Visby weather in August

In August, Visby sees average daytime highs of 20°C and overnight lows near 15°C, with 59 mm of rain across 10.7 wet days and about 15 hours of daylight. It is the 2nd-warmest and 1st-wettest month of the year here.

Highs ease over the month, from about 21°C in the first days to 18°C by the end. The sky is clear or mostly clear about 30% of the time in August, and the air most often feels dry.

Daylight stretches from about 16 h 12 min at the start of August to 13 h 48 min by month's end. Set against the rest of the year, August is Visby's 5th-clearest and 9th-windiest month. For the whole year in context, see Visby's year-round climate.

Daytime high
20°
2nd warmest
Overnight low
15°
12th coldest
Rainfall
59 mm
10.7 wet days
Daylight
15 h 06 min
4:19 AM – 7:23 PM
Cloud cover
57%
5th clearest
Wind
17 km/h
9th windiest
Solar energy
4.74 kWh/m²
Travel score
6.2
out of 10

Visby is urban area in Gotland Municipality, Sweden.

Air quality
Good
PM2.5 8.5 µg/m³ · 2010
Founded
1645

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 21°C in the first days to 18°C by the end.

A typical August day in Visby reaches about 20°C in the afternoon and slips back to 15°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 17°C and 23°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)
12116
22116
32116
42116
52116
62116
72116
82116
92116
102115
112015
122015
132015
142015
152015
162015
172015
182015
192015
202015
211915
221915
231915
241914
251914
261914
271914
281914
291814
301814
311814

How August really feels in Visby

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.

Visby weather by month

How August compares with the rest of the year at a glance. August is the 2nd-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -0°399.96.170.0
Feb / -1°348.8690.0
Mar / 297.93.411.40.0
Apr / 296.91.2141.2
May12° / 346.90.116.33.7
Jun17° / 11°468.7017.65.6
Jul20° / 15°588.7017.16.6
Aug20° / 15°5910.70156.2
Sep16° / 12°499.8012.54.9
Oct11° / 5411.30.1102.4
Nov / 5512.31.67.70.6
Dec / 4912.24.36.40.0

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 30% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 22% of August, with mostly cloudy or overcast conditions the remaining 49%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15743
25743
35743
45743
55743
65743
75644
85644
95644
105545
115446
125446
135248
145248
155149
165050
175050
185050
194852
204852
214852
224852
234753
244753
254753
264654
274753
284753
294753
304753
314852

Chance of precipitation in August

Any precipitation

Visby gets around 59 mm of rain over 10.7 wet days in August, the wettest month. 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 41% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)
131
231
331
431
531
631
731
831
931
1031
1131
1231
1331
1431
1532
1632
1733
1833
1934
2035
2136
2237
2337
2438
2539
2640
2740
2840
2941
3041
3140

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the dry band about 42% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
13044215
23044214
33144214
43143214
53243204
63343204
73443193
83543193
93544183
103644182
113744172
123844172
133844161
143944161
154044151
164044151
174144141
184244141
194243141
204343130
214442130
224542130
234741120
244840120
255039110
265138110
275337100
28563590
29573490
30593380
31613270

Wind in August

Winds average 17 km/h in August.

Across August, daily wind ranges from about 15 km/h on the calmest days to 18 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202531
Wind speed (km/h)Feels
115light breeze
215light breeze
316light breeze
416light breeze
516light breeze
616light breeze
716light breeze
816light breeze
916light breeze
1016light breeze
1116light breeze
1216light breeze
1317light breeze
1417light breeze
1517light breeze
1617light breeze
1717light breeze
1817light breeze
1917light breeze
2017light breeze
2117light breeze
2217light breeze
2317light breeze
2417light breeze
2518light breeze
2618light breeze
2718light breeze
2818light breeze
2918light breeze
3018light breeze
3118light breeze

Sunrise & sunset in August

DaylightNight

Daylight runs from about 16 h 12 min at the start of August to 13 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 144 minutes over August. Sunrise moves from 3:48 AM to 4:52 AM, and sunset from 7:58 PM to 6:42 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
116.23:487:58
216.13:507:56
316.03:527:54
416.03:547:52
515.93:567:49
615.83:587:47
715.74:007:45
815.74:027:42
915.64:047:40
1015.54:067:38
1115.44:097:35
1215.44:117:33
1315.34:137:30
1415.24:157:28
1515.14:177:25
1615.14:197:23
1715.04:217:20
1814.94:247:17
1914.84:267:15
2014.74:287:12
2114.74:307:09
2214.64:327:07
2314.54:347:04
2414.44:377:01
2514.34:396:59
2614.24:416:56
2714.24:436:53
2814.14:456:50
2914.04:476:48
3013.94:506:45
3113.84:526:42

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 4.74 kWh/m².

For context, solar energy here swings from a low near 0.28 kWh/m² to a high of 6.45 kWh/m² in June across the year — August's 4.74 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.5Bright
25.5Bright
35.4Bright
45.4Bright
55.3Bright
65.3Bright
75.2Bright
85.2Bright
95.1Bright
105.1Bright
115.0Bright
125.0Bright
134.9Bright
144.9Bright
154.8Bright
164.8Bright
174.7Bright
184.6Bright
194.6Bright
204.5Bright
214.5Bright
224.4Bright
234.3Bright
244.3Bright
254.2Bright
264.2Bright
274.1Bright
284.0Bright
294.0Moderate
303.9Moderate
313.9Moderate
Planning a trip in August

Is August a good time to visit Visby?

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

6.2
Sightseeing
2nd-best month of the year
3.2
Beach & pool
2nd-best month of the year

August is a reasonable time to visit Visby for sightseeing.

What to pack for Visby in August

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

In August, Visby sees daytime highs around 20°C and nights near 15°C. Worth packing: rain gear and sun protection. About 11 days see rain.

rain gearsun protection

Sea temperature near Visby in August

The nearest coast averages about 18°C in August — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in August at about 18°C and coldest in March near 3°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
Jan4Bracing
Feb3Bracing
Mar3Bracing
Apr4Bracing
May7Bracing
Jun12Bracing
Jul17Cool
Aug18Cool
Sep15Bracing
Oct11Bracing
Nov8Bracing
Dec5Bracing

UV index in Visby in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August 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 Visby peaks around June 18 at about 5 (high) — 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 5 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowJun 18UV 5Dec 20UV 0
UV index (midday)Level
Jan0Low
Feb1Low
Mar2Low
Apr3Moderate
May4Moderate
Jun6High
Jul5Moderate
Aug5Moderate
Sep3Moderate
Oct1Low
Nov1Low
Dec0Low
Location & terrain

Where is Visby?

Visby sits at 57.6°N, 18.3°E, 22 m above sea level, in Sweden. The nearest listed city is Västervik, 99 km away.

VästervikOskarshamnNyköpingKalmarNorrköpingHaningeTullingeTumba

Topography around Visby

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

Within 3 km, the terrain around Visby has only modest variations in elevation — a maximum elevation change of 79 m around an average of 26 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 87 m; within 80 km, only modest variations in elevation — a maximum elevation change of 138 m.

The land around Visby is covered by water (43%) and artificial surfaces (20%) within 3 km, water (45%) and trees (26%) within 16 km, and water (76%) within 80 km.

3 km
79 m
16 km
87 m
80 km
138 m
treesgrasslandcroplandartificial surfaceswater
August weather nearby: Västervik 99 km · Oskarshamn 118 km · Nyköping 145 km · Kalmar 160 km · Norrköping 163 km · Haninge 170 km · Tullinge 175 km · Tumba 175 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 Visby (57.6409°, 18.296°, elevation 22 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).