Södermalm, Sweden experiences average highs of 10°C (50°F) and lows of 5°C (41°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.
Södermalm, Sweden Weather & Climate 2026
Monthly climate averages for Södermalm, Sweden. Based on 10-year ERA5 reanalysis data.
Climate Overview
Drier season: Jan–Nov 
Wetter season: Jul–Dec At-a-Glance Climate Summary
Live Weather & Air Quality
Key figures
Climate Score
4.3/10
Best: June, July, August, September
UV Index
3
Low
Temperature 10°C / 5°C
Feels Like 7°C / 2°C
Rainy Days 9
Rainfall 46 mm
Sunshine 8 h
Humidity 79%
Wind Speed 18 km/h
Dew Point 4°C
Snow Days 7 days
Frost Days 14 days
Hottest Month
21°C
July
Avg Low15°C
Rain12days
Coldest Month
-3°C
January
Avg High1°C
Rain9days
Driest Month
7days
March
Avg High5°C
Avg Low-1°C
Windiest Month
21 km/h
January (Gusts 43)
Sea Temperature
0°C – 22°C
Warmest water: August (
22.1°C
)
Worst Time to Visit
Consider avoiding January, February, March, December due to very cold temperatures.
Sun Position
Sunrise 03:33
Daylight 18.6h
Sunset 22:06
Live conditions—
Södermalm on the map · live conditions
Södermalm, Sweden
- Continent
- Europe
- Country
- Sweden
- City
- Södermalm
- Population
- 127.3K
- Coordinates
- 59.31°, 18.08°
Seasonal Breakdown
Spring
Mar–May
Avg High 9°C
Avg Low 3°C
Rain 7 days/mo
Summer
Jun–Aug
Avg High 20°C
Avg Low 14°C
Rain 11 days/mo
3/3 best months
Autumn
Sep–Nov
Avg High 11°C
Avg Low 7°C
Rain 9 days/mo
1/3 best months
Winter
Dec–Feb
Avg High 2°C
Avg Low -2°C
Rain 10 days/mo
Climate Charts
Based on historical averages (2016–2025)
Monthly Temperatures
HighLowShaded bands show the typical range across the available yearly records.
Line chart showing monthly temperatures. Jan: 1°C / -3°C . Feb: 2°C / -2°C . Mar: 5°C / -1°C . Apr: 9°C / 2°C . May: 14°C / 7°C . Jun: 20°C / 13°C . Jul: 21°C / 15°C . Aug: 20°C / 14°C . Sep: 16°C / 11°C . Oct: 10°C / 6°C . Nov: 5°C / 2°C . Dec: 2°C / -1°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 44 mm. Feb: 32 mm. Mar: 32 mm. Apr: 29 mm. May: 40 mm. Jun: 51 mm. Jul: 62 mm. Aug: 67 mm. Sep: 44 mm. Oct: 57 mm. Nov: 44 mm. Dec: 46 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 86%. Feb: 83%. Mar: 78%. Apr: 71%. May: 69%. Jun: 70%. Jul: 73%. Aug: 76%. Sep: 80%. Oct: 83%. Nov: 88%. Dec: 88%.
Monthly Wind Speed
Wind SpeedGusts
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: 16 km/h . Aug: 17 km/h . Sep: 18 km/h . Oct: 20 km/h . Nov: 19 km/h . Dec: 19 km/h .
Sunshine
Sunshine
Sunshine: Jan: 2h. Feb: 4h. Mar: 7h. Apr: 10h. May: 13h. Jun: 14h. Jul: 14h. Aug: 11h. Sep: 9h. Oct: 5h. Nov: 3h. Dec: 1h.
