Roissy-en-Brie weather in May
In May, Roissy-en-Brie sees average daytime highs of 19°C and overnight lows near 10°C, with 65 mm of rain across 11.2 wet days and about 15 hours of daylight. It is the 5th-warmest and 3rd-wettest month of the year here.
Highs climb over the month, from about 17°C in the first days to 20°C by the end. The sky is clear or mostly clear about 18% of the time in May, and the air most often feels dry.
Daylight stretches from about 14 h 18 min at the start of May to 15 h 36 min by month's end. Set against the rest of the year, May is Roissy-en-Brie's 6th-clearest and 8th-windiest month. For the whole year in context, see Roissy-en-Brie's year-round climate.
- Daytime high
- 19°
- 5th warmest
- Overnight low
- 10°
- 8th coldest
- Rainfall
- 65 mm
- 11.2 wet days
- Daylight
- 15 hours
- 5:15 AM – 8:17 PM
- Cloud cover
- 68%
- 6th clearest
- Wind
- 12 km/h
- 8th windiest
- Solar energy
- 5.28 kWh/m²
- Travel score
- 5.7
- out of 10
Temperature in May
Highs climb over the month, from about 17°C in the first days to 20°C by the end.
A typical May day in Roissy-en-Brie reaches about 19°C in the afternoon and slips back to 10°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 14°C and 25°C. Set against its neighbours, May runs about 4°C warmer than April and about 3°C cooler than June.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 17 | 17 | 17 | 17 | 17 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 21 | 21 |
| Avg low (°C) | 8 | 8 | 8 | 8 | 8 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 11 | 11 | 11 | 11 | 11 | 11 | 11 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 17 | 8 |
| 2 | 17 | 8 |
| 3 | 17 | 8 |
| 4 | 17 | 8 |
| 5 | 17 | 8 |
| 6 | 18 | 9 |
| 7 | 18 | 9 |
| 8 | 18 | 9 |
| 9 | 18 | 9 |
| 10 | 18 | 9 |
| 11 | 18 | 9 |
| 12 | 18 | 9 |
| 13 | 18 | 9 |
| 14 | 18 | 9 |
| 15 | 19 | 9 |
| 16 | 19 | 9 |
| 17 | 19 | 10 |
| 18 | 19 | 10 |
| 19 | 19 | 10 |
| 20 | 19 | 10 |
| 21 | 19 | 10 |
| 22 | 20 | 10 |
| 23 | 20 | 10 |
| 24 | 20 | 10 |
| 25 | 20 | 11 |
| 26 | 20 | 11 |
| 27 | 20 | 11 |
| 28 | 20 | 11 |
| 29 | 20 | 11 |
| 30 | 21 | 11 |
| 31 | 21 | 11 |
How May really feels in Roissy-en-Brie
Once humidity and wind are folded in, May averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.
May sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
Roissy-en-Brie weather by month
How May compares with the rest of the year at a glance. May is the 5th-warmest and 3rd-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | 7° / 2° | 58 | 11.9 | 0.9 | 8.5 | 0.7 |
| Feb | 8° / 2° | 53 | 10 | 1.2 | 9.8 | 1.2 |
| Mar | 12° / 4° | 55 | 11.1 | 0.6 | 11.6 | 3.0 |
| Apr | 15° / 6° | 53 | 10.6 | 0.1 | 13.4 | 4.5 |
| May | 19° / 10° | 65 | 11.2 | 0 | 15 | 5.7 |
| Jun | 22° / 13° | 56 | 10.5 | 0 | 15.9 | 6.4 |
| Jul | 25° / 15° | 55 | 9.4 | 0 | 15.5 | 6.9 |
| Aug | 25° / 14° | 59 | 9.3 | 0 | 14.2 | 7.0 |
| Sep | 21° / 11° | 51 | 8.5 | 0 | 12.4 | 6.5 |
| Oct | 16° / 8° | 66 | 11.5 | 0 | 10.5 | 4.6 |
| Nov | 10° / 5° | 62 | 12 | 0.3 | 8.9 | 2.2 |
| Dec | 7° / 3° | 77 | 13.1 | 0.9 | 8.1 | 0.9 |
Cloud cover in May
The sky is clear or mostly clear about 18% of the time in May.
