Sońsk, Poland experiences average highs of 13°C (55°F) and lows of 6°C (43°F) throughout the year. Rainfall is moderate, averaging about 10 rainy days per month. Average highs have warmed by 0.6°C (1.1°F) across the available records.
Sońsk, Poland Weather & Climate 2026
Monthly climate averages for Sońsk, Poland. Based on 10-year ERA5 reanalysis data.
Climate Overview
Drier season: Feb–Nov 
Wetter season: Jan–Dec At-a-Glance Climate Summary
Live Weather & Air Quality
Key figures
Climate Score
4.9/10
Best: May, June, July, August, September
UV Index
3
Low
Temperature 13°C / 6°C
Feels Like 11°C / 3°C
Rainy Days 10
Rainfall 52 mm
Sunshine 7 h
Humidity 76%
Wind Speed 18 km/h
Dew Point 5°C
Snow Days 6 days
Frost Days 14 days
Hottest Month
24°C
August
Avg Low15°C
Rain10days
Coldest Month
-3°C
January
Avg High1°C
Rain11days
Driest Month
9days
March
Avg High8°C
Avg Low0°C
Windiest Month
20 km/h
February (Gusts 39)
Worst Time to Visit
Consider avoiding January, February, March, December due to very cold temperatures, frequent rain.
Sun Position
Sunrise 04:13
Daylight 16.9h
Sunset 21:05
Live conditions—
Sońsk on the map · live conditions
Sońsk, Poland
- Continent
- Europe
- Country
- Poland
- City
- Sońsk
- Population
- 881
- Coordinates
- 52.78°, 20.70°
Seasonal Breakdown
Spring
Mar–May
Avg High 13°C
Avg Low 4°C
Rain 9 days/mo
1/3 best months
Summer
Jun–Aug
Avg High 24°C
Avg Low 15°C
Rain 11 days/mo
3/3 best months
Autumn
Sep–Nov
Avg High 13°C
Avg Low 7°C
Rain 10 days/mo
1/3 best months
Winter
Dec–Feb
Avg High 3°C
Avg Low -2°C
Rain 11 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: 4°C / -2°C . Mar: 8°C / 0°C . Apr: 13°C / 4°C . May: 18°C / 9°C . Jun: 24°C / 14°C . Jul: 24°C / 15°C . Aug: 24°C / 15°C . Sep: 20°C / 12°C . Oct: 13°C / 7°C . Nov: 7°C / 2°C . Dec: 3°C / 0°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 44 mm. Feb: 46 mm. Mar: 33 mm. Apr: 37 mm. May: 61 mm. Jun: 63 mm. Jul: 79 mm. Aug: 66 mm. Sep: 53 mm. Oct: 62 mm. Nov: 36 mm. Dec: 46 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 87%. Feb: 82%. Mar: 75%. Apr: 69%. May: 66%. Jun: 66%. Jul: 69%. Aug: 69%. Sep: 73%. Oct: 82%. Nov: 87%. Dec: 89%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 20 km/h . Feb: 20 km/h . Mar: 19 km/h . Apr: 19 km/h . May: 18 km/h . Jun: 17 km/h . Jul: 17 km/h . Aug: 16 km/h . Sep: 17 km/h . Oct: 20 km/h . Nov: 18 km/h . Dec: 19 km/h .
Sunshine
Sunshine
Sunshine: Jan: 2h. Feb: 5h. Mar: 7h. Apr: 10h. May: 12h. Jun: 13h. Jul: 12h. Aug: 11h. Sep: 8h. Oct: 5h. Nov: 3h. Dec: 2h.
UV Index
UV Index
Bar chart showing monthly UV index. Jan: UV 1. Feb: UV 2. Mar: UV 3. Apr: UV 5. May: UV 6. Jun: UV 6. Jul: UV 6. Aug: UV 5. Sep: UV 4. Oct: UV 2. Nov: UV 1. Dec: UV 1.
Monthly Daylight Hours
Daylight12h reference
Monthly Dew Point & Comfort
Dew Point Dry Comfortable Humid Muggy Oppressive
Snow Days
Snow DaysSnowfall
Snow Days: Jan: 12 days. Feb: 6 days. Mar: 4 days. Apr: 1 days. May: 0 days. Jun: 0 days. Jul: 0 days. Aug: 0 days. Sep: 0 days. Oct: 0 days. Nov: 4 days. Dec: 8 days.
Climate Trends
Average highs have warmed by 0.6°C (1.1°F) across the available records. Average rainfall is trending drier by about 11 mm.
