Bromma weather in May

In May, Bromma sees average daytime highs of 14°C and overnight lows near 5°C, with 42 mm of precipitation across 9.1 wet days and about 16.6 hours of daylight. It is the 5th-warmest and 8th-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 27% 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 Bromma's 1st-clearest and 9th-windiest month. For the whole year in context, see Bromma's year-round climate.

Daytime high
14°
5th warmest
Overnight low
8th coldest
Precipitation
42 mm
9.1 wet days
Daylight
16 h 36 min
3:25 AM – 8:04 PM
Cloud cover
60%
1st clearest
Wind
12 km/h
9th windiest
Solar energy
5.53 kWh/m²
Travel score
4.3
out of 10

Bromma is city district in Stockholm, Sweden.

Density
2,927/km²
people per km²
Founded
1997

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 Bromma reaches about 14°C in the afternoon and slips back to 5°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 9°C and 19°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)
1123
2123
3124
4124
5124
6134
7134
8134
9134
10135
11135
12145
13145
14145
15145
16145
17146
18156
19156
20156
21156
22156
23157
24157
25167
26167
27167
28167
29168
30168
31178

How May really feels in Bromma

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.

Bromma weather by month

How May compares with the rest of the year at a glance. May is the 5th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -4°378.15.56.60.0
Feb / -4°307.66.38.70.0
Mar / -2°307.84.711.30.1
Apr / 337.91.514.11.9
May14° / 429.10.116.64.3
Jun18° / 10°6310.8018.15.7
Jul21° / 13°6610.8017.56.3
Aug20° / 12°6811.8015.36.0
Sep16° / 508.6012.64.9
Oct10° / 489.40.29.82.2
Nov / 4710.22.87.30.2
Dec / -2°4510.25.45.90.0

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 27% 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 55%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14555
24555
34555
44555
54654
64654
74753
84654
94654
104654
114654
124852
134753
144753
154753
164753
174654
184555
194555
204555
214456
224357
234357
244357
254456
264456
274456
284456
294555
304456
314456

Chance of precipitation in May

Any precipitation

Bromma gets around 42 mm of rain and snow over 9.1 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 29% and peaks near 30% on the wettest days, and about 0 day brings snow.

0%10%20%30%40%151015202531
Rain chance (%)
129
229
329
429
529
628
728
828
928
1028
1128
1227
1327
1427
1528
1628
1728
1829
1929
2030
2130
2230
2330
2430
2530
2630
2730
2830
2930
3030
3130

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
141000
15991
16991
17991
18991
19991
20991
21991
22991
23991
24991
25991
26991
27991
28991
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 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 4:02 AM to 2:57 AM, and sunset from 7:29 PM to 8:34 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
115.44:027:29
215.53:597:31
315.63:577:34
415.73:547:36
515.83:517:38
615.93:497:41
715.93:467:43
816.03:447:46
916.13:417:48
1016.23:397:50
1116.33:377:53
1216.33:347:55
1316.43:327:57
1416.53:307:59
1516.63:278:02
1616.63:258:04
1716.73:238:06
1816.83:218:08
1916.93:198:11
2016.93:168:13
2117.03:148:15
2217.13:128:17
2317.13:118:19
2417.23:098:21
2517.33:078:23
2617.33:058:25
2717.43:038:27
2817.53:028:29
2917.53:008:31
3017.62:588:33
3117.62:578:34

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.53 kWh/m².

For context, solar energy here swings from a low near 0.21 kWh/m² to a high of 5.87 kWh/m² in June across the year — May's 5.53 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.0Bright
25.0Bright
35.1Bright
45.1Bright
55.2Bright
65.2Bright
75.3Bright
85.3Bright
95.3Bright
105.4Bright
115.4Bright
125.5Bright
135.5Bright
145.5Bright
155.6Bright
165.6Bright
175.6Bright
185.6Bright
195.7Bright
205.7Bright
215.7Bright
225.7Bright
235.7Bright
245.8Bright
255.8Bright
265.8Bright
275.8Bright
285.8Bright
295.9Bright
305.9Bright
315.9Bright
Planning a trip in May

Is May a good time to visit Bromma?

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

4.3
Sightseeing
5th-best month of the year
0.2
Beach & pool
5th-best month of the year

May is a reasonable time to visit Bromma for sightseeing.

What to pack for Bromma in May

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

In May, Bromma sees daytime highs around 14°C and nights near 5°C. Worth packing: a warm layer, rain gear and sun protection. About 9 days see rain.

a warm layerrain gearsun protection

Sea temperature near Bromma 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 34 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 Bromma 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 Bromma 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 Bromma?

Bromma sits at 59.3°N, 17.9°E, 11 m above sea level, in Sweden. The nearest listed city is Sundbyberg, 3.0 km away.

Topography around Bromma

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

Within 3 km, the terrain around Bromma has only modest variations in elevation — a maximum elevation change of 51 m around an average of 18 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 100 m; within 80 km, only modest variations in elevation — a maximum elevation change of 132 m.

The land around Bromma is covered by trees (53%) and artificial surfaces (25%) within 3 km, trees (51%) within 16 km, and trees (44%) and water (37%) within 80 km.

3 km
51 m
16 km
100 m
80 km
132 m
treesgrasslandcroplandartificial surfaceswater
May weather nearby: Sundbyberg 3.0 km · Solna 4.0 km · Råsunda 4.0 km · Rinkeby 5.0 km · Vasastaden 5.0 km · Kungsholmen 6.0 km · Tensta 6.0 km · Stockholm 7.0 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 Bromma (59.34°, 17.94°, elevation 11 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).