Poissy Climate by Month
Poissy, Île-de-France, France
Warm summers and cool winters, with rain spread through the year.
Warm summers and cool winters, with rain spread through the year: that's Poissy's climate in short. August is the warmest month, with highs around 77°F (25°C); January is the coolest at 45°F (7°C), and nights dip to 36°F (2°C). It gets 24 in (612 mm) of rain a year, spread across the months.
- Warmest month
- 77°F(25°C)
- Average high, August
- Coldest nights
- 36°F(2°C)
- Average low, January
- Rain per year
- 24 in(612 mm)
- No clear rainy season
- Humidity
- 74%
- Sunniest: June
Best and worst months in Poissy
Best for weatherJune to August are the best time for weather in Poissy: highs near 76°F (24°C) and about 2.0 in (51 mm) of rain a month.
Least pleasantDecember and January are the least pleasant; December is the coldest, with highs of only 47°F (8°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 June.
Temperature and rain through the year
Highs and lows (°F)
Average highAverage low
Rain (in per month)
Poissy weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 45°F(7°C) | 36°F(2°C) | 1.9 in(49 mm) | 81% | 0.9 |
| FebFebruary | 48°F(9°C) | 36°F(2°C) | 1.7 in(42 mm) | 78% | 1.6 |
| MarMarch | 55°F(13°C) | 40°F(4°C) | 1.7 in(43 mm) | 71% | 2.9 |
| AprApril | 62°F(16°C) | 43°F(6°C) | 1.8 in(45 mm) | 67% | 4.4 |
| MayMay | 67°F(20°C) | 49°F(10°C) | 2.2 in(56 mm) | 72% | 5.2 |
| JunJuneBest | 73°F(23°C) | 55°F(13°C) | 1.9 in(49 mm) | 69% | 5.7 |
| JulJulyBest | 77°F(25°C) | 58°F(15°C) | 2.1 in(53 mm) | 65% | 5.6 |
| AugAugustBest | 77°F(25°C) | 58°F(15°C) | 2.0 in(50 mm) | 65% | 4.8 |
| SepSeptember | 70°F(21°C) | 53°F(12°C) | 1.7 in(42 mm) | 70% | 3.6 |
| OctOctober | 62°F(16°C) | 48°F(9°C) | 2.5 in(63 mm) | 82% | 2.0 |
| NovNovember | 52°F(11°C) | 42°F(5°C) | 2.1 in(54 mm) | 83% | 1.0 |
| DecDecember | 47°F(8°C) | 37°F(3°C) | 2.6 in(66 mm) | 88% | 0.7 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
Places with a similar climate outside France
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- 🇩🇪EmmendingenBaden-Wurttemberg, Germany · Pop. 27k97%matchWetter summersColder wintersPoissy vs Emmendingen →
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