Chaumont weather in April
In April, Chaumont sees average daytime highs of 15°C and overnight lows near 5°C, with 75 mm of precipitation across 12.2 wet days and about 13.4 hours of daylight. It is the 6th-warmest and 10th-wettest month of the year here.
Highs climb over the month, from about 13°C in the first days to 16°C by the end. The sky is clear or mostly clear about 23% of the time in April, and the air most often feels dry.
Daylight stretches from about 12 h 30 min at the start of April to 14 h 12 min by month's end. Set against the rest of the year, April is Chaumont's 5th-clearest and 7th-windiest month. For the whole year in context, see Chaumont's year-round climate.
- Daytime high
- 15°
- 6th warmest
- Overnight low
- 5°
- 6th coldest
- Precipitation
- 75 mm
- 12.2 wet days
- Daylight
- 13 h 24 min
- 5:57 AM – 7:22 PM
- Cloud cover
- 65%
- 5th clearest
- Wind
- 12 km/h
- 7th windiest
- Solar energy
- 4.59 kWh/m²
- Travel score
- 4.0
- out of 10
Temperature in April
Highs climb over the month, from about 13°C in the first days to 16°C by the end.
A typical April day in Chaumont reaches about 15°C in the afternoon and slips back to 5°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 8°C and 21°C. Set against its neighbours, April runs about 4°C warmer than March and about 4°C cooler than May.
| 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 15 | 15 | 15 | 15 | 15 | 15 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 |
| Avg low (°C) | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 6 | 6 | 6 | 6 | 6 | 6 | 7 | 7 | 7 | 7 | 7 | 7 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 13 | 4 |
| 2 | 13 | 4 |
| 3 | 13 | 4 |
| 4 | 13 | 4 |
| 5 | 13 | 4 |
| 6 | 13 | 4 |
| 7 | 13 | 4 |
| 8 | 13 | 4 |
| 9 | 14 | 4 |
| 10 | 14 | 4 |
| 11 | 14 | 5 |
| 12 | 14 | 5 |
| 13 | 14 | 5 |
| 14 | 14 | 5 |
| 15 | 14 | 5 |
| 16 | 15 | 5 |
| 17 | 15 | 5 |
| 18 | 15 | 5 |
| 19 | 15 | 6 |
| 20 | 15 | 6 |
| 21 | 15 | 6 |
| 22 | 16 | 6 |
| 23 | 16 | 6 |
| 24 | 16 | 6 |
| 25 | 16 | 7 |
| 26 | 16 | 7 |
| 27 | 16 | 7 |
| 28 | 16 | 7 |
| 29 | 16 | 7 |
| 30 | 16 | 7 |
How April really feels in Chaumont
Once humidity and wind are folded in, April 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.
April sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
Chaumont weather by month
How April compares with the rest of the year at a glance. April is the 6th-warmest and 10th-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 April
The sky is clear or mostly clear about 23% of the time in April.
Beyond those clear spells, partly cloudy skies cover about 14% of April, with mostly cloudy or overcast conditions the remaining 63%.
| 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 36 | 37 | 38 | 38 | 39 | 39 | 39 | 39 | 39 | 39 | 39 | 40 | 40 | 40 | 40 | 41 | 41 | 39 | 38 | 38 | 37 | 35 | 35 | 34 | 33 | 33 | 32 | 32 | 31 | 31 |
| Cloudier (%) | 64 | 63 | 62 | 62 | 61 | 61 | 61 | 61 | 61 | 61 | 61 | 60 | 60 | 60 | 60 | 59 | 59 | 61 | 62 | 62 | 63 | 65 | 65 | 66 | 67 | 67 | 68 | 68 | 69 | 69 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 36 | 64 |
| 2 | 37 | 63 |
| 3 | 38 | 62 |
| 4 | 38 | 62 |
| 5 | 39 | 61 |
| 6 | 39 | 61 |
| 7 | 39 | 61 |
| 8 | 39 | 61 |
| 9 | 39 | 61 |
| 10 | 39 | 61 |
| 11 | 39 | 61 |
| 12 | 40 | 60 |
| 13 | 40 | 60 |
| 14 | 40 | 60 |
