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

Dunkirk in August

The short of it: Dunkirk in August averages a high of 22 °C (72 °F) and a low of 15 °C (59 °F), with 65 mm (2.6 in) of rain and about 14 h 33 min of daylight. Rated 4 of 5 for a visit; the best months are May and August. Source: TerraClimate climate normals, 1991–2020.

Average high 22° · low 15° · rain 65 mm · daylight 14 h 33 min

✦✦✦✦ Recommended for a visit · best months: May & August

August in Dunkirk brings afternoons near 22° and nights around 15°, with about 65 mm of rain over the month. The height of summer in Dunkirk, with afternoons near 22°. Wet spells are common — about 65 mm, the 4th wettest month.

The sun is up for about 14 h 33 min in mid-August, 94 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 4 of 5 for a visit; the finest months here are May and August.

Against its neighbours, Dunkirk runs about middling and about as wet in August. Coudekerque-Branche, 2 km to the SE, sees much the same highs.

August in Dunkirk, by the numbers

Warmth rank
1st warmest of 12
Rain rank
4th wettest of 12
Versus July
about the same, 8.0 mm more rain
Versus September
3° warmer
Day–night spread
7°
Snow season
seldom any
Daylight, mid-month
14 h 33 min
Average wind
18 km/h

Neighbouring Towns

August averages · distance by the crow’s flight
TownDistanceHighLowRain
Coudekerque-BrancheHauts-de-France2 km SE22°15°65 mm
Saint-Pol-sur-MerHauts-de-France3 km W22°15°65 mm
Grande-SyntheHauts-de-France6 km WSW22°16°65 mm
KoksijdeFlanders20 km ENE22°13°69 mm
PoperingeFlanders32 km SE23°13°71 mm
HazebrouckHauts-de-France36 km SSE23°14°73 mm
CalaisHauts-de-France38 km WSW22°15°57 mm
IeperFlanders41 km ESE23°13°71 mm

The Almanac · Dunkirk Month by Month

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

The height of summer in Dunkirk, with afternoons near 22°. Wet spells are common — about 65 mm, the 4th wettest month.

Climate of Dunkirk by month
MonthHighLowRainWindDaylightVisit
January7°3°56 mm25 km/h8 h 23 min✦✦
February8°3°49 mm23 km/h9 h 56 min✦✦
March11°5°45 mm22 km/h11 h 43 min✦✦✦✦
April14°7°39 mm20 km/h13 h 46 min✦✦✦✦
May17°10°45 mm20 km/h15 h 31 min✦✦✦✦✦
June19°13°53 mm18 km/h16 h 31 min✦✦✦✦
July22°15°57 mm18 km/h16 h 6 min✦✦✦✦
August22°15°65 mm18 km/h14 h 33 min✦✦✦✦
September19°13°65 mm20 km/h12 h 33 min✦✦✦✦
October16°10°77 mm21 km/h10 h 34 min✦✦
November11°6°76 mm23 km/h8 h 49 min✦✦
December8°4°75 mm24 km/h7 h 56 min✦

Questions Readers Ask about Dunkirk in August

Answered from the wire & the Almanac

What is the weather like in Dunkirk in August?

Days average 22 °C (72 °F) and nights 15 °C (59 °F), with about 65 mm (2.6 in) of rain over the month. The height of summer in Dunkirk, with afternoons near 22°. Wet spells are common — about 65 mm, the 4th wettest month.

Is August a good time to visit Dunkirk?

The Almanac gives August 4 of 5 (recommended). The best months are May and August.

How long are the days in Dunkirk in August?

In mid-August the sun is up for about 14 h 33 min. The days are shortening — from 7 h 56 min in December to 16 h 31 min in June.

Does it snow in Dunkirk in August?

Hardly — August nights average 15 °C (59 °F), above freezing.

What should I pack for Dunkirk 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