Suwâld, Netherlands experiences average highs of 14°C (57°F) and lows of 8°C (46°F) throughout the year. Rainfall is moderate, averaging about 12 rainy days per month. Average highs have warmed by 0.7°C (1.3°F) across the available records.
Suwâld, Netherlands Weather & Climate 2026
Monthly climate averages for Suwâld, Netherlands. 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
5/10
Best: May, June, July, August, September
UV Index
3
Low
Temperature 14°C / 8°C
Feels Like 11°C / 5°C
Rainy Days 12
Rainfall 65 mm
Sunshine 8 h
Humidity 81%
Wind Speed 23 km/h
Dew Point 8°C
Snow Days 2 days
Frost Days 5 days
Hottest Month
21°C
August
Avg Low15°C
Rain12days
Coldest Month
2°C
January
Avg High6°C
Rain13days
Driest Month
10days
February
Avg High7°C
Avg Low3°C
Windiest Month
27 km/h
January (Gusts 48)
Sea Temperature
5°C – 20°C
Warmest water: August (
20°C
)
Worst Time to Visit
Consider avoiding January, February, March, December due to very cold temperatures, frequent rain.
Sun Position
Sunrise 05:10
Daylight 16.9h
Sunset 22:06
Live conditions—
Suwâld on the map · live conditions
Suwâld, Netherlands
- Continent
- Europe
- Country
- Netherlands
- City
- Suwâld
- Population
- 555
- Coordinates
- 53.18°, 5.93°
Seasonal Breakdown
Spring
Mar–May
Avg High 13°C
Avg Low 6°C
Rain 11 days/mo
1/3 best months
Summer
Jun–Aug
Avg High 21°C
Avg Low 14°C
Rain 13 days/mo
3/3 best months
Autumn
Sep–Nov
Avg High 14°C
Avg Low 10°C
Rain 12 days/mo
1/3 best months
Winter
Dec–Feb
Avg High 7°C
Avg Low 3°C
Rain 12 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: 6°C / 2°C . Feb: 7°C / 3°C . Mar: 9°C / 3°C . Apr: 12°C / 6°C . May: 16°C / 9°C . Jun: 20°C / 13°C . Jul: 21°C / 15°C . Aug: 21°C / 15°C . Sep: 19°C / 13°C . Oct: 14°C / 10°C . Nov: 10°C / 6°C . Dec: 7°C / 4°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 63 mm. Feb: 59 mm. Mar: 51 mm. Apr: 50 mm. May: 56 mm. Jun: 78 mm. Jul: 83 mm. Aug: 66 mm. Sep: 70 mm. Oct: 76 mm. Nov: 60 mm. Dec: 64 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 86%. Feb: 83%. Mar: 80%. Apr: 76%. May: 75%. Jun: 77%. Jul: 76%. Aug: 77%. Sep: 79%. Oct: 83%. Nov: 86%. Dec: 88%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 27 km/h . Feb: 27 km/h . Mar: 24 km/h . Apr: 22 km/h . May: 21 km/h . Jun: 21 km/h . Jul: 21 km/h . Aug: 21 km/h . Sep: 21 km/h . Oct: 25 km/h . Nov: 24 km/h . Dec: 26 km/h .
Sunshine
Sunshine
Sunshine: Jan: 4h. Feb: 5h. Mar: 8h. Apr: 11h. May: 12h. Jun: 12h. Jul: 12h. Aug: 11h. Sep: 9h. Oct: 6h. Nov: 4h. Dec: 3h.
Sea Temperature
Sea Temperatureswim
Line chart showing monthly sea temperature. Jan: 5°C . Feb: 5°C . Mar: 7°C . Apr: 10°C . May: 14°C . Jun: 18°C . Jul: 20°C . Aug: 20°C . Sep: 19°C . Oct: 14°C . Nov: 10°C . Dec: 6°C .
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: 3 days. Feb: 2 days. Mar: 1 days. Apr: 1 days. May: 0 days. Jun: 0 days. Jul: 0 days. Aug: 0 days. Sep: 0 days. Oct: 0 days. Nov: 1 days. Dec: 1 days.
