Guérande weather in May

In May, Guérande sees average daytime highs of 16°C and overnight lows near 12°C, with 49 mm of rain across 9.1 wet days and about 14.8 hours of daylight. It is the 5th-warmest and 9th-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 25% of the time in May, and the air most often feels dry.

Daylight stretches from about 14 h 12 min at the start of May to 15 h 24 min by month's end. Set against the rest of the year, May is Guérande's 6th-clearest and 8th-windiest month. For the whole year in context, see Guérande's year-round climate.

Daytime high: 16°; 5th warmest
Overnight low: 12°; 7th coldest
Rainfall: 49 mm; 9.1 wet days
Daylight: 14 h 54 min; 5:40 AM – 8:32 PM
Cloud cover: 61%; 6th clearest
Wind: 19 km/h; 8th windiest
Solar energy: 5.86 kWh/m²
Travel score: 5.1; out of 10

Guérande is human settlement in France.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

← April Guérande year-round climate June →Best places to visit in May

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Temperature in May

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 May day in Guérande reaches about 16°C in the afternoon and slips back to 12°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 13°C and 20°C. Set against its neighbours, May runs about 3°C warmer than April and about 3°C cooler than June.

	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)	14	15	15	15	15	15	15	15	15	15	15	16	16	16	16	16	16	16	16	17	17	17	17	17	17	17	17	17	17	18	18
Avg low (°C)	11	11	11	11	11	11	11	11	11	12	12	12	12	12	12	12	12	12	12	13	13	13	13	13	13	13	13	13	14	14	14

	Avg high (°C)	Avg low (°C)
1	14	11
2	15	11
3	15	11
4	15	11
5	15	11
6	15	11
7	15	11
8	15	11
9	15	11
10	15	12
11	15	12
12	16	12
13	16	12
14	16	12
15	16	12
16	16	12
17	16	12
18	16	12
19	16	12
20	17	13
21	17	13
22	17	13
23	17	13
24	17	13
25	17	13
26	17	13
27	17	13
28	17	13
29	17	14
30	18	14
31	18	14

Guérande weather by month

How May compares with the rest of the year at a glance. May is the 5th-warmest and 9th-wettest month here — the current month is highlighted below.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Daylight (hours)	Travel score
Jan	9° / 6°	75	12.1	8.7	1.8
Feb	9° / 6°	56	9.8	9.9	1.9
Mar	11° / 8°	50	10	11.6	2.7
Apr	13° / 9°	50	10	13.3	3.7
May	16° / 12°	49	9.1	14.8	5.1
Jun	19° / 15°	38	7.8	15.7	6.3
Jul	20° / 17°	39	7.2	15.3	6.9
Aug	21° / 17°	43	7.6	14.1	6.9
Sep	19° / 15°	51	7.8	12.4	6.4
Oct	16° / 13°	80	11.9	10.6	4.7
Nov	13° / 10°	82	12.8	9.1	3.1
Dec	10° / 7°	85	13	8.3	2.1

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 25% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 19% of May, with mostly cloudy or overcast conditions the remaining 57%. Skies tend to open up as the month goes on.

	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 (%)	37	37	37	37	37	38	38	39	40	40	41	41	41	42	43	44	44	45	46	47	47	47	48	48	48	49	48	48	48	48	49
Cloudier (%)	63	63	63	63	63	62	62	61	60	60	59	59	59	58	57	56	56	55	54	53	53	53	52	52	52	51	52	52	52	52	51

	Clearer (%)	Cloudier (%)
1	37	63
2	37	63
3	37	63
4	37	63
5	37	63
6	38	62
7	38	62
8	39	61
9	40	60
10	40	60
11	41	59
12	41	59
13	41	59
14	42	58
15	43	57
16	44	56
17	44	56
18	45	55
19	46	54
20	47	53
21	47	53
22	47	53
23	48	52
24	48	52
25	48	52
26	49	51
27	48	52
28	48	52
29	48	52
30	48	52
31	49	51

Chance of precipitation in May

Any precipitation

Guérande gets around 49 mm of rain over 9.1 wet days in May. 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 36% on the wettest days. The odds ease toward the end of the month.

