Les Ulis Climate by Month
Les Ulis, Île-de-France, France
Warm summers and cool winters, with rain spread through the year.
Les Ulis has warm summers and cool winters, with rain spread through the year. August is the warmest month, with highs around 77°F (25°C); January is the coolest at 44°F (7°C), and nights dip to 35°F (2°C). It gets 25 in (636 mm) of rain a year, spread across the months.
- Warmest month
- 77°F(25°C)
- Average high, August
- Coldest nights
- 35°F(2°C)
- Average low, February
- Rain per year
- 25 in(636 mm)
- No clear rainy season
- Humidity
- 76%
- Sunniest: June
Best and worst months in Les Ulis
Best for weatherJune to August are the best time for weather in Les Ulis: highs near 75°F (24°C) and about 2.0 in (52 mm) of rain a month.
Least pleasantDecember and January are the least pleasant; December is the coldest, with highs of only 46°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 July.
Temperature and rain through the year
Highs and lows (°F)
Average highAverage low
Rain (in per month)
Les Ulis weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 44°F(7°C) | 35°F(2°C) | 2.0 in(51 mm) | 84% | 0.9 |
| FebFebruary | 46°F(8°C) | 35°F(2°C) | 1.7 in(44 mm) | 82% | 1.6 |
| MarMarch | 54°F(12°C) | 39°F(4°C) | 1.8 in(45 mm) | 74% | 3.0 |
| AprApril | 60°F(16°C) | 43°F(6°C) | 1.8 in(46 mm) | 69% | 4.5 |
| MayMay | 67°F(19°C) | 49°F(9°C) | 2.3 in(59 mm) | 74% | 5.3 |
| JunJuneBest | 72°F(22°C) | 54°F(12°C) | 1.9 in(48 mm) | 71% | 5.8 |
| JulJulyBest | 77°F(25°C) | 58°F(14°C) | 2.3 in(58 mm) | 66% | 5.6 |
| AugAugustBest | 77°F(25°C) | 58°F(14°C) | 2.0 in(50 mm) | 65% | 4.9 |
| SepSeptember | 70°F(21°C) | 52°F(11°C) | 1.9 in(47 mm) | 71% | 3.6 |
| OctOctober | 61°F(16°C) | 47°F(9°C) | 2.5 in(64 mm) | 84% | 2.1 |
| NovNovember | 51°F(11°C) | 41°F(5°C) | 2.3 in(58 mm) | 86% | 1.0 |
| DecDecember | 46°F(8°C) | 37°F(3°C) | 2.6 in(66 mm) | 91% | 0.8 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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