Karlshamn weather in May

In May, Karlshamn sees average daytime highs of 14°C and overnight lows near 7°C, with 50 mm of rain across 9.9 wet days and about 16 hours of daylight. It is the 5th-warmest and 9th-wettest month of the year here.

Highs climb over the month, from about 12°C in the first days to 16°C by the end. The sky is clear or mostly clear about 29% of the time in May, and the air most often feels dry.

Daylight stretches from about 15 hours at the start of May to 16 h 54 min by month's end. Set against the rest of the year, May is Karlshamn's 1st-clearest and 9th-windiest month. For the whole year in context, see Karlshamn's year-round climate.

Daytime high
14°
5th warmest
Overnight low
8th coldest
Rainfall
50 mm
9.9 wet days
Daylight
16 h 06 min
3:55 AM – 7:58 PM
Cloud cover
58%
1st clearest
Wind
14 km/h
9th windiest
Solar energy
5.39 kWh/m²
Travel score
4.1
out of 10

Karlshamn is urban area in Karlshamn Municipality, Sweden.

Air quality
Good
PM10 18 µg/m³ · 2019
Founded
1664

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 12°C in the first days to 16°C by the end.

A typical May day in Karlshamn reaches about 14°C in the afternoon and slips back to 7°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 10°C and 19°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)
1125
2125
3125
4125
5125
6135
7135
8136
9136
10136
11136
12136
13146
14146
15147
16147
17147
18147
19147
20157
21157
22158
23158
24158
25158
26158
27168
28169
29169
30169
31169

How May really feels in Karlshamn

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.

Karlshamn 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.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -1°5411.35.47.30.0
Feb / -2°459.75.79.10.0
Mar / -0°399.13.411.40.2
Apr / 378.50.813.82.0
May14° / 509.90164.1
Jun18° / 11°6711.4017.25.4
Jul20° / 13°7611.8016.86.0
Aug20° / 13°6912.1014.95.9
Sep16° / 10°5910.2012.54.8
Oct11° / 6511.30.310.12.5
Nov / 6112.51.47.90.6
Dec / 6012.24.16.70.0

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 29% of the time in May, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 18% of May, with mostly cloudy or overcast conditions the remaining 53%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14852
24852
34951
44852
54852
64951
74951
85050
95050
104951
115050
124951
134951
144852
154852
164753
174753
184654
194654
204555
214555
224456
234456
244456
254456
264456
274357
284555
294555
304555
314654

Chance of precipitation in May

Any precipitation

Karlshamn gets around 50 mm of rain over 9.9 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 32% and peaks near 34% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
129
230
330
430
530
630
730
831
931
1031
1131
1232
1332
1432
1532
1632
1732
1832
1932
2033
2133
2233
2333
2433
2533
2634
2734
2834
2934
3033
3133

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 99% 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
121000
131000
14991
15991
16991
17991
18991
19991
20982
21982
22982
23982
24982
25973
26973
27973
28973
29964
30964
31964

Wind in May

Winds average 14 km/h in May.

Across May, daily wind ranges from about 14 km/h on the calmest days to 14 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
114light breeze
214light breeze
314light breeze
414light breeze
514light breeze
614light breeze
714light breeze
814light breeze
914light breeze
1014light breeze
1114light breeze
1214light breeze
1314light breeze
1414light breeze
1514light breeze
1614light breeze
1714light breeze
1814light breeze
1914light breeze
2014light breeze
2114light breeze
2214light breeze
2314light breeze
2414light breeze
2514light breeze
2614light breeze
2714light breeze
2814light breeze
2914light breeze
3014light breeze
3114light breeze

Sunrise & sunset in May

DaylightNight

Daylight runs from about 15 hours at the start of May to 16 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 114 minutes over May. Sunrise moves from 4:27 AM to 3:32 AM, and sunset from 7:29 PM to 8:24 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
115.04:277:29
215.14:257:31
315.24:227:33
415.24:207:35
515.34:187:37
615.44:167:39
715.54:137:41
815.54:117:43
915.64:097:45
1015.74:077:47
1115.74:057:49
1215.84:037:51
1315.94:017:53
1415.93:597:55
1516.03:577:56
1616.13:557:58
1716.13:538:00
1816.23:528:02
1916.23:508:04
2016.33:488:06
2116.43:468:07
2216.43:458:09
2316.53:438:11
2416.53:428:13
2516.63:408:14
2616.63:398:16
2716.73:378:18
2816.73:368:19
2916.83:358:21
3016.83:338:22
3116.93:328:24

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.39 kWh/m².

