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

Bad Honnef in August

The short of it: Bad Honnef in August averages a high of 24 °C (75 °F) and a low of 13 °C (56 °F), with 72 mm (2.8 in) of rain and about 14 h 31 min of daylight. Rated 3 of 5 for a visit; the best months are June and May. Source: TerraClimate climate normals, 1991–2020.

Average high 24° · low 13° · rain 72 mm · daylight 14 h 31 min

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

August in Bad Honnef brings afternoons near 24° and nights around 13°, with about 72 mm of rain over the month. Much like July: highs about 24°, nights near 13°. Easy travelling weather. Wet spells are common — about 72 mm, the 2nd 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 May.

Against its neighbours, Bad Honnef runs cooler than most and drier than most in August. Königswinter, 5 km to the NNW, sees much the same highs.

August in Bad Honnef, by the numbers

Warmth rank
2nd warmest of 12
Rain rank
2nd wettest of 12
Versus July
1° colder, 12 mm less rain
Versus September
4° warmer
Day–night spread
11°
Snow season
Dec–Feb
Daylight, mid-month
14 h 31 min
Average wind
9 km/h

Neighbouring Towns

August averages · distance by the crow’s flight
TownDistanceHighLowRain
KönigswinterNorth Rhine-Westphalia5 km NNW24°13°74 mm
BonnNorth Rhine-Westphalia14 km NW25°14°74 mm
Sankt AugustinNorth Rhine-Westphalia15 km N25°13°77 mm
Hennef (Sieg)North Rhine-Westphalia15 km NNE24°13°80 mm
SiegburgNorth Rhine-Westphalia17 km N25°13°78 mm
TroisdorfNorth Rhine-Westphalia19 km NNW25°13°77 mm
BornheimNorth Rhine-Westphalia21 km NW25°14°77 mm
NeuwiedRheinland-Pfalz29 km SE25°14°68 mm

The Almanac · Bad Honnef Month by Month

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

Much like July: highs about 24°, nights near 13°. Easy travelling weather. Wet spells are common — about 72 mm, the 2nd wettest month.

Climate of Bad Honnef by month
MonthHighLowRainWindDaylightVisit
January6°0°62 mm12 km/h8 h 26 min✦✦
February7°0°53 mm12 km/h9 h 57 min✦✦
March11°3°56 mm12 km/h11 h 43 min✦✦✦
April16°5°43 mm10 km/h13 h 44 min✦✦✦✦
May20°9°61 mm10 km/h15 h 28 min✦✦✦✦
June23°12°68 mm10 km/h16 h 27 min✦✦✦✦
July25°14°84 mm9 km/h16 h 3 min✦✦✦
August24°13°72 mm9 km/h14 h 31 min✦✦✦
September20°10°60 mm9 km/h12 h 32 min✦✦✦✦
October15°7°65 mm10 km/h10 h 36 min✦✦✦
November10°4°63 mm11 km/h8 h 52 min✦✦
December6°1°72 mm12 km/h8 h 0 min✦

Questions Readers Ask about Bad Honnef in August

Answered from the wire & the Almanac

What is the weather like in Bad Honnef in August?

Days average 24 °C (75 °F) and nights 13 °C (56 °F), with about 72 mm (2.8 in) of rain over the month. Much like July: highs about 24°, nights near 13°. Easy travelling weather. Wet spells are common — about 72 mm, the 2nd wettest month.

Is August a good time to visit Bad Honnef?

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

How long are the days in Bad Honnef in August?

In mid-August the sun is up for about 14 h 31 min. The days are shortening — from 8 h 0 min in December to 16 h 27 min in June.

Does it snow in Bad Honnef in August?

Hardly — August nights average 13 °C (56 °F), above freezing.

What should I pack for Bad Honnef 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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