Tournai in Summer

In summer (June, July and August), Tournai sees average daytime highs around 22°C and overnight lows near 13°C, with 190 mm of rain over about 33 wet days across the season. It is the warmest season of the year and the 2nd-wettest season.

Across summer, daytime highs hold fairly steady around 22°C. The sky is clear or mostly clear about 18% of the time across summer, and the air most often feels dry.

Summer is Tournai's best season of the year to visit on our travel score. For the whole year in context, see Tournai's year-round climate.

Avg daytime high
22°C
warmest season of the year
Avg overnight low
13°C
Rainfall
190 mm
33 wet days
Avg wind
12 km/h
Travel score
6.4
best season of the year
Months
Jun · Jul · Aug

Temperature in Tournai in Summer

Average highAverage lowShaded bands: 10–90% of days

Across summer, daytime highs hold fairly steady around 22°C.

A typical summer day in Tournai reaches about 22°C and drops to 13°C overnight. The warmest of the three months is July, the coolest June.

10°15°20°25°30°JunJulAug

How summer really feels in Tournai

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

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

summer sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Tournai weather by month

How the three summer months (June, July and August) 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 / 6412.318.30.5
Feb / 5611.11.39.70.9
Mar11° / 5511.50.711.52.4
Apr14° / 4711.2013.54.0
May18° / 6312.2015.25.3
Jun21° / 12°6010.7016.26.1
Jul23° / 14°6311015.86.5
Aug23° / 14°6811.4014.36.5
Sep19° / 11°509.8012.46.0
Oct15° / 6011010.44.2
Nov10° / 6311.90.48.72.0
Dec / 7413.217.80.8

Cloud cover in Summer

ClearMostly clearPartly cloudyMostly cloudyOvercast

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

0%25%50%75%100%JunJulAug

Chance of precipitation in Summer

Any precipitation

Tournai gets around 190 mm of rain over 33 wet days across summer. The line is the day-by-day chance of measurable precipitation.

0%10%20%30%40%50%JunJulAug

Humidity in Summer

DryComfortableHumidMuggyOppressiveMiserable

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

0%25%50%75%100%JunJulAug

Wind in Summer

Winds average 12 km/h across summer.

051015JunJulAug

Sunrise & sunset in Summer

DaylightNight

Daylight runs from about 15 h 54 min in early June to 13 h 24 min by late August. The lit band spans sunrise to sunset each day.

12 AM4 AM8 AM12 PM4 PM8 PM12 AMJunJulAug

Solar energy in Summer

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day across summer, about 5.0 kWh/m².

0246JunJulAug
Planning a trip in summer

Is summer a good time to visit Tournai?

Our two travel scores rate summer for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.

6.4
Sightseeing
1st-best month of the year
4.4
Beach & pool
1st-best month of the year

summer is a reasonable time to visit Tournai for sightseeing.

What to pack for Tournai in Summer

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

In summer, Tournai sees daytime highs around 22°C and nights near 13°C. Worth packing: light clothes, rain gear and sun protection. About 33 days see rain.

light clothesrain gearsun protection

UV index in Tournai in Summer

LowModerateHighVery highExtreme

Clear-sky midday UV across summer averages around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Tournai peaks around June 23 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowJun 23UV 6Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb1Low
Mar3Moderate
Apr4Moderate
May6High
Jun6High
Jul6High
Aug6High
Sep4Moderate
Oct2Moderate
Nov1Low
Dec1Low
Location & terrain

Where is Tournai?

Tournai sits at 50.6°N, 3.4°E, 24 m above sea level, in Belgium. The nearest listed city is Hem, 15 km away.

Villeneuve-d'AscqWattrelosRoubaixSaint-Amand-les-EauxPéruwelzCroixWasquehal

Topography around Tournai

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

Within 3 km, the terrain around Tournai has only modest variations in elevation — a maximum elevation change of 72 m around an average of 30 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 258 m; within 80 km, significant variations in elevation — a maximum elevation change of 392 m.

The land around Tournai is covered by artificial surfaces (28%), trees (27%) and cropland (27%) within 3 km, cropland (53%) and grassland (20%) within 16 km, and cropland (51%) and grassland (21%) within 80 km.

3 km
72 m
16 km
258 m
80 km
392 m
treesgrasslandcroplandartificial surfaceswater
Summer weather nearby: Hem 15 km · Villeneuve-d'Ascq 16 km · Wattrelos 16 km · Roubaix 18 km · Saint-Amand-les-Eaux 18 km · Péruwelz 18 km · Croix 19 km · Wasquehal 19 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 Tournai (50.6071°, 3.3893°, elevation 24 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.