Sea Temperature
Sea Temperatureswim
Line chart showing monthly sea temperature. Jan: 0°C . Feb: 0°C . Mar: 1°C . Apr: 5°C . May: 12°C . Jun: 18°C . Jul: 22°C . Aug: 22°C . Sep: 20°C . Oct: 13°C . Nov: 7°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 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
Daylight12h reference
Monthly Dew Point & Comfort
Dew Point Dry Comfortable Humid Muggy Oppressive
Snow Days
Snow DaysSnowfall
Snow Days: Jan: 11 days. Feb: 9 days. Mar: 7 days. Apr: 4 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 · 22°C | Jul · 21°C |
| Coldest month | Feb 2025 · -3°C | Jan · -3°C |
| Wettest month | Jul 2025 · 96 mm | Aug · 67 mm |
| Windiest month | Jan 2025 · 22 km/h | Jan · 21 km/h |
Month-by-Month Weather Table
January
Poor 
February
Poor March
Poor April
Poor May
Fair June best
Good 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 | 1°C / -3°C | -4°C / -8°C | 9days (44 mm) Wet | 2h Poor | 86% Very Muggy | 0.5 Low | Poor | View Details |
| February | 2°C / -2°C | -3°C / -7°C | 8days (32 mm) Wet | 4.4h Fair | 83% Humid | 1.1 Low | Poor | View Details |
| March | 5°C / -1°C | 0°C / -5°C | 7days (32 mm) Good | 6.9h Fair | 78% Humid | 2.5 Moderate | Poor | View Details |
| April | 9°C / 2°C | 5°C / -2°C | 7days (29 mm) Good | 10.2h Excellent | 71% Muggy | 3.4 Moderate | Poor | View Details |
| May | 14°C / 7°C | 12°C / 4°C | 8days (40 mm) Wet | 12.8h Excellent | 69% Muggy | 5 Moderate | Fair | View Details |
| June best | 20°C / 13°C | 18°C / 11°C | 9days (51 mm) Wet | 14.2h Excellent | 70% Muggy | 5.5 High | Good | View Details |
| July best | 21°C / 15°C | 20°C / 14°C | 12days (62 mm) Wet | 13.7h Excellent | 73% Muggy | 5.4 High | Excellent | View Details |
| August best | 20°C / 14°C | 19°C / 13°C | 11days (67 mm) Wet | 11.3h Excellent | 76% Humid | 4.3 Moderate | Excellent | View Details |
| September best | 16°C / 11°C | 14°C / 9°C | 8days (44 mm) Wet | 8.7h Good | 80% Humid | 3.2 Moderate | Good | View Details |
| October | 10°C / 6°C | 7°C / 3°C | 11days (57 mm) Wet | 4.9h Fair | 83% Humid | 1.6 Low | Poor | View Details |
| November | 5°C / 2°C | 2°C / -2°C | 9days (44 mm) Wet | 2.6h Poor | 88% Very Muggy | 0.7 Low | Poor | View Details |
| December | 2°C / -1°C | -2°C / -5°C | 12days (46 mm) Wet | 1.2h Poor | 88% Very Muggy | 0.3 Low | Poor | View Details |
Compare Nearby City Climates
Frequently Asked Questions
The best months to visit Södermalm are June, July, August, September, when temperatures are comfortable and rainfall is at its lowest. This is based on 10-year climate averages for Södermalm, scoring temperature, rainfall, humidity, and sunshine hours.
The hottest month in Södermalm is July, with average daytime highs of 21°C (70°F). Plan outdoor activities for early morning or late afternoon if visiting during this period.
The coldest month in Södermalm is January, with average overnight lows of -3°C (27°F). Pack warm layers and expect shorter daylight hours during this period.
The wettest month in Södermalm is August, averaging 67mm of precipitation across 11 rainy days. An umbrella or waterproof jacket is essential.
The rainy season in Södermalm runs through July, December, August, October, with the heaviest rainfall in July. Based on 10-year averages for Södermalm.
Södermalm receives approximately 93 sunshine hours per year. The sunniest month is June with around 14 hours. Based on climate data for Södermalm.
The least favorable months to visit Södermalm are January, February, March, December, primarily due to very cold temperatures. For the best conditions, consider June, July, August, September instead.
The annual average UV index in Södermalm is 3, classified as moderate. Standard sun protection (sunscreen, hat) is recommended during prolonged outdoor exposure.
Average humidity in Södermalm is 79%, classified as humid. Humidity levels are generally comfortable and should not affect outdoor activities for most people.
Yes — sea temperatures in July, August average 22°C (72°F), which is warm and comfortable for swimming and water activities.
Yes, Södermalm receives snow. Months with snowfall average 7 snow days and 10 cm (4 in) of accumulation, with about 14 frost days during winter.
Average wind speeds in Södermalm are 18 km/h (11 mph). The windiest month is January with peak winds reaching 21 km/h (13 mph) (gusts up to 43 km/h / 27 mph).
Södermalm averages 2 clear-sky days per month with overall cloud cover around 65%. The clearest skies occur in June.
The annual average dew point in Södermalm is 4°C (39°F), which feels dry and comfortable. Outdoor activities are comfortable year-round from a humidity standpoint.
Södermalm 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 Södermalm ranges from 2°C (36°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 Södermalm. It earns a climate score of 7.4/10 with Good.
For June in Södermalm, pack Umbrella, Comfortable walking shoes. With average highs of 20°C (67°F) and 9 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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