Salo weather in August

In August, Salo sees average daytime highs of 20°C and overnight lows near 11°C, with 73 mm of rain across 11.8 wet days and about 15.4 hours of daylight. It is the 2nd-warmest and 2nd-wettest month of the year here.

Highs ease over the month, from about 22°C in the first days to 18°C by the end. The sky is clear or mostly clear about 19% of the time in August, and the air most often feels dry.

Daylight stretches from about 16 h 42 min at the start of August to 14 h 06 min by month's end. Set against the rest of the year, August is Salo's 4th-clearest and 12th-windiest month. For the whole year in context, see Salo's year-round climate.

Daytime high
20°
2nd warmest
Overnight low
11°
11th coldest
Rainfall
73 mm
11.8 wet days
Daylight
15 h 24 min
4:49 AM – 8:14 PM
Cloud cover
65%
4th clearest
Wind
11 km/h
12th windiest
Solar energy
4.06 kWh/m²
Travel score
6.0
out of 10

Salo is urban area in Salo, Finland.

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 22°C in the first days to 18°C by the end.

A typical August day in Salo reaches about 20°C in the afternoon and slips back to 11°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 16°C and 25°C. Set against its neighbours, August runs about 1°C cooler than July and about 5°C warmer than September.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12212
22212
32212
42212
52212
62112
72112
82112
92112
102112
112112
122111
132111
142011
152011
162011
172011
182011
192011
202011
211911
221910
231910
241910
251910
261910
271810
281810
291810
30189
31189

How August really feels in Salo

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.

Salo weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-2° / -7°4910.39.56.30.0
Feb-2° / -8°388.58.28.60.0
Mar / -5°368.26.611.30.0
Apr / -1°348.82.614.21.5
May15° / 439.10.116.84.5
Jun19° / 6911.2018.45.8
Jul21° / 12°7511.9017.86.2
Aug20° / 11°7311.8015.46.0
Sep15° / 519.3012.64.3
Oct / 5710.40.79.71.4
Nov / -1°5210.84.37.10.0
Dec-0° / -4°5511.68.25.50.0

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 19% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 19% of August, with mostly cloudy or overcast conditions the remaining 61%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14456
24357
34357
44258
54258
64159
74159
84159
94159
104060
114060
124159
134060
144060
154159
164159
174060
183961
193961
203961
213763
223763
233763
243565
253565
263466
273466
283367
293367
303169
313169

Chance of precipitation in August

Any precipitation

Salo gets around 73 mm of rain over 11.8 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 38% and peaks near 40% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
136
237
337
437
537
637
738
838
938
1039
1139
1239
1339
1440
1540
1640
1740
1840
1940
2040
2139
2239
2339
2438
2538
2637
2737
2837
2936
3036
3136

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 63% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
15135122
25334112
35434111
45434111
55434111
65534101
75633101
85633101
9573391
10583390
11603280
12603280
13603280
14623170
15623170
16633070
17643060
18643060
19652960
20662950
21662950
22672850
23692740
24692740
25702640
26722530
27732430
28742330
29752230
30772120
31782020

Wind in August

Winds average 11 km/h in August, the calmest month.

Across August, daily wind ranges from about 11 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
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2812calm
2912calm
3012calm
3112calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 16 h 42 min at the start of August to 14 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 156 minutes over August. Sunrise moves from 4:12 AM to 5:26 AM, and sunset from 8:55 PM to 7:29 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
116.74:128:55
216.64:148:53
316.64:178:50
416.54:198:48
516.44:228:45
616.34:248:42
716.24:268:40
816.14:298:37
916.04:318:34
1016.04:348:31
1115.94:368:29
1215.84:398:26
1315.74:418:23
1415.64:448:20
1515.54:468:17
1615.44:498:14
1715.34:518:12
1815.24:548:09
1915.24:568:06
2015.14:598:03
2115.05:018:00
2214.95:047:57
2314.85:067:54
2414.75:097:51
2514.65:117:48
2614.55:147:45
2714.45:167:41
2814.35:197:38
2914.25:217:35
3014.15:247:32
3114.15:267:29

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 4.06 kWh/m².

For context, solar energy here swings from a low near 0.15 kWh/m² to a high of 5.6 kWh/m² in June across the year — August's 4.06 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
14.8Bright
24.8Bright
34.7Bright
44.7Bright
54.7Bright
64.6Bright
74.5Bright
84.5Bright
94.4Bright
104.4Bright
114.3Bright
124.3Bright
134.2Bright
144.2Bright
154.1Bright
164.1Bright
174.0Bright
184.0Moderate
193.9Moderate
203.9Moderate
213.8Moderate
223.7Moderate
233.7Moderate
243.6Moderate
253.5Moderate
263.5Moderate
273.4Moderate
283.4Moderate
293.3Moderate
303.2Moderate
313.2Moderate
Planning a trip in August

Is August a good time to visit Salo?

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

6.0
Sightseeing
2nd-best month of the year
3.1
Beach & pool
2nd-best month of the year

August is a reasonable time to visit Salo for sightseeing.

What to pack for Salo in August

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

In August, Salo sees daytime highs around 20°C and nights near 11°C. Worth packing: rain gear. About 12 days see rain.

rain gear

Sea temperature near Salo 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 51 km away) is warmest in August at about 17°C and coldest in March near 1°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
Jan2Bracing
Feb1Bracing
Mar1Bracing
Apr2Bracing
May6Bracing
Jun12Bracing
Jul16Cool
Aug17Cool
Sep14Bracing
Oct10Bracing
Nov7Bracing
Dec5Bracing

UV index in Salo 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 Salo peaks around June 17 at about 5 (high) — a little sun protection helps at midday. It bottoms out near January 1 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 5Jan 1UV 0
UV index (midday)Level
Jan0Low
Feb1Low
Mar2Low
Apr3Moderate
May4Moderate
Jun5High
Jul5Moderate
Aug4Moderate
Sep3Moderate
Oct1Low
Nov0Low
Dec0Low
Location & terrain

Where is Salo?

Salo sits at 60.4°N, 23.1°E, 20 m above sea level, in Finland. The nearest listed city is Lieto, 39 km away.

Topography around Salo

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

Within 3 km, the terrain around Salo has only modest variations in elevation — a maximum elevation change of 93 m around an average of 25 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 130 m; within 80 km, significant variations in elevation — a maximum elevation change of 303 m.

The land around Salo is covered by trees (44%) and cropland (20%) within 3 km, trees (61%) and cropland (24%) within 16 km, and trees (55%) and water (26%) within 80 km.

3 km
93 m
16 km
130 m
80 km
303 m
treesgrasslandcroplandartificial surfaceswaterwetland
August weather nearby: Lieto 39 km · Kaarina 42 km · Väståboland 47 km · Turku 48 km · Raseborg 48 km · Loimaa 52 km · Lohja 53 km · Raisio 54 km

Finland travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type C / F
230 V · 50 Hz
Prices
≈ 85% of US
price level, 2025
GDP per capita
$56,149
2025
Happiness
7.8 / 10
World Happiness, 2025
Safe drinking water
100%
of population, 2024
Homicide rate
1
per 100k, 2023
Road deaths
3.9
per 100k/yr, 2019
Income group
High
World Bank
English
Very high
EF EPI 603
Religion
Lutheran 67%none 31%other 2%Greek Orthodox 1%

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 Salo (60.3833°, 23.1333°, elevation 20 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).