Landerneau weather in January

In January, Landerneau sees average daytime highs of 9°C and overnight lows near 5°C, with 91 mm of precipitation across 14.6 wet days and about 8.6 hours of daylight. It is the 12th-warmest and 2nd-wettest month of the year here.

Day-to-day highs hold fairly steady near 9°C through the month. The sky is clear or mostly clear about 13% of the time in January, and the air most often feels dry.

Daylight stretches from about 8 h 12 min at the start of January to 9 h 06 min by month's end. Set against the rest of the year, January is Landerneau's 12th-clearest and 1st-windiest month. For the whole year in context, see Landerneau's year-round climate.

Daytime high
12th warmest
Overnight low
2nd coldest
Precipitation
91 mm
14.6 wet days
Daylight
8 h 30 min
9:11 AM – 5:42 PM
Cloud cover
74%
12th clearest
Wind
20 km/h
1st windiest
Solar energy
1.07 kWh/m²
Travel score
1.7
out of 10

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 9°C through the month.

A typical January day in Landerneau reaches about 9°C in the afternoon and slips back to 5°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 6°C and 12°C. Set against its neighbours, January runs on par with December and on par with February.

-5°10°15°151015202531
Avg high (°C)Avg low (°C)
1106
2106
3106
4106
5106
6106
7106
8106
9106
10106
11106
12106
13105
14105
15105
16105
1795
1895
1995
2095
2195
2295
2395
2495
2595
2695
2795
2895
2995
3095
3195

Landerneau weather by month

How January compares with the rest of the year at a glance. January is the 12th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan / 9114.68.61.7
Feb10° / 7512.79.91.8
Mar11° / 6512.411.62.6
Apr13° / 7412.513.43.4
May16° / 6811.8154.6
Jun18° / 12°5510.715.85.7
Jul20° / 13°5010.915.56.1
Aug20° / 14°5711.314.16.1
Sep19° / 12°5410.112.45.9
Oct15° / 10°871410.64.2
Nov12° / 8714.592.8
Dec10° / 9714.58.22.0

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 13% of the time in January, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 14% of January, with mostly cloudy or overcast conditions the remaining 73%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12575
22575
32575
42575
52575
62674
72674
82674
92674
102674
112674
122773
132872
142872
152872
162872
172872
182872
192872
202773
212773
222773
232773
242674
252674
262674
272674
282674
292674
302674
312773

Chance of precipitation in January

Any precipitation

Landerneau gets around 91 mm of rain and snow over 14.6 wet days in January. 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 0 day brings snow.

0%20%40%60%151015202531
Rain chance (%)
149
249
349
449
549
649
749
849
950
1050
1150
1250
1350
1449
1549
1649
1748
1848
1947
2047
2146
2246
2345
2445
2544
2644
2743
2843
2943
3043
3144

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

Most of January feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, January lands in the dry band about 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)
1100
2100
3100
4100
5100
6100
7100
8100
9100
10100
11100
12100
13100
14100
15100
16100
17100
18100
19100
20100
21100
22100
23100
24100
25100
26100
27100
28100
29100
30100
31100

Wind in January

Winds average 20 km/h in January, the windiest month of the year.

Across January, daily wind ranges from about 20 km/h on the calmest days to 21 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202531
Wind speed (km/h)Feels
121breezy
221breezy
321breezy
421breezy
521breezy
621breezy
721breezy
821breezy
921breezy
1021breezy
1121breezy
1221breezy
1321breezy
1420breezy
1520breezy
1620breezy
1720breezy
1820breezy
1920breezy
2020breezy
2120light breeze
2220light breeze
2320light breeze
2420light breeze
2520light breeze
2620light breeze
2720light breeze
2820light breeze
2920light breeze
3020light breeze
3120light breeze