	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 (%)	36	36	36	35	35	34	33	32	32	31	31	31	30	30	30	30	29	29	29	28	28	28	28	27	27	27	27	27	27	27	27

	Rain chance (%)
1	36
2	36
3	36
4	35
5	35
6	34
7	33
8	32
9	32
10	31
11	31
12	31
13	30
14	30
15	30
16	30
17	29
18	29
19	29
20	28
21	28
22	28
23	28
24	27
25	27
26	27
27	27
28	27
29	27
30	27
31	27

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the dry band about 80% 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 (%)	92	91	91	90	89	88	87	87	85	85	84	84	84	83	83	82	82	81	80	78	77	76	74	73	70	69	68	65	64	62	61
Comfortable (%)	8	9	9	10	11	12	13	13	14	14	15	15	15	16	16	17	17	18	19	20	21	22	24	25	27	28	29	31	32	33	34
Humid (%)	0	0	0	0	0	0	0	0	1	1	1	1	1	1	1	1	1	1	1	2	2	2	2	2	3	3	3	4	4	5	5

	Dry (%)	Comfortable (%)	Humid (%)
1	92	8	0
2	91	9	0
3	91	9	0
4	90	10	0
5	89	11	0
6	88	12	0
7	87	13	0
8	87	13	0
9	85	14	1
10	85	14	1
11	84	15	1
12	84	15	1
13	84	15	1
14	83	16	1
15	83	16	1
16	82	17	1
17	82	17	1
18	81	18	1
19	80	19	1
20	78	20	2
21	77	21	2
22	76	22	2
23	74	24	2
24	73	25	2
25	70	27	3
26	69	28	3
27	68	29	3
28	65	31	4
29	64	32	4
30	62	33	5
31	61	34	5

Wind in May

Winds average 19 km/h in May.

Across May, 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.

	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)	19	19	19	19	19	19	19	19	19	19	19	19	19	19	19	19	19	19	18	18	18	18	18	18	18	18	18	18	18	18	18
Feels	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	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	19	light breeze
2	19	light breeze
3	19	light breeze
4	19	light breeze
5	19	light breeze
6	19	light breeze
7	19	light breeze
8	19	light breeze
9	19	light breeze
10	19	light breeze
11	19	light breeze
12	19	light breeze
13	19	light breeze
14	19	light breeze
15	19	light breeze
16	19	light breeze
17	19	light breeze
18	19	light breeze
19	18	light breeze
20	18	light breeze
21	18	light breeze
22	18	light breeze
23	18	light breeze
24	18	light breeze
25	18	light breeze
26	18	light breeze
27	18	light breeze
28	18	light breeze
29	18	light breeze
30	18	light breeze
31	18	light breeze

Sunrise & sunset in May

DaylightNight

Daylight runs from about 14 h 12 min at the start of May to 15 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 72 minutes over May. Sunrise moves from 6:02 AM to 5:25 AM, and sunset from 8:12 PM to 8:49 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)	14.2	14.2	14.3	14.3	14.4	14.4	14.5	14.5	14.6	14.6	14.7	14.7	14.7	14.8	14.8	14.9	14.9	15.0	15.0	15.0	15.1	15.1	15.2	15.2	15.2	15.3	15.3	15.3	15.4	15.4	15.4
Sunrise (AM)	6:02	6:00	5:58	5:57	5:55	5:54	5:52	5:51	5:49	5:48	5:46	5:45	5:44	5:42	5:41	5:40	5:38	5:37	5:36	5:35	5:34	5:33	5:32	5:31	5:30	5:29	5:28	5:27	5:26	5:26	5:25
Sunset (PM)	8:12	8:13	8:15	8:16	8:18	8:19	8:20	8:22	8:23	8:24	8:26	8:27	8:28	8:30	8:31	8:32	8:34	8:35	8:36	8:37	8:38	8:40	8:41	8:42	8:43	8:44	8:45	8:46	8:47	8:48	8:49

