AI-generatedAalst at a glance
- Best time
- May – Sep
- Warmest month
- Jul · 24°
- Sunshine a year
- 1,670 h
- Rain a year
- 752 mm
- Climate
- Maritime
- Time zone
- UTC+1 / UTC+2
- Elevation
- 12 m
Climate in Aalst
Aalst has a maritime climate with moderate summers and cool, often grey winters. July is the warmest month with average highs of 24 °C, while January is the coolest at 7 °C. With around 1,670 hours of sunshine a year, Aalst is moderately sunny; June is the sunniest month with 6.9 hours a day.
Holiday weather through the year
Best time to visit Aalst
The best time to visit Aalst is from May to September. For sightseeing, day trips and hiking, conditions are most comfortable in April, in June and from September to October. Rain is frequent from November to January; the wettest month is August with 76 mm.
Aalst through the seasons
How the weather changes over the seasons, with averages for each.
Aalst in spring
Mar – May
Fair
- 11–19 °C by day
- 5.6 h of sun a day
- 35 rainy days in all
Aalst in summer
Jun – Aug
Good
- 22–24 °C by day
- 6.7 h of sun a day
- 36 rainy days in all
Aalst in autumn
Sep – Nov
Fair
- 11–20 °C by day
- 3.7 h of sun a day
- 35 rainy days in all
Aalst in winter
Dec – Feb
Poor
- 7–8 °C by day
- 2.2 h of sun a day
- 37 rainy days in all
Which month for what?
Beach & swimming
No sea nearby
Sea from 21 °C, warm and mostly dry
Sightseeing & hiking
Apr, Jun, Sep – Oct
15–28 °C and not too much rain
Rainy months
Nov – Jan
Rainy season or more than 12 rainy days
Find your perfect month
Tell us what you like and we rate every month in Aalst for you.
Your best months: June – August
Based on the climate averages; tap a month to see its details.
Weather in October
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 9°
- Midday, 13:00: about 15°
- Afternoon, 16:00: about 16°
- Evening, 20:00: about 13°
- Night, 23:00: about 11°
08:0518:54
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 07:45–08:50 · evening 18:09–19:14
- Blue hour
- Morning 07:32–07:45 · evening 19:14–19:27
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.
October in Aalst compared with home
Loading the climate at home …
Early or late October?
In October, daytime highs fall from about 18° at the start of the month to 13° at the end. The days get 1.8 h shorter.
| October | 1 Oct | 31 Oct |
|---|---|---|
| Daytime high | 18° | 13° |
| Night-time low | 10° | 6° |
| Daylight | 11.7 h | 9.9 h |
What is the weather like in Aalst in October?
In October, Aalst is cool: daytime highs average 16 °C, and nights cool down to about 8 °C. The sun is scarce, with only about 3.8 hours a day. Rain is frequent, with about 12 rainy days and 65 mm in total. All in all, October is a so-so month for a holiday in Aalst.
More details for October
- Daylight
- 10 h 49 min08:05 – 18:54
- 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+2offset from UTC
How the score comes together
- Temperatureweight 50 %77 %
- Sunshineweight 20 %13 %
- 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
Compare two months in Aalst
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 Aalst: score 79 against 54. 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 |
|---|---|---|
| Holiday weather score | 54 | 79better |
| Daytime high | 16° | 22° |
| Night-time low | 8° | 12° |
| Sunshine | 3.8 h | 6.9 hbetter |
| Rainy days | 12 | 11better |
| Rainfall | 65 mm | 65 mm |
Based on the climate averages 1996–2025.
Aalst month by month
The typical weather for every month at a glance.
12January7° · 2.1 h
In January, Aalst is cold: daytime highs average 7 °C, and nights cool down to about 2 °C. The sun is scarce, with only about 2.1 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 Aalst.
Aalst in January14February8° · 2.8 h
In February, Aalst is cold: daytime highs average 8 °C, and nights cool down to about 2 °C. The sun is scarce, with only about 2.8 hours a day. Rain is frequent, with about 11 rainy days and 58 mm in total. All in all, February is not an ideal month for a holiday in Aalst.
