Vik weather in May

In May, Vik sees average daytime highs of 5°C and overnight lows near 3°C, with 143 mm of precipitation across 16.7 wet days and about 17.7 hours of daylight. It is the 5th-warmest and 10th-wettest month of the year here.

Highs climb over the month, from about 4°C in the first days to 6°C by the end. The sky is clear or mostly clear about 12% of the time in May, and the air most often feels dry.

Daylight stretches from about 16 h 12 min at the start of May to 19 hours by month's end. Set against the rest of the year, May is Vik's 3rd-clearest and 9th-windiest month. For the whole year in context, see Vik's year-round climate.

Daytime high
5th warmest
Overnight low
8th coldest
Precipitation
143 mm
16.7 wet days
Daylight
17 h 42 min
4:22 AM – 10:03 PM
Cloud cover
76%
3rd clearest
Wind
17 km/h
9th windiest
Solar energy
5.01 kWh/m²
Travel score
0.1
out of 10

Vik is human settlement in Iceland.

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

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 4°C in the first days to 6°C by the end.

A typical May day in Vik reaches about 5°C in the afternoon and slips back to 3°C overnight — a 2°C spread between the day's warmth and the night's chill. On most days the high lands between 3°C and 7°C. Set against its neighbours, May runs about 2°C warmer than April and about 2°C cooler than June.

-5°10°151015202531
Avg high (°C)Avg low (°C)
142
242
342
452
552
652
752
852
952
1052
1153
1253
1353
1453
1553
1653
1753
1853
1953
2063
2163
2263
2364
2464
2564
2664
2764
2864
2964
3064
3164

How May really feels in Vik

Once humidity and wind are folded in, May averages 0 days that feel above 32°C and 25 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
25
wind chill below the day's low

The story in May is cold — wind chill drags the overnight "feels like" below the raw low.

Vik weather by month

How May compares with the rest of the year at a glance. May is the 5th-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -1°2892219.95.20.0
Feb / -1°27820.1188.10.0
Mar / -1°26321.219.311.20.0
Apr / 20118.91514.50.0
May / 14316.78.817.70.1
Jun / 12414.81.919.81.0
Jul / 13816.80.118.91.5
Aug / 17916.70.115.91.6
Sep / 27320.4412.70.8
Oct / 28520.110.79.40.1
Nov / 27019.415.46.30.0
Dec / -1°30621.918.94.20.0

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 12% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 15% of May, with mostly cloudy or overcast conditions the remaining 74%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12971
22872
32773
42674
52674
62773
72773
82773
92773
102773
112773
122872
132872
142971
152872
162872
172872
182872
192872
202773
212773
222773
232674
242476
252476
262476
272377
282278
292278
302278
312278

Chance of precipitation in May

Any precipitationSnow

Vik gets around 143 mm of rain and snow over 16.7 wet days in May. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 53% and peaks near 56% on the wettest days, and about 9 days bring snow.

0%20%40%60%151015202531
Rain chance (%)Snow chance (%)
15638
25637
35536
45435
55334
65333
75233
85232
95131
105131
115131
125130
135130
145129
155129
165129
175228
185228
195328
205427
215427
225526
235526
245525
255524
265522
275521
285420
295419
305317
315316

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 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 May

Winds average 17 km/h in May.

Across May, daily wind ranges from about 16 km/h on the calmest days to 18 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
118light breeze
218light breeze
318light breeze
418light breeze
518light breeze
617light breeze
717light breeze
817light breeze
917light breeze
1017light breeze
1117light breeze
1217light breeze
1317light breeze
1417light breeze
1517light breeze
1617light breeze
1717light breeze
1817light breeze
1917light breeze
2016light breeze
2116light breeze
2216light breeze
2316light breeze
2416light breeze
2516light breeze
2616light breeze
2716light breeze
2816light breeze
2916light breeze
3016light breeze
3116light breeze

Sunrise & sunset in May

DaylightNight

Daylight runs from about 16 h 12 min at the start of May to 19 hours by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 168 minutes over May. Sunrise moves from 5:09 AM to 3:43 AM, and sunset from 9:18 PM to 10:44 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
116.25:099:18
216.35:059:21
316.45:029:24
416.54:599:27
516.64:569:30
616.74:529:33
716.84:499:36
816.94:469:39
917.04:439:42
1017.14:409:45
1117.24:379:48
1217.34:349:51
1317.44:319:54
1417.54:289:57
1517.64:2510:00
1617.74:2210:03
1717.84:1910:06
1817.94:1610:09
1918.04:1310:12
2018.14:1010:15
2118.24:0810:17
2218.34:0510:20
2318.34:0210:23
2418.43:5910:26
2518.53:5710:29
2618.63:5410:31
2718.73:5210:34
2818.83:4910:37
2918.93:4710:39
3018.93:4510:42
3119.03:4310:44

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.01 kWh/m².

