Viveiro weather in May

In May, Viveiro sees average daytime highs of 17°C and overnight lows near 12°C, with 82 mm of rain across 12.7 wet days and about 14.5 hours of daylight. It is the 6th-warmest and 8th-wettest month of the year here.

Highs climb over the month, from about 16°C in the first days to 18°C by the end. The sky is clear or mostly clear about 16% of the time in May, and the air most often feels dry.

Daylight stretches from about 13 h 54 min at the start of May to 15 hours by month's end. Set against the rest of the year, May is Viveiro's 7th-clearest and 9th-windiest month. For the whole year in context, see Viveiro's year-round climate.

Daytime high: 17°; 6th warmest
Overnight low: 12°; 7th coldest
Rainfall: 82 mm; 12.7 wet days
Daylight: 14 h 30 min; 6:11 AM – 8:42 PM
Cloud cover: 68%; 7th clearest
Wind: 15 km/h; 9th windiest
Solar energy: 5.91 kWh/m²
Travel score: 5.1; out of 10

Viveiro is capital town of the municipality of Vivero, Spain.

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

← April Viveiro 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 16°C in the first days to 18°C by the end.

A typical May day in Viveiro reaches about 17°C in the afternoon and slips back to 12°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 14°C and 20°C. Set against its neighbours, May runs about 2°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)	16	16	16	16	16	16	16	17	17	17	17	17	17	17	17	17	17	17	17	18	18	18	18	18	18	18	18	18	18	18	19
Avg low (°C)	11	11	11	11	11	11	11	11	11	11	11	12	12	12	12	12	12	12	12	12	12	12	12	13	13	13	13	13	13	13	13

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

Viveiro weather by month

How May compares with the rest of the year at a glance. May is the 6th-warmest and 8th-wettest month here — the current month is highlighted below.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Daylight (hours)	Travel score
Jan	13° / 9°	116	14.8	9.1	3.0
Feb	13° / 8°	88	12.3	10.2	3.2
Mar	14° / 9°	90	13.1	11.6	3.8
Apr	15° / 10°	97	14.4	13.2	4.0
May	17° / 12°	82	12.7	14.5	5.1
Jun	20° / 14°	54	9.3	15.2	6.2
Jul	22° / 16°	36	7.4	14.9	7.0
Aug	22° / 17°	51	8.8	13.8	6.9
Sep	21° / 16°	68	10	12.3	6.4
Oct	18° / 14°	109	14.2	10.8	5.3
Nov	15° / 11°	130	16.4	9.5	3.8
Dec	13° / 9°	116	14.2	8.8	3.4

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 16% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 18% of May, with mostly cloudy or overcast conditions the remaining 66%.

	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 (%)	31	31	30	30	30	29	29	29	29	31	31	31	32	32	33	33	35	35	37	38	39	39	40	40	40	40	39	38	38	37	37
Cloudier (%)	69	69	70	70	70	71	71	71	71	69	69	69	68	68	67	67	65	65	63	62	61	61	60	60	60	60	61	62	62	63	63

	Clearer (%)	Cloudier (%)
1	31	69
2	31	69
3	30	70
4	30	70
5	30	70
6	29	71
7	29	71
8	29	71
9	29	71
10	31	69
11	31	69
12	31	69
13	32	68
14	32	68
15	33	67
16	33	67
17	35	65
18	35	65
19	37	63
20	38	62
21	39	61
22	39	61
23	40	60
24	40	60
25	40	60
26	40	60
27	39	61
28	38	62
29	38	62
30	37	63
31	37	63

Chance of precipitation in May

Any precipitation

Viveiro gets around 82 mm of rain over 12.7 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 41% and peaks near 49% 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 (%)	49	49	49	49	48	48	47	46	46	45	44	44	43	42	41	41	40	39	38	38	37	37	36	36	36	35	35	35	36	36	37

	Rain chance (%)
1	49
2	49
3	49
4	49
5	48
6	48
7	47
8	46
9	46
10	45
11	44
12	44
13	43
14	42
15	41
16	41
17	40
18	39
19	38
20	38
21	37
22	37
23	36
24	36
25	36
26	35
27	35
28	35
29	36
30	36
31	37

