AI-generatedBrussels at a glance
- Best time
- May – Sep
- Warmest month
- Aug · 23°
- Sunshine a year
- 1,610 h
- Rain a year
- 753 mm
- Climate
- Maritime
- Time zone
- UTC+1 / UTC+2
- Elevation
- 28 m
Climate in Brussels
Brussels has a maritime climate with moderate summers and cool, often grey winters. August is the warmest month with average highs of 23 °C, while January is the coolest at 6 °C. With around 1,610 hours of sunshine a year, Brussels is moderately sunny; June is the sunniest month with 6.6 hours a day.
Holiday weather through the year
Weather in October
Holiday weather in October
Fair
Best time to visit: May – September
Good forSightseeing & walks
A typical day in October
- Morning, 08:00: about 10°
- Midday, 13:00: about 15°
- Afternoon, 16:00: about 15°
- Evening, 20:00: about 13°
- Night, 23:00: about 11°
08:0418:53
Cool evenings: pack a jumper or a jacket.
Estimated from the average high and low: coolest around sunrise, warmest in mid-afternoon.
Light for photos in October
- Golden hour
- Morning 07:43–08:49 · evening 18:08–19:13
- Blue hour
- Morning 07:31–07:43 · evening 19:13–19:26
Golden hour: the sun between 4° below and 6° above the horizon; blue hour: 6° to 4° below it. Times for the 15th of the month; mountains and clouds shift the light.
What is the weather like in Brussels in October?
In October, Brussels is cool: daytime highs average 15 °C, and nights cool down to about 9 °C. The sun is scarce, with only about 4 hours a day. Rain is frequent, with about 12 rainy days and 64 mm in total. All in all, October is a so-so month for a holiday in Brussels.
More details for October
- Daylight
- 10 h 49 min08:04 – 18:53
- UV index
- 2 · lowclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or moreAll months
- Wind
- 20 km/haverage daily peakAll months
- Cloud cover
- 71 %on averageAll months
- Hot days
- 0 days30 °C or moreAll months
- Snow days
- 0 days1 cm or more of fresh snow
- Time zone
- UTC+2Europe/Brussels
How the score comes together
- Temperatureweight 50 %73 %
- Sunshineweight 20 %10 %
- Few rainy daysweight 30 %44 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in October
- A jumper for the evenings
- Rain jacket or umbrella
Sunshine hours in Brussels
Average hours of bright sunshine per day, next to the length of the day. Tap a month to select it.
In October, the sun shines for about 3.6 of 10.8 hours of daylight in Brussels, 33 % of the day.
Sunshine hours: measured at the weather station 6 km away, averages 1991–2020 (WMO climate normals). Daylight is the time from sunrise to sunset on the 15th of the month.
UV index in Brussels
How strong the sun is at noon, month by month, and how quickly unprotected skin burns.
- Clear-sky UV in October
- 2 · lowLittle protection needed; sunglasses on bright days.
The sun is strongest in June (UV 8).
Minutes until sunburn in October
- Very fair skin
- about 65 min
- Fair skin
- about 80 min
- Light brown skin
- about 115 min
- Olive skin
- over 2 h
Rough guide for unprotected skin at noon under a clear sky; clouds lengthen it, water, sand and snow shorten it. Sunscreen extends the time only partly.
Monthly values: clear-sky noon estimate from the sun's angle, ozone and altitude. UV today: Open-Meteo forecast.
Rain in Brussels: rainy days and rainfall
A rainy day is a day with at least 1 mm of rain or snow; the amount is what falls in the whole month. Tap a month to select it.
In October, Brussels has about 12 rainy days with 64 mm of rain in total.
Wind and clouds in Brussels
How breezy and how cloudy Brussels is through the year. Tap a month to select it on the whole page.
Wind
Typical daily peak of the wind in km/h: what the afternoon breeze usually reaches, not the gusts.
In October, the wind in Brussels typically peaks at 20 km/h during the day: Beaufort 4, moderate breeze.
Clouds
Average share of the sky covered by cloud, day and night.
