Chaumont weather in December
In December, Chaumont sees average daytime highs of 5°C and overnight lows near 1°C, with 102 mm of precipitation across 14.7 wet days and about 8.2 hours of daylight. It is the 11th-warmest and 1st-wettest month of the year here.
Day-to-day highs hold fairly steady near 5°C through the month. The sky is clear or mostly clear about 14% of the time in December, and the air most often feels dry.
Daylight stretches from about 8 h 24 min at the start of December to 8 h 12 min by month's end. Set against the rest of the year, December is Chaumont's 12th-clearest and 1st-windiest month. For the whole year in context, see Chaumont's year-round climate.
- Daytime high
- 5°
- 11th warmest
- Overnight low
- 1°
- 3rd coldest
- Precipitation
- 102 mm
- 14.7 wet days
- Daylight
- 8 h 12 min
- 8:30 AM – 4:41 PM
- Cloud cover
- 77%
- 12th clearest
- Wind
- 14 km/h
- 1st windiest
- Solar energy
- 0.83 kWh/m²
- Travel score
- 0.1
- out of 10
Temperature in December
Day-to-day highs hold fairly steady near 5°C through the month.
A typical December day in Chaumont reaches about 5°C in the afternoon and slips back to 1°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 0°C and 11°C. Set against its neighbours, December runs about 3°C cooler than November and on par with January.
| 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) | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 |
| Avg low (°C) | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 6 | 2 |
| 2 | 6 | 2 |
| 3 | 6 | 2 |
| 4 | 6 | 2 |
| 5 | 6 | 2 |
| 6 | 6 | 2 |
| 7 | 6 | 2 |
| 8 | 6 | 1 |
| 9 | 6 | 1 |
| 10 | 6 | 1 |
| 11 | 5 | 1 |
| 12 | 5 | 1 |
| 13 | 5 | 1 |
| 14 | 5 | 1 |
| 15 | 5 | 1 |
| 16 | 5 | 1 |
| 17 | 5 | 1 |
| 18 | 5 | 1 |
| 19 | 5 | 1 |
| 20 | 5 | 1 |
| 21 | 5 | 1 |
| 22 | 5 | 1 |
| 23 | 5 | 1 |
| 24 | 5 | 1 |
| 25 | 5 | 1 |
| 26 | 5 | 1 |
| 27 | 5 | 1 |
| 28 | 5 | 1 |
| 29 | 5 | 1 |
| 30 | 5 | 1 |
| 31 | 5 | 1 |
How December really feels in Chaumont
Once humidity and wind are folded in, December averages 0 days that feel above 32°C and 31 that feel at or below 0°C — the comfort signal a plain temperature reading hides.
The story in December is cold — wind chill drags the overnight "feels like" below the raw low.
Chaumont weather by month
How December compares with the rest of the year at a glance. December is the 11th-warmest and 1st-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | 5° / 0° | 89 | 13.3 | 3 | 8.6 | 0.0 |
| Feb | 6° / 0° | 74 | 11.9 | 3.4 | 9.9 | 0.5 |
| Mar | 11° / 3° | 77 | 12.5 | 1.7 | 11.6 | 2.4 |
| Apr | 15° / 5° | 75 | 12.2 | 0.3 | 13.4 | 4.0 |
| May | 18° / 9° | 92 | 14.2 | 0 | 14.9 | 5.2 |
| Jun | 22° / 12° | 77 | 12.4 | 0 | 15.8 | 6.1 |
| Jul | 24° / 14° | 73 | 12 | 0 | 15.4 | 6.7 |
| Aug | 24° / 14° | 77 | 11.5 | 0 | 14.1 | 6.7 |
| Sep | 20° / 11° | 81 | 10.6 | 0 | 12.4 | 6.0 |
| Oct | 15° / 8° | 88 | 12.6 | 0.1 | 10.6 | 4.0 |
| Nov | 9° / 4° | 95 | 13.3 | 1.2 | 9 | 1.4 |
| Dec | 5° / 1° | 102 | 14.7 | 3.5 | 8.2 | 0.1 |
Cloud cover in December
The sky is clear or mostly clear about 14% of the time in December, the cloudiest month of the year.