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	14.2	6:02	8:12
2	14.2	6:00	8:13
3	14.3	5:58	8:15
4	14.3	5:57	8:16
5	14.4	5:55	8:18
6	14.4	5:54	8:19
7	14.5	5:52	8:20
8	14.5	5:51	8:22
9	14.6	5:49	8:23
10	14.6	5:48	8:24
11	14.7	5:46	8:26
12	14.7	5:45	8:27
13	14.7	5:44	8:28
14	14.8	5:42	8:30
15	14.8	5:41	8:31
16	14.9	5:40	8:32
17	14.9	5:38	8:34
18	15.0	5:37	8:35
19	15.0	5:36	8:36
20	15.0	5:35	8:37
21	15.1	5:34	8:38
22	15.1	5:33	8:40
23	15.2	5:32	8:41
24	15.2	5:31	8:42
25	15.2	5:30	8:43
26	15.3	5:29	8:44
27	15.3	5:28	8:45
28	15.3	5:27	8:46
29	15.4	5:26	8:47
30	15.4	5:26	8:48
31	15.4	5:25	8:49

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.86 kWh/m².

For context, solar energy here swings from a low near 1 kWh/m² to a high of 6.34 kWh/m² in June across the year — May's 5.86 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)	5.3	5.4	5.4	5.4	5.5	5.5	5.5	5.5	5.6	5.6	5.7	5.7	5.7	5.8	5.8	5.9	5.9	5.9	6.0	6.0	6.0	6.1	6.1	6.1	6.2	6.2	6.2	6.2	6.2	6.2	6.2
Level	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense

	Solar energy (kWh/m²)	Level
1	5.3	Bright
2	5.4	Bright
3	5.4	Bright
4	5.4	Bright
5	5.5	Bright
6	5.5	Bright
7	5.5	Bright
8	5.5	Bright
9	5.6	Bright
10	5.6	Bright
11	5.7	Bright
12	5.7	Bright
13	5.7	Bright
14	5.8	Bright
15	5.8	Bright
16	5.9	Bright
17	5.9	Bright
18	5.9	Bright
19	6.0	Bright
20	6.0	Intense
21	6.0	Intense
22	6.1	Intense
23	6.1	Intense
24	6.1	Intense
25	6.2	Intense
26	6.2	Intense
27	6.2	Intense
28	6.2	Intense
29	6.2	Intense
30	6.2	Intense
31	6.2	Intense

Planning a trip in May

Is May a good time to visit Guérande?

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

5.1

Sightseeing

5th-best month of the year

0.8

Beach & pool

5th-best month of the year

May is a reasonable time to visit Guérande for sightseeing.

What to pack for Guérande in May

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

In May, Guérande sees daytime highs around 16°C and nights near 12°C. Worth packing: a warm layer, rain gear and sun protection. About 9 days see rain.

a warm layerrain gearsun protection

Sea temperature near Guérande in May

The nearest coast averages about 14°C in May — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 16 km away) is warmest in August at about 18°C and coldest in February 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)	10	9	10	12	14	16	18	18	17	16	14	11
Comfort	Bracing	Bracing	Bracing	Bracing	Bracing	Cool	Cool	Cool	Cool	Cool	Bracing	Bracing

	Sea temperature (°C)	Comfort
Jan	10	Bracing
Feb	9	Bracing
Mar	10	Bracing
Apr	12	Bracing
May	14	Bracing
Jun	16	Cool
Jul	18	Cool
Aug	18	Cool
Sep	17	Cool
Oct	16	Cool
Nov	14	Bracing
Dec	11	Bracing

UV index in Guérande in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May 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 Guérande peaks around August 10 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.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
UV index (midday)	1	2	3	5	6	7	7	7	5	3	2	1
Level	Low	Low	Moderate	High	High	High	High	High	Moderate	Moderate	Low	Low

	UV index (midday)	Level
Jan	1	Low
Feb	2	Low
Mar	3	Moderate
Apr	5	High
May	6	High
Jun	7	High
Jul	7	High
Aug	7	High
Sep	5	Moderate
Oct	3	Moderate
Nov	2	Low
Dec	1	Low

Location & terrain

Where is Guérande?

