Calais weather in July
In July, Calais sees average daytime highs of 19°C and overnight lows near 15°C, with 51 mm of rain across 9.6 wet days and about 15.8 hours of daylight. It is the 2nd-warmest and 9th-wettest month of the year here.
Highs climb over the month, from about 18°C in the first days to 19°C by the end. The sky is clear or mostly clear about 32% of the time in July, and the air most often feels comfortable.
Daylight stretches from about 16 h 18 min at the start of July to 15 h 12 min by month's end. Set against the rest of the year, July is Calais's 1st-clearest and 11th-windiest month. For the whole year in context, see Calais's year-round climate.
- Daytime high
- 19°
- 2nd warmest
- Overnight low
- 15°
- 11th coldest
- Rainfall
- 51 mm
- 9.6 wet days
- Daylight
- 15 h 54 min
- 5:02 AM – 8:55 PM
- Cloud cover
- 57%
- 1st clearest
- Wind
- 20 km/h
- 11th windiest
- Solar energy
- 5.62 kWh/m²
- Travel score
- 6.1
- out of 10
Calais is commune in Pas-de-Calais, France.
- Air quality
- Moderate
- PM2.5 10.2 µg/m³ · 2019
- Density
- 2,222/km²
- people per km²
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in July
Highs climb over the month, from about 18°C in the first days to 19°C by the end.
A typical July day in Calais reaches about 19°C in the afternoon and slips back to 15°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between 16°C and 21°C. Set against its neighbours, July runs about 2°C warmer than June and on par with August.
| 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) | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 |
| Avg low (°C) | 14 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 18 | 14 |
| 2 | 18 | 15 |
| 3 | 18 | 15 |
| 4 | 18 | 15 |
| 5 | 18 | 15 |
| 6 | 18 | 15 |
| 7 | 18 | 15 |
| 8 | 18 | 15 |
| 9 | 18 | 15 |
| 10 | 18 | 15 |
| 11 | 18 | 15 |
| 12 | 18 | 15 |
| 13 | 18 | 15 |
| 14 | 18 | 15 |
| 15 | 18 | 15 |
| 16 | 19 | 15 |
| 17 | 19 | 15 |
| 18 | 19 | 16 |
| 19 | 19 | 16 |
| 20 | 19 | 16 |
| 21 | 19 | 16 |
| 22 | 19 | 16 |
| 23 | 19 | 16 |
| 24 | 19 | 16 |
| 25 | 19 | 16 |
| 26 | 19 | 16 |
| 27 | 19 | 16 |
| 28 | 19 | 16 |
| 29 | 19 | 16 |
| 30 | 19 | 16 |
| 31 | 19 | 16 |
How July really feels in Calais
Once humidity and wind are folded in, July 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.
July sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
Calais weather by month
How July compares with the rest of the year at a glance. July is the 2nd-warmest and 9th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | 8° / 5° | 79 | 14.3 | 0.8 | 8.2 | 1.0 |
| Feb | 7° / 5° | 60 | 11.4 | 1 | 9.7 | 1.0 |
| Mar | 9° / 6° | 51 | 10.5 | 0.5 | 11.5 | 1.7 |
| Apr | 11° / 8° | 45 | 9.3 | 0 | 13.5 | 2.7 |
| May | 14° / 10° | 51 | 9.8 | 0 | 15.3 | 3.9 |
| Jun | 16° / 13° | 49 | 8.7 | 0 | 16.2 | 5.2 |
| Jul | 19° / 15° | 51 | 9.6 | 0 | 15.8 | 6.1 |
| Aug | 19° / 16° | 65 | 10 | 0 | 14.3 | 6.2 |
| Sep | 18° / 14° | 68 | 11.2 | 0 | 12.4 | 5.5 |
| Oct | 15° / 12° | 96 | 14.3 | 0 | 10.4 | 3.9 |
| Nov | 11° / 8° | 101 | 16.4 | 0.2 | 8.7 | 2.3 |
| Dec | 9° / 6° | 94 | 15 | 0.7 | 7.8 | 1.4 |
Cloud cover in July
The sky is clear or mostly clear about 32% of the time in July, the clearest month of the year.