Beyond those clear spells, partly cloudy skies cover about 9% of December, with mostly cloudy or overcast conditions the remaining 78%.
| 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 (%) | 19 | 19 | 21 | 21 | 21 | 22 | 23 | 23 | 23 | 23 | 24 | 25 | 26 | 25 | 24 | 24 | 23 | 23 | 23 | 23 | 22 | 22 | 22 | 22 | 21 | 21 | 21 | 21 | 21 | 21 | 21 |
| Cloudier (%) | 81 | 81 | 79 | 79 | 79 | 78 | 77 | 77 | 77 | 77 | 76 | 75 | 74 | 75 | 76 | 76 | 77 | 77 | 77 | 77 | 78 | 78 | 78 | 78 | 79 | 79 | 79 | 79 | 79 | 79 | 79 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 19 | 81 |
| 2 | 19 | 81 |
| 3 | 21 | 79 |
| 4 | 21 | 79 |
| 5 | 21 | 79 |
| 6 | 22 | 78 |
| 7 | 23 | 77 |
| 8 | 23 | 77 |
| 9 | 23 | 77 |
| 10 | 23 | 77 |
| 11 | 24 | 76 |
| 12 | 25 | 75 |
| 13 | 26 | 74 |
| 14 | 25 | 75 |
| 15 | 24 | 76 |
| 16 | 24 | 76 |
| 17 | 23 | 77 |
| 18 | 23 | 77 |
| 19 | 23 | 77 |
| 20 | 23 | 77 |
| 21 | 22 | 78 |
| 22 | 22 | 78 |
| 23 | 22 | 78 |
| 24 | 22 | 78 |
| 25 | 21 | 79 |
| 26 | 21 | 79 |
| 27 | 21 | 79 |
| 28 | 21 | 79 |
| 29 | 21 | 79 |
| 30 | 21 | 79 |
| 31 | 21 | 79 |
Chance of precipitation in December
Chaumont gets around 102 mm of rain and snow over 14.7 wet days in December, the wettest month. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable precipitation averages around 47% and peaks near 50% on the wettest days, and about 4 days bring snow.
| 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 (%) | 44 | 44 | 45 | 44 | 44 | 44 | 44 | 45 | 45 | 45 | 46 | 46 | 47 | 47 | 47 | 48 | 48 | 49 | 49 | 49 | 50 | 50 | 50 | 50 | 50 | 50 | 50 | 49 | 49 | 49 | 49 |
| Snow chance (%) | 9 | 9 | 9 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 9 | 9 | 9 | 10 | 10 | 11 | 11 | 12 | 13 | 14 | 14 | 14 | 15 | 15 | 14 | 14 | 14 | 13 | 13 |
| Rain chance (%) | Snow chance (%) | |
|---|---|---|
| 1 | 44 | 9 |
| 2 | 44 | 9 |
| 3 | 45 | 9 |
| 4 | 44 | 8 |
| 5 | 44 | 8 |
| 6 | 44 | 8 |
| 7 | 44 | 8 |
| 8 | 45 | 8 |
| 9 | 45 | 8 |
| 10 | 45 | 8 |
| 11 | 46 | 8 |
| 12 | 46 | 8 |
| 13 | 47 | 9 |
| 14 | 47 | 9 |
| 15 | 47 | 9 |
| 16 | 48 | 10 |
| 17 | 48 | 10 |
| 18 | 49 | 11 |
| 19 | 49 | 11 |
| 20 | 49 | 12 |
| 21 | 50 | 13 |
| 22 | 50 | 14 |
| 23 | 50 | 14 |
| 24 | 50 | 14 |
| 25 | 50 | 15 |
| 26 | 50 | 15 |
| 27 | 50 | 14 |
| 28 | 49 | 14 |
| 29 | 49 | 14 |
| 30 | 49 | 13 |
| 31 | 49 | 13 |
Humidity in December
Most of December feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, December lands in the dry band about 100% 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 (%) | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 |
| Dry (%) | |
|---|---|
| 1 | 100 |
| 2 | 100 |
| 3 | 100 |
| 4 | 100 |
| 5 | 100 |
| 6 | 100 |
| 7 | 100 |
| 8 | 100 |
| 9 | 100 |
| 10 | 100 |
| 11 | 100 |
| 12 | 100 |
| 13 | 100 |
| 14 | 100 |
| 15 | 100 |
| 16 | 100 |
| 17 | 100 |
| 18 | 100 |
| 19 | 100 |
| 20 | 100 |
| 21 | 100 |
| 22 | 100 |
| 23 | 100 |
| 24 | 100 |
| 25 | 100 |
| 26 | 100 |
| 27 | 100 |
| 28 | 100 |
| 29 | 100 |
| 30 | 100 |
| 31 | 100 |
Wind in December
Winds average 14 km/h in December, the windiest month of the year.