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 82% 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	91	90	90	90	90	89	89	89	88	88	87	87	86	85	84	82	80	79	77	76	74	73	70	69	68	67	66	64
Comfortable (%)	8	9	9	9	10	10	10	10	11	11	11	12	12	13	13	14	15	16	17	19	20	22	23	25	26	28	29	30	31	32	33
Humid (%)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	1	1	1	1	1	1	1	2	2	2	2	2	3

	Dry (%)	Comfortable (%)	Humid (%)
1	92	8	0
2	91	9	0
3	91	9	0
4	91	9	0
5	90	10	0
6	90	10	0
7	90	10	0
8	90	10	0
9	89	11	0
10	89	11	0
11	89	11	0
12	88	12	0
13	88	12	0
14	87	13	0
15	87	13	0
16	86	14	0
17	85	15	0
18	84	16	0
19	82	17	1
20	80	19	1
21	79	20	1
22	77	22	1
23	76	23	1
24	74	25	1
25	73	26	1
26	70	28	2
27	69	29	2
28	68	30	2
29	67	31	2
30	66	32	2
31	64	33	3

Wind in May

Winds average 15 km/h in May.

Across May, daily wind ranges from about 14 km/h on the calmest days to 15 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)	15	15	15	15	15	15	15	15	15	15	15	15	15	15	15	15	15	15	15	15	15	15	15	15	15	15	14	14	14	14	14
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	15	light breeze
2	15	light breeze
3	15	light breeze
4	15	light breeze
5	15	light breeze
6	15	light breeze
7	15	light breeze
8	15	light breeze
9	15	light breeze
10	15	light breeze
11	15	light breeze
12	15	light breeze
13	15	light breeze
14	15	light breeze
15	15	light breeze
16	15	light breeze
17	15	light breeze
18	15	light breeze
19	15	light breeze
20	15	light breeze
21	15	light breeze
22	15	light breeze
23	15	light breeze
24	15	light breeze
25	15	light breeze
26	15	light breeze
27	14	light breeze
28	14	light breeze
29	14	light breeze
30	14	light breeze
31	14	light breeze

Sunrise & sunset in May

DaylightNight

Daylight runs from about 13 h 54 min at the start of May to 15 hours by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 66 minutes over May. Sunrise moves from 6:30 AM to 5:58 AM, and sunset from 8:25 PM to 8:57 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)	13.9	13.9	14.0	14.0	14.1	14.1	14.2	14.2	14.2	14.3	14.3	14.4	14.4	14.4	14.5	14.5	14.6	14.6	14.6	14.7	14.7	14.7	14.8	14.8	14.8	14.8	14.9	14.9	14.9	15.0	15.0
Sunrise (AM)	6:30	6:29	6:28	6:26	6:25	6:23	6:22	6:21	6:19	6:18	6:17	6:16	6:15	6:13	6:12	6:11	6:10	6:09	6:08	6:07	6:06	6:05	6:04	6:03	6:03	6:02	6:01	6:00	6:00	5:59	5:58
Sunset (PM)	8:25	8:26	8:27	8:28	8:29	8:31	8:32	8:33	8:34	8:35	8:36	8:38	8:39	8:40	8:41	8:42	8:43	8:44	8:45	8:46	8:47	8:49	8:50	8:51	8:52	8:52	8:53	8:54	8:55	8:56	8:57

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	13.9	6:30	8:25
2	13.9	6:29	8:26
3	14.0	6:28	8:27
4	14.0	6:26	8:28
5	14.1	6:25	8:29
6	14.1	6:23	8:31
7	14.2	6:22	8:32
8	14.2	6:21	8:33
9	14.2	6:19	8:34
10	14.3	6:18	8:35
11	14.3	6:17	8:36
12	14.4	6:16	8:38
13	14.4	6:15	8:39
14	14.4	6:13	8:40
15	14.5	6:12	8:41
16	14.5	6:11	8:42
17	14.6	6:10	8:43
18	14.6	6:09	8:44
19	14.6	6:08	8:45
20	14.7	6:07	8:46
21	14.7	6:06	8:47
22	14.7	6:05	8:49
23	14.8	6:04	8:50
24	14.8	6:03	8:51
25	14.8	6:03	8:52
26	14.8	6:02	8:52
27	14.9	6:01	8:53
28	14.9	6:00	8:54
29	14.9	6:00	8:55
30	15.0	5:59	8:56
31	15.0	5:58	8:57

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.91 kWh/m².