In October, cloud covers on average 71 % of the sky over Brussels: mostly cloudy, with about 3.6 hours of sunshine a day.
Wind: mean daily maximum of the hourly wind 10 m above ground (ERA5, 1996–2025). Gusts are stronger, and the model grid of about 28 km smooths out local effects such as capes and valley winds. Clouds: mean total cloud cover of all layers over day and night (ERA5, 1996–2025). Thin high cloud counts as cover even when the sun still shines through.
Heat and humidity in Brussels
How often the day gets hot in Brussels (30 °C and more), and in which months heat and humidity come together. Tap a month to select it.
Heat calendar
- pleasant
- some hot or muggy days
- often muggy
- often hot
- hot and muggy
In October, Brussels has about 0 hot days, with an average daytime high of 15 °C: pleasant. Heat plays no part this month.
Hot days reach at least 30 °C; a month counts as muggy when the mean dew point reaches 18 °C on at least 15 days. Averages from ERA5 and ERA5-Land, 1996–2025. Muggy nights through the year
Climate through the year
Long-term monthly averages. Tap a month to see its details.
Nights and sleep in Brussels
How warm the nights get in each month, from the mean night-time low. Tap a month for details.
- Cold 0–8°
- Cool 8–15°
CoolOctober: nights around 9°. A duvet at night and a jumper for the evening.
The coolest nights are in January (1°), the warmest in August (14°). Nights fall below 8 °C on average from November to April, so the room should be heated.
Temperatures through the year
Average daytime high, night-time low and sea temperature per month.
| Month | Score | Day | Night | Sun | Rain days | Rain mm |
|---|---|---|---|---|---|---|
| JanuaryJan | 13 | 6° | 1° | 1.9 h | 12 | 64 |
| FebruaryFeb | 14 | 8° | 2° | 2.6 h | 12 | 59 |
| MarchMar | 32 | 11° | 3° | 4.1 h | 11 | 54 |
| AprilApr | 56 | 14° | 5° | 5.7 h | 11 | 46 |
| MayMay | 73 | 18° | 9° | 6.4 h | 12 | 65 |
| JuneJun | 78 | 21° | 12° | 6.6 h | 11 | 66 |
| JulyJul | 74 | 23° | 14° | 6.6 h | 13 | 72 |
| AugustAug | 73 | 23° | 14° | 6.2 h | 12 | 76 |
| SeptemberSep | 74 | 20° | 12° | 5.2 h | 10 | 54 |
| OctoberOct | 52 | 15° | 9° | 3.6 h | 12 | 64 |
| NovemberNov | 22 | 10° | 5° | 2.2 h | 12 | 64 |
| DecemberDec | 11 | 7° | 3° | 1.6 h | 13 | 69 |
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences
50.85° N, 4.35° E · 28 m · Europe/Brussels
Best time to visit Brussels
The best time to visit Brussels is from May to September. For sightseeing, day trips and hiking, conditions are most comfortable in June and from September to October. Rain is most frequent in May and from July to August and from November to December; the wettest month is August with 76 mm.
Brussels through the seasons
How the weather changes over the seasons, with averages for each.
Brussels in spring
Mar – May
Fair
- 11–18 °C by day
- 5 h of sun a day
- 35 rainy days in all
Brussels in summer
Jun – Aug
Good
- 21–23 °C by day
- 7 h of sun a day
- 36 rainy days in all
Brussels in autumn
Sep – Nov
Fair
- 10–20 °C by day
- 4 h of sun a day
- 34 rainy days in all
Brussels in winter
Dec – Feb
Poor
- 6–8 °C by day
- 2 h of sun a day
- 37 rainy days in all
Find your perfect month
Tell us what you like and we rate every month in Brussels for you.
Your best months: June – August
Based on the climate averages; tap a month to see its details.
Compare two months in Brussels
Pick two months to see how the weather differs. A tick marks the clearly better value; for temperatures it depends on your plans.