| 15 | 40 | 60 |
| 16 | 41 | 59 |
| 17 | 41 | 59 |
| 18 | 39 | 61 |
| 19 | 38 | 62 |
| 20 | 38 | 62 |
| 21 | 37 | 63 |
| 22 | 35 | 65 |
| 23 | 35 | 65 |
| 24 | 34 | 66 |
| 25 | 33 | 67 |
| 26 | 33 | 67 |
| 27 | 32 | 68 |
| 28 | 32 | 68 |
| 29 | 31 | 69 |
| 30 | 31 | 69 |
Chance of precipitation in April
Chaumont gets around 75 mm of rain and snow over 12.2 wet days in April. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable precipitation averages around 40% and peaks near 48% on the wettest days, and about 0 day brings snow. The odds climb 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 40 | 40 | 39 | 39 | 39 | 38 | 38 | 38 | 38 | 38 | 38 | 38 | 37 | 37 | 37 | 37 | 38 | 38 | 39 | 40 | 41 | 42 | 43 | 44 | 45 | 45 | 46 | 47 | 47 | 48 |
| Snow chance (%) | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 |
| Rain chance (%) | Snow chance (%) | |
|---|---|---|
| 1 | 40 | 2 |
| 2 | 40 | 2 |
| 3 | 39 | 2 |
| 4 | 39 | 1 |
| 5 | 39 | 1 |
| 6 | 38 | 1 |
| 7 | 38 | 1 |
| 8 | 38 | 1 |
| 9 | 38 | 1 |
| 10 | 38 | 2 |
| 11 | 38 | 2 |
| 12 | 38 | 2 |
| 13 | 37 | 2 |
| 14 | 37 | 2 |
| 15 | 37 | 2 |
| 16 | 37 | 2 |
| 17 | 38 | 1 |
| 18 | 38 | 1 |
| 19 | 39 | 1 |
| 20 | 40 | 1 |
| 21 | 41 | 1 |
| 22 | 42 | 1 |
| 23 | 43 | 1 |
| 24 | 44 | 1 |
| 25 | 45 | 1 |
| 26 | 45 | 1 |
| 27 | 46 | 0 |
| 28 | 47 | 0 |
| 29 | 47 | 0 |
| 30 | 48 | 0 |
Humidity in April
Most of April feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, April 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | 99 | 99 | 99 | 99 | 99 |
| Comfortable (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 |
| Dry (%) | Comfortable (%) | |
|---|---|---|
| 1 | 100 | 0 |
| 2 | 100 | 0 |
| 3 | 100 | 0 |
| 4 | 100 | 0 |
| 5 | 100 | 0 |
| 6 | 100 | 0 |
| 7 | 100 | 0 |
| 8 | 100 | 0 |
| 9 | 100 | 0 |
| 10 | 100 | 0 |
| 11 | 100 | 0 |
| 12 | 100 | 0 |
| 13 | 100 | 0 |
| 14 | 100 | 0 |
| 15 | 100 | 0 |
| 16 | 100 | 0 |
| 17 | 100 | 0 |
| 18 | 100 | 0 |
| 19 | 100 | 0 |
| 20 | 100 | 0 |
| 21 | 100 | 0 |
| 22 | 100 | 0 |
| 23 | 100 | 0 |
| 24 | 100 | 0 |
| 25 | 100 | 0 |
| 26 | 99 | 1 |
| 27 | 99 | 1 |
| 28 | 99 | 1 |
| 29 | 99 | 1 |
| 30 | 99 | 1 |
Wind in April
Winds average 12 km/h in April.
Across April, daily wind ranges from about 11 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (km/h) | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 11 | 11 | 11 |
| 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 | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 13 | light breeze |
| 2 | 13 | light breeze |
| 3 | 13 | light breeze |
| 4 | 12 | light breeze |
| 5 | 12 | light breeze |
| 6 | 12 | light breeze |
| 7 | 12 | light breeze |
| 8 | 12 | light breeze |
| 9 | 12 | light breeze |
| 10 | 12 | light breeze |
| 11 | 12 | light breeze |
| 12 | 12 | light breeze |
| 13 | 12 | light breeze |
| 14 | 12 | light breeze |
| 15 | 12 | calm |
| 16 | 12 | calm |
| 17 | 12 | calm |
| 18 | 12 | calm |
| 19 | 12 | calm |
| 20 | 12 | calm |
| 21 | 12 | calm |
| 22 | 12 | calm |
| 23 | 12 | calm |
| 24 | 11 | calm |
| 25 | 11 | calm |
| 26 | 11 | calm |
| 27 | 11 | calm |
| 28 | 11 | calm |
| 29 | 11 | calm |
| 30 | 11 | calm |
Sunrise & sunset in April
Daylight runs from about 12 h 30 min at the start of April to 14 h 12 min by month's end. The lit band spans sunrise to sunset each day.