For context, solar energy here swings from a low near 1.34 kWh/m² to a high of 6.39 kWh/m² in June across the year — May's 5.91 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)	5.4	5.5	5.5	5.5	5.5	5.6	5.6	5.6	5.7	5.7	5.7	5.8	5.8	5.8	5.9	5.9	6.0	6.0	6.0	6.1	6.1	6.1	6.1	6.2	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	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense

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

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

5.1

Sightseeing

6th-best month of the year

1.3

Beach & pool

6th-best month of the year

May is a reasonable time to visit Viveiro for sightseeing.

What to pack for Viveiro in May

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

In May, Viveiro sees daytime highs around 17°C and nights near 12°C. Worth packing: rain gear and sun protection. About 13 days see rain.

rain gearsun protection

Sea temperature near Viveiro 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 24 km away) is warmest in August at about 20°C and coldest in March near 13°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)	13	13	13	13	14	16	19	20	19	17	15	14
Comfort	Bracing	Bracing	Bracing	Bracing	Bracing	Cool	Cool	Cool	Cool	Cool	Cool	Bracing

	Sea temperature (°C)	Comfort
Jan	13	Bracing
Feb	13	Bracing
Mar	13	Bracing
Apr	13	Bracing
May	14	Bracing
Jun	16	Cool
Jul	19	Cool
Aug	20	Cool
Sep	19	Cool
Oct	17	Cool
Nov	15	Cool
Dec	14	Bracing

UV index in Viveiro 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 Viveiro peaks around June 22 at about 8 (very high) — sunscreen, a hat and midday shade are essential. 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 8 months of the year.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
UV index (midday)	1	2	4	6	6	8	8	8	6	4	2	1
Level	Low	Moderate	Moderate	High	High	Very high	Very high	Very high	High	Moderate	Low	Low

	UV index (midday)	Level
Jan	1	Low
Feb	2	Moderate
Mar	4	Moderate
Apr	6	High
May	6	High
Jun	8	Very high
Jul	8	Very high
Aug	8	Very high
Sep	6	High
Oct	4	Moderate
Nov	2	Low
Dec	1	Low

Location & terrain

Where is Viveiro?

Viveiro sits at 43.7°N, 7.6°W, 30 m above sea level, in Spain. The nearest listed city is Narón, 51 km away.

Topography around Viveiro

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

Within 3 km, the terrain around Viveiro has significant variations in elevation — a maximum elevation change of 539 m around an average of 152 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 903 m; within 80 km, large variations in elevation — a maximum elevation change of 1,199 m.

The land around Viveiro is covered by trees (62%) within 3 km, trees (55%) and water (24%) within 16 km, and water (41%) and trees (38%) within 80 km.

3 km

539 m

trees 62%

16 km

903 m

trees 55%

80 km

1,199 m

water 41%

treesshrubsgrasslandcroplandartificial surfaceswaterwetland

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

May weather nearby: Narón 51 km · Ferrol 55 km · Oleiros 69 km · A Coruña 72 km · Lugo 73 km · Cambre 73 km · Culleredo 76 km · Arteixo 84 km

Spain travel facts

Travel advisory: Level 2; Exercise Increased Caution
Power plugs: Type C / F; 230 V · 50 Hz
Prices: ≈ 65% of US; price level, 2025
GDP per capita: $38,627; 2025
Happiness: 6.5 / 10; World Happiness, 2025
Safe drinking water: 99%; of population, 2024
Homicide rate: 0.7; per 100k, 2023
Road deaths: 3.9; per 100k/yr, 2019
Income group: High; World Bank
English: Moderate; EF EPI 540
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 Viveiro (43.6623°, -7.5934°, 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).

