The sky over Flanders
A country under a moving sky
Flanders sits under an ocean sky, and it can change three or four times in an afternoon: sun, cloud, downpour, sun again. There is a saying here about getting all four seasons in a single day. None of this is a detail of the landscape — it has shaped how people build, how they eat, and what they talk about at the tram stop.
- Autumn Sep – Nov
- Winter Dec – Feb
- Spring Mar – May
- Summer Jun – Aug
Rozenhoedkaai, Bruges — where we stand on Monday the 14th
One view, four skies. The year runs left to right, up to the one you are coming for.
The damp and the changeability built a culture of the warm indoors — what the Flemish call gezelligheid: cafés, fireplaces, long afternoons at the table that nobody is in a hurry to leave. But they also built an almost physical relationship with light. The moment the first ray shows, every terrace fills within minutes and the whole country seems to step outside at once.
People cycle under any sky at all, walk with an umbrella and good humour, and that northern light — diffuse, silvery, never harsh — is the same light the Flemish Primitives turned into gold on their panels. It is worth knowing that before you stand in front of one.
The collective mood follows the barometer. Long grey winters with few hours of daylight test everyone; then the first mild day arrives and sets off a shared, almost festive euphoria. In between: endurance, and a healthy amount of self-mockery about the rain.
Typisch Belgisch weer.
Thirty-year averages
The sky, month by month
Averages for Flanders, taken at Ghent and Bruges. June is marked in every chart, because June is the only column you are really here for.
Scroll sideways to see the whole year.
Temperature
Each bar runs from the average low of the month to the average high.
| Month | Average low | Average high |
|---|---|---|
| January | 2 °C | 6 °C |
| February | 2 °C | 7 °C |
| March | 3 °C | 11 °C |
| April | 5 °C | 15 °C |
| May | 9 °C | 18 °C |
| June | 12 °C | 21 °C |
| July | 14 °C | 23 °C |
| August | 14 °C | 23 °C |
| September | 11 °C | 20 °C |
| October | 8 °C | 15 °C |
| November | 5 °C | 10 °C |
| December | 3 °C | 7 °C |
Rain and sunshine
Two different things: how much water falls, and how much sun reaches the ground. April is the driest month; July is the brightest.
| Month | Rainfall | Sunshine |
|---|---|---|
| January | 53 mm | 59 h |
| February | 45 mm | 76 h |
| March | 42 mm | 115 h |
| April | 30 mm | 150 h |
| May | 42 mm | 191 h |
| June | 46 mm | 188 h |
| July | 48 mm | 201 h |
| August | 47 mm | 187 h |
| September | 50 mm | 143 h |
| October | 53 mm | 114 h |
| November | 57 mm | 66 h |
| December | 55 mm | 50 h |
The longest days of the year
Sunrise and sunset on the birthday
The toast is in Knokke on the 16th, five days before the solstice. The sun comes up before almost anyone is awake and is still there when dinner is over.
How long the day lasts
Not the same as sunshine — this is simply how long the sun is above the horizon.
| Month | hours of daylight per day |
|---|---|
| January | 8.5 |
| February | 9.9 |
| March | 12.0 |
| April | 13.9 |
| May | 15.7 |
| June | 16.5 |
| July | 16.1 |
| August | 14.6 |
| September | 12.6 |
| October | 10.6 |
| November | 8.9 |
| December | 7.9 |
16 June 2027 · Knokke
Sunrise
05:31
Daylight
16 h 35 min
Sunset
22:06
The far ends of the scale
What Belgium is capable of
National records to date. You will meet none of this in June — it is here because the averages above make the country sound tamer than it is.
- 41.8 °C
Hottest on record
25 Jul 2019 · Begijnendijk
- −30.1 °C
Coldest on record
20 Jan 1940 · Rochefort
- 179 mm
Rain in 24 hours
14 Jul 2021 · Stavelot, the Vesdre floods
- 168 km/h
Strongest gust
25 Jan 1990 · Beauvechain, storm Daria
What to pack
Dress like an onion
With a sky this changeable the rule is thin layers you can add and take off through the day. A thick coat is the wrong answer: it is either on or off, and you need somewhere in between.
Layer 1
Next to the skin
T-shirts and a long-sleeved one or two, in something that breathes. This is the layer you take off at two in the afternoon and put back on at seven.
Layer 2
The warm one
A jumper or a light fleece. Mornings and evenings are cool even in June, and dinner on a terrace starts at nine with sun on it and ends without.
Layer 3
The weather one
A waterproof, windproof jacket. This is the piece you cannot skip: the rain arrives without warning and leaves just as fast. A folding umbrella helps inland; on the sea wall at Knokke the wind makes it useless.
And beyond the layers
Comfortable, waterproof shoes
There is a lot of walking on cobbles, and wet cobbles are a different animal.
Sunglasses, a cap and sunscreen
When the northern sun does come out it means it, and in June the day never ends.
A scarf or a light shawl
For the sea wind at Knokke, which blows whether or not the thermometer says twenty-one.
Colours that go together
So you can mix the three layers without thinking about it every morning.
Averages and records from the Royal Meteorological Institute of Belgium (RMI/KMI, Uccle station), checked in August 2026. Photographs of Bruges courtesy of the host.