Saint-Gilles in Spring

In spring (March, April and May), Saint-Gilles sees average daytime highs around 14°C and overnight lows near 6°C, with 166 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 18% of the time across spring, and the air most often feels dry.

Spring is Saint-Gilles's 3rd-best season to visit on our travel score. For the whole year in context, see Saint-Gilles's year-round climate.

Avg daytime high
14°C
3rd-warmest season
Avg overnight low
6°C
Precipitation
166 mm
36 wet days
Avg wind
14 km/h
Travel score
3.8
3rd-best season
Months
Mar · Apr · May

Temperature in Saint-Gilles in Spring

Average highAverage lowShaded bands: 10–90% of days

Over the season highs climb from about 9°C in early March to 19°C by late May.

A typical spring day in Saint-Gilles reaches about 14°C and drops to 6°C overnight. The warmest of the three months is May, the coolest March.

10°20°30°MarAprMay

How spring really feels in Saint-Gilles

Once humidity and wind are folded in, spring brings about 0 days that feel above 32°C and 16 that feel at or below 0°C.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
16
wind chill below the day's low

The story in spring is cold — wind chill drags the overnight "feels like" below the raw low.

Saint-Gilles 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.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 63121.28.20.4
Feb / 5811.31.79.70.7
Mar10° / 5611.80.911.52.3
Apr14° / 4811.5013.53.9
May18° / 6212.2015.25.3
Jun21° / 12°6511.6016.25.9
Jul23° / 14°7012.3015.86.4
Aug22° / 14°7312.1014.36.3
Sep19° / 11°5410.5012.45.9
Oct15° / 5811.2010.44.1
Nov10° / 6411.90.48.71.9
Dec / 74131.47.80.6

Cloud cover in Spring

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 18% of the time across spring.

0%25%50%75%100%MarAprMay

Chance of precipitation in Spring

Any precipitationSnow

Saint-Gilles gets around 166 mm of rain and snow over 36 wet days across spring. The line is the day-by-day chance of measurable precipitation.

0%20%40%60%MarAprMay

Humidity in Spring

DryComfortableHumidMuggyOppressiveMiserable

Most of spring feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

0%25%50%75%100%MarAprMay

Wind in Spring

Winds average 14 km/h across spring.

05101520MarAprMay

Sunrise & sunset in Spring

DaylightNight

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.

12 AM4 AM8 AM12 PM4 PM8 PM12 AMMarAprMay

Solar energy in Spring

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day across spring, about 4.0 kWh/m².

0246MarAprMay
Planning a trip in spring

Is spring a good time to visit Saint-Gilles?

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.

3.8
Sightseeing
3rd-best month of the year
0.6
Beach & pool
3rd-best month of the year

spring is a weaker month for outdoor sightseeing in Saint-Gilles.

What to pack for Saint-Gilles in Spring

From spring's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In spring, Saint-Gilles 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.

a warm layerrain gearsun protection

UV index in Saint-Gilles in Spring

LowModerateHighVery highExtreme

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 Saint-Gilles 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 December 22 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 7 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowJul 13UV 6Dec 22UV 1
UV index (midday)Level
Jan1Low
Feb1Low
Mar3Moderate
Apr4Moderate
May6High
Jun6High
Jul6High
Aug6High
Sep4Moderate
Oct2Moderate
Nov1Low
Dec1Low

Air quality in Saint-Gilles in Spring

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where spring falls, not just the annual average.

Air quality in Saint-Gilles is worst in April — around 18 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

Modeled monthly averages (CAMS reanalysis, 2015–2024).

01020JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodApr 1317 µg/m³Dec 1511 µg/m³
PM2.5 (µg/m³)Level
Jan13Moderate
Feb13Moderate
Mar17Moderate
Apr18Moderate
May16Moderate
Jun15Moderate
Jul14Moderate
Aug15Moderate
Sep15Moderate
Oct13Moderate
Nov12Moderate
Dec11Good
Location & terrain

Where is Saint-Gilles?

Saint-Gilles sits at 50.8°N, 4.3°E, 59 m above sea level, in Belgium. The nearest listed city is Forest, 2.0 km away.

Topography around Saint-Gilles

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Saint-Gilles.

Within 3 km, the terrain around Saint-Gilles has only modest variations in elevation — a maximum elevation change of 120 m around an average of 55 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 161 m; within 80 km, significant variations in elevation — a maximum elevation change of 447 m.

The land around Saint-Gilles is covered by artificial surfaces (78%) and trees (20%) within 3 km, trees (39%) and artificial surfaces (25%) within 16 km, and cropland (35%), trees (28%) and grassland (24%) within 80 km.

3 km
120 m
16 km
161 m
80 km
447 m
treesgrasslandcroplandartificial surfaceswater
Spring weather nearby: Forest 2.0 km · Ixelles 2.0 km · Anderlecht 2.0 km · Brussels 3.0 km · Uccle 3.0 km · Etterbeek 3.0 km · Molenbeek-Saint-Jean 3.0 km · Saint-Josse-ten-Noode 4.0 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
Roman Catholic 57%nonbeliever/agnostic 20%atheist 9%Muslim 7%

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 Saint-Gilles (50.8276°, 4.3439°, elevation 59 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.