AI-generatedWaterloo at a glance
- Best time
- May – Sep
- Warmest month
- Aug · 22°
- Sunshine a year
- 1,610 h
- Rain a year
- 794 mm
- Climate
- Maritime
- Time zone
- UTC+1 / UTC+2
- Elevation
- 119 m
Climate in Waterloo
Waterloo has a maritime climate with moderate summers and cool, often grey winters. August is the warmest month with average highs of 22 °C, while January is the coolest at 6 °C. With around 1,610 hours of sunshine a year, Waterloo 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
Keep in mindFrequent rain
A typical day in October
- Morning, 08:00: about 9°
- Midday, 13:00: about 14°
- Afternoon, 16:00: about 15°
- Evening, 20:00: about 12°
- Night, 23:00: about 11°
08:0318:53
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 07:43–08:48 · evening 18:08–19:13
- Blue hour
- Morning 07:30–07:43 · 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 Waterloo in October?
In October, Waterloo 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 13 rainy days and 67 mm in total. All in all, October is a so-so month for a holiday in Waterloo.
More details for October
- Daylight
- 10 h 49 min08:03 – 18:53
- UV index
- 2 · lowclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or moreAll months
- Wind
- 21 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 %68 %
- Sunshineweight 20 %10 %
- Few rainy daysweight 30 %39 %
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 Waterloo
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 Waterloo, 33 % of the day.
Sunshine hours: measured at the weather station 10 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 Waterloo
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 Waterloo: 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, Waterloo has about 13 rainy days with 67 mm of rain in total.
Wind and clouds in Waterloo
How breezy and how cloudy Waterloo 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 Waterloo typically peaks at 21 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 Waterloo: 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 Waterloo
How often the day gets hot in Waterloo (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, Waterloo 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 Waterloo
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 | 12 | 6° | 1° | 1.9 h | 13 | 71 |
| FebruaryFeb | 13 | 7° | 1° | 2.6 h | 12 | 65 |
| MarchMar | 28 | 10° | 3° | 4.1 h | 12 | 60 |
| AprilApr | 53 | 14° | 5° | 5.7 h | 11 | 49 |
| MayMay | 69 | 18° | 9° | 6.4 h | 13 | 68 |
| JuneJun | 76 | 21° | 12° | 6.6 h | 11 | 69 |
| JulyJul | 75 | 22° | 14° | 6.6 h | 12 | 71 |
| AugustAug | 73 | 22° | 14° | 6.2 h | 12 | 75 |
| SeptemberSep | 73 | 19° | 11° | 5.2 h | 11 | 56 |
| OctoberOct | 48 | 15° | 9° | 3.6 h | 13 | 67 |
| NovemberNov | 20 | 10° | 5° | 2.2 h | 13 | 68 |
| DecemberDec | 9 | 6° | 2° | 1.6 h | 14 | 75 |
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
50.71° N, 4.40° E · 119 m · Europe/Brussels
Best time to visit Waterloo
The best time to visit Waterloo is from May to September. For sightseeing, day trips and hiking, conditions are most comfortable in June and in September. Rain is most frequent in May and from July to August and from October to March; the wettest month is December with 75 mm.
Waterloo through the seasons
How the weather changes over the seasons, with averages for each.
Waterloo in spring
Mar – May
Fair
- 10–18 °C by day
- 5 h of sun a day
- 37 rainy days in all
Waterloo in summer
Jun – Aug
Good
- 21–22 °C by day
- 7 h of sun a day
- 36 rainy days in all
Waterloo in autumn
Sep – Nov
Fair
- 10–19 °C by day
- 4 h of sun a day
- 36 rainy days in all
Waterloo in winter
Dec – Feb
Poor
- 6–7 °C by day
- 2 h of sun a day
- 38 rainy days in all
Find your perfect month
Tell us what you like and we rate every month in Waterloo for you.
Your best months: June – August
Based on the climate averages; tap a month to see its details.
Compare two months in Waterloo
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 Waterloo: score 76 against 48. In June, days are 6 °C warmer than in October. June has 2 fewer rainy days. The sun shines 3 hours longer a day in June.
| Month | October | June |
|---|---|---|
| Weather score | 48 | 76better |
| Day high | 15° | 21° |
| Night low | 9° | 12° |
| Sunshine | 3.6 h | 6.6 hbetter |
| Rainy days | 13 | 11better |
| Rainfall | 67 mm | 69 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
15–28 °C and not too much rain
Rainy months
May, Jul – Aug, Oct – Mar
12 or more rainy days
Waterloo month by month
The typical weather for every month at a glance.
12January6° · 2 h
In January, Waterloo 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 13 rainy days and 71 mm in total. All in all, January is not an ideal month for a holiday in Waterloo.
Waterloo in January13February7° · 3 h
In February, Waterloo is cold: daytime highs average 7 °C, and nights cool down to about 1 °C. The sun is scarce, with only about 3 hours a day. Rain is frequent, with about 12 rainy days and 65 mm in total. All in all, February is not an ideal month for a holiday in Waterloo.