Beyond those clear spells, partly cloudy skies cover about 19% of July, with mostly cloudy or overcast conditions the remaining 49%.
| 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 (%) | 48 | 48 | 49 | 48 | 48 | 47 | 48 | 48 | 47 | 48 | 48 | 48 | 50 | 50 | 50 | 51 | 52 | 52 | 52 | 53 | 53 | 54 | 53 | 54 | 54 | 55 | 54 | 55 | 55 | 55 | 54 |
| Cloudier (%) | 52 | 52 | 51 | 52 | 52 | 53 | 52 | 52 | 53 | 52 | 52 | 52 | 50 | 50 | 50 | 49 | 48 | 48 | 48 | 47 | 47 | 46 | 47 | 46 | 46 | 45 | 46 | 45 | 45 | 45 | 46 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 48 | 52 |
| 2 | 48 | 52 |
| 3 | 49 | 51 |
| 4 | 48 | 52 |
| 5 | 48 | 52 |
| 6 | 47 | 53 |
| 7 | 48 | 52 |
| 8 | 48 | 52 |
| 9 | 47 | 53 |
| 10 | 48 | 52 |
| 11 | 48 | 52 |
| 12 | 48 | 52 |
| 13 | 50 | 50 |
| 14 | 50 | 50 |
| 15 | 50 | 50 |
| 16 | 51 | 49 |
| 17 | 52 | 48 |
| 18 | 52 | 48 |
| 19 | 52 | 48 |
| 20 | 53 | 47 |
| 21 | 53 | 47 |
| 22 | 54 | 46 |
| 23 | 53 | 47 |
| 24 | 54 | 46 |
| 25 | 54 | 46 |
| 26 | 55 | 45 |
| 27 | 54 | 46 |
| 28 | 55 | 45 |
| 29 | 55 | 45 |
| 30 | 55 | 45 |
| 31 | 54 | 46 |
Chance of precipitation in July
Calais gets around 51 mm of rain over 9.6 wet days in July. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 30% and peaks near 33% on the wettest days.
| 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 (%) | 31 | 32 | 32 | 33 | 33 | 33 | 33 | 33 | 33 | 32 | 32 | 31 | 31 | 30 | 30 | 29 | 29 | 29 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 29 | 29 | 29 | 29 | 30 | 30 |
| Rain chance (%) | |
|---|---|
| 1 | 31 |
| 2 | 32 |
| 3 | 32 |
| 4 | 33 |
| 5 | 33 |
| 6 | 33 |
| 7 | 33 |
| 8 | 33 |
| 9 | 33 |
| 10 | 32 |
| 11 | 32 |
| 12 | 31 |
| 13 | 31 |
| 14 | 30 |
| 15 | 30 |
| 16 | 29 |
| 17 | 29 |
| 18 | 29 |
| 19 | 28 |
| 20 | 28 |
| 21 | 28 |
| 22 | 28 |
| 23 | 28 |
| 24 | 28 |
| 25 | 28 |
| 26 | 29 |
| 27 | 29 |
| 28 | 29 |
| 29 | 29 |
| 30 | 30 |
| 31 | 30 |
Humidity in July
Most of July feels comfortable — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, July lands in the comfortable band about 56% 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 (%) | 48 | 46 | 44 | 43 | 41 | 40 | 39 | 38 | 37 | 36 | 35 | 35 | 34 | 33 | 32 | 31 | 30 | 28 | 27 | 26 | 25 | 24 | 23 | 22 | 21 | 20 | 19 | 18 | 17 | 16 | 16 |
| Comfortable (%) | 48 | 50 | 51 | 52 | 54 | 54 | 55 | 55 | 56 | 56 | 56 | 56 | 56 | 56 | 56 | 56 | 56 | 57 | 57 | 57 | 57 | 57 | 57 | 57 | 57 | 58 | 58 | 59 | 60 | 60 | 60 |
| Humid (%) | 4 | 4 | 5 | 5 | 5 | 6 | 6 | 7 | 7 | 8 | 9 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 22 | 23 | 23 | 23 | 24 | 24 |
| Dry (%) | Comfortable (%) | Humid (%) | |
|---|---|---|---|
| 1 | 48 | 48 | 4 |
| 2 | 46 | 50 | 4 |
| 3 | 44 | 51 | 5 |
| 4 | 43 | 52 | 5 |
| 5 | 41 | 54 | 5 |
| 6 | 40 | 54 | 6 |
| 7 | 39 | 55 | 6 |
| 8 | 38 | 55 | 7 |
| 9 | 37 | 56 | 7 |
| 10 | 36 | 56 | 8 |
| 11 | 35 | 56 | 9 |
| 12 | 35 | 56 | 9 |
| 13 | 34 | 56 | 10 |
| 14 | 33 | 56 | 11 |
| 15 | 32 | 56 | 12 |
| 16 | 31 | 56 | 13 |
| 17 | 30 | 56 | 14 |
| 18 | 28 | 57 | 15 |
| 19 | 27 | 57 | 16 |
| 20 | 26 | 57 | 17 |
| 21 | 25 | 57 | 18 |
| 22 | 24 | 57 | 19 |
| 23 | 23 | 57 | 20 |
| 24 | 22 | 57 | 21 |
| 25 | 21 | 57 | 22 |
| 26 | 20 | 58 | 22 |
| 27 | 19 | 58 | 23 |
| 28 | 18 | 59 | 23 |
| 29 | 17 | 60 | 23 |
| 30 | 16 | 60 | 24 |
| 31 | 16 | 60 | 24 |
Wind in July
Winds average 20 km/h in July.