Days grow by about 102 minutes over April. Sunrise moves from 6:28 AM to 5:31 AM, and sunset from 7:00 PM to 7:42 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 12.5 | 12.6 | 12.6 | 12.7 | 12.8 | 12.8 | 12.9 | 12.9 | 13.0 | 13.1 | 13.1 | 13.2 | 13.2 | 13.3 | 13.3 | 13.4 | 13.5 | 13.5 | 13.6 | 13.6 | 13.7 | 13.7 | 13.8 | 13.9 | 13.9 | 14.0 | 14.0 | 14.1 | 14.1 | 14.2 |
| Sunrise (AM) | 6:28 | 6:26 | 6:24 | 6:22 | 6:20 | 6:18 | 6:16 | 6:14 | 6:12 | 6:10 | 6:08 | 6:06 | 6:03 | 6:01 | 5:59 | 5:57 | 5:56 | 5:54 | 5:52 | 5:50 | 5:48 | 5:46 | 5:44 | 5:42 | 5:40 | 5:38 | 5:37 | 5:35 | 5:33 | 5:31 |
| Sunset (PM) | 7:00 | 7:01 | 7:03 | 7:04 | 7:06 | 7:07 | 7:09 | 7:10 | 7:12 | 7:13 | 7:14 | 7:16 | 7:17 | 7:19 | 7:20 | 7:22 | 7:23 | 7:25 | 7:26 | 7:28 | 7:29 | 7:31 | 7:32 | 7:34 | 7:35 | 7:36 | 7:38 | 7:39 | 7:41 | 7:42 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 12.5 | 6:28 | 7:00 |
| 2 | 12.6 | 6:26 | 7:01 |
| 3 | 12.6 | 6:24 | 7:03 |
| 4 | 12.7 | 6:22 | 7:04 |
| 5 | 12.8 | 6:20 | 7:06 |
| 6 | 12.8 | 6:18 | 7:07 |
| 7 | 12.9 | 6:16 | 7:09 |
| 8 | 12.9 | 6:14 | 7:10 |
| 9 | 13.0 | 6:12 | 7:12 |
| 10 | 13.1 | 6:10 | 7:13 |
| 11 | 13.1 | 6:08 | 7:14 |
| 12 | 13.2 | 6:06 | 7:16 |
| 13 | 13.2 | 6:03 | 7:17 |
| 14 | 13.3 | 6:01 | 7:19 |
| 15 | 13.3 | 5:59 | 7:20 |
| 16 | 13.4 | 5:57 | 7:22 |
| 17 | 13.5 | 5:56 | 7:23 |
| 18 | 13.5 | 5:54 | 7:25 |
| 19 | 13.6 | 5:52 | 7:26 |
| 20 | 13.6 | 5:50 | 7:28 |
| 21 | 13.7 | 5:48 | 7:29 |
| 22 | 13.7 | 5:46 | 7:31 |
| 23 | 13.8 | 5:44 | 7:32 |
| 24 | 13.9 | 5:42 | 7:34 |
| 25 | 13.9 | 5:40 | 7:35 |
| 26 | 14.0 | 5:38 | 7:36 |
| 27 | 14.0 | 5:37 | 7:38 |
| 28 | 14.1 | 5:35 | 7:39 |
| 29 | 14.1 | 5:33 | 7:41 |
| 30 | 14.2 | 5:31 | 7:42 |
Solar energy in April
Average shortwave solar energy reaching the ground each day in April, about 4.59 kWh/m².
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 — April's 4.59 kWh/m² falls in the middle.
| 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 4.0 | 4.0 | 4.1 | 4.2 | 4.2 | 4.3 | 4.3 | 4.4 | 4.4 | 4.5 | 4.5 | 4.6 | 4.6 | 4.7 | 4.7 | 4.7 | 4.7 | 4.8 | 4.8 | 4.8 | 4.8 | 4.8 | 4.8 | 4.8 | 4.8 | 4.8 | 4.8 | 4.8 | 4.8 | 4.8 |
| Level | Moderate | 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 | 4.0 | Moderate |
| 2 | 4.0 | Bright |
| 3 | 4.1 | Bright |
| 4 | 4.2 | Bright |
| 5 | 4.2 | Bright |
| 6 | 4.3 | Bright |
| 7 | 4.3 | Bright |
| 8 | 4.4 | Bright |
| 9 | 4.4 | Bright |
| 10 | 4.5 | Bright |
| 11 | 4.5 | Bright |
| 12 | 4.6 | Bright |
| 13 | 4.6 | Bright |
| 14 | 4.7 | Bright |
| 15 | 4.7 | Bright |
| 16 | 4.7 | Bright |
| 17 | 4.7 | Bright |
| 18 | 4.8 | Bright |
| 19 | 4.8 | Bright |
| 20 | 4.8 | Bright |
| 21 | 4.8 | Bright |
| 22 | 4.8 | Bright |
| 23 | 4.8 | Bright |
| 24 | 4.8 | Bright |
| 25 | 4.8 | Bright |
| 26 | 4.8 | Bright |
| 27 | 4.8 | Bright |
| 28 | 4.8 | Bright |
| 29 | 4.8 | Bright |
| 30 | 4.8 | Bright |
Is April a good time to visit Chaumont?
Our two travel scores rate April for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
April is a reasonable time to visit Chaumont for sightseeing.
What to pack for Chaumont in April
From April's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In April, Chaumont sees daytime highs around 15°C and nights near 5°C. Worth packing: a warm layer, rain gear and sun protection. About 12 days see rain.
UV index in Chaumont in April
Clear-sky midday UV in April peaks around 5 — enough to warrant sun protection. 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).