Lannion in Winter
In winter (December, January and February), Lannion sees average daytime highs around 10°C and overnight lows near 7°C, with 319 mm of precipitation over about 48 wet days across the season. It is the coldest season of the year and the wettest season of the year.
Across winter, daytime highs hold fairly steady around 10°C. The sky is clear or mostly clear about 11% of the time across winter, and the air most often feels dry.
Winter is Lannion's weakest season of the year to visit on our travel score. For the whole year in context, see Lannion's year-round climate.
- Avg daytime high
- 10°C
- coldest season of the year
- Avg overnight low
- 7°C
- Precipitation
- 319 mm
- 48 wet days
- Avg wind
- 26 km/h
- Travel score
- 1.7
- weakest season of the year
- Months
- Dec · Jan · Feb
Temperature in Lannion in Winter
Across winter, daytime highs hold fairly steady around 10°C.
A typical winter day in Lannion reaches about 10°C and drops to 7°C overnight. The warmest of the three months is December, the coolest February.
Lannion weather by month
How the three winter months (December, January and February) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 9° / 7° | 104 | 16.4 | 8.5 | 1.7 |
| Feb | 9° / 6° | 87 | 14.2 | 9.8 | 1.6 |
| Mar | 10° / 7° | 70 | 13.3 | 11.6 | 2.1 |
| Apr | 12° / 8° | 70 | 11.7 | 13.4 | 2.8 |
| May | 14° / 11° | 59 | 10.4 | 15 | 3.9 |
| Jun | 16° / 13° | 48 | 8.7 | 15.9 | 5.1 |
| Jul | 18° / 15° | 42 | 9 | 15.5 | 6.0 |
| Aug | 18° / 15° | 50 | 9.5 | 14.2 | 6.1 |
| Sep | 17° / 14° | 55 | 10 | 12.4 | 5.5 |
| Oct | 15° / 12° | 97 | 15 | 10.5 | 4.0 |
| Nov | 12° / 10° | 116 | 17.3 | 9 | 2.6 |
| Dec | 10° / 8° | 128 | 17.5 | 8.1 | 1.9 |
Cloud cover in Winter
The sky is clear or mostly clear about 11% of the time across winter.
Chance of precipitation in Winter
Lannion gets around 319 mm of rain and snow over 48 wet days across winter. The line is the day-by-day chance of measurable precipitation.
Humidity in Winter
Most of winter feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Winter
Winds average 26 km/h across winter.
Sunrise & sunset in Winter
Daylight runs from about 8 h 24 min in early December to 10 h 36 min by late February. The lit band spans sunrise to sunset each day.
Solar energy in Winter
Average shortwave solar energy reaching the ground each day across winter, about 1.2 kWh/m².
Is winter a good time to visit Lannion?
Our two travel scores rate winter for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
winter is a weaker month for outdoor sightseeing in Lannion.
What to pack for Lannion in Winter
From winter's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In winter, Lannion sees daytime highs around 10°C and nights near 7°C. Pack a warm layer and rain gear. Worth having: a windbreaker. About 48 days see rain.
Sea temperature near Lannion in Winter
The nearest coast averages about 11°C across winter — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 17 km away) is warmest in August at about 17°C and coldest in March near 9°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) | 11 | 10 | 9 | 10 | 12 | 14 | 16 | 17 | 17 | 16 | 14 | 12 |
| Comfort | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Cool | Cool | Cool | Cool | Bracing | Bracing |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 11 | Bracing |
| Feb | 10 | Bracing |
| Mar | 9 | Bracing |
| Apr | 10 | Bracing |
| May | 12 | Bracing |
| Jun | 14 | Bracing |
| Jul | 16 | Cool |
| Aug | 17 | Cool |
| Sep | 17 | Cool |
| Oct | 16 | Cool |
| Nov | 14 | Bracing |
| Dec | 12 | Bracing |
UV index in Lannion in Winter
Clear-sky midday UV across winter averages around 1. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Lannion peaks around August 12 at about 7 (high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near January 11 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 | 1 | 3 | 5 | 6 | 7 | 6 | 7 | 5 | 3 | 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 | 5 | Moderate |
| May | 6 | High |
| Jun | 7 | High |
| Jul | 6 | High |
| Aug | 7 | High |
| Sep | 5 | Moderate |
| Oct | 3 | Moderate |
| Nov | 1 | Low |
| Dec | 1 | Low |
Where is Lannion?
Lannion sits at 48.7°N, 3.5°W, 30 m above sea level, in France. The nearest listed city is Morlaix, 32 km away.
Topography around Lannion
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Lannion.
Within 3 km, the terrain around Lannion has only modest variations in elevation — a maximum elevation change of 108 m around an average of 63 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 186 m; within 80 km, significant variations in elevation — a maximum elevation change of 381 m.
The land around Lannion is covered by trees (41%) and grassland (23%) within 3 km, trees (27%), water (27%) and cropland (23%) within 16 km, and water (41%), cropland (22%) and trees (21%) 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 Lannion (48.7326°, -3.4566°, elevation 30 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.