June has the better holiday weather in Brussels: score 78 against 52. In June, days are 6 °C warmer than in October. June has one rainy day fewer. The sun shines 3 hours longer a day in June.
| Month | October | June |
|---|---|---|
| Weather score | 52 | 78better |
| Day high | 15° | 21° |
| Night low | 9° | 12° |
| Sunshine | 3.6 h | 6.6 hbetter |
| Rainy days | 12 | 11better |
| Rainfall | 64 mm | 66 mm |
Based on the climate averages 1996–2025.
Which month for what?
Beach & swimming
No sea nearby
Sea from 21 °C, warm and mostly dry
Sightseeing & hiking
Jun, Sep – Oct
15–28 °C and not too much rain
Rainy months
May, Jul – Aug, Nov – Dec
12 or more rainy days
Brussels month by month
The typical weather for every month at a glance.
13January6° · 2 h
In January, Brussels is cold: daytime highs average 6 °C, and nights cool down to about 1 °C. The sun is scarce, with only about 2 hours a day. Rain is frequent, with about 12 rainy days and 64 mm in total. All in all, January is not an ideal month for a holiday in Brussels.
Brussels in January14February8° · 3 h
In February, Brussels is cold: daytime highs average 8 °C, and nights cool down to about 2 °C. The sun is scarce, with only about 3 hours a day. Rain is frequent, with about 12 rainy days and 59 mm in total. All in all, February is not an ideal month for a holiday in Brussels.
Brussels in February32March11° · 4 h
In March, Brussels is cool: daytime highs average 11 °C, and nights cool down to about 3 °C. Expect around 4 hours of sunshine a day. Rain is frequent, with about 11 rainy days and 54 mm in total. All in all, March is not an ideal month for a holiday in Brussels.
Brussels in March56April14° · 6 h
In April, Brussels is cool: daytime highs average 14 °C, and nights cool down to about 5 °C. Expect around 6 hours of sunshine a day. Rain is frequent, with about 11 rainy days and 46 mm in total. All in all, April is a so-so month for a holiday in Brussels.
Brussels in April73May18° · 6 h
In May, Brussels is mild: daytime highs average 18 °C, and nights cool down to about 9 °C. Expect around 6 hours of sunshine a day. Rain is frequent, with about 12 rainy days and 65 mm in total. All in all, May is a good month for a holiday in Brussels.
Brussels in May78June21° · 7 h
In June, Brussels is warm: daytime highs average 21 °C, and nights cool down to about 12 °C. The sun shines for around 7 hours a day. Rain is frequent, with about 11 rainy days and 66 mm in total. All in all, June is a good month for a holiday in Brussels.
Brussels in June74July23° · 7 h
In July, Brussels is warm: daytime highs average 23 °C, and nights cool down to about 14 °C. The sun shines for around 7 hours a day. Rain is frequent, with about 13 rainy days and 72 mm in total. All in all, July is a good month for a holiday in Brussels.
Brussels in July73August23° · 6 h
In August, Brussels is warm: daytime highs average 23 °C, and nights cool down to about 14 °C. Expect around 6 hours of sunshine a day. Rain is frequent, with about 12 rainy days and 76 mm in total. All in all, August is a good month for a holiday in Brussels.
Brussels in August74September20° · 5 h
In September, Brussels is mild: daytime highs average 20 °C, and nights cool down to about 12 °C. Expect around 5 hours of sunshine a day. Rain is frequent, with about 10 rainy days and 54 mm in total. All in all, September is a good month for a holiday in Brussels.
Brussels in September52October15° · 4 h
In October, Brussels is cool: daytime highs average 15 °C, and nights cool down to about 9 °C. The sun is scarce, with only about 4 hours a day. Rain is frequent, with about 12 rainy days and 64 mm in total. All in all, October is a so-so month for a holiday in Brussels.
Brussels in October22November10° · 2 h
In November, Brussels is cool: daytime highs average 10 °C, and nights cool down to about 5 °C. The sun is scarce, with only about 2 hours a day. Rain is frequent, with about 12 rainy days and 64 mm in total. All in all, November is not an ideal month for a holiday in Brussels.