2016 to 2025
Avg high Avg rainfall
Climate summary
| Last 12 months | All years | |
|---|---|---|
| Hottest month | Jul 2025 · 24°C | Aug · 24°C |
| Coldest month | Feb 2025 · -4°C | Jan · -3°C |
| Wettest month | Jul 2025 · 99 mm | Jul · 79 mm |
| Windiest month | Jun 2025 · 23 km/h | Feb · 20 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 | 1°C / -3°C | -3°C / -8°C | 11days (44 mm) Wet | 2.4h Poor | 87% Very Muggy | 1 Low | Poor | View Details |
| February | 4°C / -2°C | -1°C / -6°C | 10days (46 mm) Wet | 4.6h Fair | 82% Humid | 1.6 Low | Poor | View Details |
| March | 8°C / 0°C | 4°C / -4°C | 9days (33 mm) Wet | 7.1h Good | 75% Muggy | 3.2 Moderate | Poor | View Details |
| April | 13°C / 4°C | 10°C / 0°C | 9days (37 mm) Wet | 9.7h Good | 69% Muggy | 4.6 Moderate | Fair | View Details |
| May best | 18°C / 9°C | 16°C / 6°C | 10days (61 mm) Wet | 11.5h Excellent | 66% Muggy | 5.7 High | Good | View Details |
| June best | 24°C / 14°C | 23°C / 13°C | 10days (63 mm) Wet | 12.5h Excellent | 66% Muggy | 6.2 High | Excellent | View Details |
| July best | 24°C / 15°C | 24°C / 15°C | 12days (79 mm) Wet | 11.6h Excellent | 69% Muggy | 5.9 High | Excellent | View Details |
| August best | 24°C / 15°C | 24°C / 15°C | 10days (66 mm) Wet | 10.8h Excellent | 69% Muggy | 5.3 High | Excellent | View Details |
| September best | 20°C / 12°C | 18°C / 10°C | 9days (53 mm) Wet | 8.2h Good | 73% Muggy | 4.1 Moderate | Good | View Details |
| October | 13°C / 7°C | 11°C / 4°C | 12days (62 mm) Wet | 5.3h Fair | 82% Humid | 2.1 Moderate | Fair | View Details |
| November | 7°C / 2°C | 3°C / -1°C | 9days (36 mm) Wet | 3h Poor | 87% Very Muggy | 1.2 Low | Poor | View Details |
| December | 3°C / 0°C | -1°C / -5°C | 11days (46 mm) Wet | 2h Poor | 89% Very Muggy | 0.8 Low | Poor | View Details |
Compare Nearby City Climates
Frequently Asked Questions
The best months to visit Sońsk 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 Sońsk, scoring temperature, rainfall, humidity, and sunshine hours.
The hottest month in Sońsk is August, with average daytime highs of 24°C (76°F). Plan outdoor activities for early morning or late afternoon if visiting during this period.
The coldest month in Sońsk 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 Sońsk is July, averaging 79mm of precipitation across 12 rainy days. An umbrella or waterproof jacket is essential.
The rainy season in Sońsk runs through July, October, January, December, with the heaviest rainfall in July. Based on 10-year averages for Sońsk.
Sońsk receives approximately 89 sunshine hours per year. The sunniest month is June with around 13 hours. Based on climate data for Sońsk.
The least favorable months to visit Sońsk are January, February, March, December, primarily due to very cold temperatures, frequent rain. For the best conditions, consider May, June, July, August, September instead.
The annual average UV index in Sońsk is 3, classified as moderate. Standard sun protection (sunscreen, hat) is recommended during prolonged outdoor exposure.
Average humidity in Sońsk is 76%, classified as humid. Humidity levels are generally comfortable and should not affect outdoor activities for most people.
Yes, Sońsk receives snow. Months with snowfall average 6 snow days and 7 cm (3 in) of accumulation, with about 14 frost days during winter.
Average wind speeds in Sońsk are 18 km/h (11 mph). The windiest month is February with peak winds reaching 20 km/h (12 mph) (gusts up to 39 km/h / 24 mph).
Sońsk averages 3 clear-sky days per month with overall cloud cover around 66%. The clearest skies occur in September.
The annual average dew point in Sońsk is 5°C (41°F), which feels dry and comfortable. Outdoor activities are comfortable year-round from a humidity standpoint.
Sońsk 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 Sońsk ranges from 3°C (37°F) to 11°C (52°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 Sońsk. It earns a climate score of 8.2/10 with Excellent.
For June in Sońsk, pack Umbrella, Waterproof jacket, Sunscreen (SPF 30+), Sunglasses, Comfortable walking shoes. With average highs of 24°C (74°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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