Boulogne-sur-Mer weather in November
In November, Boulogne-sur-Mer sees average daytime highs of 11°C and overnight lows near 8°C, with 107 mm of precipitation across 15.9 wet days and about 8.7 hours of daylight. It is the 8th-warmest and 1st-wettest month of the year here.
Highs ease over the month, from about 13°C in the first days to 9°C by the end. The sky is clear or mostly clear about 13% of the time in November, and the air most often feels dry.
Daylight stretches from about 9 h 30 min at the start of November to 8 h 06 min by month's end. Set against the rest of the year, November is Boulogne-sur-Mer's 12th-clearest and 4th-windiest month. For the whole year in context, see Boulogne-sur-Mer's year-round climate.
- Daytime high
- 11°
- 8th warmest
- Overnight low
- 8°
- 6th coldest
- Precipitation
- 107 mm
- 15.9 wet days
- Daylight
- 8 h 42 min
- 8:19 AM – 4:59 PM
- Cloud cover
- 74%
- 12th clearest
- Wind
- 23 km/h
- 4th windiest
- Solar energy
- 1.07 kWh/m²
- Travel score
- 2.2
- out of 10
- Air quality
- Moderate
- PM2.5 11.8 µg/m³ · 2019
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in November
Highs ease over the month, from about 13°C in the first days to 9°C by the end.
A typical November day in Boulogne-sur-Mer reaches about 11°C in the afternoon and slips back to 8°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between 7°C and 14°C. Set against its neighbours, November runs about 4°C cooler than October and about 3°C warmer than December.
| 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 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 9 | 9 | 9 | 9 |
| Avg low (°C) | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 6 | 6 | 6 | 6 | 6 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 13 | 9 |
| 2 | 13 | 9 |
| 3 | 13 | 9 |
| 4 | 12 | 9 |
| 5 | 12 | 9 |
| 6 | 12 | 9 |
| 7 | 12 | 9 |
| 8 | 12 | 8 |
| 9 | 12 | 8 |
| 10 | 12 | 8 |
| 11 | 11 | 8 |
| 12 | 11 | 8 |
| 13 | 11 | 8 |
| 14 | 11 | 8 |
| 15 | 11 | 8 |
| 16 | 11 | 7 |
| 17 | 11 | 7 |
| 18 | 10 | 7 |
| 19 | 10 | 7 |
| 20 | 10 | 7 |
| 21 | 10 | 7 |
| 22 | 10 | 7 |
| 23 | 10 | 7 |
| 24 | 10 | 7 |
| 25 | 10 | 7 |
| 26 | 10 | 6 |
| 27 | 9 | 6 |
| 28 | 9 | 6 |
| 29 | 9 | 6 |
| 30 | 9 | 6 |
How November really feels in Boulogne-sur-Mer
Once humidity and wind are folded in, November 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.
November sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
Boulogne-sur-Mer weather by month
How November compares with the rest of the year at a glance. November is the 8th-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 | 7° / 4° | 88 | 14.3 | 0.9 | 8.2 | 0.9 |
| Feb | 7° / 4° | 64 | 11.6 | 0.9 | 9.7 | 1.0 |
| Mar | 9° / 5° | 53 | 10.8 | 0.5 | 11.5 | 1.9 |
| Apr | 12° / 7° | 48 | 10.1 | 0 | 13.5 | 3.0 |
| May | 14° / 10° | 57 | 10.7 | 0 | 15.2 | 4.2 |
| Jun | 17° / 13° | 52 | 9.5 | 0 | 16.2 | 5.5 |
| Jul | 19° / 15° | 55 | 10.2 | 0 | 15.8 | 6.2 |
| Aug | 20° / 15° | 70 | 10.4 | 0 | 14.3 | 6.2 |
| Sep | 18° / 13° | 69 | 11.2 | 0 | 12.4 | 5.5 |
| Oct | 15° / 11° | 101 | 14.3 | 0 | 10.4 | 3.9 |
| Nov | 11° / 8° | 107 | 15.9 | 0.1 | 8.7 | 2.2 |
| Dec | 8° / 5° | 106 | 14.7 | 0.7 | 7.8 | 1.3 |
Cloud cover in November
The sky is clear or mostly clear about 13% of the time in November, the cloudiest month of the year.
