Kajaani weather in August

In August, Kajaani sees average daytime highs of 17°C and overnight lows near 11°C, with 74 mm of rain across 12.8 wet days and about 16.1 hours of daylight. It is the 2nd-warmest and 2nd-wettest month of the year here.

Highs ease over the month, from about 19°C in the first days to 15°C by the end. The sky is clear or mostly clear about 14% of the time in August, and the air most often feels dry.

Daylight stretches from about 17 h 42 min at the start of August to 14 h 24 min by month's end. Set against the rest of the year, August is Kajaani's 5th-clearest and 11th-windiest month. For the whole year in context, see Kajaani's year-round climate.

Daytime high
17°
2nd warmest
Overnight low
11°
11th coldest
Rainfall
74 mm
12.8 wet days
Daylight
16 h 06 min
4:10 AM – 8:16 PM
Cloud cover
71%
5th clearest
Wind
11 km/h
11th windiest
Solar energy
3.41 kWh/m²
Travel score
5.1
out of 10

Kajaani is urban area and center of Kajaani, Kainuu, Finland.

Air quality
Excellent
PM10 13.8 µg/m³ · 2018

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 15°C by the end.

A typical August day in Kajaani reaches about 17°C in the afternoon and slips back to 11°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 13°C and 22°C. Set against its neighbours, August runs about 2°C cooler than July and about 6°C warmer than September.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
12012
21912
31912
41912
51912
61912
71912
81912
91811
101811
111811
121811
131811
141811
151811
161711
171710
181710
191710
201710
211710
221710
231610
241610
25169
26169
27169
28169
29159
30159
31159

How August really feels in Kajaani

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.

Kajaani 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-7° / -12°369.311.24.90.0
Feb-6° / -12°298.69.67.90.0
Mar-1° / -8°328.79.511.20.0
Apr / -3°328.65.714.60.3
May11° / 5510.91.317.92.7
Jun17° / 7412.90.120.24.8
Jul19° / 12°9214.1019.25.5
Aug17° / 11°7412.8016.15.1
Sep12° / 6411.80.112.72.8
Oct / 5711.83.89.30.3
Nov-1° / -4°5211.18.760.0
Dec-4° / -9°4711.6123.80.0

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 14% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 17% of August, with mostly cloudy or overcast conditions the remaining 69%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13169
23268
33268
43169
53169
63070
73169
83169
93169
103070
113070
122971
133070
143070
153070
163070
173070
183169
193169
203169
213169
223169
233268
243268
253268
263268
273268
283169
293169
303169
313070

Chance of precipitation in August

Any precipitation

Kajaani gets around 74 mm of rain over 12.8 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 41% and peaks near 45% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
143
243
343
443
543
644
744
844
945
1045
1145
1244
1344
1444
1543
1642
1742
1841
1940
2040
2139
2239
2338
2438
2537
2637
2737
2837
2937
3037
3137

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 76% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
15533102
25632102
3583192
4583192
5603082
6632881
7652771
8662671
9672571
10692461
11702361
12722251
13752140
14762040
15781930
16781930
17801820
18811720
19831610
20831610
21841510
22841510
23851410
24861400
25871300
26871300
27881200
28891100
29901000
30901000
3191900

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 12 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
110calm
210calm
310calm
410calm
510calm
610calm
710calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3012calm
3112calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 17 h 42 min at the start of August to 14 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 198 minutes over August. Sunrise moves from 3:23 AM to 4:56 AM, and sunset from 9:07 PM to 7:22 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
117.73:239:07
217.63:269:04
317.53:299:01
417.43:338:57
517.33:368:54
617.23:398:51
717.13:428:47
817.03:458:44
916.93:488:40
1016.83:518:37
1116.63:558:34
1216.53:588:30
1316.44:018:27
1416.34:048:23
1516.24:078:20
1616.14:108:16
1716.04:138:13
1815.94:168:09
1915.84:208:05
2015.74:238:02
2115.54:267:58
2215.44:297:55
2315.34:327:51
2415.24:357:47
2515.14:387:44
2615.04:417:40
2714.94:447:37
2814.84:477:33
2914.64:507:29
3014.54:537:26
3114.44:567:22

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 3.41 kWh/m².

For context, solar energy here swings from a low near 0.04 kWh/m² to a high of 5.16 kWh/m² in June across the year — August's 3.41 kWh/m² falls in the middle.

012345151015202531
Solar energy (kWh/m²)Level
14.2Bright
24.2Bright
34.1Bright
44.0Bright
54.0Moderate
63.9Moderate
73.9Moderate
83.8Moderate
93.8Moderate
103.7Moderate
113.6Moderate
123.6Moderate
133.5Moderate
143.5Moderate
153.5Moderate
163.4Moderate
173.4Moderate
183.3Moderate
193.3Moderate
203.2Moderate
213.2Moderate
223.1Moderate
233.1Moderate
243.0Moderate
253.0Moderate
262.9Moderate
272.9Moderate
282.8Moderate
292.7Moderate
302.7Moderate
312.6Moderate
Planning a trip in August

Is August a good time to visit Kajaani?

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

5.1
Sightseeing
2nd-best month of the year
1.4
Beach & pool
2nd-best month of the year

August is a reasonable time to visit Kajaani for sightseeing.

What to pack for Kajaani in August

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

In August, Kajaani sees daytime highs around 17°C and nights near 11°C. Worth packing: rain gear. About 13 days see rain.

rain gear

UV index in Kajaani 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 Kajaani peaks around July 15 at about 4 (moderate) — a little sun protection helps at midday. It bottoms out near December 19 at about 0 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 4 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateLowJul 15UV 4Dec 19UV 0
UV index (midday)Level
Jan0Low
Feb0Low
Mar1Low
Apr3Moderate
May4Moderate
Jun4Moderate
Jul5Moderate
Aug4Moderate
Sep2Low
Oct1Low
Nov0Low
Dec0Low
Location & terrain

Where is Kajaani?

Kajaani sits at 64.2°N, 27.7°E, 145 m above sea level, in Finland. The nearest listed city is Iisalmi, 79 km away.

IisalmiSiilinjärviOuluKostomukshaKuopioHaukipudasYlivieskaRaahe

Topography around Kajaani

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

Within 3 km, the terrain around Kajaani has only modest variations in elevation — a maximum elevation change of 84 m around an average of 154 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 165 m; within 80 km, significant variations in elevation — a maximum elevation change of 377 m.

The land around Kajaani is covered by trees (66%) within 3 km, trees (66%) and water (25%) within 16 km, and trees (79%) within 80 km.

3 km
84 m
16 km
165 m
80 km
377 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
August weather nearby: Iisalmi 79 km · Siilinjärvi 127 km · Oulu 139 km · Kostomuksha 142 km · Kuopio 148 km · Haukipudas 155 km · Ylivieska 155 km · Raahe 164 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 Kajaani (64.2273°, 27.7285°, elevation 145 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. 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).