Across December, daily wind ranges from about 13 km/h on the calmest days to 14 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 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 |
| 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 | light breeze | light breeze | light breeze | light breeze |
| 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 | 14 | light breeze |
| 8 | 14 | light breeze |
| 9 | 14 | light breeze |
| 10 | 14 | light breeze |
| 11 | 14 | light breeze |
| 12 | 14 | light breeze |
| 13 | 14 | light breeze |
| 14 | 14 | light breeze |
| 15 | 14 | light breeze |
| 16 | 14 | light breeze |
| 17 | 14 | light breeze |
| 18 | 14 | light breeze |
| 19 | 14 | light breeze |
| 20 | 14 | light breeze |
| 21 | 14 | light breeze |
| 22 | 14 | light breeze |
| 23 | 14 | light breeze |
| 24 | 14 | light breeze |
| 25 | 14 | light breeze |
| 26 | 14 | light breeze |
| 27 | 14 | light breeze |
| 28 | 14 | light breeze |
| 29 | 14 | light breeze |
| 30 | 14 | light breeze |
| 31 | 14 | light breeze |
Sunrise & sunset in December
Daylight runs from about 8 h 24 min at the start of December to 8 h 12 min by month's end. The lit band spans sunrise to sunset each day.
Days shrink by about 12 minutes over December. Sunrise moves from 8:16 AM to 8:37 AM, and sunset from 4:43 PM to 4:49 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) | 8.4 | 8.4 | 8.4 | 8.4 | 8.3 | 8.3 | 8.3 | 8.3 | 8.3 | 8.2 | 8.2 | 8.2 | 8.2 | 8.2 | 8.2 | 8.2 | 8.2 | 8.2 | 8.2 | 8.1 | 8.1 | 8.1 | 8.1 | 8.1 | 8.2 | 8.2 | 8.2 | 8.2 | 8.2 | 8.2 | 8.2 |
| Sunrise (AM) | 8:16 | 8:17 | 8:18 | 8:19 | 8:20 | 8:22 | 8:23 | 8:24 | 8:25 | 8:26 | 8:26 | 8:27 | 8:28 | 8:29 | 8:30 | 8:30 | 8:31 | 8:32 | 8:32 | 8:33 | 8:34 | 8:34 | 8:34 | 8:35 | 8:35 | 8:36 | 8:36 | 8:36 | 8:36 | 8:36 | 8:37 |
| Sunset (PM) | 4:43 | 4:42 | 4:42 | 4:41 | 4:41 | 4:41 | 4:41 | 4:40 | 4:40 | 4:40 | 4:40 | 4:40 | 4:40 | 4:40 | 4:41 | 4:41 | 4:41 | 4:41 | 4:42 | 4:42 | 4:42 | 4:43 | 4:43 | 4:44 | 4:44 | 4:45 | 4:46 | 4:46 | 4:47 | 4:48 | 4:49 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 8.4 | 8:16 | 4:43 |
| 2 | 8.4 | 8:17 | 4:42 |
| 3 | 8.4 | 8:18 | 4:42 |
| 4 | 8.4 | 8:19 | 4:41 |
| 5 | 8.3 | 8:20 | 4:41 |
| 6 | 8.3 | 8:22 | 4:41 |
| 7 | 8.3 | 8:23 | 4:41 |
| 8 | 8.3 | 8:24 | 4:40 |
| 9 | 8.3 | 8:25 | 4:40 |
| 10 | 8.2 | 8:26 | 4:40 |
| 11 | 8.2 | 8:26 | 4:40 |
| 12 | 8.2 | 8:27 | 4:40 |
| 13 | 8.2 | 8:28 | 4:40 |
| 14 | 8.2 | 8:29 | 4:40 |
| 15 | 8.2 | 8:30 | 4:41 |
| 16 | 8.2 | 8:30 | 4:41 |
| 17 | 8.2 | 8:31 | 4:41 |
| 18 | 8.2 | 8:32 | 4:41 |
| 19 | 8.2 | 8:32 | 4:42 |
| 20 | 8.1 | 8:33 | 4:42 |
| 21 | 8.1 | 8:34 | 4:42 |
| 22 | 8.1 | 8:34 | 4:43 |
| 23 | 8.1 | 8:34 | 4:43 |
| 24 | 8.1 | 8:35 | 4:44 |
| 25 | 8.2 | 8:35 | 4:44 |
| 26 | 8.2 | 8:36 | 4:45 |
| 27 | 8.2 | 8:36 | 4:46 |
| 28 | 8.2 | 8:36 | 4:46 |
| 29 | 8.2 | 8:36 | 4:47 |
| 30 | 8.2 | 8:36 | 4:48 |
| 31 | 8.2 | 8:37 | 4:49 |
Solar energy in December
Average shortwave solar energy reaching the ground each day in December, about 0.83 kWh/m² — the year's lowest.