For context, solar energy here swings from a low near 0.32 kWh/m² to a high of 5.71 kWh/m² in June across the year — May's 5.39 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.0Bright
25.0Bright
35.0Bright
45.1Bright
55.1Bright
65.1Bright
75.2Bright
85.2Bright
95.2Bright
105.3Bright
115.3Bright
125.3Bright
135.3Bright
145.3Bright
155.4Bright
165.4Bright
175.4Bright
185.4Bright
195.5Bright
205.5Bright
215.5Bright
225.5Bright
235.5Bright
245.6Bright
255.6Bright
265.6Bright
275.6Bright
285.7Bright
295.7Bright
305.7Bright
315.7Bright
Planning a trip in May

Is May a good time to visit Karlshamn?

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

4.1
Sightseeing
5th-best month of the year
0.1
Beach & pool
5th-best month of the year

May is a reasonable time to visit Karlshamn for sightseeing.

What to pack for Karlshamn in May

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

In May, Karlshamn sees daytime highs around 14°C and nights near 7°C. Worth packing: a warm layer, rain gear and sun protection. About 10 days see rain.

a warm layerrain gearsun protection

Sea temperature near Karlshamn in May

The nearest coast averages about 9°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 18°C and coldest in February near 3°C.

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

0°5°10°15°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshing
Sea temperature (°C)Comfort
Jan4Bracing
Feb3Bracing
Mar3Bracing
Apr5Bracing
May9Bracing
Jun13Bracing
Jul17Cool
Aug18Cool
Sep15Cool
Oct12Bracing
Nov8Bracing
Dec6Bracing

UV index in Karlshamn in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 5 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Karlshamn peaks around June 20 at about 5 (high) — a little sun protection helps at midday. It bottoms out near December 20 at about 0 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 6 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowJun 20UV 5Dec 20UV 0
UV index (midday)Level
Jan0Low
Feb1Low
Mar2Moderate
Apr3Moderate
May5Moderate
Jun5High
Jul5High
Aug4Moderate
Sep3Moderate
Oct1Low
Nov1Low
Dec0Low
Location & terrain

Where is Karlshamn?

Karlshamn sits at 56.2°N, 14.9°E, 14 m above sea level, in Sweden. The nearest listed city is Karlskrona, 45 km away.

LjungbyEslövYstadKalmar

Topography around Karlshamn

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

Within 3 km, the terrain around Karlshamn has only modest variations in elevation — a maximum elevation change of 83 m around an average of 17 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 153 m; within 80 km, significant variations in elevation — a maximum elevation change of 281 m.

The land around Karlshamn is covered by trees (53%) within 3 km, trees (45%) and water (40%) within 16 km, and trees (53%) and water (35%) within 80 km.

3 km
83 m
16 km
153 m
80 km
281 m
treesgrasslandcroplandartificial surfaceswater
May weather nearby: Karlskrona 45 km · Kristianstad 47 km · Hässleholm 68 km · Växjö 79 km · Ljungby 93 km · Eslöv 104 km · Ystad 105 km · Kalmar 107 km

Sweden travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / F
230 V · 50 Hz
Prices
≈ 87% of US
price level, 2025
GDP per capita
$63,133
2025
Happiness
7.3 / 10
World Happiness, 2025
Safe drinking water
100%
of population, 2024
Homicide rate
1.1
per 100k, 2023
Road deaths
3.1
per 100k/yr, 2019
Income group
High
World Bank
English
Very high
EF EPI 609
Religion
Church of Sweden 54%none or unspecified 37%other 9%

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 Karlshamn (56.1706°, 14.8619°, elevation 14 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).