Zolder in Spring
In spring (March, April and May), Zolder sees average daytime highs around 15°C and overnight lows near 6°C, with 168 mm of precipitation over about 36 wet days across the season. It is the 3rd-warmest season and the driest season of the year.
Over the season highs climb from about 9°C in early March to 20°C by late May. The sky is clear or mostly clear about 18% of the time across spring, and the air most often feels dry.
Spring is Zolder's 2nd-best season to visit on our travel score. For the whole year in context, see Zolder's year-round climate.
- Avg daytime high
- 15°C
- 3rd-warmest season
- Avg overnight low
- 6°C
- Precipitation
- 168 mm
- 36 wet days
- Avg wind
- 13 km/h
- Travel score
- 4.0
- 2nd-best season
- Months
- Mar · Apr · May
Temperature in Zolder in Spring
Over the season highs climb from about 9°C in early March to 20°C by late May.
A typical spring day in Zolder reaches about 15°C and drops to 6°C overnight. The warmest of the three months is May, the coolest March.
How spring really feels in Zolder
Once humidity and wind are folded in, spring brings about 0 days that feel above 32°C and 14 that feel at or below 0°C.
The story in spring is cold — wind chill drags the overnight "feels like" below the raw low.
Zolder weather by month
How the three spring months (March, April and May) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | 6° / 2° | 66 | 12.1 | 1.2 | 8.2 | 0.3 |
| Feb | 7° / 2° | 60 | 11.3 | 1.8 | 9.6 | 0.7 |
| Mar | 11° / 4° | 60 | 12.5 | 0.9 | 11.5 | 2.3 |
| Apr | 15° / 6° | 48 | 10.9 | 0 | 13.5 | 4.2 |
| May | 18° / 9° | 60 | 12.1 | 0 | 15.3 | 5.5 |
| Jun | 21° / 12° | 69 | 12.4 | 0 | 16.2 | 5.9 |
| Jul | 23° / 14° | 75 | 12.7 | 0 | 15.8 | 6.4 |
| Aug | 23° / 14° | 75 | 12.2 | 0 | 14.3 | 6.4 |
| Sep | 19° / 11° | 58 | 10.5 | 0 | 12.4 | 5.9 |
| Oct | 15° / 8° | 61 | 11.3 | 0 | 10.4 | 4.1 |
| Nov | 10° / 5° | 64 | 12.1 | 0.3 | 8.7 | 1.9 |
| Dec | 6° / 2° | 77 | 13.6 | 1.7 | 7.8 | 0.6 |
Cloud cover in Spring
The sky is clear or mostly clear about 18% of the time across spring.
Chance of precipitation in Spring
Zolder gets around 168 mm of rain and snow over 36 wet days across spring. The line is the day-by-day chance of measurable precipitation.
Humidity in Spring
Most of spring feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Spring
Winds average 13 km/h across spring.
Sunrise & sunset in Spring
Daylight runs from about 10 h 30 min in early March to 15 h 54 min by late May. The lit band spans sunrise to sunset each day.
Solar energy in Spring
Average shortwave solar energy reaching the ground each day across spring, about 4.0 kWh/m².
Is spring a good time to visit Zolder?
Our two travel scores rate spring for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
spring is a reasonable time to visit Zolder for sightseeing.
What to pack for Zolder in Spring
From spring's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In spring, Zolder sees daytime highs around 15°C and nights near 6°C. Pack a warm layer. Worth having: rain gear and sun protection. About 36 days see rain.
UV index in Zolder in Spring
Clear-sky midday UV across spring averages around 4 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Zolder peaks around July 13 at about 6 (high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near January 1 at about 1 (low).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 6 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 1 | 1 | 3 | 4 | 6 | 6 | 6 | 6 | 4 | 2 | 1 | 1 |
| Level | Low | Low | Moderate | Moderate | High | High | High | High | Moderate | Moderate | Low | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 1 | Low |
| Feb | 1 | Low |
| Mar | 3 | Moderate |
| Apr | 4 | Moderate |
| May | 6 | High |
| Jun | 6 | High |
| Jul | 6 | High |
| Aug | 6 | High |
| Sep | 4 | Moderate |
| Oct | 2 | Moderate |
| Nov | 1 | Low |
| Dec | 1 | Low |
Air quality in Zolder in Spring
Average fine-particle pollution (PM2.5) through the year — so you can see where spring falls, not just the annual average.
Air quality in Zolder is worst in April — around 16 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 12 | 12 | 16 | 16 | 15 | 14 | 13 | 14 | 13 | 12 | 11 | 11 |
| Level | Good | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 12 | Good |
| Feb | 12 | Moderate |
| Mar | 16 | Moderate |
| Apr | 16 | Moderate |
| May | 15 | Moderate |
| Jun | 14 | Moderate |
| Jul | 13 | Moderate |
| Aug | 14 | Moderate |
| Sep | 13 | Moderate |
| Oct | 12 | Good |
| Nov | 11 | Good |
| Dec | 11 | Good |
Where is Zolder?
Zolder sits at 51.0°N, 5.3°E, 39 m above sea level, in Belgium. The nearest listed city is Heusden, 2.0 km away.
Topography around Zolder
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Zolder.
Within 3 km, the terrain around Zolder has only modest variations in elevation — a maximum elevation change of 55 m around an average of 42 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 149 m; within 80 km, large variations in elevation — a maximum elevation change of 746 m.
The land around Zolder is covered by trees (58%) and artificial surfaces (25%) within 3 km, trees (42%) and grassland (29%) within 16 km, and trees (35%), cropland (28%) and grassland (25%) within 80 km.
Belgium travel facts
- Travel advisory
- Level 2
- Exercise Increased Caution
- Power plugs
- Type C / E
- 230 V · 50 Hz
- Prices
- ≈ 81% of US
- price level, 2025
- GDP per capita
- $60,750
- 2025
- Happiness
- 6.9 / 10
- World Happiness, 2025
- Safe drinking water
- 100%
- of population, 2024
- Homicide rate
- 1.1
- per 100k, 2021
- Road deaths
- 5.8
- per 100k/yr, 2019
- Income group
- High
- World Bank
- English
- Very high
- EF EPI 608
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Zolder (51.0245°, 5.3098°, elevation 39 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google.