Guérande sits at 47.3°N, 2.4°W, 55 m above sea level, in France. The nearest listed city is La Baule-Escoublac, 6.0 km away.

Topography around Guérande

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

Within 3 km, the terrain around Guérande has only modest variations in elevation — a maximum elevation change of 67 m around an average of 30 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 75 m; within 80 km, significant variations in elevation — a maximum elevation change of 328 m.

The land around Guérande is covered by grassland (29%), trees (28%) and cropland (22%) within 3 km, water (48%) within 16 km, and water (39%) and grassland (22%) within 80 km.

3 km

67 m

grassland 29%

16 km

75 m

water 48%

80 km

328 m

water 39%

treesgrasslandcroplandartificial surfaceswaterwetland

← April Guérande year-round climate June →Best places to visit in May

May weather nearby: La Baule-Escoublac 6.0 km · Saint-Nazaire 17 km · Vannes 44 km · Couëron 55 km · Saint-Herblain 60 km · Orvault 61 km · Bouguenais 63 km · La Chapelle-sur-Erdre 66 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 Guérande (47.3283°, -2.4293°, elevation 55 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).

	Avg high (°C)	Avg low (°C)
1	14	11
2	15	11
3	15	11
4	15	11
5	15	11
6	15	11
7	15	11
8	15	11
9	15	11
10	15	12
11	15	12
12	16	12
13	16	12
14	16	12
15	16	12
16	16	12
17	16	12
18	16	12
19	16	12
20	17	13
21	17	13
22	17	13
23	17	13
24	17	13
25	17	13
26	17	13
27	17	13
28	17	13
29	17	14
30	18	14
31	18	14

	Clearer (%)	Cloudier (%)
1	37	63
2	37	63
3	37	63
4	37	63
5	37	63
6	38	62
7	38	62
8	39	61
9	40	60
10	40	60
11	41	59
12	41	59
13	41	59
14	42	58
15	43	57
16	44	56
17	44	56
18	45	55
19	46	54
20	47	53
21	47	53
22	47	53
23	48	52
24	48	52
25	48	52
26	49	51
27	48	52
28	48	52
29	48	52
30	48	52
31	49	51

	Rain chance (%)
1	36
2	36
3	36
4	35
5	35
6	34
7	33
8	32
9	32
10	31
11	31
12	31
13	30
14	30
15	30
16	30
17	29
18	29
19	29
20	28
21	28
22	28
23	28
24	27
25	27
26	27
27	27
28	27
29	27
30	27
31	27

	Dry (%)	Comfortable (%)	Humid (%)
1	92	8	0
2	91	9	0
3	91	9	0
4	90	10	0
5	89	11	0
6	88	12	0
7	87	13	0
8	87	13	0
9	85	14	1
10	85	14	1
11	84	15	1
12	84	15	1
13	84	15	1
14	83	16	1
15	83	16	1
16	82	17	1
17	82	17	1
18	81	18	1
19	80	19	1
20	78	20	2
21	77	21	2
22	76	22	2
23	74	24	2
24	73	25	2
25	70	27	3
26	69	28	3
27	68	29	3
28	65	31	4
29	64	32	4
30	62	33	5
31	61	34	5

