Sankt Martin weather in May

In May, Sankt Martin sees average daytime highs of 18°C and overnight lows near 8°C, with 119 mm of precipitation across 14.6 wet days and about 14.8 hours of daylight. It is the 5th-warmest and 7th-wettest month of the year here.

Highs climb over the month, from about 16°C in the first days to 19°C by the end. The sky is clear or mostly clear about 21% of the time in May, and the air most often feels dry.

Daylight stretches from about 14 h 06 min at the start of May to 15 h 18 min by month's end. Set against the rest of the year, May is Sankt Martin's 7th-clearest and 3rd-windiest month. For the whole year in context, see Sankt Martin's year-round climate.

Daytime high
18°
5th warmest
Overnight low
8th coldest
Precipitation
119 mm
14.6 wet days
Daylight
14 h 48 min
4:35 AM – 7:23 PM
Cloud cover
64%
7th clearest
Wind
6 km/h
3rd windiest
Solar energy
5.29 kWh/m²
Travel score
5.1
out of 10

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 19°C by the end.

A typical May day in Sankt Martin reaches about 18°C in the afternoon and slips back to 8°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 12°C and 23°C. Set against its neighbours, May runs about 5°C warmer than April and about 4°C cooler than June.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
1166
2166
3166
4167
5167
6177
7177
8177
9177
10177
11177
12178
13178
14178
15188
16188
17188
18188
19188
20188
21189
22189
23199
24199
25199
26199
27199
28199
291910
302010
312010

How May really feels in Sankt Martin

Once humidity and wind are folded in, May averages 0 days that feel above 32°C and 0 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
0
wind chill below the day's low

May sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Sankt Martin weather by month

How May compares with the rest of the year at a glance. May is the 5th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -5°496.958.80.0
Feb / -5°597.36100.0
Mar / -1°769.84.911.61.5
Apr13° / 9612.62.113.33.4
May18° / 11914.60.214.85.1
Jun21° / 12°13614.8015.65.8
Jul23° / 13°14014.9015.36.2
Aug23° / 13°152140146.3
Sep18° / 13911.50.112.45.5
Oct13° / 1219.81.110.63.6
Nov / 12010.63.49.20.9
Dec / -4°808.56.28.40.0

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 21% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 21% of May, with mostly cloudy or overcast conditions the remaining 58%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14159
24060
34060
44060
54060
64060
74060
84060
94060
103961
114060
124060
134060
144159
154159
164159
174159
184258
194258
204357
214357
224456
234555
244555
254555
264456
274456
284456
294357
304357
314357

Chance of precipitation in May

Any precipitationSnow

Sankt Martin gets around 119 mm of rain and snow over 14.6 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 47% and peaks near 49% on the wettest days, and about 0 day brings snow.

0%20%40%60%151015202531
Rain chance (%)Snow chance (%)
1482
2482
3492
4492
5492
6491
7491
8491
9491
10481
11481
12481
13471
14471
15471
16470
17460
18460
19450
20450
21450
22440
23450
24450
25450
26460
27460
28460
29470
30470
31480

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 96% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)
11000
21000
31000
41000
51000
61000
71000
81000
91000
101000
111000
12991
13991
14991
15991
16982
17982
18973
19973
20964
21955
22955
23946
24937
25919
269010
278911
288713
298614
308416
318317

Wind in May

Winds average 6 km/h in May.

Across May, daily wind ranges from about 6 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 14 h 06 min at the start of May to 15 h 18 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 4:57 AM to 4:21 AM, and sunset from 7:04 PM to 7:40 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.14:577:04
214.24:557:05
314.24:537:06
414.34:527:08
514.34:507:09
614.44:497:10
714.44:477:12
814.54:467:13
914.54:447:14
1014.54:437:16
1114.64:427:17
1214.64:407:18
1314.74:397:19
1414.74:387:21
1514.84:367:22
1614.84:357:23
1714.84:347:24
1814.94:337:26
1914.94:327:27
2015.04:307:28
2115.04:297:29
2215.04:287:30
2315.14:277:31
2415.14:267:33
2515.14:257:34
2615.24:257:35
2715.24:247:36
2815.24:237:37
2915.34:227:38
3015.34:217:39
3115.34:217:40

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.29 kWh/m².

