Gustavsberg weather in August

In August, Gustavsberg sees average daytime highs of 18°C and overnight lows near 16°C, with 61 mm of rain across 10.7 wet days and about 15.3 hours of daylight. It is the 1st-warmest and 3rd-wettest month of the year here.

Highs ease over the month, from about 19°C in the first days to 17°C by the end. The sky is clear or mostly clear about 27% of the time in August, and the air most often feels comfortable.

Daylight stretches from about 16 h 30 min at the start of August to 14 hours by month's end. Set against the rest of the year, August is Gustavsberg's 4th-clearest and 9th-windiest month. For the whole year in context, see Gustavsberg's year-round climate.

Daytime high
18°
1st warmest
Overnight low
16°
12th coldest
Rainfall
61 mm
10.7 wet days
Daylight
15 h 18 min
4:12 AM – 7:29 PM
Cloud cover
59%
4th clearest
Wind
18 km/h
9th windiest
Solar energy
4.51 kWh/m²
Travel score
5.8
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 August

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 19°C in the first days to 17°C by the end.

A typical August day in Gustavsberg reaches about 18°C in the afternoon and slips back to 16°C overnight — a 2°C spread between the day's warmth and the night's chill. On most days the high lands between 16°C and 21°C. Set against its neighbours, August runs on par with July and about 4°C warmer than September.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
11916
21916
31916
41916
51916
61916
71916
81916
91916
101916
111916
121916
131816
141816
151816
161816
171816
181816
191816
201815
211815
221815
231815
241715
251715
261715
271715
281715
291714
301714
311714

How August really feels in Gustavsberg

Once humidity and wind are folded in, August 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

August 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 August compares with the rest of the year at a glance. August is the 1st-warmest and 3rd-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 August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 27% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 21% of August, with mostly cloudy or overcast conditions the remaining 53%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15644
25644
35545
45545
55446
65446
75248
85149
95149
105050
114951
124852
134753
144654
154654
164555
174555
184456
194555
204456
214456
224456
234357
244357
254357
264357
274357
284357
294357
304456
314456

Chance of precipitation in August

Any precipitation

Gustavsberg gets around 61 mm of rain over 10.7 wet days in August. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 34% and peaks near 37% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)
129
230
330
430
531
631
731
832
932
1032
1133
1233
1333
1433
1534
1634
1734
1835
1935
2036
2136
2236
2337
2437
2537
2637
2737
2837
2937
3036
3136

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

Most of August feels comfortable — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, August lands in the comfortable band about 40% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
125432471
225432471
326432461
426432461
527432461
628432451
728432351
829432340
930432340
1031432340
1132432230
1233422230
1334422230
1435422120
1536412120
1637412020
1738401920
1839401920
1941391820
2042391820
2143381720
2245381620
2346371510
2448371410
2549361310
2651361210
2753351110
2855341010
295634910
305833810
315933710

Wind in August

Winds average 18 km/h in August.

Across August, daily wind ranges from about 17 km/h on the calmest days to 20 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202531
Wind speed (km/h)Feels
117light breeze
217light breeze
317light breeze
417light breeze
517light breeze
617light breeze
717light breeze
817light breeze
917light breeze
1017light breeze
1117light breeze
1218light breeze
1318light breeze
1418light breeze
1518light breeze
1618light breeze
1718light breeze
1818light breeze
1918light breeze
2018light breeze
2118light breeze
2219light breeze
2319light breeze
2419light breeze
2519light breeze
2619light breeze
2719light breeze
2819light breeze
2919light breeze
3020light breeze
3120light breeze

Sunrise & sunset in August

DaylightNight

Daylight runs from about 16 h 30 min at the start of August to 14 hours by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 150 minutes over August. Sunrise moves from 3:38 AM to 4:48 AM, and sunset from 8:07 PM to 6:45 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
116.53:388:07
216.43:408:05
316.33:428:03
416.33:448:00
516.23:477:58
616.13:497:55
716.03:517:53
815.93:547:50
915.93:567:48
1015.83:587:45
1115.74:007:42
1215.64:037:40
1315.54:057:37
1415.44:087:34
1515.44:107:32
1615.34:127:29
1715.24:157:26
1815.14:177:23
1915.04:197:20
2014.94:227:18
2114.84:247:15
2214.84:267:12
2314.74:297:09
2414.64:317:06
2514.54:337:03
2614.44:367:00
2714.34:386:57
2814.24:416:54
2914.14:436:51
3014.14:456:48
3114.04:486:45

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 4.51 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 — August's 4.51 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.3Bright
25.2Bright
35.2Bright
45.1Bright
55.1Bright
65.0Bright
75.0Bright
84.9Bright
94.9Bright
104.8Bright
114.8Bright
124.7Bright
134.7Bright
144.6Bright
154.5Bright
164.5Bright
174.4Bright
184.4Bright
194.3Bright
204.3Bright
214.2Bright
224.2Bright
234.1Bright
244.1Bright
254.0Bright
264.0Moderate
273.9Moderate
283.8Moderate
293.8Moderate
303.7Moderate
313.7Moderate
Planning a trip in August

Is August a good time to visit Gustavsberg?

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

5.8
Sightseeing
2nd-best month of the year
2.0
Beach & pool
1st-best month of the year

August is a reasonable time to visit Gustavsberg for sightseeing.

What to pack for Gustavsberg in August

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

In August, Gustavsberg sees daytime highs around 18°C and nights near 16°C. Worth packing: rain gear and sun protection. About 11 days see rain.

rain gearsun protection

Sea temperature near Gustavsberg in August

The nearest coast averages about 17°C in August — 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 August

LowModerateHighVery highExtreme

Clear-sky midday UV in August 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
August 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).