Beyond those clear spells, partly cloudy skies cover about 14% of November, with mostly cloudy or overcast conditions the remaining 72%.
| 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 (%) | 30 | 30 | 30 | 29 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 29 | 29 | 28 | 27 | 27 | 27 | 27 | 28 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 |
| Cloudier (%) | 70 | 70 | 70 | 71 | 72 | 72 | 72 | 72 | 72 | 72 | 72 | 72 | 71 | 71 | 72 | 73 | 73 | 73 | 73 | 72 | 73 | 73 | 73 | 73 | 73 | 73 | 73 | 73 | 73 | 73 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 30 | 70 |
| 2 | 30 | 70 |
| 3 | 30 | 70 |
| 4 | 29 | 71 |
| 5 | 28 | 72 |
| 6 | 28 | 72 |
| 7 | 28 | 72 |
| 8 | 28 | 72 |
| 9 | 28 | 72 |
| 10 | 28 | 72 |
| 11 | 28 | 72 |
| 12 | 28 | 72 |
| 13 | 29 | 71 |
| 14 | 29 | 71 |
| 15 | 28 | 72 |
| 16 | 27 | 73 |
| 17 | 27 | 73 |
| 18 | 27 | 73 |
| 19 | 27 | 73 |
| 20 | 28 | 72 |
| 21 | 27 | 73 |
| 22 | 27 | 73 |
| 23 | 27 | 73 |
| 24 | 27 | 73 |
| 25 | 27 | 73 |
| 26 | 27 | 73 |
| 27 | 27 | 73 |
| 28 | 27 | 73 |
| 29 | 27 | 73 |
| 30 | 27 | 73 |
Chance of precipitation in November
Boulogne-sur-Mer gets around 107 mm of rain and snow over 15.9 wet days in November, the wettest month. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable precipitation averages around 52% and peaks near 55% on the wettest days, and about 0 day brings 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 51 | 51 | 52 | 53 | 53 | 54 | 55 | 55 | 55 | 55 | 55 | 55 | 55 | 54 | 54 | 53 | 53 | 52 | 52 | 51 | 51 | 50 | 50 | 50 | 50 | 50 | 50 | 50 | 50 | 49 |
| Rain chance (%) | |
|---|---|
| 1 | 51 |
| 2 | 51 |
| 3 | 52 |
| 4 | 53 |
| 5 | 53 |
| 6 | 54 |
| 7 | 55 |
| 8 | 55 |
| 9 | 55 |
| 10 | 55 |
| 11 | 55 |
| 12 | 55 |
| 13 | 55 |
| 14 | 54 |
| 15 | 54 |
| 16 | 53 |
| 17 | 53 |
| 18 | 52 |
| 19 | 52 |
| 20 | 51 |
| 21 | 51 |
| 22 | 50 |
| 23 | 50 |
| 24 | 50 |
| 25 | 50 |
| 26 | 50 |
| 27 | 50 |
| 28 | 50 |
| 29 | 50 |
| 30 | 49 |
Humidity in November
Most of November feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, November lands in the dry band about 98% 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 (%) | 94 | 95 | 95 | 96 | 96 | 97 | 97 | 98 | 98 | 98 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 |
| Comfortable (%) | 6 | 5 | 5 | 4 | 4 | 3 | 3 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Dry (%) | Comfortable (%) | |
|---|---|---|
| 1 | 94 | 6 |
| 2 | 95 | 5 |
| 3 | 95 | 5 |
| 4 | 96 | 4 |
| 5 | 96 | 4 |
| 6 | 97 | 3 |
| 7 | 97 | 3 |
| 8 | 98 | 2 |
| 9 | 98 | 2 |
| 10 | 98 | 2 |
| 11 | 99 | 1 |
| 12 | 99 | 1 |
| 13 | 99 | 1 |
| 14 | 99 | 1 |
| 15 | 99 | 1 |
| 16 | 99 | 1 |
| 17 | 99 | 1 |
| 18 | 99 | 1 |
| 19 | 99 | 1 |
| 20 | 99 | 1 |
| 21 | 99 | 1 |
| 22 | 100 | 0 |
| 23 | 100 | 0 |
| 24 | 100 | 0 |
| 25 | 100 | 0 |
| 26 | 100 | 0 |
| 27 | 100 | 0 |
| 28 | 100 | 0 |
| 29 | 100 | 0 |
| 30 | 100 | 0 |
Wind in November
Winds average 23 km/h in November.
