Kolbäck, Sweden experiences average highs of 11°C (52°F) and lows of 5°C (41°F) throughout the year. Rainfall is moderate, averaging about 10 rainy days per month. Average highs have warmed by 1.1°C (2.0°F) across the available records.
Kolbäck, Sweden Weather & Climate 2026
Monthly climate averages for Kolbäck, Sweden. Based on 10-year ERA5 reanalysis data.
Climate Overview
Drier season: Jan–Nov 
Wetter season: Jun–Dec At-a-Glance Climate Summary
Live Weather & Air Quality
Key figures
Climate Score
4.3/10
Best: May, June, July, August, September
UV Index
3
Low
Temperature 11°C / 5°C
Feels Like 8°C / 1°C
Rainy Days 10
Rainfall 52 mm
Sunshine 7 h
Humidity 78%
Wind Speed 16 km/h
Dew Point 4°C
Snow Days 6 days
Frost Days 14 days
Hottest Month
22°C
July
Avg Low 14°C
Rain 12 days
Coldest Month
-4°C
January
Avg High 0°C
Rain 9 days
Driest Month
7 days
March
Avg High 5°C
Avg Low -2°C
Windiest Month
18 km/h
January (Gusts 36)
Worst Time to Visit
Consider avoiding January, February, November, December due to very cold temperatures.
Sun Position
Sunrise 04:03
Daylight 17.9h
Sunset 21:58
Live conditions —
Kolbäck on the map · live conditions
Kolbäck, Sweden
- Continent
- Europe
- Country
- Sweden
- City
- Kolbäck
- Population
- 2K
- Coordinates
- 59.57°, 16.23°
Seasonal Breakdown
Spring
Mar–May
Avg High 11°C
Avg Low 2°C
Rain 8 days/mo
1/3 best months
Summer
Jun–Aug
Avg High 21°C
Avg Low 13°C
Rain 12 days/mo
3/3 best months
Autumn
Sep–Nov
Avg High 10°C
Avg Low 6°C
Rain 9 days/mo
1/3 best months
Winter
Dec–Feb
Avg High 1°C
Avg Low -3°C
Rain 9 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: 0°C / -4°C . Feb: 2°C / -4°C . Mar: 5°C / -2°C . Apr: 10°C / 1°C . May: 17°C / 7°C . Jun: 22°C / 13°C . Jul: 22°C / 14°C . Aug: 21°C / 13°C . Sep: 17°C / 10°C . Oct: 10°C / 5°C . Nov: 5°C / 1°C . Dec: 2°C / -2°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 43 mm. Feb: 33 mm. Mar: 32 mm. Apr: 35 mm. May: 49 mm. Jun: 57 mm. Jul: 78 mm. Aug: 86 mm. Sep: 53 mm. Oct: 60 mm. Nov: 46 mm. Dec: 49 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 87%. Feb: 83%. Mar: 76%. Apr: 68%. May: 64%. Jun: 65%. Jul: 69%. Aug: 75%. Sep: 80%. Oct: 85%. Nov: 90%. Dec: 89%.
Monthly Wind Speed
Wind Speed Gusts
Bar chart showing monthly wind speed. Jan: 18 km/h . Feb: 17 km/h . Mar: 16 km/h . Apr: 16 km/h . May: 15 km/h . Jun: 16 km/h . Jul: 15 km/h . Aug: 15 km/h . Sep: 16 km/h . Oct: 17 km/h . Nov: 16 km/h . Dec: 16 km/h .
Sunshine
Sunshine
Sunshine: Jan: 2h. Feb: 4h. Mar: 7h. Apr: 10h. May: 12h. Jun: 13h. Jul: 13h. Aug: 10h. Sep: 8h. Oct: 4h. Nov: 2h. Dec: 1h.
UV Index
UV Index
Bar chart showing monthly UV index. Jan: UV 1. Feb: UV 1. Mar: UV 2. Apr: UV 3. 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: 11 days. Feb: 9 days. Mar: 7 days. Apr: 3 days. May: 0 days. Jun: 0 days. Jul: 0 days. Aug: 0 days. Sep: 0 days. Oct: 1 days. Nov: 4 days. Dec: 9 days.
Climate Trends
Average highs have warmed by 1.1°C (2.0°F) across the available records. Average rainfall is trending wetter by about 14 mm.