Beyond those clear spells, partly cloudy skies cover about 13% of May, with mostly cloudy or overcast conditions the remaining 68%.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 27 | 28 | 28 | 28 | 28 | 28 | 29 | 30 | 30 | 30 | 32 | 32 | 32 | 32 | 32 | 32 | 33 | 33 | 33 | 34 | 34 | 34 | 33 | 33 | 33 | 33 | 34 | 34 | 34 | 34 | 34 |
| Cloudier (%) | 73 | 72 | 72 | 72 | 72 | 72 | 71 | 70 | 70 | 70 | 68 | 68 | 68 | 68 | 68 | 68 | 67 | 67 | 67 | 66 | 66 | 66 | 67 | 67 | 67 | 67 | 66 | 66 | 66 | 66 | 66 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 27 | 73 |
| 2 | 28 | 72 |
| 3 | 28 | 72 |
| 4 | 28 | 72 |
| 5 | 28 | 72 |
| 6 | 28 | 72 |
| 7 | 29 | 71 |
| 8 | 30 | 70 |
| 9 | 30 | 70 |
| 10 | 30 | 70 |
| 11 | 32 | 68 |
| 12 | 32 | 68 |
| 13 | 32 | 68 |
| 14 | 32 | 68 |
| 15 | 32 | 68 |
| 16 | 32 | 68 |
| 17 | 33 | 67 |
| 18 | 33 | 67 |
| 19 | 33 | 67 |
| 20 | 34 | 66 |
| 21 | 34 | 66 |
| 22 | 34 | 66 |
| 23 | 33 | 67 |
| 24 | 33 | 67 |
| 25 | 33 | 67 |
| 26 | 33 | 67 |
| 27 | 34 | 66 |
| 28 | 34 | 66 |
| 29 | 34 | 66 |
| 30 | 34 | 66 |
| 31 | 34 | 66 |
Chance of precipitation in May
Roissy-en-Brie gets around 65 mm of rain over 11.2 wet days in May. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 37% and peaks near 42% on the wettest days. The odds ease toward the end of the month.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 42 | 42 | 42 | 42 | 42 | 41 | 41 | 40 | 40 | 39 | 39 | 39 | 38 | 38 | 37 | 36 | 36 | 35 | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 35 | 35 | 36 | 37 | 37 |
| Rain chance (%) | |
|---|---|
| 1 | 42 |
| 2 | 42 |
| 3 | 42 |
| 4 | 42 |
| 5 | 42 |
| 6 | 41 |
| 7 | 41 |
| 8 | 40 |
| 9 | 40 |
| 10 | 39 |
| 11 | 39 |
| 12 | 39 |
| 13 | 38 |
| 14 | 38 |
| 15 | 37 |
| 16 | 36 |
| 17 | 36 |
| 18 | 35 |
| 19 | 34 |
| 20 | 34 |
| 21 | 34 |
| 22 | 34 |
| 23 | 34 |
| 24 | 34 |
| 25 | 34 |
| 26 | 34 |
| 27 | 35 |
| 28 | 35 |
| 29 | 36 |
| 30 | 37 |
| 31 | 37 |
Humidity in May
Most of May feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, May lands in the dry band about 86% of days. It rarely turns muggy — the humid and sticky bands barely register.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dry (%) | 96 | 96 | 95 | 94 | 94 | 93 | 92 | 92 | 91 | 91 | 90 | 90 | 89 | 88 | 88 | 87 | 87 | 87 | 86 | 84 | 84 | 83 | 81 | 81 | 79 | 78 | 76 | 75 | 73 | 71 | 70 |