Across November, daily wind ranges from about 23 km/h on the calmest days to 24 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) | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 24 |
| Feels | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 23 | breezy |
| 2 | 23 | breezy |
| 3 | 23 | breezy |
| 4 | 23 | breezy |
| 5 | 23 | breezy |
| 6 | 23 | breezy |
| 7 | 23 | breezy |
| 8 | 23 | breezy |
| 9 | 23 | breezy |
| 10 | 23 | breezy |
| 11 | 23 | breezy |
| 12 | 23 | breezy |
| 13 | 23 | breezy |
| 14 | 23 | breezy |
| 15 | 23 | breezy |
| 16 | 23 | breezy |
| 17 | 23 | breezy |
| 18 | 23 | breezy |
| 19 | 23 | breezy |
| 20 | 23 | breezy |
| 21 | 23 | breezy |
| 22 | 23 | breezy |
| 23 | 23 | breezy |
| 24 | 23 | breezy |
| 25 | 23 | breezy |
| 26 | 23 | breezy |
| 27 | 23 | breezy |
| 28 | 23 | breezy |
| 29 | 23 | breezy |
| 30 | 24 | breezy |
Sunrise & sunset in November
Daylight runs from about 9 h 30 min at the start of November to 8 h 06 min by month's end. The lit band spans sunrise to sunset each day.
Days shrink by about 84 minutes over November. Sunrise moves from 7:53 AM to 8:40 AM, and sunset from 5:21 PM to 4:46 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) | 9.5 | 9.4 | 9.3 | 9.3 | 9.2 | 9.2 | 9.1 | 9.1 | 9.0 | 9.0 | 8.9 | 8.9 | 8.8 | 8.8 | 8.7 | 8.7 | 8.6 | 8.6 | 8.5 | 8.5 | 8.4 | 8.4 | 8.4 | 8.3 | 8.3 | 8.2 | 8.2 | 8.2 | 8.1 | 8.1 |
| Sunrise (AM) | 7:53 | 7:55 | 7:57 | 7:59 | 8:00 | 8:02 | 8:04 | 8:06 | 8:07 | 8:09 | 8:11 | 8:12 | 8:14 | 8:16 | 8:17 | 8:19 | 8:21 | 8:22 | 8:24 | 8:25 | 8:27 | 8:28 | 8:30 | 8:31 | 8:33 | 8:34 | 8:36 | 8:37 | 8:39 | 8:40 |
| Sunset (PM) | 5:21 | 5:19 | 5:17 | 5:16 | 5:14 | 5:13 | 5:11 | 5:10 | 5:08 | 5:07 | 5:05 | 5:04 | 5:02 | 5:01 | 5:00 | 4:59 | 4:58 | 4:56 | 4:55 | 4:54 | 4:53 | 4:52 | 4:51 | 4:50 | 4:50 | 4:49 | 4:48 | 4:47 | 4:47 | 4:46 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 9.5 | 7:53 | 5:21 |
| 2 | 9.4 | 7:55 | 5:19 |
| 3 | 9.3 | 7:57 | 5:17 |
| 4 | 9.3 | 7:59 | 5:16 |
| 5 | 9.2 | 8:00 | 5:14 |
| 6 | 9.2 | 8:02 | 5:13 |
| 7 | 9.1 | 8:04 | 5:11 |
| 8 | 9.1 | 8:06 | 5:10 |
| 9 | 9.0 | 8:07 | 5:08 |
| 10 | 9.0 | 8:09 | 5:07 |
| 11 | 8.9 | 8:11 | 5:05 |
| 12 | 8.9 | 8:12 | 5:04 |
| 13 | 8.8 | 8:14 | 5:02 |
| 14 | 8.8 | 8:16 | 5:01 |
| 15 | 8.7 | 8:17 | 5:00 |
| 16 | 8.7 | 8:19 | 4:59 |
| 17 | 8.6 | 8:21 | 4:58 |
| 18 | 8.6 | 8:22 | 4:56 |
| 19 | 8.5 | 8:24 | 4:55 |
| 20 | 8.5 | 8:25 | 4:54 |
| 21 | 8.4 | 8:27 | 4:53 |
| 22 | 8.4 | 8:28 | 4:52 |
| 23 | 8.4 | 8:30 | 4:51 |
| 24 | 8.3 | 8:31 | 4:50 |
| 25 | 8.3 | 8:33 | 4:50 |
| 26 | 8.2 | 8:34 | 4:49 |
| 27 | 8.2 | 8:36 | 4:48 |
| 28 | 8.2 | 8:37 | 4:47 |
| 29 | 8.1 | 8:39 | 4:47 |
| 30 | 8.1 | 8:40 | 4:46 |
Solar energy in November
Average shortwave solar energy reaching the ground each day in November, about 1.07 kWh/m².