For context, solar energy here swings from a low near 1.11 kWh/m² to a high of 5.66 kWh/m² in June across the year — May's 5.29 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
14.9Bright
25.0Bright
35.0Bright
45.0Bright
55.0Bright
65.0Bright
75.0Bright
85.1Bright
95.1Bright
105.1Bright
115.1Bright
125.2Bright
135.2Bright
145.2Bright
155.2Bright
165.2Bright
175.3Bright
185.3Bright
195.3Bright
205.3Bright
215.4Bright
225.4Bright
235.4Bright
245.5Bright
255.5Bright
265.5Bright
275.5Bright
285.5Bright
295.6Bright
305.6Bright
315.6Bright
Planning a trip in May

Is May a good time to visit Sankt Martin?

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
1.6
Beach & pool
5th-best month of the year

May is a reasonable time to visit Sankt Martin for sightseeing.

What to pack for Sankt Martin in May

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

In May, Sankt Martin sees daytime highs around 18°C and nights near 8°C. Pack rain gear. Worth having: sun protection. About 15 days see rain.

rain gearsun protection

UV index in Sankt Martin in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May 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 Sankt Martin peaks around July 16 at about 9 (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.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJul 16UV 9Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb2Moderate
Mar5Moderate
Apr7High
May7High
Jun8Very high
Jul9Very high
Aug8Very high
Sep5High
Oct3Moderate
Nov2Low
Dec1Low

Air quality in Sankt Martin in May

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where May falls, not just the annual average.

Air quality in Sankt Martin is worst in March — around 16 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

Modeled monthly averages (CAMS reanalysis, 2015–2024).

01020JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodMar 2316 µg/m³Nov 910 µg/m³
PM2.5 (µg/m³)Level
Jan15Moderate
Feb14Moderate
Mar16Moderate
Apr16Moderate
May14Moderate
Jun15Moderate
Jul13Moderate
Aug12Good
Sep11Good
Oct11Good
Nov10Good
Dec12Moderate
Location & terrain

Where is Sankt Martin?

Sankt Martin sits at 46.6°N, 14.3°E, 443 m above sea level, in Austria. The nearest listed city is Klagenfurt, 2.0 km away.

VillachKranjBohinjWolfsberg

Topography around Sankt Martin

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

Within 3 km, the terrain around Sankt Martin has significant variations in elevation — a maximum elevation change of 260 m around an average of 466 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,431 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,810 m.

The land around Sankt Martin is covered by trees (35%) and artificial surfaces (35%) within 3 km, trees (56%) within 16 km, and trees (74%) within 80 km.

3 km
260 m
16 km
1,431 m
80 km
2,810 m
treesgrasslandcroplandartificial surfacesbare terrainwater
May weather nearby: Klagenfurt 2.0 km · Sankt Peter 5.0 km · Bled 30 km · Villach 33 km · Kranj 42 km · Bohinj 46 km · Wolfsberg 49 km · Ljubljana 65 km

Austria travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type C / F
230 V · 50 Hz
Prices
≈ 82% of US
price level, 2025
GDP per capita
$62,930
2025
Happiness
6.8 / 10
World Happiness, 2025
Safe drinking water
99%
of population, 2024
Homicide rate
0.9
per 100k, 2023
Road deaths
4.9
per 100k/yr, 2019
Income group
High
World Bank
English
Very high
EF EPI 616
Religion
Roman Catholic 55%none 22%Muslim 8%other 5%

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 Sankt Martin (46.6167°, 14.2833°, elevation 443 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. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).