| Comfortable (%) | 4 | 4 | 5 | 6 | 6 | 7 | 8 | 8 | 9 | 9 | 10 | 10 | 10 | 11 | 11 | 12 | 12 | 12 | 13 | 14 | 14 | 15 | 16 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 |
| Humid (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 3 | 3 | 4 | 4 | 5 | 5 | 6 | 7 | 7 |
| Dry (%) | Comfortable (%) | Humid (%) | |
|---|---|---|---|
| 1 | 96 | 4 | 0 |
| 2 | 96 | 4 | 0 |
| 3 | 95 | 5 | 0 |
| 4 | 94 | 6 | 0 |
| 5 | 94 | 6 | 0 |
| 6 | 93 | 7 | 0 |
| 7 | 92 | 8 | 0 |
| 8 | 92 | 8 | 0 |
| 9 | 91 | 9 | 0 |
| 10 | 91 | 9 | 0 |
| 11 | 90 | 10 | 0 |
| 12 | 90 | 10 | 0 |
| 13 | 89 | 10 | 1 |
| 14 | 88 | 11 | 1 |
| 15 | 88 | 11 | 1 |
| 16 | 87 | 12 | 1 |
| 17 | 87 | 12 | 1 |
| 18 | 87 | 12 | 1 |
| 19 | 86 | 13 | 1 |
| 20 | 84 | 14 | 2 |
| 21 | 84 | 14 | 2 |
| 22 | 83 | 15 | 2 |
| 23 | 81 | 16 | 3 |
| 24 | 81 | 16 | 3 |
| 25 | 79 | 17 | 4 |
| 26 | 78 | 18 | 4 |
| 27 | 76 | 19 | 5 |
| 28 | 75 | 20 | 5 |
| 29 | 73 | 21 | 6 |
| 30 | 71 | 22 | 7 |
| 31 | 70 | 23 | 7 |
Wind in May
Winds average 12 km/h in May.
Across May, daily wind ranges from about 12 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (km/h) | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 |
| Feels | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | calm | calm | calm | calm |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 13 | light breeze |
| 2 | 13 | light breeze |
| 3 | 13 | light breeze |
| 4 | 13 | light breeze |
| 5 | 13 | light breeze |
| 6 | 13 | light breeze |
| 7 | 13 | light breeze |
| 8 | 13 | light breeze |
| 9 | 13 | light breeze |
| 10 | 13 | light breeze |
| 11 | 13 | light breeze |
| 12 | 13 | light breeze |
| 13 | 13 | light breeze |
| 14 | 13 | light breeze |
| 15 | 12 | light breeze |
| 16 | 12 | light breeze |
| 17 | 12 | light breeze |
| 18 | 12 | light breeze |
| 19 | 12 | light breeze |
| 20 | 12 | light breeze |
| 21 | 12 | light breeze |
| 22 | 12 | light breeze |
| 23 | 12 | light breeze |
| 24 | 12 | light breeze |
| 25 | 12 | light breeze |
| 26 | 12 | light breeze |
| 27 | 12 | light breeze |
| 28 | 12 | calm |
| 29 | 12 | calm |
| 30 | 12 | calm |
| 31 | 12 | calm |
Sunrise & sunset in May
Daylight runs from about 14 h 18 min at the start of May to 15 h 36 min by month's end. The lit band spans sunrise to sunset each day.