2016 to 2025
Avg high Avg rainfall
Climate summary
| Last 12 months | All years | |
|---|---|---|
| Hottest month | Jul 2025 · 24°C | Jul · 22°C |
| Coldest month | Jan 2025 · -3°C | Jan · -4°C |
| Wettest month | Jul 2025 · 128 mm | Aug · 86 mm |
| Windiest month | Jan 2025 · 19 km/h | Jan · 18 km/h |
Month-by-Month Weather Table
January
Poor 
February
Poor March
Poor April
Poor May best
Good June best
Excellent July best
Excellent August best
Excellent September best
Good October
Poor November
Poor December
Poor | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | 0°C / -4°C | -4°C / -9°C | 9days (43 mm) Wet | 2h Poor | 87% Very Muggy | 0.5 Low | Poor | View Details |
| February | 2°C / -4°C | -3°C / -8°C | 8days (33 mm) Wet | 4.3h Fair | 83% Humid | 1.1 Low | Poor | View Details |
| March | 5°C / -2°C | 1°C / -6°C | 7days (32 mm) Good | 6.7h Fair | 76% Humid | 2.4 Moderate | Poor | View Details |
| April | 10°C / 1°C | 7°C / -2°C | 8days (35 mm) Wet | 9.9h Good | 68% Muggy | 3.4 Moderate | Poor | View Details |
| May best | 17°C / 7°C | 14°C / 4°C | 9days (49 mm) Wet | 11.9h Excellent | 64% Muggy | 4.9 Moderate | Good | View Details |
| June best | 22°C / 13°C | 20°C / 11°C | 11days (57 mm) Wet | 13.2h Excellent | 65% Muggy | 5.5 High | Excellent | View Details |
| July best | 22°C / 14°C | 21°C / 13°C | 12days (78 mm) Wet | 12.8h Excellent | 69% Muggy | 5.1 High | Excellent | View Details |
| August best | 21°C / 13°C | 20°C / 12°C | 12days (86 mm) Wet | 10.3h Excellent | 75% Muggy | 4.3 Moderate | Excellent | View Details |
| September best | 17°C / 10°C | 15°C / 8°C | 9days (53 mm) Wet | 7.5h Good | 80% Humid | 3.1 Moderate | Good | View Details |
| October | 10°C / 5°C | 7°C / 2°C | 10days (60 mm) Wet | 4.4h Fair | 85% Humid | 1.5 Low | Poor | View Details |
| November | 5°C / 1°C | 1°C / -2°C | 9days (46 mm) Wet | 2.1h Poor | 90% Very Muggy | 0.6 Low | Poor | View Details |
| December | 2°C / -2°C | -2°C / -6°C | 11days (49 mm) Wet | 1.2h Poor | 89% Very Muggy | 0.3 Low | Poor | View Details |
Compare Nearby City Climates
Frequently Asked Questions
The best months to visit Kolbäck 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 Kolbäck, scoring temperature, rainfall, humidity, and sunshine hours.
The hottest month in Kolbäck 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 Kolbäck is January, with average overnight lows of -4°C (25°F). Pack warm layers and expect shorter daylight hours during this period.
The wettest month in Kolbäck is August, averaging 86mm of precipitation across 12 rainy days. An umbrella or waterproof jacket is essential.
The rainy season in Kolbäck runs through July, August, June, December, with the heaviest rainfall in July. Based on 10-year averages for Kolbäck.
Kolbäck receives approximately 86 sunshine hours per year. The sunniest month is June with around 13 hours. Based on climate data for Kolbäck.
The least favorable months to visit Kolbäck are January, February, November, December, primarily due to very cold temperatures. For the best conditions, consider May, June, July, August, September instead.
The annual average UV index in Kolbäck is 3, classified as moderate. Standard sun protection (sunscreen, hat) is recommended during prolonged outdoor exposure.
Average humidity in Kolbäck is 78%, classified as humid. Humidity levels are generally comfortable and should not affect outdoor activities for most people.
Yes, Kolbäck receives snow. Months with snowfall average 6 snow days and 10 cm (4 in) of accumulation, with about 14 frost days during winter.
Average wind speeds in Kolbäck are 16 km/h (10 mph). The windiest month is January with peak winds reaching 18 km/h (11 mph) (gusts up to 36 km/h / 23 mph).
Kolbäck averages 2 clear-sky days per month with overall cloud cover around 67%. The clearest skies occur in May.
The annual average dew point in Kolbäck is 4°C (39°F), which feels dry and comfortable. Outdoor activities are comfortable year-round from a humidity standpoint.
Kolbäck 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 Kolbäck ranges from 1°C (34°F) to 8°C (46°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 Kolbäck. It earns a climate score of 7.9/10 with Excellent.
For July in Kolbäck, pack Umbrella, Waterproof jacket, Sunscreen (SPF 30+), Sunglasses, Comfortable walking shoes. With average highs of 22°C (72°F) and 12 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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