Stembert, Belgium experiences average highs of 14°C (57°F) and lows of 7°C (45°F) throughout the year. Rainfall is frequent, averaging about 14 rainy days per month. Average highs have warmed by 1.2°C (2.2°F) across the available records.
Stembert, Belgium Weather & Climate 2026
Monthly climate averages for Stembert, Belgium. Based on 10-year ERA5 reanalysis data.
Climate Overview
Drier season: Feb–Oct 
Wetter season: Jan–Dec At-a-Glance Climate Summary
Live Weather & Air Quality
Key figures
Climate Score
4.6/10
Best: May, June, July, August, September
UV Index
4
Low
Temperature 14°C / 7°C
Feels Like 12°C / 4°C
Rainy Days 14
Rainfall 92 mm
Sunshine 8 h
Humidity 80%
Wind Speed 20 km/h
Dew Point 7°C
Snow Days 6 days
Frost Days 8 days
Hottest Month
23°C
August
Avg Low14°C
Rain14days
Coldest Month
0°C
January
Avg High5°C
Rain17days
Driest Month
12days
September
Avg High19°C
Avg Low12°C
Windiest Month
24 km/h
February (Gusts 48)
Worst Time to Visit
Consider avoiding January, February, November, December due to very cold temperatures, heavy rainfall.
Sun Position
Sunrise 05:25
Daylight 16.4h
Sunset 21:51
Live conditions—
Stembert on the map · live conditions
Stembert, Belgium
- Continent
- Europe
- Country
- Belgium
- City
- Stembert
- Population
- 8.7K
- Coordinates
- 50.59°, 5.89°
Seasonal Breakdown
Spring
Mar–May
Avg High 13°C
Avg Low 5°C
Rain 13 days/mo
1/3 best months
Summer
Jun–Aug
Avg High 22°C
Avg Low 14°C
Rain 14 days/mo
3/3 best months
Autumn
Sep–Nov
Avg High 14°C
Avg Low 8°C
Rain 14 days/mo
1/3 best months
Winter
Dec–Feb
Avg High 6°C
Avg Low 1°C
Rain 16 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: 5°C / 0°C . Feb: 7°C / 1°C . Mar: 10°C / 2°C . Apr: 13°C / 4°C . May: 17°C / 8°C . Jun: 21°C / 13°C . Jul: 22°C / 14°C . Aug: 23°C / 14°C . Sep: 19°C / 12°C . Oct: 15°C / 9°C . Nov: 9°C / 4°C . Dec: 6°C / 2°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 121 mm. Feb: 91 mm. Mar: 91 mm. Apr: 69 mm. May: 91 mm. Jun: 108 mm. Jul: 96 mm. Aug: 81 mm. Sep: 84 mm. Oct: 92 mm. Nov: 80 mm. Dec: 105 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 89%. Feb: 83%. Mar: 78%. Apr: 74%. May: 73%. Jun: 73%. Jul: 72%. Aug: 74%. Sep: 78%. Oct: 84%. Nov: 87%. Dec: 89%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 23 km/h . Feb: 24 km/h . Mar: 22 km/h . Apr: 19 km/h . May: 18 km/h . Jun: 17 km/h . Jul: 17 km/h . Aug: 17 km/h . Sep: 18 km/h . Oct: 22 km/h . Nov: 21 km/h . Dec: 23 km/h .
Sunshine
Sunshine
Sunshine: Jan: 3h. Feb: 5h. Mar: 7h. Apr: 10h. May: 11h. Jun: 12h. Jul: 11h. Aug: 11h. Sep: 9h. Oct: 6h. Nov: 4h. Dec: 3h.
UV Index
UV Index
Bar chart showing monthly UV index. Jan: UV 1. Feb: UV 2. Mar: UV 4. Apr: UV 5. May: UV 6. Jun: UV 6. Jul: UV 6. Aug: UV 6. 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: 13 days. Feb: 7 days. Mar: 6 days. Apr: 2 days. May: 1 days. Jun: 0 days. Jul: 0 days. Aug: 0 days. Sep: 0 days. Oct: 0 days. Nov: 4 days. Dec: 7 days.
