Katrineholm weather in May

In May, Katrineholm sees average daytime highs of 15°C and overnight lows near 6°C, with 51 mm of precipitation across 10 wet days and about 16.5 hours of daylight. It is the 5th-warmest and 6th-wettest month of the year here.

Highs climb over the month, from about 13°C in the first days to 17°C by the end. The sky is clear or mostly clear about 23% of the time in May, and the air most often feels dry.

Daylight stretches from about 15 h 24 min at the start of May to 17 h 30 min by month's end. Set against the rest of the year, May is Katrineholm's 1st-clearest and 9th-windiest month. For the whole year in context, see Katrineholm's year-round climate.

Daytime high
15°
5th warmest
Overnight low
8th coldest
Precipitation
51 mm
10 wet days
Daylight
16 h 36 min
3:34 AM – 8:09 PM
Cloud cover
63%
1st clearest
Wind
11 km/h
9th windiest
Solar energy
5.23 kWh/m²
Travel score
4.7
out of 10

Katrineholm is urban area in Katrineholm Municipality, Sweden.

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 13°C in the first days to 17°C by the end.

A typical May day in Katrineholm reaches about 15°C in the afternoon and slips back to 6°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 10°C and 22°C. Set against its neighbours, May runs about 5°C warmer than April and about 4°C cooler than June.

10°20°151015202531
Avg high (°C)Avg low (°C)
1134
2134
3134
4134
5144
6144
7144
8145
9145
10145
11155
12155
13155
14156
15156
16156
17166
18166
19166
20167
21167
22167
23167
24177
25177
26177
27178
28178
29178
30188
31188

How May really feels in Katrineholm

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.

Katrineholm weather by month

How May compares with the rest of the year at a glance. May is the 5th-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -4°378.35.66.70.0
Feb / -5°317.55.88.80.0
Mar / -2°307.64.711.40.2
Apr10° / 367.81.414.12.3
May15° / 51100.216.54.7
Jun19° / 10°6811.60185.7
Jul22° / 13°7412.2017.46.1
Aug21° / 12°7012.3015.26.0
Sep16° / 539.3012.64.8
Oct10° / 5210.10.49.92.1
Nov / 489.937.40.2
Dec / -3°4510.25.760.0

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 23% 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 58%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14159
24159
34159
44258
54258
64258
74258
84258
94258
104456
114357
124357
134258
144456
154357
164258
174159
184159
194159
204060
214060
223961
233961
244159
254159
264258
274159
284258
294258
304357
314456

Chance of precipitation in May

Any precipitationSnow

Katrineholm gets around 51 mm of rain and snow over 10 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 32% and peaks near 34% on the wettest days, and about 0 day brings snow.

0%10%20%30%40%151015202531
Rain chance (%)Snow chance (%)
1302
2301
3301
4301
5311
6311
7311
8311
9311
10311
11301
12311
13311
14311
15311
16311
17321
18321
19330
20330
21330
22340
23340
24340
25340
26330
27330
28330
29330
30330
31330

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
11991
12991
13991
14991
15991
16982
17982
18982
19982
20982
21982
22982
23982
24982
25982
26982
27982
28982
29982
30982
31982

Wind in May

Winds average 11 km/h in May.

Across May, daily wind ranges from about 11 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm
3111calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 15 h 24 min at the start of May to 17 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 126 minutes over May. Sunrise moves from 4:10 AM to 3:07 AM, and sunset from 7:34 PM to 8:38 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
115.44:107:34
215.54:087:37
315.64:057:39
415.64:037:41
515.74:007:44
615.83:587:46
715.93:557:48
816.03:537:51
916.03:507:53
1016.13:487:55
1116.23:457:58
1216.33:438:00
1316.43:418:02
1416.43:398:04
1516.53:368:07
1616.63:348:09
1716.63:328:11
1816.73:308:13
1916.83:288:15
2016.93:268:17
2116.93:248:19
2217.03:228:21
2317.13:208:24
2417.13:188:26
2517.23:168:27
2617.23:158:29
2717.33:138:31
2817.43:118:33
2917.43:108:35
3017.53:088:37
3117.53:078:38

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.23 kWh/m².

For context, solar energy here swings from a low near 0.22 kWh/m² to a high of 5.54 kWh/m² in June across the year — May's 5.23 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
14.7Bright
24.7Bright
34.8Bright
44.8Bright
54.9Bright
64.9Bright
75.0Bright
85.0Bright
95.1Bright
105.1Bright
115.1Bright
125.2Bright
135.2Bright
145.2Bright
155.3Bright
165.3Bright
175.3Bright
185.3Bright
195.3Bright
205.4Bright
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 Katrineholm?

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

4.7
Sightseeing
5th-best month of the year
0.5
Beach & pool
5th-best month of the year

May is a reasonable time to visit Katrineholm for sightseeing.

What to pack for Katrineholm in May

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

In May, Katrineholm sees daytime highs around 15°C and nights near 6°C. Worth packing: a warm layer, rain gear and sun protection. About 10 days see rain.

a warm layerrain gearsun protection

Sea temperature near Katrineholm in May

The nearest coast averages about 7°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 67 km away) is warmest in August at about 17°C and coldest in February near 2°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
Jan3Bracing
Feb2Bracing
Mar2Bracing
Apr4Bracing
May7Bracing
Jun13Bracing
Jul17Cool
Aug17Cool
Sep14Bracing
Oct10Bracing
Nov7Bracing
Dec5Bracing

UV index in Katrineholm 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 Katrineholm peaks around June 16 at about 5 (high) — a little sun protection helps at midday. It bottoms out near December 19 at about 0 (low).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateModerateLowJun 16UV 5Dec 19UV 0
UV index (midday)Level
Jan0Low
Feb1Low
Mar2Low
Apr3Moderate
May4Moderate
Jun5High
Jul4Moderate
Aug4Moderate
Sep3Moderate
Oct1Low
Nov0Low
Dec0Low
Location & terrain

Where is Katrineholm?

Katrineholm sits at 59.0°N, 16.2°E, 51 m above sea level, in Sweden. The nearest listed city is Eskilstuna, 45 km away.

Topography around Katrineholm

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

Within 3 km, the terrain around Katrineholm has only modest variations in elevation — a maximum elevation change of 58 m around an average of 48 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 84 m; within 80 km, significant variations in elevation — a maximum elevation change of 282 m.

The land around Katrineholm is covered by trees (44%) within 3 km, trees (62%) within 16 km, and trees (58%) within 80 km.

3 km
58 m
16 km
84 m
80 km
282 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
May weather nearby: Eskilstuna 45 km · Norrköping 45 km · Nyköping 53 km · Köping 59 km · Kumla 63 km · Örebro 65 km · Västerås 72 km · Linköping 73 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 Katrineholm (58.9959°, 16.2072°, elevation 51 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).