Brussels in November11December7° · 2 h
In December, Brussels is cold: daytime highs average 7 °C, and nights cool down to about 3 °C. The sun is scarce, with only about 2 hours a day. Rain is frequent, with about 13 rainy days and 69 mm in total. All in all, December is not an ideal month for a holiday in Brussels.
Brussels in DecemberBrussels compared
Put Brussels side by side with another destination.
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Brussels vs. Waterloo
In October the holiday weather in Brussels and Waterloo is about equally good (score 52 vs. 48). During the day it is about as warm in Waterloo as in Brussels.
| in October | Brussels | Waterloo |
|---|---|---|
| Holiday score | 52 | 48 |
| Daytime high | 15° | 15° |
| Sunshine | 4 h | 4 h |
| Rainy days | 12 | 13 |
| Best time | May – Sep | May – Sep |
Through the year
Belgium in October: the best places
In October, Brussels ranks 4 of 22 destinations in this country.
- Mechelen15°53
- 2Dinant15°53
- 3Ypres15°53
- 4BrusselsThis page15°52
- 5Ghent15°52
- 6Tournai15°52
- 7Leuven15°51
- 8Mons15°51
Planning a trip to Brussels
Weather for your travel dates
Pick your arrival and length of stay, and we sum up the weather to expect.
Brussels in the school holidays
How the weather suits the usual holiday periods. Dates vary by school and region, so each holiday uses the months it usually falls in.
Brussels has its best school-holiday weather during May half-term (score 74) and its weakest during the Christmas holidays (score 12).
- 49
Easter holidays
Mar – Apr
Fair
- 13 °C by day
- 5.2 h of sun a day
- 11 rainy days a month
- 74
May half-term
May – Jun
GoodBest holidays
- 19 °C by day
- 6.4 h of sun a day
- 12 rainy days a month
Keep in mind: Frequent rain
- 73
Summer holidays
Jul – Aug
Good
- 23 °C by day
- 6.3 h of sun a day
- 12 rainy days a month
Keep in mind: Frequent rain
- 52
October half-term
Oct
Fair
- 15 °C by day
- 3.6 h of sun a day
- 12 rainy days a month
Good for: Sightseeing & walks
- 12
Christmas holidays
Dec – Jan
Poor
- 6 °C by day
- 1.8 h of sun a day
- 13 rainy days a month
Keep in mind: Frequent rain
Based on the climate averages 1996–2025.
Getting there
Flying from
- Nonstop flight
- Short trip – train or car is often quicker
- Distance
- 340 km
- Time zone
- UTC+2
- Jet lag
- Hardly any (under 3 h)
Estimated from the straight-line distance: 30 minutes for take-off and landing plus 830 km/h cruising speed.
Frequently asked questions about Brussels
When is the best time to visit Brussels?
The best time to visit Brussels is from May to September. That is when the holiday weather score, which combines temperature, sea, sunshine and rain, is highest.
What is the warmest month in Brussels?
August is the warmest month, with average highs of 23 °C and nights around 14 °C. January is the coolest month at 6 °C.
When does it rain most in Brussels?
Rain is most frequent in May and from July to August and from November to December; the wettest month is August with 76 mm. The driest month is April with 46 mm.
How many hours of sunshine does Brussels get?
Brussels gets around 1,610 hours of sunshine a year. The sunniest month is June with 6.6 hours a day; in December there are 1.6 hours a day.
What time zone is Brussels in?
Brussels uses the time zone Europe/Brussels: UTC+1 in January and UTC+2 in July.
Which school holidays are best for Brussels?
Brussels has its best school-holiday weather during May half-term (score 74) and its weakest during the Christmas holidays (score 12). Holiday ratings (0–100): Easter holidays 49, May half-term 74, Summer holidays 73, October half-term 52, Christmas holidays 12.
Near Brussels
Other destinations close by.
Places with a climate like Brussels
Destinations whose weather through the year is closest to Brussels's – good alternatives.