For context, solar energy here swings from a low near 0.83 kWh/m² to a high of 5.76 kWh/m² in June across the year — December's 0.83 kWh/m² sits near the bottom.
| 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) | 0.9 | 0.9 | 0.9 | 0.9 | 0.9 | 0.9 | 0.9 | 0.9 | 0.9 | 0.9 | 0.9 | 0.9 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 |
| Level | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 0.9 | Dim |
| 2 | 0.9 | Dim |
| 3 | 0.9 | Dim |
| 4 | 0.9 | Dim |
| 5 | 0.9 | Dim |
| 6 | 0.9 | Dim |
| 7 | 0.9 | Dim |
| 8 | 0.9 | Dim |
| 9 | 0.9 | Dim |
| 10 | 0.9 | Dim |
| 11 | 0.9 | Dim |
| 12 | 0.9 | Dim |
| 13 | 0.8 | Dim |
| 14 | 0.8 | Dim |
| 15 | 0.8 | Dim |
| 16 | 0.8 | Dim |
| 17 | 0.8 | Dim |
| 18 | 0.8 | Dim |
| 19 | 0.8 | Dim |
| 20 | 0.8 | Dim |
| 21 | 0.8 | Dim |
| 22 | 0.8 | Dim |
| 23 | 0.8 | Dim |
| 24 | 0.8 | Dim |
| 25 | 0.8 | Dim |
| 26 | 0.8 | Dim |
| 27 | 0.8 | Dim |
| 28 | 0.8 | Dim |
| 29 | 0.8 | Dim |
| 30 | 0.8 | Dim |
| 31 | 0.8 | Dim |
Is December a good time to visit Chaumont?
Our two travel scores rate December for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
December is a weaker month for outdoor sightseeing in Chaumont.
What to pack for Chaumont in December
From December's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In December, Chaumont sees daytime highs around 5°C and nights near 1°C. Pack a warm layer and rain gear. Worth having: a heavy coat. About 15 days see rain.
UV index in Chaumont in December
Clear-sky midday UV in December peaks around 1. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Chaumont peaks around July 17 at about 8 (very 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 | 4 | 5 | 6 | 7 | 8 | 7 | 4 | 3 | 1 | 1 |
| Level | Low | Low | Moderate | Moderate | High | High | Very high | High | Moderate | Moderate | Low | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 1 | Low |
| Feb | 2 | Low |
| Mar | 4 | Moderate |
| Apr | 5 | Moderate |
| May | 6 | High |
| Jun | 7 | High |
| Jul | 8 | Very high |
| Aug | 7 | High |
| Sep | 4 | Moderate |
| Oct | 3 | Moderate |
| Nov | 1 | Low |
| Dec | 1 | Low |
Where is Chaumont?
Chaumont sits at 48.1°N, 5.1°E, 322 m above sea level, in France. The nearest listed city is Saint-Dizier, 60 km away.
Topography around Chaumont
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Chaumont.
Within 3 km, the terrain around Chaumont has only modest variations in elevation — a maximum elevation change of 115 m around an average of 302 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 246 m; within 80 km, significant variations in elevation — a maximum elevation change of 490 m.
The land around Chaumont is covered by trees (45%) and artificial surfaces (23%) within 3 km, trees (45%) and cropland (40%) within 16 km, and trees (43%) and cropland (38%) 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 Chaumont (48.1112°, 5.1413°, elevation 322 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).