Aalst in February35March11° · 4.3 h
In March, Aalst is cool: daytime highs average 11 °C, and nights cool down to about 3 °C. Expect around 4.3 hours of sunshine a day. Rain is frequent, with about 12 rainy days and 55 mm in total. All in all, March is not an ideal month for a holiday in Aalst.
Aalst in March61April16° · 5.9 h
In April, Aalst is cool: daytime highs average 16 °C, and nights cool down to about 6 °C. Expect around 5.9 hours of sunshine a day. Rain is frequent, with about 11 rainy days and 47 mm in total. All in all, April is a good month for a holiday in Aalst.
Aalst in April74May19° · 6.6 h
In May, Aalst is mild: daytime highs average 19 °C, and nights cool down to about 9 °C. The sun shines for around 6.6 hours 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 Aalst.
Aalst in May79June22° · 6.9 h
In June, Aalst is warm: daytime highs average 22 °C, and nights cool down to about 12 °C. The sun shines for around 6.9 hours a day. Rain is frequent, with about 11 rainy days and 65 mm in total. All in all, June is a good month for a holiday in Aalst.
Aalst in June74July24° · 6.8 h
In July, Aalst is warm: daytime highs average 24 °C, and nights cool down to about 14 °C. The sun shines for around 6.8 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 Aalst.
Aalst in July73August24° · 6.4 h
In August, Aalst is warm: daytime highs average 24 °C, and nights cool down to about 14 °C. Expect around 6.4 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 Aalst.
Aalst in August74September20° · 5.2 h
In September, Aalst is mild: daytime highs average 20 °C, and nights cool down to about 11 °C. Expect around 5.2 hours of sunshine a day. Rain is frequent, with about 10 rainy days and 55 mm in total. All in all, September is a good month for a holiday in Aalst.
Aalst in September54October16° · 3.8 h
In October, Aalst is cool: daytime highs average 16 °C, and nights cool down to about 8 °C. The sun is scarce, with only about 3.8 hours a day. Rain is frequent, with about 12 rainy days and 65 mm in total. All in all, October is a so-so month for a holiday in Aalst.
Aalst in October25November11° · 2.2 h
In November, Aalst is cool: daytime highs average 11 °C, and nights cool down to about 5 °C. The sun is scarce, with only about 2.2 hours a day. Rain is frequent, with about 13 rainy days and 65 mm in total. All in all, November is not an ideal month for a holiday in Aalst.
Aalst in November11December7° · 1.7 h
In December, Aalst is cold: daytime highs average 7 °C, and nights cool down to about 2 °C. The sun is scarce, with only about 1.7 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 Aalst.
Aalst in DecemberClimate in detail
Year & climate table
Climate through the year
Long-term monthly averages. Tap a month to see its details.
Nights and sleep in Aalst
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 8°. A duvet at night and a jumper for the evening.
The coolest nights are in January (2°), the warmest in July (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 | 12 | 7° | 2° | 2.1 h | 12 | 64 |
| FebruaryFeb | 14 | 8° | 2° | 2.8 h | 11 | 58 |
| MarchMar | 35 | 11° | 3° | 4.3 h | 12 | 55 |
| AprilApr | 61 | 16° | 6° | 5.9 h | 11 | 47 |
| MayMay | 74 | 19° | 9° | 6.6 h | 12 | 65 |
| JuneJun | 79 | 22° | 12° | 6.9 h | 11 | 65 |
| JulyJul | 74 | 24° | 14° | 6.8 h | 13 | 72 |
| AugustAug | 73 | 24° | 14° | 6.4 h | 12 | 76 |
| SeptemberSep | 74 | 20° | 11° | 5.2 h | 10 | 55 |
| OctoberOct | 54 | 16° | 8° | 3.8 h | 12 | 65 |
| NovemberNov | 25 | 11° | 5° | 2.2 h | 13 | 65 |
| DecemberDec | 11 | 7° | 2° | 1.7 h | 13 | 69 |
Climate averages 1996–2025 (sunshine partly WMO station normals 1991–2020), 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
50.94° N, 4.04° E · 12 m · Europe/Brussels
Sunshine
Sunshine hours in Aalst
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 3.8 of 10.8 hours of daylight in Aalst, 35 % of the daylight hours.
