | 6°C / 0°C | 2°C / -4°C | 8days (35 mm) Wet | 7.2h Good | 77% Humid | 2.6 Moderate | Poor | View Details |
| April | 10°C / 3°C | 7°C / -1°C | 7days (27 mm) Good | 10.8h Excellent | 70% Muggy | 3.8 Moderate | Fair | View Details |
| May best | 16°C / 8°C | 14°C / 5°C | 8days (39 mm) Wet | 12.6h Excellent | 67% Muggy | 5.1 High | Good | View Details |
| June best | 22°C / 13°C | 20°C / 12°C | 8days (51 mm) Wet | 13.9h Excellent | 65% Muggy | 5.6 High | Excellent | View Details |
| July best | 22°C / 15°C | 22°C / 14°C | 10days (63 mm) Wet | 13.2h Excellent | 70% Muggy | 5.4 High | Excellent | View Details |
| August best | 22°C / 15°C | 21°C / 14°C | 10days (68 mm) Wet | 10.9h Excellent | 73% Muggy | 4.5 Moderate | Excellent | View Details |
| September best | 18°C / 12°C | 16°C / 10°C | 7days (41 mm) Good | 8.8h Good | 78% Humid | 3.4 Moderate | Good | View Details |
| October | 12°C / 7°C | 9°C / 4°C | 11days (68 mm) Wet | 5.1h Fair | 83% Humid | 1.7 Low | Fair | View Details |
| November | 6°C / 3°C | 3°C / -1°C | 10days (45 mm) Wet | 2.7h Poor | 87% Very Muggy | 0.7 Low | Poor | View Details |
| December | 4°C / 0°C | 0°C / -4°C | 10days (43 mm) Wet | 1.6h Poor | 87% Very Muggy | 0.4 Low | Poor | View Details |
Compare Nearby City Climates
Frequently Asked Questions
The best months to visit Västervik 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 Västervik, scoring temperature, rainfall, humidity, and sunshine hours.
The hottest month in Västervik is July, with average daytime highs of 22°C (72°F). Plan outdoor activities for early morning or late afternoon if visiting during this period.
The coldest month in Västervik is January, with average overnight lows of -1°C (29°F). Pack warm layers and expect shorter daylight hours during this period.
The wettest month in Västervik is August, averaging 68mm of precipitation across 10 rainy days. An umbrella or waterproof jacket is essential.
The rainy season in Västervik runs through January, October, July, August, with the heaviest rainfall in January. Based on 10-year averages for Västervik.
Västervik receives approximately 94 sunshine hours per year. The sunniest month is June with around 14 hours. Based on climate data for Västervik.
The least favorable months to visit Västervik are January, February, March, December, primarily due to very cold temperatures. For the best conditions, consider May, June, July, August, September instead.
The annual average UV index in Västervik is 3, classified as moderate. Standard sun protection (sunscreen, hat) is recommended during prolonged outdoor exposure.
Average humidity in Västervik is 77%, classified as humid. Humidity levels are generally comfortable and should not affect outdoor activities for most people.
Sea temperatures in Summer average 9°C (48°F), which most swimmers will find too cold without a wetsuit.
Yes, Västervik receives snow. Months with snowfall average 6 snow days and 10 cm (4 in) of accumulation, with about 12 frost days during winter.
Average wind speeds in Västervik are 18 km/h (11 mph). The windiest month is January with peak winds reaching 21 km/h (13 mph) (gusts up to 42 km/h / 26 mph).
Västervik averages 3 clear-sky days per month with overall cloud cover around 65%. The clearest skies occur in May.
The annual average dew point in Västervik is 5°C (41°F), which feels dry and comfortable. Outdoor activities are comfortable year-round from a humidity standpoint.
Västervik 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 Västervik ranges from 3°C (37°F) to 9°C (48°F) on average. Wind chill makes winters feel noticeably colder than the actual temperature — layered clothing is recommended.
Yes, July is a great time to visit Västervik. It earns a climate score of 8.2/10 with Excellent.
For July in Västervik, pack Umbrella, Waterproof jacket, Sunscreen (SPF 30+), Sunglasses, Comfortable walking shoes. With average highs of 22°C (72°F) and 10 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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