Dunkirk Climate by Month
Dunkirk, Hauts-de-France, France
Mild summers and cool winters, with rain spread through the year.
Mild summers and cool winters, with rain spread through the year: that's Dunkirk's climate in short. Expect highs of 72°F (22°C) in August and 45°F (7°C) in January, with the coldest nights (January) near 37°F (3°C). It gets 28 in (702 mm) of rain a year, spread across the months. The air is humid, averaging 80% relative humidity.
- Warmest month
- 72°F(22°C)
- Average high, August
- Coldest nights
- 37°F(3°C)
- Average low, January
- Rain per year
- 28 in(702 mm)
- No clear rainy season
- Humidity
- 80%
- Sunniest: June
Best and worst months in Dunkirk
Best for weatherJuly and August are the best time for weather in Dunkirk: highs near 72°F (22°C) and about 2.4 in (61 mm) of rain a month.
Least pleasantDecember and January are the least pleasant; January is the coldest, with highs of only 45°F (7°C).
Comfort combines how close the afternoon high is to 75°F (24°C) with how much rain falls and how humid it is. See where the weather is best in August.
Temperature and rain through the year
Highs and lows (°F)
Average highAverage low
Rain (in per month)
Dunkirk weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 45°F(7°C) | 37°F(3°C) | 2.2 in(56 mm) | 91% | 0.8 |
| FebFebruary | 46°F(8°C) | 37°F(3°C) | 1.9 in(49 mm) | 77% | 1.4 |
| MarMarch | 51°F(11°C) | 40°F(5°C) | 1.8 in(45 mm) | 76% | 2.6 |
| AprApril | 57°F(14°C) | 44°F(7°C) | 1.5 in(39 mm) | 72% | 4.3 |
| MayMay | 62°F(17°C) | 49°F(10°C) | 1.8 in(45 mm) | 80% | 4.9 |
| JunJune | 67°F(19°C) | 55°F(13°C) | 2.1 in(53 mm) | 77% | 5.3 |
| JulJulyBest | 71°F(22°C) | 58°F(15°C) | 2.2 in(57 mm) | 76% | 5.2 |
| AugAugustBest | 72°F(22°C) | 59°F(15°C) | 2.6 in(65 mm) | 75% | 4.4 |
| SepSeptember | 67°F(19°C) | 55°F(13°C) | 2.6 in(65 mm) | 77% | 3.1 |
| OctOctober | 60°F(16°C) | 49°F(10°C) | 3.0 in(77 mm) | 82% | 1.8 |
| NovNovember | 52°F(11°C) | 44°F(6°C) | 3.0 in(76 mm) | 88% | 0.9 |
| DecDecember | 47°F(8°C) | 39°F(4°C) | 3.0 in(75 mm) | 86% | 0.6 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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