Across July, daily wind ranges from about 19 km/h on the calmest days to 20 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) | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 |
| Feels | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | 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 | 20 | breezy |
| 2 | 20 | breezy |
| 3 | 20 | breezy |
| 4 | 20 | breezy |
| 5 | 20 | breezy |
| 6 | 20 | breezy |
| 7 | 20 | breezy |
| 8 | 20 | breezy |
| 9 | 20 | breezy |
| 10 | 20 | breezy |
| 11 | 20 | breezy |
| 12 | 20 | breezy |
| 13 | 20 | light breeze |
| 14 | 20 | light breeze |
| 15 | 20 | light breeze |
| 16 | 20 | light breeze |
| 17 | 20 | light breeze |
| 18 | 20 | light breeze |
| 19 | 19 | light breeze |
| 20 | 19 | light breeze |
| 21 | 19 | light breeze |
| 22 | 19 | light breeze |
| 23 | 19 | light breeze |
| 24 | 19 | light breeze |
| 25 | 19 | light breeze |
| 26 | 19 | light breeze |
| 27 | 19 | light breeze |
| 28 | 19 | light breeze |
| 29 | 19 | light breeze |
| 30 | 19 | light breeze |
| 31 | 19 | light breeze |
Sunrise & sunset in July
Daylight runs from about 16 h 18 min at the start of July to 15 h 12 min by month's end. The lit band spans sunrise to sunset each day.
Days shrink by about 66 minutes over July. Sunrise moves from 4:48 AM to 5:21 AM, and sunset from 9:03 PM to 8:36 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) | 16.3 | 16.2 | 16.2 | 16.2 | 16.2 | 16.2 | 16.1 | 16.1 | 16.1 | 16.1 | 16.0 | 16.0 | 16.0 | 16.0 | 15.9 | 15.9 | 15.8 | 15.8 | 15.8 | 15.7 | 15.7 | 15.7 | 15.6 | 15.6 | 15.5 | 15.5 | 15.4 | 15.4 | 15.3 | 15.3 | 15.2 |
| Sunrise (AM) | 4:48 | 4:49 | 4:50 | 4:50 | 4:51 | 4:52 | 4:53 | 4:54 | 4:54 | 4:55 | 4:56 | 4:57 | 4:58 | 4:59 | 5:01 | 5:02 | 5:03 | 5:04 | 5:05 | 5:06 | 5:08 | 5:09 | 5:10 | 5:12 | 5:13 | 5:14 | 5:16 | 5:17 | 5:18 | 5:20 | 5:21 |
| Sunset (PM) | 9:03 | 9:03 | 9:03 | 9:03 | 9:02 | 9:02 | 9:01 | 9:01 | 9:00 | 8:59 | 8:59 | 8:58 | 8:57 | 8:56 | 8:56 | 8:55 | 8:54 | 8:53 | 8:52 | 8:51 | 8:49 | 8:48 | 8:47 | 8:46 | 8:45 | 8:43 | 8:42 | 8:40 | 8:39 | 8:38 | 8:36 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 16.3 | 4:48 | 9:03 |
| 2 | 16.2 | 4:49 | 9:03 |
| 3 | 16.2 | 4:50 | 9:03 |
| 4 | 16.2 | 4:50 | 9:03 |
| 5 | 16.2 | 4:51 | 9:02 |
| 6 | 16.2 | 4:52 | 9:02 |
| 7 | 16.1 | 4:53 | 9:01 |
| 8 | 16.1 | 4:54 | 9:01 |
| 9 | 16.1 | 4:54 | 9:00 |
| 10 | 16.1 | 4:55 | 8:59 |
| 11 | 16.0 | 4:56 | 8:59 |
| 12 | 16.0 | 4:57 | 8:58 |
| 13 | 16.0 | 4:58 | 8:57 |
| 14 | 16.0 | 4:59 | 8:56 |
| 15 | 15.9 | 5:01 | 8:56 |
| 16 | 15.9 | 5:02 | 8:55 |
| 17 | 15.8 | 5:03 | 8:54 |
| 18 | 15.8 | 5:04 | 8:53 |
| 19 | 15.8 | 5:05 | 8:52 |
| 20 | 15.7 | 5:06 | 8:51 |
| 21 | 15.7 | 5:08 | 8:49 |
| 22 | 15.7 | 5:09 | 8:48 |
| 23 | 15.6 | 5:10 | 8:47 |
| 24 | 15.6 | 5:12 | 8:46 |
| 25 | 15.5 | 5:13 | 8:45 |
| 26 | 15.5 | 5:14 | 8:43 |
| 27 | 15.4 | 5:16 | 8:42 |
| 28 | 15.4 | 5:17 | 8:40 |
| 29 | 15.3 | 5:18 | 8:39 |
| 30 | 15.3 | 5:20 | 8:38 |
| 31 | 15.2 | 5:21 | 8:36 |
Solar energy in July
Average shortwave solar energy reaching the ground each day in July, about 5.62 kWh/m².
