Turku weather in June

In June, Turku sees average daytime highs of 19°C and overnight lows near 9°C, with 68 mm of rain across 10.8 wet days and about 18.5 hours of daylight. It is the 3rd-warmest and 3rd-wettest month of the year here.

Highs climb over the month, from about 18°C in the first days to 20°C by the end. The sky is clear or mostly clear about 29% of the time in June, and the air most often feels dry.

Daylight stretches from about 18 hours at the start of June to 18 h 36 min by month's end. Set against the rest of the year, June is Turku's 3rd-clearest and 9th-windiest month. For the whole year in context, see Turku's year-round climate.

Daytime high
19°
3rd warmest
Overnight low
10th coldest
Rainfall
68 mm
10.8 wet days
Daylight
18 h 36 min
3:13 AM – 9:49 PM
Cloud cover
60%
3rd clearest
Wind
12 km/h
9th windiest
Solar energy
5.89 kWh/m²
Travel score
5.9
out of 10
Air quality
Excellent
PM10 10.6 µg/m³ · 2017

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in June

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 18°C in the first days to 20°C by the end.

A typical June day in Turku reaches about 19°C in the afternoon and slips back to 9°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 14°C and 24°C. Set against its neighbours, June runs about 4°C warmer than May and about 3°C cooler than July.

10°20°30°151015202530
Avg high (°C)Avg low (°C)
1177
2178
3188
4188
5188
6188
7188
8189
9189
10189
11189
12189
13199
14199
15199
16199
171910
181910
191910
201910
211910
221910
231910
241910
251910
262011
272011
282011
292011
302011

How June really feels in Turku

Once humidity and wind are folded in, June 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

June sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Turku weather by month

How June compares with the rest of the year at a glance. June is the 3rd-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° / -6°4910.18.66.30.0
Feb-2° / -7°378.57.28.60.0
Mar / -5°368.25.711.30.0
Apr / -0°3381.814.21.7
May15° / 418.90.116.94.6
Jun19° / 6810.8018.55.9
Jul22° / 12°8512.3017.86.2
Aug20° / 11°8012.6015.46.0
Sep15° / 589.5012.64.5
Oct / 5910.40.69.71.6
Nov / -0°5510.93.47.10.0
Dec / -4°5611.66.85.50.0

Cloud cover in June

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 29% of the time in June.

Beyond those clear spells, partly cloudy skies cover about 19% of June, with mostly cloudy or overcast conditions the remaining 53%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15347
25248
35347
45248
55149
65149
75149
85050
94951
104852
114753
124852
134654
144654
154555
164555
174555
184555
194555
204555
214555
224555
234555
244654
254555
264555
274555
284555
294753
304753

Chance of precipitation in June

Any precipitation

Turku gets around 68 mm of rain over 10.8 wet days in June. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 36% and peaks near 40% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202530
Rain chance (%)
131
231
332
432
532
632
733
833
934
1034
1135
1235
1336
1437
1537
1638
1738
1839
1939
2039
2139
2239
2339
2440
2540
2640
2740
2840
2940
3040

Humidity in June

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, June lands in the dry band about 90% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
196310
296310
395410
495410
595410
694510
794510
893610
993610
1092710
1192710
1292710
1391810
1491810
1590910
1690910
1790910
1890910
1990910
2090910
21891010
22881020
23881020
24881020
25881020
26871120
27861121
28841231
29831331
30831331

Wind in June

Winds average 12 km/h in June.

Across June, 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.

051015151015202530
Wind speed (km/h)Feels
112calm
212calm
312calm
412calm
512calm
612calm
712calm
812calm
912calm
1012calm
1112calm
1212calm
1312calm
1412calm
1512calm
1612calm
1712calm
1812calm
1912calm
2012calm
2112calm
2212calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm

Sunrise & sunset in June

DaylightNight

Daylight runs from about 18 hours at the start of June to 18 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 36 minutes over June. Sunrise moves from 3:28 AM to 3:17 AM, and sunset from 9:29 PM to 9:51 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
118.03:289:29
218.13:279:30
318.13:259:32
418.23:249:34
518.23:239:35
618.33:219:37
718.33:209:39
818.33:199:40
918.43:189:41
1018.43:179:43
1118.53:169:44
1218.53:169:45
1318.53:159:46
1418.53:149:47
1518.63:149:48
1618.63:139:49
1718.63:139:50
1818.63:139:50
1918.63:139:51
2018.63:139:51
2118.63:139:52
2218.73:139:52
2318.73:139:52
2418.63:139:52
2518.63:149:52
2618.63:149:52
2718.63:159:52
2818.63:159:52
2918.63:169:52
3018.63:179:51

Solar energy in June

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in June, about 5.89 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 0.15 kWh/m² to a high of 5.89 kWh/m² in June across the year — June's 5.89 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
15.9Bright
26.0Bright
36.0Bright
46.0Bright
56.0Bright
66.0Bright
76.0Bright
86.0Bright
95.9Bright
105.9Bright
115.9Bright
125.9Bright
135.9Bright
145.9Bright
155.9Bright
165.9Bright
175.9Bright
185.8Bright
195.8Bright
205.8Bright
215.8Bright
225.8Bright
235.8Bright
245.8Bright
255.8Bright
265.8Bright
275.8Bright
285.8Bright
295.8Bright
305.8Bright
Planning a trip in June

Is June a good time to visit Turku?

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

5.9
Sightseeing
3rd-best month of the year
2.3
Beach & pool
3rd-best month of the year

June is a reasonable time to visit Turku for sightseeing.

What to pack for Turku in June

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

In June, Turku sees daytime highs around 19°C and nights near 9°C. Worth packing: rain gear and sun protection. About 11 days see rain.

rain gearsun protection

Sea temperature near Turku in June

The nearest coast averages about 11°C in June — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 36 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
Jun11Bracing
Jul16Cool
Aug17Cool
Sep14Bracing
Oct10Bracing
Nov7Bracing
Dec4Bracing

UV index in Turku in June

LowModerateHighVery highExtreme

Clear-sky midday UV in June 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 Turku 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
Sep2Moderate
Oct1Low
Nov0Low
Dec0Low
Location & terrain

Where is Turku?

Turku sits at 60.5°N, 22.3°E, 22 m above sea level, in Finland. The nearest listed city is Raisio, 7.0 km away.

Raseborg

Topography around Turku

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

Within 3 km, the terrain around Turku has only modest variations in elevation — a maximum elevation change of 60 m around an average of 21 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 80 m; within 80 km, significant variations in elevation — a maximum elevation change of 276 m.

The land around Turku is covered by trees (47%) and artificial surfaces (42%) within 3 km, trees (51%) within 16 km, and trees (46%) and water (36%) within 80 km.

3 km
60 m
16 km
80 m
80 km
276 m
treesgrasslandcroplandartificial surfaceswaterwetland
June weather nearby: Raisio 7.0 km · Kaarina 7.0 km · Lieto 12 km · Naantali 14 km · Väståboland 17 km · Salo 48 km · Loimaa 62 km · Raseborg 83 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 Turku (60.4515°, 22.2687°, 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).