Jakobstad weather in August

In August, Jakobstad sees average daytime highs of 18°C and overnight lows near 12°C, with 68 mm of rain across 11.2 wet days and about 16 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 16°C by the end. The sky is clear or mostly clear about 26% of the time in August, and the air most often feels dry.

Daylight stretches from about 17 h 36 min at the start of August to 14 h 24 min by month's end. Set against the rest of the year, August is Jakobstad's 5th-clearest and 9th-windiest month. For the whole year in context, see Jakobstad's year-round climate.

Daytime high
18°
2nd warmest
Overnight low
12°
11th coldest
Rainfall
68 mm
11.2 wet days
Daylight
16 hours
4:34 AM – 8:33 PM
Cloud cover
63%
5th clearest
Wind
14 km/h
9th windiest
Solar energy
3.95 kWh/m²
Travel score
5.6
out of 10
Air quality
Excellent
PM10 11.7 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 16°C by the end.

A typical August day in Jakobstad reaches about 18°C in the afternoon and slips back to 12°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 14°C and 22°C. Set against its neighbours, August runs about 1°C cooler than July and about 5°C warmer than September.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
11914
21914
31914
41914
51913
61913
71913
81913
91913
101913
111913
121813
131813
141813
151813
161812
171812
181812
191812
201712
211712
221712
231712
241712
251711
261711
271711
281611
291611
301611
311611

How August really feels in Jakobstad

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.

Jakobstad 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-3° / -7°339.29.25.10.0
Feb-4° / -9°277.17.380.0
Mar-0° / -6°287.37.111.20.0
Apr / -1°317.33.514.50.3
May10° / 438.30.317.72.4
Jun15° / 519.6019.94.4
Jul19° / 13°6811.40195.8
Aug18° / 12°6811.20165.6
Sep13° / 5810.5012.73.6
Oct / 5710.91.89.40.8
Nov / -1°5011.16.16.20.0
Dec-1° / -4°4410.78.24.10.0

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

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

Beyond those clear spells, partly cloudy skies cover about 16% of August, with mostly cloudy or overcast conditions the remaining 57%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14555
24555
34555
44456
54456
64456
74456
84456
94456
104456
114456
124456
134456
144456
154456
164456
174456
184456
194456
204357
214258
224258
234159
244159
254258
264258
274060
284060
294060
304060
313961

Chance of precipitation in August

Any precipitation

Jakobstad gets around 68 mm of rain over 11.2 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 36% and peaks near 37% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
135
235
336
436
536
637
737
837
937
1037
1137
1237
1337
1436
1536
1636
1736
1836
1936
2036
2136
2236
2336
2436
2535
2635
2735
2835
2935
3035
3135

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 64% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
14540132
24540132
34739122
44839122
54938112
65137102
75336101
8553591
9553591
10573481
11593371
12593371
13623260
14633250
15643150
16663040
17663040
18682930
19682930
20692830
21702820
22712720
23722620
24732520
25742420
26772210
27782110
28801910
29811810
30831610
31841510

Wind in August

Winds average 14 km/h in August.

Across August, daily wind ranges from about 13 km/h on the calmest days to 15 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
113light breeze
213light breeze
313light breeze
413light breeze
513light breeze
614light breeze
714light breeze
814light breeze
914light breeze
1014light breeze
1114light breeze
1214light breeze
1314light breeze
1414light breeze
1514light breeze
1614light breeze
1714light breeze
1814light breeze
1915light breeze
2015light breeze
2115light breeze
2215light breeze
2315light breeze
2415light breeze
2515light breeze
2615light breeze
2715light breeze
2815light breeze
2915light breeze
3015light breeze
3115light breeze