Days grow by about 78 minutes over May. Sunrise moves from 5:38 AM to 4:59 AM, and sunset from 7:55 PM to 8:35 PM.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 14.3 | 14.3 | 14.4 | 14.5 | 14.5 | 14.6 | 14.6 | 14.7 | 14.7 | 14.8 | 14.8 | 14.9 | 14.9 | 14.9 | 15.0 | 15.0 | 15.1 | 15.1 | 15.2 | 15.2 | 15.2 | 15.3 | 15.3 | 15.4 | 15.4 | 15.4 | 15.5 | 15.5 | 15.5 | 15.6 | 15.6 |
| Sunrise (AM) | 5:38 | 5:36 | 5:34 | 5:33 | 5:31 | 5:29 | 5:28 | 5:26 | 5:25 | 5:23 | 5:22 | 5:20 | 5:19 | 5:17 | 5:16 | 5:15 | 5:13 | 5:12 | 5:11 | 5:10 | 5:08 | 5:07 | 5:06 | 5:05 | 5:04 | 5:03 | 5:02 | 5:01 | 5:00 | 4:59 | 4:59 |
| Sunset (PM) | 7:55 | 7:57 | 7:58 | 8:00 | 8:01 | 8:03 | 8:04 | 8:06 | 8:07 | 8:08 | 8:10 | 8:11 | 8:13 | 8:14 | 8:15 | 8:17 | 8:18 | 8:19 | 8:21 | 8:22 | 8:23 | 8:25 | 8:26 | 8:27 | 8:28 | 8:29 | 8:31 | 8:32 | 8:33 | 8:34 | 8:35 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 14.3 | 5:38 | 7:55 |
| 2 | 14.3 | 5:36 | 7:57 |
| 3 | 14.4 | 5:34 | 7:58 |
| 4 | 14.5 | 5:33 | 8:00 |
| 5 | 14.5 | 5:31 | 8:01 |
| 6 | 14.6 | 5:29 | 8:03 |
| 7 | 14.6 | 5:28 | 8:04 |
| 8 | 14.7 | 5:26 | 8:06 |
| 9 | 14.7 | 5:25 | 8:07 |
| 10 | 14.8 | 5:23 | 8:08 |
| 11 | 14.8 | 5:22 | 8:10 |
| 12 | 14.9 | 5:20 | 8:11 |
| 13 | 14.9 | 5:19 | 8:13 |
| 14 | 14.9 | 5:17 | 8:14 |
| 15 | 15.0 | 5:16 | 8:15 |
| 16 | 15.0 | 5:15 | 8:17 |
| 17 | 15.1 | 5:13 | 8:18 |
| 18 | 15.1 | 5:12 | 8:19 |
| 19 | 15.2 | 5:11 | 8:21 |
| 20 | 15.2 | 5:10 | 8:22 |
| 21 | 15.2 | 5:08 | 8:23 |
| 22 | 15.3 | 5:07 | 8:25 |
| 23 | 15.3 | 5:06 | 8:26 |
| 24 | 15.4 | 5:05 | 8:27 |
| 25 | 15.4 | 5:04 | 8:28 |
| 26 | 15.4 | 5:03 | 8:29 |
| 27 | 15.5 | 5:02 | 8:31 |
| 28 | 15.5 | 5:01 | 8:32 |
| 29 | 15.5 | 5:00 | 8:33 |
| 30 | 15.6 | 4:59 | 8:34 |
| 31 | 15.6 | 4:59 | 8:35 |
Solar energy in May
Average shortwave solar energy reaching the ground each day in May, about 5.28 kWh/m².
For context, solar energy here swings from a low near 0.77 kWh/m² to a high of 5.6 kWh/m² in June across the year — May's 5.28 kWh/m² sits near the top of that range.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 4.8 | 4.8 | 4.8 | 4.9 | 4.9 | 4.9 | 5.0 | 5.0 | 5.0 | 5.1 | 5.1 | 5.2 | 5.2 | 5.2 | 5.3 | 5.3 | 5.3 | 5.4 | 5.4 | 5.4 | 5.4 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 |
| Level | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 4.8 | Bright |
| 2 | 4.8 | Bright |
| 3 | 4.8 | Bright |
| 4 | 4.9 | Bright |
| 5 | 4.9 | Bright |
| 6 | 4.9 | Bright |
| 7 | 5.0 | Bright |
| 8 | 5.0 | Bright |
| 9 | 5.0 | Bright |
| 10 | 5.1 | Bright |
| 11 | 5.1 | Bright |
| 12 | 5.2 | Bright |
| 13 | 5.2 | Bright |
| 14 | 5.2 | Bright |
| 15 | 5.3 | Bright |
| 16 | 5.3 | Bright |
| 17 | 5.3 | Bright |
| 18 | 5.4 | Bright |
| 19 | 5.4 | Bright |
| 20 | 5.4 | Bright |
| 21 | 5.4 | Bright |
| 22 | 5.5 | Bright |
| 23 | 5.5 | Bright |
| 24 | 5.5 | Bright |
| 25 | 5.5 | Bright |
| 26 | 5.5 | Bright |
| 27 | 5.5 | Bright |
| 28 | 5.5 | Bright |
| 29 | 5.5 | Bright |
| 30 | 5.5 | Bright |
| 31 | 5.5 | Bright |
Is May a good time to visit Roissy-en-Brie?