For context, solar energy here swings from a low near 0.71 kWh/m² to a high of 5.83 kWh/m² in June across the year — November's 1.07 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 1.5 | 1.4 | 1.4 | 1.4 | 1.3 | 1.3 | 1.3 | 1.3 | 1.2 | 1.2 | 1.2 | 1.1 | 1.1 | 1.1 | 1.1 | 1.1 | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 | 0.9 | 0.9 | 0.9 | 0.9 | 0.9 | 0.9 | 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 |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 1.5 | Dim |
| 2 | 1.4 | Dim |
| 3 | 1.4 | Dim |
| 4 | 1.4 | Dim |
| 5 | 1.3 | Dim |
| 6 | 1.3 | Dim |
| 7 | 1.3 | Dim |
| 8 | 1.3 | Dim |
| 9 | 1.2 | Dim |
| 10 | 1.2 | Dim |
| 11 | 1.2 | Dim |
| 12 | 1.1 | Dim |
| 13 | 1.1 | Dim |
| 14 | 1.1 | Dim |
| 15 | 1.1 | Dim |
| 16 | 1.1 | Dim |
| 17 | 1.0 | Dim |
| 18 | 1.0 | Dim |
| 19 | 1.0 | Dim |
| 20 | 1.0 | Dim |
| 21 | 1.0 | Dim |
| 22 | 0.9 | Dim |
| 23 | 0.9 | Dim |
| 24 | 0.9 | Dim |
| 25 | 0.9 | Dim |
| 26 | 0.9 | Dim |
| 27 | 0.9 | Dim |
| 28 | 0.8 | Dim |
| 29 | 0.8 | Dim |
| 30 | 0.8 | Dim |
Is November a good time to visit Boulogne-sur-Mer?
Our two travel scores rate November for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
November is a weaker month for outdoor sightseeing in Boulogne-sur-Mer.
What to pack for Boulogne-sur-Mer in November
From November's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In November, Boulogne-sur-Mer sees daytime highs around 11°C and nights near 8°C. Pack a warm layer and rain gear. Worth having: a windbreaker. About 16 days see rain.
Sea temperature near Boulogne-sur-Mer in November
The nearest coast averages about 13°C in November — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea offshore is warmest in August at about 18°C and coldest in February 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 | 18 | 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 | 18 | Cool |
| Oct | 16 | Cool |
| Nov | 13 | Bracing |
| Dec | 11 | Bracing |
UV index in Boulogne-sur-Mer in November
Clear-sky midday UV in November peaks around 1. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Boulogne-sur-Mer peaks around June 20 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 | 6 | 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 | 6 | High |
| Sep | 4 | Moderate |
| Oct | 2 | Moderate |
| Nov | 1 | Low |
| Dec | 1 | Low |
Where is Boulogne-sur-Mer?
Boulogne-sur-Mer sits at 50.7°N, 1.6°E, 43 m above sea level, in France. The nearest listed city is Outreau, 3.0 km away.
Topography around Boulogne-sur-Mer
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Boulogne-sur-Mer.
Within 3 km, the terrain around Boulogne-sur-Mer has only modest variations in elevation — a maximum elevation change of 187 m around an average of 54 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 274 m; within 80 km, significant variations in elevation — a maximum elevation change of 290 m.
The land around Boulogne-sur-Mer is covered by artificial surfaces (34%), trees (23%) and grassland (22%) within 3 km, water (42%) within 16 km, and water (45%) and cropland (31%) 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 Boulogne-sur-Mer (50.7249°, 1.6137°, elevation 43 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).