	Avg high (°C)	Avg low (°C)
1	14	11
2	15	11
3	15	11
4	15	11
5	15	11
6	15	11
7	15	11
8	15	11
9	15	11
10	15	12
11	15	12
12	16	12
13	16	12
14	16	12
15	16	12
16	16	12
17	16	12
18	16	12
19	16	12
20	17	13
21	17	13
22	17	13
23	17	13
24	17	13
25	17	13
26	17	13
27	17	13
28	17	13
29	17	14
30	18	14
31	18	14

	Clearer (%)	Cloudier (%)
1	37	63
2	37	63
3	37	63
4	37	63
5	37	63
6	38	62
7	38	62
8	39	61
9	40	60
10	40	60
11	41	59
12	41	59
13	41	59
14	42	58
15	43	57
16	44	56
17	44	56
18	45	55
19	46	54
20	47	53
21	47	53
22	47	53
23	48	52
24	48	52
25	48	52
26	49	51
27	48	52
28	48	52
29	48	52
30	48	52
31	49	51

	Rain chance (%)
1	36
2	36
3	36
4	35
5	35
6	34
7	33
8	32
9	32
10	31
11	31
12	31
13	30
14	30
15	30
16	30
17	29
18	29
19	29
20	28
21	28
22	28
23	28
24	27
25	27
26	27
27	27
28	27
29	27
30	27
31	27

	Dry (%)	Comfortable (%)	Humid (%)
1	92	8	0
2	91	9	0
3	91	9	0
4	90	10	0
5	89	11	0
6	88	12	0
7	87	13	0
8	87	13	0
9	85	14	1
10	85	14	1
11	84	15	1
12	84	15	1
13	84	15	1
14	83	16	1
15	83	16	1
16	82	17	1
17	82	17	1
18	81	18	1
19	80	19	1
20	78	20	2
21	77	21	2
22	76	22	2
23	74	24	2
24	73	25	2
25	70	27	3
26	69	28	3
27	68	29	3
28	65	31	4
29	64	32	4
30	62	33	5
31	61	34	5

	Avg high (°C)	Avg low (°C)
1	14	11
2	15	11
3	15	11
4	15	11
5	15	11
6	15	11
7	15	11
8	15	11
9	15	11
10	15	12
11	15	12
12	16	12
13	16	12
14	16	12
15	16	12
16	16	12
17	16	12
18	16	12
19	16	12
20	17	13
21	17	13
22	17	13
23	17	13
24	17	13
25	17	13
26	17	13
27	17	13
28	17	13
29	17	14
30	18	14
31	18	14

	Clearer (%)	Cloudier (%)
1	37	63
2	37	63
3	37	63
4	37	63
5	37	63
6	38	62
7	38	62
8	39	61
9	40	60
10	40	60
11	41	59
12	41	59
13	41	59
14	42	58
15	43	57
16	44	56
17	44	56
18	45	55
19	46	54
20	47	53
21	47	53
22	47	53
23	48	52
24	48	52
25	48	52
26	49	51
27	48	52
28	48	52
29	48	52
30	48	52
31	49	51

	Rain chance (%)
1	36
2	36
3	36
4	35
5	35
6	34
7	33
8	32
9	32
10	31
11	31
12	31
13	30
14	30
15	30
16	30
17	29
18	29
19	29
20	28
21	28
22	28
23	28
24	27
25	27
26	27
27	27
28	27
29	27
30	27
31	27

	Dry (%)	Comfortable (%)	Humid (%)
1	92	8	0
2	91	9	0
3	91	9	0
4	90	10	0
5	89	11	0
6	88	12	0
7	87	13	0
8	87	13	0
9	85	14	1
10	85	14	1
11	84	15	1
12	84	15	1
13	84	15	1
14	83	16	1
15	83	16	1
16	82	17	1
17	82	17	1
18	81	18	1
19	80	19	1
20	78	20	2
21	77	21	2
22	76	22	2
23	74	24	2
24	73	25	2
25	70	27	3
26	69	28	3
27	68	29	3
28	65	31	4
29	64	32	4
30	62	33	5
31	61	34	5