Helsinki weather in July

In July, Helsinki sees average daytime highs of 21°C and overnight lows near 14°C, with 76 mm of rain across 11.9 wet days and about 17.7 hours of daylight. It is the 1st-warmest and 1st-wettest month of the year here.

Highs climb over the month, from about 20°C in the first days to 22°C by the end. The sky is clear or mostly clear about 26% of the time in July, and the air most often feels dry.

Daylight stretches from about 18 h 24 min at the start of July to 16 h 48 min by month's end. Set against the rest of the year, July is Helsinki's 2nd-clearest and 12th-windiest month. For the whole year in context, see Helsinki's year-round climate.

Daytime high
21°
1st warmest
Overnight low
14°
12th coldest
Rainfall
76 mm
11.9 wet days
Daylight
17 h 48 min
3:32 AM – 9:20 PM
Cloud cover
59%
2nd clearest
Wind
12 km/h
12th windiest
Solar energy
5.6 kWh/m²
Travel score
6.3
out of 10

Helsinki is capital and most populous city of Finland.

Air quality
Good
PM2.5 7.3 µg/m³ · 2019
Founded
1550

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

Temperature in July

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 20°C in the first days to 22°C by the end.

A typical July day in Helsinki reaches about 21°C in the afternoon and slips back to 14°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 17°C and 27°C. Set against its neighbours, July runs about 3°C warmer than June and about 1°C warmer than August.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12012
22012
32013
42113
52113
62113
72113
82113
92113
102113
112113
122113
132114
142114
152214
162214
172214
182214
192214
202214
212214
222214
232214
242214
252214
262214
272214
282214
292214
302214
312214

How July really feels in Helsinki

Once humidity and wind are folded in, July 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

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

Helsinki weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-2° / -6°4810.910.16.40.0
Feb-2° / -8°409.28.48.60.0
Mar / -5°378.56.911.30.0
Apr / 378.72.414.21.3
May14° / 448.90.116.84.3
Jun18° / 10°7211.8018.45.6
Jul21° / 14°7611.9017.76.3
Aug20° / 12°7612.3015.45.9
Sep15° / 5810.4012.64.3
Oct / 5911.10.89.71.5
Nov / -0°5911.54.67.10.0
Dec / -4°5612.295.60.0

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 26% of the time in July.

Beyond those clear spells, partly cloudy skies cover about 22% of July, with mostly cloudy or overcast conditions the remaining 52%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14654
24654
34753
44753
54753
64852
74852
84852
94951
104852
114951
124951
134951
144852
154951
164852
174852
184852
194852
204852
214852
224753
234753
244852
254852
264852
274852
284753
294852
304852
314852

Chance of precipitation in July

Any precipitation

Helsinki gets around 76 mm of rain over 11.9 wet days in July, the wettest month. 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 42% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
142
241
341
440
540
640
739
839
939
1039
1139
1239
1339
1439
1539
1639
1739
1838
1938
2038
2138
2238
2337
2437
2537
2637
2737
2836
2936
3036
3137

Humidity in July

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, July lands in the dry band about 52% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1732250
2712450
3702550
4682750
5662950
6653050
7613261
8603361
9593461
10583561
11573661
12553771
13543871
14523981
15504082
16494182
17484192
184742102
194542102
204442113
214442113
224342123
234242123
244242124
254142134
264142134
274042134
284042144
294042144
304042144
314142144

Wind in July

Winds average 12 km/h in July, the calmest month.

Across July, daily wind ranges from about 12 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
113light breeze
213light breeze
313light breeze
413light breeze
513light breeze
613light 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 July

DaylightNight

Daylight runs from about 18 h 24 min at the start of July to 16 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 96 minutes over July. Sunrise moves from 3:10 AM to 4:04 AM, and sunset from 9:37 PM to 8:49 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
118.43:109:37
218.43:119:36
318.43:129:36
418.43:139:35
518.33:159:34
618.33:169:33
718.33:179:32
818.23:199:31
918.23:209:30
1018.13:219:29
1118.13:239:27
1218.03:259:26
1318.03:269:25
1417.93:289:23
1517.93:309:22
1617.83:329:20
1717.73:349:18
1817.73:369:17
1917.63:389:15
2017.63:409:13
2117.53:429:11
2217.43:449:09
2317.43:469:07
2417.33:489:05
2517.23:509:03
2617.13:529:00
2717.13:558:58
2817.03:578:56
2916.93:598:54
3016.84:018:51
3116.84:048:49

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 5.6 kWh/m².

For context, solar energy here swings from a low near 0.16 kWh/m² to a high of 5.82 kWh/m² in June across the year — July's 5.6 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.8Bright
25.8Bright
35.8Bright
45.8Bright
55.8Bright
65.8Bright
75.8Bright
85.8Bright
95.8Bright
105.7Bright
115.7Bright
125.7Bright
135.7Bright
145.7Bright
155.7Bright
165.6Bright
175.6Bright
185.6Bright
195.6Bright
205.5Bright
215.5Bright
225.5Bright
235.4Bright
245.4Bright
255.4Bright
265.3Bright
275.3Bright
285.3Bright
295.2Bright
305.2Bright
315.2Bright
Planning a trip in July

Is July a good time to visit Helsinki?

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

6.3
Sightseeing
1st-best month of the year
4.0
Beach & pool
1st-best month of the year

July is a reasonable time to visit Helsinki for sightseeing.

What to pack for Helsinki in July

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

In July, Helsinki sees daytime highs around 21°C and nights near 14°C. Worth packing: rain gear and sun protection. About 12 days see rain.

rain gearsun protection

Sea temperature near Helsinki in July

The nearest coast averages about 16°C in July — 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 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 Helsinki in July

LowModerateHighVery highExtreme

Clear-sky midday UV in July 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 Helsinki peaks around June 18 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowJun 18UV 5Jan 1UV 0
UV index (midday)Level
Jan0Low
Feb1Low
Mar2Low
Apr3Moderate
May4Moderate
Jun5High
Jul5Moderate
Aug5Moderate
Sep3Moderate
Oct1Low
Nov0Low
Dec0Low
Location & terrain

Where is Helsinki?

Helsinki sits at 60.2°N, 24.9°E, 26 m above sea level, in Finland. The nearest listed city is Kallio, 2.0 km away.

Topography around Helsinki

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

Within 3 km, the terrain around Helsinki has only modest variations in elevation — a maximum elevation change of 47 m around an average of 8 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 83 m; within 80 km, only modest variations in elevation — a maximum elevation change of 193 m.

The land around Helsinki is covered by water (42%) and artificial surfaces (41%) within 3 km, water (49%) and trees (28%) within 16 km, and water (49%) and trees (39%) within 80 km.

3 km
47 m
16 km
83 m
80 km
193 m
treesgrasslandcroplandartificial surfaceswater
July weather nearby: Kallio 2.0 km · Taka-Töölö 2.0 km · Suomenlinna 4.0 km · Lauttasaari 4.0 km · Munkkiniemi 5.0 km · Laajasalo 5.0 km · Haaga 6.0 km · Herttoniemi 6.0 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 Helsinki (60.1695°, 24.9354°, elevation 26 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).