The Frontier Gazette & Almanack
“Fair Warning for Every Town Under the Sky” · Est. 1881
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Waterloo Weather in August

Waterloo in August

The short of it: Waterloo in August averages a high of 23 °C (73 °F) and a low of 14 °C (56 °F), with 79 mm (3.1 in) of rain and about 14 h 31 min of daylight. Rated 3 of 5 for a visit; the best months are June and September. Source: TerraClimate climate normals, 1991–2020.

Average high 23° · low 14° · rain 79 mm · daylight 14 h 31 min

✦✦✦ Fair for a visit · best months: June & September

Thirty years of records give Waterloo an average August high of 23°, a low of 14° and some 79 mm of rain. Much like July: highs about 23°, nights near 14°. Easy travelling weather. Wet spells are common — about 79 mm, the 3rd wettest month.

The sun is up for about 14 h 31 min in mid-August, 92 minutes less than a month before.

For the traveller: pack light clothes and a jacket for the evening, and an oilskin besides. The Almanac rates August 3 of 5 for a visit; the finest months here are June and September.

Against its neighbours, Waterloo runs cooler than most and wetter than most in August. Braine-l'Alleud, 4 km to the SSW, is 1° warmer by day.

August in Waterloo, by the numbers

Warmth rank
2nd warmest of 12
Rain rank
3rd wettest of 12
Versus July
about the same, 6.0 mm more rain
Versus September
4° warmer
Day–night spread
10°
Snow season
seldom any
Daylight, mid-month
14 h 31 min
Average wind
10 km/h

Neighbouring Towns

August averages · distance by the crow’s flight
TownDistanceHighLowRain
Braine-l'AlleudWallonia4 km SSW24°14°78 mm
UccleBrussels Capital11 km NNW24°14°79 mm
AuderghemBrussels Capital12 km NNE23°14°78 mm
HalleFlanders12 km W24°14°76 mm
ForestBrussels Capital12 km NNW24°14°77 mm
Saint-GillesBrussels Capital13 km NNW24°14°79 mm
EtterbeekBrussels Capital13 km N23°14°79 mm
IxellesBrussels Capital13 km N24°14°79 mm

The Almanac · Waterloo Month by Month

Climate normals 1991–2020 · pick a month
PrecipitationAverage highAverage low
Fair
The Almanac Speaks
August
✦✦✦✦✦

Much like July: highs about 23°, nights near 14°. Easy travelling weather. Wet spells are common — about 79 mm, the 3rd wettest month.

Climate of Waterloo by month
MonthHighLowRainWindDaylightVisit
January6°1°70 mm16 km/h8 h 26 min✦✦
February7°1°64 mm15 km/h9 h 57 min✦✦
March11°3°59 mm15 km/h11 h 43 min✦✦✦
April15°6°46 mm13 km/h13 h 44 min✦✦✦
May18°9°62 mm12 km/h15 h 29 min✦✦✦✦
June21°12°69 mm12 km/h16 h 28 min✦✦✦✦
July23°14°73 mm11 km/h16 h 3 min✦✦✦
August23°14°79 mm10 km/h14 h 31 min✦✦✦
September20°11°61 mm11 km/h12 h 32 min✦✦✦✦
October15°8°70 mm13 km/h10 h 35 min✦✦✦
November10°4°80 mm14 km/h8 h 51 min✦✦
December7°2°87 mm15 km/h7 h 59 min✦

Questions Readers Ask about Waterloo in August

Answered from the wire & the Almanac

What is the weather like in Waterloo in August?

Days average 23 °C (73 °F) and nights 14 °C (56 °F), with about 79 mm (3.1 in) of rain over the month. Much like July: highs about 23°, nights near 14°. Easy travelling weather. Wet spells are common — about 79 mm, the 3rd wettest month.

Is August a good time to visit Waterloo?

The Almanac gives August 3 of 5 (fair). The best months are June and September.

How long are the days in Waterloo in August?

In mid-August the sun is up for about 14 h 31 min. The days are shortening — from 7 h 59 min in December to 16 h 28 min in June.

Does it snow in Waterloo in August?

Hardly — August nights average 14 °C (56 °F), above freezing.

What should I pack for Waterloo in August?

Light clothes and a jacket for the evening, plus a good raincoat — it is a wet month.

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The Editor’s Remark

“Weather is the only news that never grows stale. Each morning the sky writes its own front page, and we at Wanted Weather are but its telegraph operators.”— J. Whitmore, Editor
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