Aalter in Spring
In spring (March, April and May), Aalter sees average daytime highs around 14°C and overnight lows near 6°C, with 174 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 19°C by late May. The sky is clear or mostly clear about 19% of the time across spring, and the air most often feels dry.
Spring is Aalter's 3rd-best season to visit on our travel score. For the whole year in context, see Aalter's year-round climate.
- Avg daytime high
- 14°C
- 3rd-warmest season
- Avg overnight low
- 6°C
- Precipitation
- 174 mm
- 36 wet days
- Avg wind
- 14 km/h
- Travel score
- 3.9
- 3rd-best season
- Months
- Mar · Apr · May
Temperature in Aalter in Spring
Over the season highs climb from about 9°C in early March to 19°C by late May.
A typical spring day in Aalter reaches about 14°C and drops to 6°C overnight. The warmest of the three months is May, the coolest March.
How spring really feels in Aalter
Once humidity and wind are folded in, spring brings about 0 days that feel above 32°C and 10 that feel at or below 0°C.
The story in spring is cold — wind chill drags the overnight "feels like" below the raw low.
Aalter 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° | 62 | 12.2 | 1 | 8.2 | 0.5 |
| Feb | 7° / 2° | 54 | 10.9 | 1.2 | 9.6 | 0.9 |
| Mar | 10° / 4° | 55 | 11.5 | 0.8 | 11.5 | 2.4 |
| Apr | 14° / 6° | 53 | 12 | 0 | 13.5 | 3.9 |
| May | 18° / 9° | 65 | 12.5 | 0 | 15.3 | 5.3 |
| Jun | 20° / 12° | 66 | 11.3 | 0 | 16.2 | 5.9 |
| Jul | 22° / 14° | 76 | 12.5 | 0 | 15.9 | 6.3 |
| Aug | 22° / 14° | 79 | 12 | 0 | 14.4 | 6.3 |
| Sep | 19° / 12° | 60 | 10.6 | 0 | 12.4 | 5.8 |
| Oct | 15° / 9° | 61 | 11.7 | 0 | 10.4 | 4.2 |
| Nov | 10° / 5° | 64 | 12.5 | 0.3 | 8.7 | 2.0 |
| Dec | 7° / 3° | 72 | 12.9 | 1.1 | 7.8 | 0.8 |
Cloud cover in Spring
The sky is clear or mostly clear about 19% of the time across spring.
Chance of precipitation in Spring
Aalter gets around 174 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 14 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 4.1 kWh/m².
Is spring a good time to visit Aalter?
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 weaker month for outdoor sightseeing in Aalter.
What to pack for Aalter in Spring
From spring's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In spring, Aalter sees daytime highs around 14°C and nights near 6°C. Pack a warm layer. Worth having: rain gear and sun protection. About 36 days see rain.
Sea temperature near Aalter in Spring
The nearest coast averages about 9°C across spring — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 32 km away) is warmest in August at about 19°C and coldest in February near 6°C.
The water stays below 20°C all year — cool enough that most swimmers want a wetsuit.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 6 | 6 | 6 | 9 | 12 | 16 | 18 | 19 | 18 | 15 | 11 | 8 |
| Comfort | Bracing | Bracing | Bracing | Bracing | Bracing | Cool | Cool | Cool | Cool | Bracing | Bracing | Bracing |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 6 | Bracing |
| Feb | 6 | Bracing |
| Mar | 6 | Bracing |
| Apr | 9 | Bracing |
| May | 12 | Bracing |
| Jun | 16 | Cool |
| Jul | 18 | Cool |
| Aug | 19 | Cool |
| Sep | 18 | Cool |
| Oct | 15 | Bracing |
| Nov | 11 | Bracing |
| Dec | 8 | Bracing |
UV index in Aalter 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 Aalter peaks around June 21 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 Aalter 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 Aalter is worst in April — around 17 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 | 13 | 17 | 17 | 16 | 15 | 13 | 15 | 14 | 12 | 12 | 11 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 12 | Moderate |
| Feb | 13 | Moderate |
| Mar | 17 | Moderate |
| Apr | 17 | Moderate |
| May | 16 | Moderate |
| Jun | 15 | Moderate |
| Jul | 13 | Moderate |
| Aug | 15 | Moderate |
| Sep | 14 | Moderate |
| Oct | 12 | Moderate |
| Nov | 12 | Good |
| Dec | 11 | Good |
Where is Aalter?
Aalter sits at 51.1°N, 3.4°E, 17 m above sea level, in Belgium. The nearest listed city is Maldegem, 13 km away.
Topography around Aalter
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Aalter.
Within 3 km, the terrain around Aalter has only modest variations in elevation — a maximum elevation change of 38 m around an average of 13 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 66 m; within 80 km, significant variations in elevation — a maximum elevation change of 282 m.
The land around Aalter is covered by cropland (32%), grassland (26%) and trees (25%) within 3 km, cropland (36%) and grassland (35%) within 16 km, and cropland (34%) and water (23%) 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 Aalter (51.0902°, 3.4469°, elevation 17 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.