Our two travel scores rate May for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
May is a reasonable time to visit Roissy-en-Brie for sightseeing.
What to pack for Roissy-en-Brie in May
From May's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In May, Roissy-en-Brie sees daytime highs around 19°C and nights near 10°C. Worth packing: rain gear and sun protection. About 11 days see rain.
UV index in Roissy-en-Brie in May
Clear-sky midday UV in May peaks around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Roissy-en-Brie peaks around July 13 at about 7 (high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near January 1 at about 1 (low).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 7 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 1 | 2 | 3 | 5 | 6 | 7 | 7 | 7 | 4 | 3 | 1 | 1 |
| Level | Low | Low | Moderate | Moderate | High | High | High | High | Moderate | Moderate | Low | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 1 | Low |
| Feb | 2 | Low |
| Mar | 3 | Moderate |
| Apr | 5 | Moderate |
| May | 6 | High |
| Jun | 7 | High |
| Jul | 7 | High |
| Aug | 7 | High |
| Sep | 4 | Moderate |
| Oct | 3 | Moderate |
| Nov | 1 | Low |
| Dec | 1 | Low |
Air quality in Roissy-en-Brie in May
Average fine-particle pollution (PM2.5) through the year — so you can see where May falls, not just the annual average.
Air quality in Roissy-en-Brie is worst in March — around 16 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 13 | 13 | 16 | 16 | 14 | 14 | 11 | 12 | 12 | 11 | 11 | 11 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Good | Good | Good | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 13 | Moderate |
| Feb | 13 | Moderate |
| Mar | 16 | Moderate |
| Apr | 16 | Moderate |
| May | 14 | Moderate |
| Jun | 14 | Moderate |
| Jul | 11 | Good |
| Aug | 12 | Good |
| Sep | 12 | Good |
| Oct | 11 | Good |
| Nov | 11 | Good |
| Dec | 11 | Good |
Where is Roissy-en-Brie?
Roissy-en-Brie sits at 48.8°N, 2.6°E, 101 m above sea level, in France. The nearest listed city is Pontault-Combault, 3.0 km away.
Topography around Roissy-en-Brie
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Roissy-en-Brie.
Within 3 km, the terrain around Roissy-en-Brie has only modest variations in elevation — a maximum elevation change of 42 m around an average of 113 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 128 m; within 80 km, significant variations in elevation — a maximum elevation change of 262 m.
The land around Roissy-en-Brie is covered by trees (59%) and artificial surfaces (24%) within 3 km, trees (46%), artificial surfaces (25%) and cropland (20%) within 16 km, and cropland (53%) and trees (34%) within 80 km.
France travel facts
- Travel advisory
- Level 2
- Exercise Increased Caution
- Power plugs
- Type C / E
- 230 V · 50 Hz
- Prices
- ≈ 77% of US
- price level, 2025
- GDP per capita
- $48,986
- 2025
- Happiness
- 6.6 / 10
- World Happiness, 2025
- Safe drinking water
- 100%
- of population, 2024
- Homicide rate
- 1.3
- per 100k, 2023
- Road deaths
- 5.1
- per 100k/yr, 2019
- Income group
- High
- World Bank
- English
- Moderate
- EF EPI 539
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Roissy-en-Brie (48.7916°, 2.6475°, elevation 101 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).