Sunshine hours: estimated from radiation data (ERA5, 1996–2025) and calibrated against measured station values; no weather station is close enough here. Daylight is the time from sunrise to sunset on the 15th of the month.
Rain
Rain in Aalst: 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, Aalst has about 12 rainy days with 65 mm of rain in total.
UV index
UV index in Aalst
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 85 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 the time, 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.
Wind & clouds
Wind and clouds in Aalst
How breezy and how cloudy Aalst 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 Aalst 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 Aalst: mostly cloudy, with about 3.8 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 & humidity
Heat and humidity in Aalst
How often the day gets hot in Aalst (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, Aalst has about 0 hot days, with an average daytime high of 16 °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
Planning a trip to Aalst
Weather for your travel dates
Pick your arrival and length of stay, and we sum up the weather to expect.
Aalst 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.
Aalst has its best school-holiday weather during May half-term (score 75) and its weakest during the Christmas holidays (score 12).
- 53
Easter holidays
Mar – Apr
Fair
- 14 °C by day
- 5.4 h of sun a day
- 11 rainy days a month
- 75
May half-term
May – Jun
GoodBest holidays
- 20 °C by day
- 6.7 h of sun a day
- 12 rainy days a month
- 73
Summer holidays
Jul – Aug
Good
- 24 °C by day
- 6.5 h of sun a day
- 13 rainy days a month
- 54
October half-term
Oct
Fair
- 16 °C by day
- 3.8 h of sun a day
- 12 rainy days a month
Good for: Sightseeing & walks
- 12
Christmas holidays
Dec – Jan
Poor
- 7 °C by day
- 1.9 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
- 320 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.
Good to know: Belgium
- Currency
- Euro (EUR)
- Languages
- Dutch, French, German
- Sockets
- Type C, E · 230 V
- Traffic
- Drives on the right
- Dialling code
- +32
- Emergency number
- 112
UK plugs need a travel adapter
Sources: GeoNames (CC BY 4.0) and Wikidata (CC0). Please check details before you travel.
Compare & alternatives
Compare with another place
Aalst compared
Put Aalst side by side with another destination.
Aalst vs Dendermonde
In October the holiday weather in Aalst and Dendermonde is about equally good (score 54 vs 54). During the day it is about as warm in Dendermonde as in Aalst.
| in October | Aalst | Dendermonde |
|---|---|---|
| Holiday weather score | 54 | 54 |
| Daytime high | 16° | 16° |
| Sunshine | 4 h | 4 h |
| Rainy days | 12 | 12 |
| Best time | May – Sep | May – Sep |
Through the year
Best places in the country
Belgium in October: the best places
In October, Aalst ranks 1 among the 31 nearest destinations in this country.
- AalstThis page16°54
- 2Dendermonde16°54
- 3Ghent16°54
- 4Mechelen16°54
- 5Ath16°54
- 6Kortrijk16°54
- 7Tournai16°54
- 8Diest16°54
Places nearby
Near Aalst
Other destinations close by.
Places with a similar climate
Places with a climate like Aalst
Destinations whose weather through the year is closest to Aalst's – good alternatives.
Frequently asked questions about Aalst
When is the best time to visit Aalst?
The best time to visit Aalst 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 Aalst?
July is the warmest month, with average highs of 24 °C and nights around 14 °C. January is the coolest month at 7 °C.
When does it rain most in Aalst?
Rain is frequent from November to January; the wettest month is August with 76 mm. The driest month is April with 47 mm.
How many hours of sunshine does Aalst get?
Aalst gets around 1,670 hours of sunshine a year. The sunniest month is June with 6.9 hours a day; in December there are 1.7 hours a day.
What time zone is Aalst in?
Aalst is on UTC+1 in January and UTC+2 in July.
Which school holidays are best for Aalst?
Aalst has its best school-holiday weather during May half-term (score 75) and its weakest during the Christmas holidays (score 12). Holiday ratings (0–100): Easter holidays 53, May half-term 75, summer holidays 73, October half-term 54, Christmas holidays 12.