Borås weather in May

In May, Borås sees average daytime highs of 15°C and overnight lows near 5°C, with 71 mm of precipitation across 12.5 wet days and about 16.3 hours of daylight. It is the 4th-warmest and 7th-wettest month of the year here.

Highs climb over the month, from about 14°C in the first days to 17°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 15 h 12 min at the start of May to 17 h 12 min by month's end. Set against the rest of the year, May is Borås's 1st-clearest and 9th-windiest month. For the whole year in context, see Borås's year-round climate.

Daytime high
15°
4th warmest
Overnight low
8th coldest
Precipitation
71 mm
12.5 wet days
Daylight
16 h 18 min
3:55 AM – 8:14 PM
Cloud cover
63%
1st clearest
Wind
12 km/h
9th windiest
Solar energy
5.12 kWh/m²
Travel score
4.4
out of 10

Borås is urban area in Borås Municipality, Sweden.

Air quality
Good
PM10 16.6 µg/m³ · 2019
Founded
1621

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 14°C in the first days to 17°C by the end.

A typical May day in Borås reaches about 15°C in the afternoon and slips back to 5°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 23°C. Set against its neighbours, May runs about 5°C warmer than April and about 3°C cooler than June.

10°20°151015202531
Avg high (°C)Avg low (°C)
1134
2144
3144
4144
5144
6144
7144
8144
9144
10155
11155
12155
13155
14155
15155
16155
17156
18156
19166
20166
21166
22166
23167
24167
25177
26177
27177
28177
29177
30177
31178

How May really feels in Borås

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.

Borås weather by month

How May compares with the rest of the year at a glance. May is the 4th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -4°7012.17.670.0
Feb / -4°5610.47.78.90.0
Mar / -2°5010.65.611.40.2
Apr10° / 5310.21.6142.4
May15° / 7112.50.216.34.4
Jun18° / 9913.8017.65.3
Jul20° / 11°9413.6017.15.8
Aug19° / 11°106150155.4
Sep15° / 8312.6012.54.2
Oct10° / 8113.30.7101.9
Nov / 6311.92.67.60.2
Dec / -2°7512.76.66.40.0

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 21% 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 61%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13862
23961
33961
43961
54060
64060
74159
84159
94159
104159
114159
124060
134060
144060
154060
163961
173862
183763
193763
203763
213763
223664
233664
243763
253862
263961
273961
284060
294060
304159
314258

Chance of precipitation in May

Any precipitation

Borås gets around 71 mm of rain and snow over 12.5 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 40% and peaks near 43% on the wettest days, and about 0 day brings snow.

0%10%20%30%40%50%151015202531
Rain chance (%)
137
238
338
438
538
638
738
839
939
1040
1140
1241
1341
1441
1542
1642
1742
1843
1943
2043
2143
2242
2342
2442
2542
2641
2741
2840
2940
3040
3140

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 98% 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
14982
15982
16982
17982
18973
19973
20973
21973
22973
23973
24973
25973
26973
27973
28982
29982
30982
31982

Wind in May

Winds average 12 km/h in May.

Across May, daily wind ranges from about 12 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
112light breeze
212light breeze
312light breeze
412light breeze
512light breeze
612light breeze
712light breeze
812light breeze
912light breeze
1012light breeze
1112light breeze
1212light breeze
1312light breeze
1412light breeze
1512light breeze
1612light breeze
1712light breeze
1812light breeze
1912light breeze
2012light breeze
2112light breeze
2212light breeze
2312light breeze
2412light breeze
2512light breeze
2612light breeze
2712light breeze
2812light breeze
2912light breeze
3012light breeze
3112light breeze

Sunrise & sunset in May

DaylightNight

Daylight runs from about 15 h 12 min at the start of May to 17 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 120 minutes over May. Sunrise moves from 4:29 AM to 3:29 AM, and sunset from 7:42 PM to 8:42 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
115.24:297:42
215.34:267:44
315.44:247:47
415.54:217:49
515.54:197:51
615.64:177:53
715.74:147:55
815.84:127:57
915.84:108:00
1015.94:078:02
1116.04:058:04
1216.04:038:06
1316.14:018:08
1416.23:598:10
1516.33:578:12
1616.33:558:14
1716.43:538:16
1816.53:518:18
1916.53:498:20
2016.63:478:22
2116.73:458:24
2216.73:438:26
2316.83:428:28
2416.83:408:30
2516.93:388:32
2616.93:378:33
2717.03:358:35
2817.13:348:37
2917.13:328:39
3017.23:318:40
3117.23:298:42

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.12 kWh/m².

For context, solar energy here swings from a low near 0.25 kWh/m² to a high of 5.41 kWh/m² in June across the year — May's 5.12 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
14.7Bright
24.7Bright
34.8Bright
44.8Bright
54.8Bright
64.9Bright
74.9Bright
84.9Bright
95.0Bright
105.0Bright
115.0Bright
125.0Bright
135.0Bright
145.1Bright
155.1Bright
165.1Bright
175.1Bright
185.1Bright
195.2Bright
205.2Bright
215.2Bright
225.2Bright
235.2Bright
245.3Bright
255.3Bright
265.3Bright
275.4Bright
285.4Bright
295.4Bright
305.5Bright
315.5Bright
Planning a trip in May

Is May a good time to visit Borås?

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

4.4
Sightseeing
4th-best month of the year
0.4
Beach & pool
5th-best month of the year

May is a reasonable time to visit Borås for sightseeing.

What to pack for Borås in May

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

In May, Borås sees daytime highs around 15°C and nights near 5°C. Worth packing: a warm layer, rain gear and sun protection. About 13 days see rain.

a warm layerrain gearsun protection

Sea temperature near Borås in May

The nearest coast averages about 11°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 62 km away) is warmest in August at about 18°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°10°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshing
Sea temperature (°C)Comfort
Jan3Bracing
Feb2Bracing
Mar3Bracing
Apr6Bracing
May11Bracing
Jun15Cool
Jul18Cool
Aug18Cool
Sep16Cool
Oct12Bracing
Nov8Bracing
Dec5Bracing

UV index in Borås 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 Borås peaks around June 18 at about 5 (moderate) — 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateLowJun 18UV 5Dec 20UV 0
UV index (midday)Level
Jan0Low
Feb1Low
Mar2Low
Apr3Moderate
May5Moderate
Jun5Moderate
Jul5Moderate
Aug5Moderate
Sep3Moderate
Oct1Low
Nov1Low
Dec0Low
Location & terrain

Where is Borås?

Borås sits at 57.7°N, 12.9°E, 143 m above sea level, in Sweden. The nearest listed city is Kinna, 28 km away.

Topography around Borås

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

Within 3 km, the terrain around Borås has only modest variations in elevation — a maximum elevation change of 159 m around an average of 177 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 270 m; within 80 km, significant variations in elevation — a maximum elevation change of 373 m.

The land around Borås is covered by trees (63%) and artificial surfaces (28%) within 3 km, trees (79%) within 16 km, and trees (66%) within 80 km.

3 km
159 m
16 km
270 m
80 km
373 m
treesgrasslandcroplandartificial surfaceswater
May weather nearby: Kinna 28 km · Alingsås 33 km · Lerum 40 km · Mölnlycke 49 km · Partille 50 km · Mölndal 56 km · Kungsbacka 58 km · Gothenburg 58 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 Borås (57.721°, 12.9401°, elevation 143 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).