Climate Trends
Average highs have warmed by 1.2°C (2.2°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 | Aug 2025 · 23°C | Aug · 23°C |
| Coldest month | Jan 2025 · -2°C | Jan · 0°C |
| Wettest month | Jan 2025 · 174 mm | Jan · 121 mm |
| Windiest month | Jan 2025 · 22 km/h | Feb · 24 km/h |
Month-by-Month Weather Table
January
Poor 
February
Poor March
Poor April
Fair May best
Good June best
Excellent July best
Good August best
Excellent September best
Good October
Fair November
Poor December
Poor | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | 5°C / 0°C | 0°C / -4°C | 17days (121 mm) Wet | 3.3h Poor | 89% Very Muggy | 1.1 Low | Poor | View Details |
| February | 7°C / 1°C | 3°C / -3°C | 14days (91 mm) Wet | 5.2h Fair | 83% Humid | 1.7 Low | Poor | View Details |
| March | 10°C / 2°C | 6°C / -2°C | 14days (91 mm) Wet | 7.2h Good | 78% Humid | 3.5 Moderate | Poor | View Details |
| April | 13°C / 4°C | 10°C / 1°C | 13days (69 mm) Wet | 9.9h Good | 74% Muggy | 4.5 Moderate | Fair | View Details |
| May best | 17°C / 8°C | 16°C / 6°C | 13days (91 mm) Wet | 10.8h Excellent | 73% Muggy | 5.7 High | Good | View Details |
| June best | 21°C / 13°C | 21°C / 11°C | 14days (108 mm) Wet | 11.5h Excellent | 73% Muggy | 6.2 High | Excellent | View Details |
| July best | 22°C / 14°C | 22°C / 13°C | 15days (96 mm) Wet | 11.4h Excellent | 72% Muggy | 5.9 High | Good | View Details |
| August best | 23°C / 14°C | 22°C / 14°C | 14days (81 mm) Wet | 10.5h Excellent | 74% Muggy | 5.6 High | Excellent | View Details |
| September best | 19°C / 12°C | 18°C / 10°C | 12days (84 mm) Wet | 8.8h Good | 78% Humid | 4.1 Moderate | Good | View Details |
| October | 15°C / 9°C | 12°C / 6°C | 14days (92 mm) Wet | 5.5h Fair | 84% Humid | 2.4 Moderate | Fair | View Details |
| November | 9°C / 4°C | 6°C / 1°C | 15days (80 mm) Wet | 4.1h Fair | 87% Very Muggy | 1.3 Low | Poor | View Details |
| December | 6°C / 2°C | 3°C / -2°C | 17days (105 mm) Wet | 2.8h Poor | 89% Very Muggy | 0.9 Low | Poor | View Details |
Compare Nearby City Climates
Frequently Asked Questions
The best months to visit Stembert 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 Stembert, scoring temperature, rainfall, humidity, and sunshine hours.
The hottest month in Stembert is August, with average daytime highs of 23°C (73°F). Plan outdoor activities for early morning or late afternoon if visiting during this period.
The coldest month in Stembert is January, with average overnight lows of 0°C (32°F). Pack warm layers and expect shorter daylight hours during this period.
The wettest month in Stembert is January, averaging 121mm of precipitation across 17 rainy days. An umbrella or waterproof jacket is essential.
The rainy season in Stembert runs through January, December, July, November, with the heaviest rainfall in January. Based on 10-year averages for Stembert.
Stembert receives approximately 91 sunshine hours per year. The sunniest month is June with around 12 hours. Based on climate data for Stembert.
The least favorable months to visit Stembert are January, February, November, December, primarily due to very cold temperatures, heavy rainfall. For the best conditions, consider May, June, July, August, September instead.
The annual average UV index in Stembert is 4, classified as moderate. Standard sun protection (sunscreen, hat) is recommended during prolonged outdoor exposure.
Average humidity in Stembert is 80%, classified as humid. Humidity levels are generally comfortable and should not affect outdoor activities for most people.
Yes, Stembert receives snow. Months with snowfall average 6 snow days and 9 cm (4 in) of accumulation, with about 8 frost days during winter.
Average wind speeds in Stembert are 20 km/h (12 mph). The windiest month is February with peak winds reaching 24 km/h (15 mph) (gusts up to 48 km/h / 30 mph).
Stembert averages 3 clear-sky days per month with overall cloud cover around 69%. The clearest skies occur in March.
The annual average dew point in Stembert is 7°C (45°F), which feels dry and comfortable. Outdoor activities are comfortable year-round from a humidity standpoint.
Stembert 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 Stembert ranges from 4°C (39°F) to 12°C (54°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 Stembert. It earns a climate score of 7.7/10 with Excellent.
For June in Stembert, pack Umbrella, Waterproof jacket, Waterproof shoes, Sunscreen (SPF 30+), Sunglasses. With average highs of 21°C (70°F) and 14 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.
Last updated: