Lannion weather in June

In June, Lannion sees average daytime highs of 16°C and overnight lows near 13°C, with 48 mm of rain across 8.7 wet days and about 15.9 hours of daylight. It is the 4th-warmest and 11th-wettest month of the year here.

Highs climb over the month, from about 15°C in the first days to 17°C by the end. The sky is clear or mostly clear about 26% of the time in June, and the air most often feels dry.

Daylight stretches from about 15 h 36 min at the start of June to 15 h 54 min by month's end. Set against the rest of the year, June is Lannion's 4th-clearest and 10th-windiest month. For the whole year in context, see Lannion's year-round climate.

Daytime high
16°
4th warmest
Overnight low
13°
9th coldest
Rainfall
48 mm
8.7 wet days
Daylight
15 h 54 min
5:17 AM – 9:12 PM
Cloud cover
61%
4th clearest
Wind
18 km/h
10th windiest
Solar energy
6.03 kWh/m²
Travel score
5.1
out of 10

Temperature in June

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 15°C in the first days to 17°C by the end.

A typical June day in Lannion reaches about 16°C in the afternoon and slips back to 13°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between 14°C and 19°C. Set against its neighbours, June runs about 2°C warmer than May and about 2°C cooler than July.

10°13°15°18°20°151015202530
Avg high (°C)Avg low (°C)
11512
21512
31512
41512
51512
61512
71512
81512
91613
101613
111613
121613
131613
141613
151613
161613
171613
181613
191613
201613
211613
221714
231714
241714
251714
261714
271714
281714
291714
301714

Lannion weather by month

How June compares with the rest of the year at a glance. June is the 4th-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan / 10416.48.51.7
Feb / 8714.29.81.6
Mar10° / 7013.311.62.1
Apr12° / 7011.713.42.8
May14° / 11°5910.4153.9
Jun16° / 13°488.715.95.1
Jul18° / 15°42915.56.0
Aug18° / 15°509.514.26.1
Sep17° / 14°551012.45.5
Oct15° / 12°971510.54.0
Nov12° / 10°11617.392.6
Dec10° / 12817.58.11.9

Cloud cover in June

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 26% of the time in June.

Beyond those clear spells, partly cloudy skies cover about 20% of June, with mostly cloudy or overcast conditions the remaining 54%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14258
24258
34357
44258
54258
64357
74357
84357
94456
104555
114555
124555
134654
144654
154654
164753
174852
184852
194852
204951
214951
224852
234951
244951
254852
264852
274852
284753
294753
304753

Chance of precipitation in June

Any precipitation

Lannion gets around 48 mm of rain over 8.7 wet days in June. 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.

0%10%20%30%40%151015202530
Rain chance (%)
133
233
333
433
533
633
733
833
933
1033
1132
1232
1331
1430
1529
1629
1728
1827
1926
2026
2125
2225
2326
2426
2527
2628
2729
2830
2930
3031

Humidity in June

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, June lands in the dry band about 70% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
188120
287130
386140
486140
585150
684160
783170
882180
981190
1080200
1179210
1277221
1376231
1475241
1574251
1672271
1771281
1869301
1967312
2065332
2163352
2261372
2358393
2456413
2554433
2653443
2751463
2849473
2948494
3046504

Wind in June

Winds average 18 km/h in June.

Across June, daily wind ranges from about 18 km/h on the calmest days to 19 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202530
Wind speed (km/h)Feels
119light breeze
219light breeze
319light breeze
419light breeze
519light breeze
619light breeze
719light breeze
819light breeze
918light breeze
1018light breeze
1118light breeze
1218light breeze
1318light breeze
1418light breeze
1518light breeze
1618light breeze
1718light breeze
1818light breeze
1918light breeze
2018light breeze
2118light breeze
2218light breeze
2318light breeze
2418light breeze
2518light breeze
2618light breeze
2718light breeze
2818light breeze
2918light breeze
3018light breeze

Sunrise & sunset in June

DaylightNight

Daylight runs from about 15 h 36 min at the start of June to 15 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 18 minutes over June. Sunrise moves from 5:23 AM to 5:20 AM, and sunset from 9:00 PM to 9:14 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
115.65:239:00
215.75:229:01
315.75:219:02
415.75:219:03
515.75:209:04
615.85:199:05
715.85:199:06
815.85:199:06
915.85:189:07
1015.85:189:08
1115.95:179:09
1215.95:179:09
1315.95:179:10
1415.95:179:11
1515.95:179:11
1615.95:179:12
1715.95:169:12
1815.95:169:12
1915.95:179:13
2015.95:179:13
2115.95:179:14
2215.95:179:14
2315.95:179:14
2415.95:179:14
2515.95:189:14
2615.95:189:14
2715.95:189:14
2815.95:199:14
2915.95:199:14
3015.95:209:14

Solar energy in June

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in June, about 6.03 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 0.86 kWh/m² to a high of 6.03 kWh/m² in June across the year — June's 6.03 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
15.9Bright
25.9Bright
35.9Bright
45.9Bright
55.9Bright
65.9Bright
75.9Bright
85.9Bright
96.0Bright
106.0Bright
116.0Bright
126.0Intense
136.0Intense
146.0Intense
156.1Intense
166.1Intense
176.1Intense
186.1Intense
196.1Intense
206.1Intense
216.1Intense
226.1Intense
236.1Intense
246.1Intense
256.1Intense
266.0Intense
276.0Intense
286.0Intense
296.0Intense
306.0Intense
Planning a trip in June

Is June a good time to visit Lannion?

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

5.1
Sightseeing
4th-best month of the year
0.7
Beach & pool
4th-best month of the year

June is a reasonable time to visit Lannion for sightseeing.

What to pack for Lannion in June

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

In June, Lannion sees daytime highs around 16°C and nights near 13°C. Pack sun protection. Worth having: a warm layer and rain gear. About 9 days see rain.

sun protectiona warm layerrain gear

Sea temperature near Lannion in June

The nearest coast averages about 14°C in June — 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.

10°15°JanFebMarAprMayJunJulAugSepOctNovDecbracingcool
Sea temperature (°C)Comfort
Jan11Bracing
Feb10Bracing
Mar9Bracing
Apr10Bracing
May12Bracing
Jun14Bracing
Jul16Cool
Aug17Cool
Sep17Cool
Oct16Cool
Nov14Bracing
Dec12Bracing

UV index in Lannion in June

LowModerateHighVery highExtreme

Clear-sky midday UV in June peaks around 7 — enough to warrant sun protection. 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowAug 12UV 7Jan 11UV 1
UV index (midday)Level
Jan1Low
Feb1Low
Mar3Moderate
Apr5Moderate
May6High
Jun7High
Jul6High
Aug7High
Sep5Moderate
Oct3Moderate
Nov1Low
Dec1Low
Location & terrain

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.

3 km
108 m
16 km
186 m
80 km
381 m
treesgrasslandcroplandartificial surfaceswater
June weather nearby: Morlaix 32 km · Saint-Brieuc 56 km · Landerneau 66 km · Pontivy 82 km · Brest 85 km · Quimper 95 km · Douarnenez 96 km · Concarneau 101 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 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. 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).