For context, solar energy here swings from a low near 0.07 kWh/m² to a high of 5.3 kWh/m² in June across the year — May's 5.01 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
14.5Bright
24.5Bright
34.5Bright
44.6Bright
54.7Bright
64.7Bright
74.8Bright
84.8Bright
94.8Bright
104.9Bright
114.9Bright
125.0Bright
135.0Bright
145.0Bright
155.0Bright
165.1Bright
175.1Bright
185.1Bright
195.1Bright
205.2Bright
215.2Bright
225.2Bright
235.2Bright
245.2Bright
255.2Bright
265.2Bright
275.2Bright
285.2Bright
295.3Bright
305.3Bright
315.3Bright
Planning a trip in May

Is May a good time to visit Vik?

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

0.1
Sightseeing
5th-best month of the year
Beach & pool
never really warm enough

May is a weaker month for outdoor sightseeing in Vik.

What to pack for Vik in May

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

In May, Vik sees daytime highs around 5°C and nights near 3°C. Pack a warm layer and rain gear. Worth having: a heavy coat and sun protection. About 17 days see rain.

a warm layerrain geara heavy coatsun protection

Sea temperature near Vik in May

The nearest coast averages about 8°C in May — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in August at about 12°C and coldest in February near 7°C.

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

6°8°10°12°JanFebMarAprMayJunJulAugSepOctNovDecbracing
Sea temperature (°C)Comfort
Jan8Bracing
Feb7Bracing
Mar7Bracing
Apr8Bracing
May8Bracing
Jun10Bracing
Jul11Bracing
Aug12Bracing
Sep10Bracing
Oct9Bracing
Nov8Bracing
Dec8Bracing

UV index in Vik in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 4 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Vik peaks around June 19 at about 5 (moderate) — a little sun protection helps at midday. It bottoms out near January 1 at about 0 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 4 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateLowJun 19UV 5Jan 1UV 0
UV index (midday)Level
Jan0Low
Feb0Low
Mar1Low
Apr3Moderate
May4Moderate
Jun5Moderate
Jul5Moderate
Aug3Moderate
Sep2Low
Oct1Low
Nov0Low
Dec0Low
Location & terrain

Where is Vik?

Vik sits at 63.4°N, 19.0°W, 0 m above sea level, in Iceland. The nearest listed city is Hafnarfjörður, 161 km away.

HafnarfjörðurKópavogurReykjavikReykjanesbærKeflavikAkureyri

Topography around Vik

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

Within 3 km, the terrain around Vik has significant variations in elevation — a maximum elevation change of 492 m around an average of 96 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,219 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,623 m.

The land around Vik is covered by grassland (45%) and water (31%) within 3 km, water (47%) and grassland (28%) within 16 km, and water (42%) and grassland (23%) within 80 km.

3 km
492 m
16 km
1,219 m
80 km
1,623 m
treesgrasslandcroplandartificial surfacesbare terrainsnow and icewaterwetlandmoss and lichen
May weather nearby: Hafnarfjörður 161 km · Kópavogur 162 km · Reykjavik 163 km · Reykjanesbær 186 km · Keflavik 187 km · Akureyri 256 km · Tórshavn 642 km · Isle of Lewis 893 km

Iceland travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type C / F
230 V · 50 Hz
Prices
≈ 118% of US
price level, 2025
GDP per capita
$98,323
2025
Happiness
7.5 / 10
World Happiness, 2025
Safe drinking water
100%
of population, 2024
Homicide rate
1.3
per 100k, 2023
Road deaths
2
per 100k/yr, 2019
Income group
High
World Bank
Religion
Evangelical Lutheran Church of Iceland 59%other or unspecified 19%none 8%Independent Congregation of Reykjavik 3%

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 Vik (63.4194°, -19.0097°, elevation 0 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).