Climate guideThirty-year normals for Trappes
Trappes climate by month
Oceanic · CfbBest Jul–Sep
Annual mean11°day and night
Seasonal swing15°warmest vs coolest
Precipitation726 mm134 wet days a year
48.77° N, 2.02° EElevation 173 mUTC+1 · Central European Standard Time
When to goTrappes · weather score
Best timeJul–Sep
October: high / low16° / 8°
iSummary
What the weather is like
Trappes has an oceanic climate (Köppen Cfb): rain spread through the year and no real dry season.
The warmest month is July, when afternoons average 25° and nights 14°. January is the coolest month, with highs of 7° and lows of 2°. The difference between the warmest and the coolest month is about 15°.
About 726 mm of precipitation falls in an average year. January is the wettest month (60 mm, 13 wet days) and September the driest (51 mm, 9 wet days). Cloud cover ranges from 34% in August to 57% in December.
Compared with Paris, the capital, Trappes is 0.8° cooler on a July afternoon and receives more precipitation over the year.
Year in figures
- Hottest afternoons
- 25° · July
- Coldest nights
- 2° · February
- Wettest month
- January
- Driest month
- September
- Clearest skies
- August · 34% cloud
- Longest day
- 16 h 08 min
- Shortest day
- 8 h 18 min
iiCharts
Twelve months at a glance
Temperature and precipitation
Daily high/low range bars, monthly precipitation columnsTemperature curve
Average high, lowDaylight
Hours between sunrise and sunset on the 15th of each monthiiiData table
Climate normals month by month
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average high | 7° | 8° | 12° | 16° | 19° | 23° | 25° | 25° | 21° | 16° | 10° | 7° |
| Average low | 2° | 2° | 4° | 5° | 9° | 12° | 14° | 14° | 11° | 8° | 5° | 2° |
| Precipitation | 60 mm | 51 mm | 56 mm | 54 mm | 70 mm | 58 mm | 65 mm | 57 mm | 51 mm | 76 mm | 59 mm | 69 mm |
| Wet days (≥1 mm) | 12.7 | 10.8 | 11.6 | 9.6 | 11.8 | 11.1 | 10.6 | 10.7 | 8.8 | 12.1 | 12 | 12.7 |
| Cloud cover | 55% | 50% | 46% | 43% | 42% | 38% | 35% | 34% | 38% | 46% | 51% | 57% |
| Daylight | 8h 42 | 10h 11 | 11h 50 | 13h 41 | 15h 15 | 16h 08 | 15h 47 | 14h 24 | 12h 38 | 10h 52 | 9h 13 | 8h 18 |
| Month score | 18 | 24 | 35 | 59 | 67 | 71 | 73 | 73 | 76 | 54 | 23 | 17 |
ivMonth by month
Trappes in every month
January18
7° / 2°
60 mm · 12.7 wet days
February24
8° / 2°
51 mm · 10.8 wet days
March35
12° / 4°
56 mm · 11.6 wet days
April59
16° / 5°
54 mm · 9.6 wet days
May67
19° / 9°
70 mm · 11.8 wet days
June71
23° / 12°
58 mm · 11.1 wet days
July73
25° / 14°
65 mm · 10.6 wet days
August73
25° / 14°
57 mm · 10.7 wet days
September76
21° / 11°
51 mm · 8.8 wet days
October54
16° / 8°
76 mm · 12.1 wet days
November23
10° / 5°
59 mm · 12 wet days
December17
7° / 2°
69 mm · 12.7 wet days