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

	Clearer (%)	Cloudier (%)
1	31	69
2	31	69
3	30	70
4	30	70
5	30	70
6	29	71
7	29	71
8	29	71
9	29	71
10	31	69
11	31	69
12	31	69
13	32	68
14	32	68
15	33	67
16	33	67
17	35	65
18	35	65
19	37	63
20	38	62
21	39	61
22	39	61
23	40	60
24	40	60
25	40	60
26	40	60
27	39	61
28	38	62
29	38	62
30	37	63
31	37	63

	Rain chance (%)
1	49
2	49
3	49
4	49
5	48
6	48
7	47
8	46
9	46
10	45
11	44
12	44
13	43
14	42
15	41
16	41
17	40
18	39
19	38
20	38
21	37
22	37
23	36
24	36
25	36
26	35
27	35
28	35
29	36
30	36
31	37

	Dry (%)	Comfortable (%)	Humid (%)
1	92	8	0
2	91	9	0
3	91	9	0
4	91	9	0
5	90	10	0
6	90	10	0
7	90	10	0
8	90	10	0
9	89	11	0
10	89	11	0
11	89	11	0
12	88	12	0
13	88	12	0
14	87	13	0
15	87	13	0
16	86	14	0
17	85	15	0
18	84	16	0
19	82	17	1
20	80	19	1
21	79	20	1
22	77	22	1
23	76	23	1
24	74	25	1
25	73	26	1
26	70	28	2
27	69	29	2
28	68	30	2
29	67	31	2
30	66	32	2
31	64	33	3

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

	Clearer (%)	Cloudier (%)
1	31	69
2	31	69
3	30	70
4	30	70
5	30	70
6	29	71
7	29	71
8	29	71
9	29	71
10	31	69
11	31	69
12	31	69
13	32	68
14	32	68
15	33	67
16	33	67
17	35	65
18	35	65
19	37	63
20	38	62
21	39	61
22	39	61
23	40	60
24	40	60
25	40	60
26	40	60
27	39	61
28	38	62
29	38	62
30	37	63
31	37	63

	Rain chance (%)
1	49
2	49
3	49
4	49
5	48
6	48
7	47
8	46
9	46
10	45
11	44
12	44
13	43
14	42
15	41
16	41
17	40
18	39
19	38
20	38
21	37
22	37
23	36
24	36
25	36
26	35
27	35
28	35
29	36
30	36
31	37

	Dry (%)	Comfortable (%)	Humid (%)
1	92	8	0
2	91	9	0
3	91	9	0
4	91	9	0
5	90	10	0
6	90	10	0
7	90	10	0
8	90	10	0
9	89	11	0
10	89	11	0
11	89	11	0
12	88	12	0
13	88	12	0
14	87	13	0
15	87	13	0
16	86	14	0
17	85	15	0
18	84	16	0
19	82	17	1
20	80	19	1
21	79	20	1
22	77	22	1
23	76	23	1
24	74	25	1
25	73	26	1
26	70	28	2
27	69	29	2
28	68	30	2
29	67	31	2
30	66	32	2
31	64	33	3

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

	Clearer (%)	Cloudier (%)
1	31	69
2	31	69
3	30	70
4	30	70
5	30	70
6	29	71
7	29	71
8	29	71
9	29	71
10	31	69
11	31	69
12	31	69
13	32	68
14	32	68
15	33	67
16	33	67
17	35	65
18	35	65
19	37	63
20	38	62
21	39	61
22	39	61
23	40	60
24	40	60
25	40	60
26	40	60
27	39	61
28	38	62
29	38	62
30	37	63
31	37	63

	Rain chance (%)
1	49
2	49
3	49
4	49
5	48
6	48
7	47
8	46
9	46
10	45
11	44
12	44
13	43
14	42
15	41
16	41
17	40
18	39
19	38
20	38
21	37
22	37
23	36
24	36
25	36
26	35
27	35
28	35
29	36
30	36
31	37

	Dry (%)	Comfortable (%)	Humid (%)
1	92	8	0
2	91	9	0
3	91	9	0
4	91	9	0
5	90	10	0
6	90	10	0
7	90	10	0
8	90	10	0
9	89	11	0
10	89	11	0
11	89	11	0
12	88	12	0
13	88	12	0
14	87	13	0
15	87	13	0
16	86	14	0
17	85	15	0
18	84	16	0
19	82	17	1
20	80	19	1
21	79	20	1
22	77	22	1
23	76	23	1
24	74	25	1
25	73	26	1
26	70	28	2
27	69	29	2
28	68	30	2
29	67	31	2
30	66	32	2
31	64	33	3