For context, solar energy here swings from a low near 0.68 kWh/m² to a high of 5.74 kWh/m² in June across the year — July's 5.62 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) | 5.8 | 5.8 | 5.8 | 5.8 | 5.8 | 5.7 | 5.7 | 5.7 | 5.7 | 5.7 | 5.7 | 5.6 | 5.6 | 5.6 | 5.6 | 5.6 | 5.6 | 5.6 | 5.6 | 5.6 | 5.6 | 5.6 | 5.6 | 5.6 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.4 | 5.4 |
| 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 | 5.8 | Bright |
| 2 | 5.8 | Bright |
| 3 | 5.8 | Bright |
| 4 | 5.8 | Bright |
| 5 | 5.8 | Bright |
| 6 | 5.7 | Bright |
| 7 | 5.7 | Bright |
| 8 | 5.7 | Bright |
| 9 | 5.7 | Bright |
| 10 | 5.7 | Bright |
| 11 | 5.7 | Bright |
| 12 | 5.6 | Bright |
| 13 | 5.6 | Bright |
| 14 | 5.6 | Bright |
| 15 | 5.6 | Bright |
| 16 | 5.6 | Bright |
| 17 | 5.6 | Bright |
| 18 | 5.6 | Bright |
| 19 | 5.6 | Bright |
| 20 | 5.6 | Bright |
| 21 | 5.6 | Bright |
| 22 | 5.6 | Bright |
| 23 | 5.6 | Bright |
| 24 | 5.6 | Bright |
| 25 | 5.5 | Bright |
| 26 | 5.5 | Bright |
| 27 | 5.5 | Bright |
| 28 | 5.5 | Bright |
| 29 | 5.5 | Bright |
| 30 | 5.4 | Bright |
| 31 | 5.4 | Bright |
Is July a good time to visit Calais?
Our two travel scores rate July for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
July is a reasonable time to visit Calais for sightseeing.
What to pack for Calais in July
From July's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In July, Calais sees daytime highs around 19°C and nights near 15°C. Worth packing: rain gear and sun protection. About 10 days see rain.
Sea temperature near Calais in July
The nearest coast averages about 16°C in July — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 18 km away) is warmest in August at about 18°C and coldest in March near 8°C.
The water stays below 20°C all year — cool enough that most swimmers want a wetsuit.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 9 | 8 | 8 | 9 | 11 | 14 | 16 | 18 | 17 | 16 | 13 | 11 |
| Comfort | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Cool | Cool | Cool | Cool | Bracing | Bracing |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 9 | Bracing |
| Feb | 8 | Bracing |
| Mar | 8 | Bracing |
| Apr | 9 | Bracing |
| May | 11 | Bracing |
| Jun | 14 | Bracing |
| Jul | 16 | Cool |
| Aug | 18 | Cool |
| Sep | 17 | Cool |
| Oct | 16 | Cool |
| Nov | 13 | Bracing |
| Dec | 11 | Bracing |
UV index in Calais in July
Clear-sky midday UV in July 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 Calais peaks around June 22 at about 6 (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 6 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 1 | 1 | 3 | 4 | 6 | 7 | 6 | 7 | 4 | 2 | 1 | 1 |
| Level | Low | Low | Moderate | Moderate | High | High | High | High | Moderate | Moderate | Low | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 1 | Low |
| Feb | 1 | Low |
| Mar | 3 | Moderate |
| Apr | 4 | Moderate |
| May | 6 | High |
| Jun | 7 | High |
| Jul | 6 | High |
| Aug | 7 | High |
| Sep | 4 | Moderate |
| Oct | 2 | Moderate |
| Nov | 1 | Low |
| Dec | 1 | Low |
Where is Calais?
Calais sits at 51.0°N, 1.9°E, 6 m above sea level, in France. The nearest listed city is Boulogne-sur-Mer, 30 km away.
Topography around Calais
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Calais.
Within 3 km, the terrain around Calais has only modest variations in elevation — a maximum elevation change of 20 m around an average of 3 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 250 m; within 80 km, significant variations in elevation — a maximum elevation change of 290 m.
The land around Calais is covered by artificial surfaces (48%) and grassland (23%) within 3 km, water (45%) and cropland (30%) within 16 km, and water (47%) and cropland (30%) 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 Calais (50.9519°, 1.8563°, elevation 6 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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).