Waterloo in February28March10° · 4 h
In March, Waterloo is cool: daytime highs average 10 °C, and nights cool down to about 3 °C. Expect around 4 hours of sunshine a day. Rain is frequent, with about 12 rainy days and 60 mm in total. All in all, March is not an ideal month for a holiday in Waterloo.
Waterloo in March53April14° · 6 h
In April, Waterloo 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 49 mm in total. All in all, April is a so-so month for a holiday in Waterloo.
Waterloo in April69May18° · 6 h
In May, Waterloo 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 13 rainy days and 68 mm in total. All in all, May is a good month for a holiday in Waterloo.
Waterloo in May76June21° · 7 h
In June, Waterloo is mild: 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 69 mm in total. All in all, June is a good month for a holiday in Waterloo.
Waterloo in June75July22° · 7 h
In July, Waterloo is warm: daytime highs average 22 °C, and nights cool down to about 14 °C. The sun shines for around 7 hours a day. Rain is frequent, with about 12 rainy days and 71 mm in total. All in all, July is a good month for a holiday in Waterloo.
Waterloo in July73August22° · 6 h
In August, Waterloo is warm: daytime highs average 22 °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 75 mm in total. All in all, August is a good month for a holiday in Waterloo.
Waterloo in August73September19° · 5 h
In September, Waterloo is mild: daytime highs average 19 °C, and nights cool down to about 11 °C. Expect around 5 hours of sunshine a day. Rain is frequent, with about 11 rainy days and 56 mm in total. All in all, September is a good month for a holiday in Waterloo.
Waterloo in September48October15° · 4 h
In October, Waterloo 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 13 rainy days and 67 mm in total. All in all, October is a so-so month for a holiday in Waterloo.
Waterloo in October20November10° · 2 h
In November, Waterloo is cold: 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 13 rainy days and 68 mm in total. All in all, November is not an ideal month for a holiday in Waterloo.
Waterloo in November9December6° · 2 h
In December, Waterloo is cold: daytime highs average 6 °C, and nights cool down to about 2 °C. The sun is scarce, with only about 2 hours a day. Rain is frequent, with about 14 rainy days and 75 mm in total. All in all, December is not an ideal month for a holiday in Waterloo.
Waterloo in DecemberWaterloo compared
Put Waterloo side by side with another destination.
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Waterloo vs. Brussels
In October the holiday weather in Waterloo and Brussels is about equally good (score 48 vs. 52). During the day it is about as warm in Brussels as in Waterloo.
| in October | Waterloo | Brussels |
|---|---|---|
| Holiday score | 48 | 52 |
| Daytime high | 15° | 15° |
| Sunshine | 4 h | 4 h |
| Rainy days | 13 | 12 |
| Best time | May – Sep | May – Sep |
Through the year
Belgium in October: the best places
In October, Waterloo ranks 12 of 22 destinations in this country.
- Mechelen15°53
- 2Dinant15°53
- 3Ypres15°53
- 4Brussels15°52
- 5Ghent15°52
- 6Tournai15°52
- 7Leuven15°51
- 8Mons15°51
- 12WaterlooThis page15°48
Planning a trip to Waterloo
Weather for your travel dates
Pick your arrival and length of stay, and we sum up the weather to expect.
Waterloo 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.
Waterloo has its best school-holiday weather during the summer holidays (score 74) and its weakest during the Christmas holidays (score 11).
- 45
Easter holidays
Mar – Apr
Fair
- 13 °C by day
- 5.2 h of sun a day
- 12 rainy days a month
Keep in mind: Frequent rain
- 70
May half-term
May – Jun
Good
- 18 °C by day
- 6.4 h of sun a day
- 13 rainy days a month
Keep in mind: Frequent rain
- 74
Summer holidays
Jul – Aug
GoodBest holidays
- 22 °C by day
- 6.3 h of sun a day
- 12 rainy days a month
Keep in mind: Frequent rain
- 48
October half-term
Oct
Fair
- 15 °C by day
- 3.6 h of sun a day
- 13 rainy days a month
Keep in mind: Frequent rain
- 11
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
- 350 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 Waterloo
When is the best time to visit Waterloo?
The best time to visit Waterloo 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 Waterloo?
August is the warmest month, with average highs of 22 °C and nights around 14 °C. January is the coolest month at 6 °C.
When does it rain most in Waterloo?
Rain is most frequent in May and from July to August and from October to March; the wettest month is December with 75 mm. The driest month is April with 49 mm.
How many hours of sunshine does Waterloo get?
Waterloo 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 Waterloo in?
Waterloo uses the time zone Europe/Brussels: UTC+1 in January and UTC+2 in July.
Which school holidays are best for Waterloo?
Waterloo has its best school-holiday weather during the summer holidays (score 74) and its weakest during the Christmas holidays (score 11). Holiday ratings (0–100): Easter holidays 45, May half-term 70, Summer holidays 74, October half-term 48, Christmas holidays 11.
Near Waterloo
Other destinations close by.
Places with a climate like Waterloo
Destinations whose weather through the year is closest to Waterloo's – good alternatives.