Kerava weather in August

In August, Kerava sees average daytime highs of 20°C and overnight lows near 11°C, with 67 mm of rain across 12 wet days and about 15.4 hours of daylight. It is the 2nd-warmest and 3rd-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 16% 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 Kerava's 4th-clearest and 11th-windiest month. For the whole year in context, see Kerava's year-round climate.

Daytime high
20°
2nd warmest
Overnight low
11°
11th coldest
Rainfall
67 mm
12 wet days
Daylight
15 h 24 min
4:41 AM – 8:07 PM
Cloud cover
68%
4th clearest
Wind
11 km/h
11th windiest
Solar energy
4.06 kWh/m²
Travel score
5.9
out of 10
Air quality
Good
PM10 16.1 µg/m³ · 2017

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 Kerava 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 2°C cooler than July and about 5°C warmer than September.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12213
22213
32213
42213
52213
62212
72212
82212
92112
102112
112112
122112
132112
142112
152112
162011
172011
182011
192011
202011
212011
222011
231911
241911
251910
261910
271910
281910
291810
301810
311810

How August really feels in Kerava

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.

Kerava weather by month

How August compares with the rest of the year at a glance. August is the 2nd-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-3° / -7°4510.610.56.30.0
Feb-3° / -8°388.98.58.60.0
Mar / -5°368.67.211.30.0
Apr / 379.22.814.21.7
May15° / 469.40.216.84.7
Jun19° / 10°7212.2018.55.7
Jul22° / 13°7311.9017.86.3
Aug20° / 11°6712015.45.9
Sep15° / 5210.1012.64.3
Oct / 5510.81.19.71.3
Nov / -1°5210.757.10.0
Dec-1° / -5°5211.59.45.50.0

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 16% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 18% of August, with mostly cloudy or overcast conditions the remaining 65%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14060
24060
34060
43862
53862
63862
73862
83664
93664
103664
113763
123763
133763
143664
153664
163763
173664
183664
193565
203466
213466
223367
233367
243268
253169
263070
272971
282971
292971
302872
312872

Chance of precipitation in August

Any precipitation

Kerava gets around 67 mm of rain over 12 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 39% and peaks near 42% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
135
235
336
436
537
637
738
838
939
1039
1140
1240
1341
1441
1542
1642
1742
1842
1942
2042
2141
2241
2341
2440
2539
2639
2738
2838
2937
3037
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 (%)
15236102
25236102
35336101
4543691
5543691
6553681
7563581
8573571
9573571
10583561
11583561
12603451
13603451
14613351
15633340
16633340
17643240
18643240
19653230
20663130
21663130
22663130
23673030
24682930
25692830
26702820
27712720
28732520
29742420
30752320
31762220

Wind in August

Winds average 11 km/h in August.

Across August, daily wind ranges from about 10 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
110calm
210calm
310calm
410calm
510calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm
3111calm

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 4:04 AM to 5:18 AM, and sunset from 8:47 PM to 7:21 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
116.74:048:47
216.64:068:45
316.64:098:42
416.54:118:40
516.44:148:37
616.34:168:35
716.24:188:32
816.14:218:29
916.14:238:26
1016.04:268:24
1115.94:288:21
1215.84:318:18
1315.74:338:15
1415.64:368:12
1515.54:388:10
1615.44:418:07
1715.34:438:04
1815.34:468:01
1915.24:487:58
2015.14:517:55
2115.04:537:52
2214.94:567:49
2314.84:587:46
2414.75:017:43
2514.65:037:40
2614.55:067:37
2714.45:087:34
2814.35:117:31
2914.25:137:27
3014.15:167:24
3114.15:187:21

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 5.56 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
34.8Bright
44.7Bright
54.7Bright
64.6Bright
74.6Bright
84.5Bright
94.5Bright
104.4Bright
114.3Bright
124.3Bright
134.2Bright
144.2Bright
154.1Bright
164.1Bright
174.0Bright
183.9Moderate
193.9Moderate
203.8Moderate
213.8Moderate
223.7Moderate
233.6Moderate
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 Kerava?

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

5.9
Sightseeing
2nd-best month of the year
3.3
Beach & pool
2nd-best month of the year

August is a reasonable time to visit Kerava for sightseeing.

What to pack for Kerava in August

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

In August, Kerava 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 Kerava 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 31 km away) is warmest in August at about 17°C and coldest in February 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 Kerava 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 Kerava peaks around June 19 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 19UV 5Jan 1UV 0
UV index (midday)Level
Jan0Low
Feb1Low
Mar2Low
Apr3Moderate
May4Moderate
Jun5High
Jul5Moderate
Aug4Moderate
Sep2Moderate
Oct1Low
Nov0Low
Dec0Low
Location & terrain

Where is Kerava?

Kerava sits at 60.4°N, 25.1°E, 54 m above sea level, in Finland. The nearest listed city is Tuusula, 4.0 km away.

Topography around Kerava

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

Within 3 km, the terrain around Kerava has only modest variations in elevation — a maximum elevation change of 47 m around an average of 49 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 107 m; within 80 km, only modest variations in elevation — a maximum elevation change of 226 m.

The land around Kerava is covered by trees (59%) and artificial surfaces (25%) within 3 km, trees (61%) within 16 km, and trees (50%) and water (35%) within 80 km.

3 km
47 m
16 km
107 m
80 km
226 m
treesgrasslandcroplandartificial surfaceswater
August weather nearby: Tuusula 4.0 km · Järvenpää 8.0 km · Sibbo 9.0 km · Vantaa 13 km · Suutarila 15 km · Suurmetsä 15 km · Nurmijärvi 18 km · Mellunkylä 19 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 Kerava (60.4034°, 25.105°, elevation 54 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).