Gustavsberg weather in May

In May, Gustavsberg sees average daytime highs of 10°C and overnight lows near 7°C, with 36 mm of precipitation across 7.7 wet days and about 16.6 hours of daylight. It is the 5th-warmest and 9th-wettest month of the year here.

Highs climb over the month, from about 7°C in the first days to 12°C by the end. The sky is clear or mostly clear about 33% 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 36 min by month's end. Set against the rest of the year, May is Gustavsberg's 2nd-clearest and 10th-windiest month. For the whole year in context, see Gustavsberg's year-round climate.

Daytime high
10°
5th warmest
Overnight low
7th coldest
Precipitation
36 mm
7.7 wet days
Daylight
16 h 36 min
3:23 AM – 8:02 PM
Cloud cover
56%
2nd clearest
Wind
18 km/h
10th windiest
Solar energy
5.7 kWh/m²
Travel score
2.2
out of 10

Gustavsberg is urban area in Värmdö Municipality, Sweden.

Density
8,656/km²
people per km²

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 7°C in the first days to 12°C by the end.

A typical May day in Gustavsberg reaches about 10°C in the afternoon and slips back to 7°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between 7°C and 12°C. Set against its neighbours, May runs about 4°C warmer than April and about 5°C cooler than June.

10°15°20°151015202531
Avg high (°C)Avg low (°C)
175
275
375
485
585
685
786
886
986
1096
1196
1296
1396
1497
1597
1697
17107
18107
19107
20108
21108
22108
23118
24118
25118
26119
27119
28129
29129
30129
31129

How May really feels in Gustavsberg

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.

Gustavsberg 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°449.96.66.60.0
Feb / -2°348.76.88.70.0
Mar / -1°3184.511.30.0
Apr / 327.21.714.10.3
May10° / 367.70.116.62.2
Jun14° / 12°579.1018.14.3
Jul18° / 15°568.9017.56.0
Aug18° / 16°6110.7015.35.8
Sep14° / 12°549.1012.64.3
Oct / 6311.70.29.81.9
Nov / 6412.42.57.30.3
Dec / 5812.75.35.90.0

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 33% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 19% of May, with mostly cloudy or overcast conditions the remaining 49%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14951
25050
35050
45149
55149
65248
75248
85347
95347
105347
115347
125347
135347
145347
155347
165347
175347
185149
195149
205149
215050
225050
235050
244951
255050
265050
275149
285050
295050
305149
315149

Chance of precipitation in May

Any precipitation

Gustavsberg gets around 36 mm of rain and snow over 7.7 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 24% and peaks near 25% on the wettest days, and about 0 day brings snow.

0%10%20%30%40%151015202531
Rain chance (%)
125
225
325
425
525
625
725
825
925
1025
1125
1224
1324
1424
1524
1624
1724
1824
1924
2024
2124
2224
2324
2424
2524
2624
2723
2823
2923
3023
3123

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 18 km/h in May.

Across May, daily wind ranges from about 18 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
618light breeze
718light breeze
818light breeze
918light breeze
1018light breeze
1118light breeze
1218light breeze
1318light breeze
1418light breeze
1518light breeze
1618light breeze
1718light breeze
1818light breeze
1918light breeze
2018light breeze
2118light breeze
2218light breeze
2318light breeze
2418light breeze
2518light breeze
2618light breeze
2718light breeze
2818light breeze
2918light breeze
3018light breeze
3118light breeze

Sunrise & sunset in May

DaylightNight

Daylight runs from about 15 h 24 min at the start of May to 17 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 132 minutes over May. Sunrise moves from 4:00 AM to 2:55 AM, and sunset from 7:27 PM to 8:32 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
115.44:007:27
215.53:587:29
315.63:557:32
415.73:527:34
515.83:507:37
615.93:477:39
715.93:457:41
816.03:427:44
916.13:407:46
1016.23:377:48
1116.33:357:51
1216.33:327:53
1316.43:307:55
1416.53:287:58
1516.63:268:00
1616.63:238:02
1716.73:218:04
1816.83:198:07
1916.93:178:09
2016.93:158:11
2117.03:138:13
2217.13:118:15
2317.13:098:17
2417.23:078:19
2517.33:058:21
2617.33:038:23
2717.43:028:25
2817.53:008:27
2917.52:588:29
3017.62:578:31
3117.62:558:32

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.7 kWh/m².

For context, solar energy here swings from a low near 0.21 kWh/m² to a high of 6.09 kWh/m² in June across the year — May's 5.7 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.1Bright
25.1Bright
35.2Bright
45.3Bright
55.3Bright
65.4Bright
75.4Bright
85.5Bright
95.5Bright
105.5Bright
115.6Bright
125.6Bright
135.7Bright
145.7Bright
155.7Bright
165.8Bright
175.8Bright
185.8Bright
195.8Bright
205.9Bright
215.9Bright
225.9Bright
235.9Bright
246.0Bright
256.0Bright
266.0Bright
276.0Intense
286.0Intense
296.0Intense
306.1Intense
316.1Intense
Planning a trip in May

Is May a good time to visit Gustavsberg?

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

2.2
Sightseeing
5th-best month of the year
0.0
Beach & pool
5th-best month of the year

May is a weaker month for outdoor sightseeing in Gustavsberg.

What to pack for Gustavsberg in May

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

In May, Gustavsberg sees daytime highs around 10°C and nights near 7°C. Pack a warm layer. Worth having: sun protection. About 8 days see rain.

a warm layersun protection

Sea temperature near Gustavsberg 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 22 km away) is warmest in August at about 17°C and coldest in March 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
Apr3Bracing
May7Bracing
Jun12Bracing
Jul16Cool
Aug17Cool
Sep14Bracing
Oct10Bracing
Nov7Bracing
Dec5Bracing

UV index in Gustavsberg 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 Gustavsberg peaks around June 17 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 17UV 5Dec 19UV 0
UV index (midday)Level
Jan0Low
Feb1Low
Mar2Low
Apr3Moderate
May4Moderate
Jun5High
Jul5Moderate
Aug4Moderate
Sep3Moderate
Oct1Low
Nov0Low
Dec0Low
Location & terrain

Where is Gustavsberg?

Gustavsberg sits at 59.3°N, 18.4°E, 7 m above sea level, in Sweden. The nearest listed city is Boo, 6.0 km away.

Topography around Gustavsberg

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

Within 3 km, the terrain around Gustavsberg has only modest variations in elevation — a maximum elevation change of 63 m around an average of 23 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 84 m; within 80 km, only modest variations in elevation — a maximum elevation change of 109 m.

The land around Gustavsberg is covered by trees (69%) within 3 km, trees (53%) and water (37%) within 16 km, and water (49%) and trees (38%) within 80 km.

3 km
63 m
16 km
84 m
80 km
109 m
treesgrasslandcroplandartificial surfaceswater
May weather nearby: Boo 6.0 km · Nacka 13 km · Lidingö 15 km · Östermalm 17 km · Åkersberga 18 km · Södermalm 18 km · Stockholm 18 km · Årsta 19 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 Gustavsberg (59.3268°, 18.3897°, elevation 7 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).