Sunrise & sunset in August

DaylightNight

Daylight runs from about 17 h 36 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 192 minutes over August. Sunrise moves from 3:48 AM to 5:18 AM, and sunset from 9:22 PM to 7:40 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
117.63:489:22
217.53:519:19
317.43:549:16
417.33:579:13
517.24:009:10
617.04:039:06
716.94:069:03
816.84:099:00
916.74:128:56
1016.64:168:53
1116.54:198:50
1216.44:228:47
1316.34:258:43
1416.24:288:40
1516.14:318:36
1616.04:348:33
1715.94:378:29
1815.84:408:26
1915.74:438:23
2015.64:468:19
2115.44:498:16
2215.34:528:12
2315.24:558:09
2415.14:588:05
2515.05:018:02
2614.95:047:58
2714.85:067:54
2814.75:097:51
2914.65:127:47
3014.55:157:44
3114.45:187:40

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 3.95 kWh/m².

For context, solar energy here swings from a low near 0.05 kWh/m² to a high of 5.88 kWh/m² in June across the year — August's 3.95 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
14.8Bright
24.7Bright
34.7Bright
44.6Bright
54.6Bright
64.5Bright
74.5Bright
84.4Bright
94.3Bright
104.3Bright
114.2Bright
124.2Bright
134.1Bright
144.0Bright
154.0Bright
164.0Moderate
173.9Moderate
183.9Moderate
193.8Moderate
203.7Moderate
213.7Moderate
223.6Moderate
233.6Moderate
243.5Moderate
253.5Moderate
263.4Moderate
273.4Moderate
283.3Moderate
293.2Moderate
303.2Moderate
313.1Moderate
Planning a trip in August

Is August a good time to visit Jakobstad?

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
2nd-best month of the year

August is a reasonable time to visit Jakobstad for sightseeing.

What to pack for Jakobstad in August

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

In August, Jakobstad sees daytime highs around 18°C and nights near 12°C. Worth packing: rain gear. About 11 days see rain.

rain gear

Sea temperature near Jakobstad in August

The nearest coast averages about 16°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 17 km away) is warmest in August at about 16°C and coldest in February near 0°C.

The water stays below 20°C all year — cool enough that most swimmers want a wetsuit.

0°5°10°15°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcool
Sea temperature (°C)Comfort
Jan1Bracing
Feb0Bracing
Mar0Bracing
Apr1Bracing
May3Bracing
Jun8Bracing
Jul14Bracing
Aug16Cool
Sep13Bracing
Oct9Bracing
Nov5Bracing
Dec3Bracing

UV index in Jakobstad 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 Jakobstad peaks around July 14 at about 4 (moderate) — 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateLowJul 14UV 4Jan 1UV 0
UV index (midday)Level
Jan0Low
Feb0Low
Mar1Low
Apr2Moderate
May4Moderate
Jun4Moderate
Jul4Moderate
Aug4Moderate
Sep2Low
Oct1Low
Nov0Low
Dec0Low
Location & terrain

Where is Jakobstad?

Jakobstad sits at 63.7°N, 22.7°E, 15 m above sea level, in Finland. The nearest listed city is Kokkola, 28 km away.

KauhavaKorsholmVaasaSeinäjokiYlivieskaKurikkaUmeå

Topography around Jakobstad

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

Within 3 km, the terrain around Jakobstad has only modest variations in elevation — a maximum elevation change of 26 m around an average of 9 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 56 m; within 80 km, only modest variations in elevation — a maximum elevation change of 181 m.

The land around Jakobstad is covered by trees (57%) within 3 km, trees (46%) and water (35%) within 16 km, and trees (48%) and water (38%) within 80 km.

3 km
26 m
16 km
56 m
80 km
181 m
treesgrasslandcroplandartificial surfaceswaterwetland
August weather nearby: Kokkola 28 km · Kauhava 66 km · Korsholm 80 km · Vaasa 84 km · Seinäjoki 98 km · Ylivieska 101 km · Kurikka 119 km · Umeå 121 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 Jakobstad (63.6749°, 22.7026°, elevation 15 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).