Climate Trends
Average highs have warmed by 0.7°C (1.3°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 · 21°C | Aug · 21°C |
| Coldest month | Feb 2025 · 1°C | Jan · 2°C |
| Wettest month | Oct 2025 · 102 mm | Jul · 83 mm |
| Windiest month | Oct 2025 · 26 km/h | Jan · 27 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 | 6°C / 2°C | 2°C / -2°C | 13days (63 mm) Wet | 3.5h Poor | 86% Very Muggy | 0.9 Low | Poor | View Details |
| February | 7°C / 3°C | 2°C / -2°C | 10days (59 mm) Wet | 5.1h Fair | 83% Humid | 1.6 Low | Poor | View Details |
| March | 9°C / 3°C | 5°C / -1°C | 12days (51 mm) Wet | 7.7h Good | 80% Humid | 3.2 Moderate | Poor | View Details |
| April | 12°C / 6°C | 9°C / 2°C | 10days (50 mm) Wet | 10.6h Excellent | 76% Humid | 4.5 Moderate | Fair | View Details |
| May best | 16°C / 9°C | 15°C / 7°C | 11days (56 mm) Wet | 12.1h Excellent | 75% Muggy | 5.8 High | Good | View Details |
| June best | 20°C / 13°C | 19°C / 12°C | 12days (78 mm) Wet | 12h Excellent | 77% Humid | 6.1 High | Excellent | View Details |
| July best | 21°C / 15°C | 20°C / 14°C | 15days (83 mm) Wet | 12.2h Excellent | 76% Humid | 5.9 High | Excellent | View Details |
| August best | 21°C / 15°C | 21°C / 14°C | 12days (66 mm) Wet | 11.3h Excellent | 77% Humid | 5.3 High | Excellent | View Details |
| September best | 19°C / 13°C | 17°C / 11°C | 11days (70 mm) Wet | 8.9h Good | 79% Humid | 3.9 Moderate | Good | View Details |
| October | 14°C / 10°C | 12°C / 7°C | 13days (76 mm) Wet | 6h Fair | 83% Humid | 2.2 Moderate | Fair | View Details |
| November | 10°C / 6°C | 6°C / 2°C | 12days (60 mm) Wet | 4.1h Fair | 86% Very Muggy | 1.1 Low | Poor | View Details |
| December | 7°C / 4°C | 3°C / -1°C | 13days (64 mm) Wet | 2.5h Poor | 88% Very Muggy | 0.7 Low | Poor | View Details |
Compare Nearby City Climates
Frequently Asked Questions
The best months to visit Suwâld 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 Suwâld, scoring temperature, rainfall, humidity, and sunshine hours.
The hottest month in Suwâld is August, 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 Suwâld is January, with average overnight lows of 2°C (36°F). Pack warm layers and expect shorter daylight hours during this period.
The wettest month in Suwâld is July, averaging 83mm of precipitation across 15 rainy days. An umbrella or waterproof jacket is essential.
The rainy season in Suwâld runs through July, January, October, December, with the heaviest rainfall in July. Based on 10-year averages for Suwâld.
Suwâld receives approximately 96 sunshine hours per year. The sunniest month is July with around 12 hours. Based on climate data for Suwâld.
The least favorable months to visit Suwâld 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 Suwâld is 3, classified as moderate. Standard sun protection (sunscreen, hat) is recommended during prolonged outdoor exposure.
Average humidity in Suwâld is 81%, classified as humid. High humidity makes warm temperatures feel significantly hotter — lightweight, breathable clothing is recommended.
Sea temperatures in Summer average 12°C (54°F), which most swimmers will find too cold without a wetsuit.
Yes, Suwâld receives snow. Months with snowfall average 2 snow days and 2 cm (1 in) of accumulation, with about 5 frost days during winter.
Average wind speeds in Suwâld are 23 km/h (14 mph). The windiest month is January with peak winds reaching 27 km/h (17 mph) (gusts up to 48 km/h / 30 mph).
Suwâld averages 2 clear-sky days per month with overall cloud cover around 67%. The clearest skies occur in April.
The annual average dew point in Suwâld is 8°C (46°F), which feels dry and comfortable. Outdoor activities are comfortable year-round from a humidity standpoint.
Suwâld 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 Suwâld ranges from 5°C (41°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 Suwâld. It earns a climate score of 7.7/10 with Excellent.
For June in Suwâld, pack Umbrella, Waterproof jacket, Comfortable walking shoes. With average highs of 20°C (67°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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