Kirkkonummi weather in August

In August, Kirkkonummi sees average daytime highs of 18°C and overnight lows near 16°C, with 72 mm of rain across 11.4 wet days and about 15.4 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 29% of the time in August, and the air most often feels comfortable.

Daylight stretches from about 16 h 42 min at the start of August to 14 hours by month's end. Set against the rest of the year, August is Kirkkonummi's 4th-clearest and 8th-windiest month. For the whole year in context, see Kirkkonummi's year-round climate.

Daytime high
18°
1st warmest
Overnight low
16°
12th coldest
Rainfall
72 mm
11.4 wet days
Daylight
15 h 24 min
4:45 AM – 8:08 PM
Cloud cover
59%
4th clearest
Wind
21 km/h
8th windiest
Solar energy
4.37 kWh/m²
Travel score
5.6
out of 10

Kirkkonummi is administrative centre of Kirkkonummi.

Air quality
Excellent
PM10 11.4 µg/m³ · 2019

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 Kirkkonummi 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 20°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)
11917
21917
31917
41917
51917
61917
71917
81917
91817
101816
111816
121816
131816
141816
151816
161816
171816
181816
191816
201816
211816
221715
231715
241715
251715
261715
271715
281715
291715
301715
311614

How August really feels in Kirkkonummi

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.

Kirkkonummi 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° / -4°52129.96.40.0
Feb-2° / -6°409.38.28.60.0
Mar-0° / -4°378.8611.30.0
Apr / 367.92.114.20.0
May / 377.20.216.81.5
Jun13° / 11°568.9018.43.6
Jul18° / 16°589017.76.0
Aug18° / 16°7211.4015.45.6
Sep14° / 12°6810.9012.64.0
Oct / 8413.70.49.71.7
Nov / 79143.87.10.2
Dec / -1°6613.77.65.60.0

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 29% 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 50%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15743
25743
35743
45545
55545
65545
75545
85446
95446
105446
115446
125347
135347
145248
155347
165248
175149
185050
194951
204852
214852
224753
234753
244456
254357
264357
274159
284159
294159
304060
313961

Chance of precipitation in August

Any precipitation

Kirkkonummi gets around 72 mm of rain over 11.4 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 37% and peaks near 40% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)
130
231
332
432
533
634
735
835
936
1037
1138
1238
1339
1439
1539
1640
1740
1840
1940
2040
2140
2239
2339
2439
2539
2638
2738
2838
2938
3038
3138

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 42% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
12344248
22443258
32543257
42642257
52742256
62742255
72842255
82942254
93042244
103142243
113143233
123243223
133343222
143443212
153543202
163644191
173744181
183844181
193943171
204043161
214143160
224242150
234442140
244541140
254740130
264939120
275138110
285337100
29543790
30553690
31573580

Wind in August

Winds average 21 km/h in August.

Across August, daily wind ranges from about 20 km/h on the calmest days to 22 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202531
Wind speed (km/h)Feels
120light breeze
220light breeze
320light breeze
420light breeze
520light breeze
620light breeze
720breezy
820breezy
920breezy
1020breezy
1120breezy
1221breezy
1321breezy
1421breezy
1521breezy
1621breezy
1721breezy
1821breezy
1921breezy
2021breezy
2121breezy
2221breezy
2321breezy
2421breezy
2521breezy
2621breezy
2722breezy
2822breezy
2922breezy
3022breezy
3122breezy

Sunrise & sunset in August

DaylightNight

Daylight runs from about 16 h 42 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 162 minutes over August. Sunrise moves from 4:08 AM to 5:21 AM, and sunset from 8:48 PM to 7:23 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
116.74:088:48
216.64:118:46
316.54:138:43
416.44:158:41
516.34:188:38
616.34:208:36
716.24:238:33
816.14:258:30
916.04:278:28
1015.94:308:25
1115.84:328:22
1215.74:358:19
1315.74:378:17
1415.64:408:14
1515.54:428:11
1615.44:458:08
1715.34:478:05
1815.24:508:02
1915.14:527:59
2015.04:547:56
2114.94:577:53
2214.94:597:51
2314.85:027:48
2414.75:047:45
2514.65:077:42
2614.55:097:38
2714.45:127:35
2814.35:147:32
2914.25:177:29
3014.15:197:26
3114.05:217:23

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 4.37 kWh/m².

For context, solar energy here swings from a low near 0.16 kWh/m² to a high of 5.92 kWh/m² in June across the year — August's 4.37 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.2Bright
25.1Bright
35.1Bright
45.0Bright
55.0Bright
64.9Bright
74.9Bright
84.8Bright
94.8Bright
104.7Bright
114.7Bright
124.6Bright
134.5Bright
144.5Bright
154.4Bright
164.4Bright
174.3Bright
184.2Bright
194.2Bright
204.1Bright
214.1Bright
224.0Moderate
233.9Moderate
243.9Moderate
253.8Moderate
263.7Moderate
273.7Moderate
283.6Moderate
293.5Moderate
303.5Moderate
313.4Moderate
Planning a trip in August

Is August a good time to visit Kirkkonummi?

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

5.6
Sightseeing
2nd-best month of the year
1.8
Beach & pool
1st-best month of the year

August is a reasonable time to visit Kirkkonummi for sightseeing.

What to pack for Kirkkonummi in August

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

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

rain geara windbreaker

Sea temperature near Kirkkonummi 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 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 Kirkkonummi 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 Kirkkonummi 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 Kirkkonummi?

Kirkkonummi sits at 60.1°N, 24.4°E, 17 m above sea level, in Finland. The nearest listed city is Espoonlahti, 12 km away.

Topography around Kirkkonummi

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

Within 3 km, the terrain around Kirkkonummi has only modest variations in elevation — a maximum elevation change of 61 m around an average of 25 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 100 m; within 80 km, only modest variations in elevation — a maximum elevation change of 193 m.

The land around Kirkkonummi is covered by trees (67%) within 3 km, trees (56%) and water (24%) within 16 km, and water (46%) and trees (42%) within 80 km.

3 km
61 m
16 km
100 m
80 km
193 m
treesgrasslandcroplandartificial surfaceswaterwetland
August weather nearby: Espoonlahti 12 km · Espoo 15 km · Olari 17 km · Matinkylä 17 km · Leppävaara 23 km · Lauttasaari 24 km · Lohja 25 km · Munkkiniemi 26 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 Kirkkonummi (60.1238°, 24.4385°, elevation 17 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).