Sunrise & sunset in January

DaylightNight

Daylight runs from about 8 h 12 min at the start of January to 9 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 54 minutes over January. Sunrise moves from 9:15 AM to 8:57 AM, and sunset from 5:25 PM to 6:04 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
18.29:155:25
28.29:155:26
38.29:155:27
48.29:155:28
58.29:155:29
68.39:155:30
78.39:155:31
88.39:145:32
98.39:145:33
108.39:145:34
118.49:135:36
128.49:135:37
138.49:125:38
148.59:125:39
158.59:115:41
168.59:115:42
178.69:105:43
188.69:095:45
198.69:095:46
208.79:085:47
218.79:075:49
228.79:065:50
238.89:055:52
248.89:045:53
258.99:035:55
268.99:025:56
278.99:015:58
289.09:005:59
299.08:596:01
309.18:586:02
319.18:576:04

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 1.07 kWh/m².

For context, solar energy here swings from a low near 0.9 kWh/m² to a high of 6.3 kWh/m² in June across the year — January's 1.07 kWh/m² sits near the bottom.

00.511.52151015202531
Solar energy (kWh/m²)Level
10.9Dim
20.9Dim
30.9Dim
40.9Dim
50.9Dim
60.9Dim
70.9Dim
80.9Dim
91.0Dim
101.0Dim
111.0Dim
121.0Dim
131.0Dim
141.0Dim
151.1Dim
161.1Dim
171.1Dim
181.1Dim
191.1Dim
201.1Dim
211.2Dim
221.2Dim
231.2Dim
241.2Dim
251.2Dim
261.3Dim
271.3Dim
281.3Dim
291.4Dim
301.4Dim
311.4Dim
Planning a trip in January

Is January a good time to visit Landerneau?

Our two travel scores rate January for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

1.7
Sightseeing
12th-best month of the year
0.0
Beach & pool
9th-best month of the year

January is a weaker month for outdoor sightseeing in Landerneau.

What to pack for Landerneau in January

From January's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In January, Landerneau sees daytime highs around 9°C and nights near 5°C. Pack a warm layer and rain gear. Worth having: a windbreaker. About 15 days see rain.

a warm layerrain geara windbreaker

Sea temperature near Landerneau in January

The nearest coast averages about 11°C in January — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 21 km away) is warmest in August at about 15°C and coldest in March near 10°C.

The water stays below 20°C all year — cool enough that most swimmers want a wetsuit.

8°10°12°14°16°JanFebMarAprMayJunJulAugSepOctNovDecbracingcool
Sea temperature (°C)Comfort
Jan11Bracing
Feb10Bracing
Mar10Bracing
Apr11Bracing
May12Bracing
Jun14Bracing
Jul15Bracing
Aug15Cool
Sep15Bracing
Oct14Bracing
Nov13Bracing
Dec12Bracing

UV index in Landerneau in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 1. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Landerneau peaks around August 14 at about 7 (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.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowAug 14UV 7Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb1Low
Mar3Moderate
Apr5Moderate
May6High
Jun7High
Jul6High
Aug7High
Sep5Moderate
Oct3Moderate
Nov1Low
Dec1Low
Location & terrain

Where is Landerneau?

Landerneau sits at 48.5°N, 4.3°W, 15 m above sea level, in France. The nearest listed city is Brest, 19 km away.

Topography around Landerneau

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Landerneau.

Within 3 km, the terrain around Landerneau has only modest variations in elevation — a maximum elevation change of 184 m around an average of 80 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 231 m; within 80 km, significant variations in elevation — a maximum elevation change of 384 m.

The land around Landerneau is covered by trees (45%), cropland (21%) and grassland (20%) within 3 km, trees (33%), cropland (33%) and grassland (24%) within 16 km, and water (50%) within 80 km.

3 km
184 m
16 km
231 m
80 km
384 m
treesgrasslandcroplandartificial surfaceswater
January weather nearby: Brest 19 km · Morlaix 34 km · Douarnenez 40 km · Quimper 52 km · Lannion 66 km · Concarneau 69 km · Ploemeur 100 km · Lorient 102 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
Roman Catholic 47%none 33%Muslim 4%Protestant 2%

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 Landerneau (48.4515°, -4.2518°, elevation 15 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).