Jakobstad weather in May

In May, Jakobstad sees average daytime highs of 10°C and overnight lows near 4°C, with 43 mm of precipitation across 8.3 wet days and about 17.7 hours of daylight. It is the 5th-warmest and 8th-wettest month of the year here.

Highs climb over the month, from about 8°C in the first days to 12°C by the end. The sky is clear or mostly clear about 37% of the time in May, and the air most often feels dry.

Daylight stretches from about 16 h 12 min at the start of May to 19 h 06 min by month's end. Set against the rest of the year, May is Jakobstad's 1st-clearest and 9th-windiest month. For the whole year in context, see Jakobstad's year-round climate.

Daytime high
10°
5th warmest
Overnight low
8th coldest
Precipitation
43 mm
8.3 wet days
Daylight
17 h 48 min
3:32 AM – 9:18 PM
Cloud cover
55%
1st clearest
Wind
14 km/h
9th windiest
Solar energy
5.41 kWh/m²
Travel score
2.4
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 May

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 8°C in the first days to 12°C by the end.

A typical May day in Jakobstad reaches about 10°C in the afternoon and slips back to 4°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 5°C and 15°C. Set against its neighbours, May runs about 5°C warmer than April and about 5°C cooler than June.

-5°10°15°20°151015202531
Avg high (°C)Avg low (°C)
182
282
382
482
582
692
793
893
993
1093
1193
12103
13104
14104
15104
16104
17104
18104
19115
20115
21115
22115
23115
24115
25115
26126
27126
28126
29126
30126
31126

How May really feels in Jakobstad

Once humidity and wind are folded in, May averages 0 days that feel above 32°C and 12 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
12
wind chill below the day's low

The story in May is cold — wind chill drags the overnight "feels like" below the raw low.

Jakobstad weather by month

How May compares with the rest of the year at a glance. May is the 5th-warmest and 8th-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 May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 37% of the time in May, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 17% of May, with mostly cloudy or overcast conditions the remaining 47%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14951
24951
34951
44951
55050
65149
75149
85248
95248
105347
115446
125446
135545
145545
155545
165545
175644
185644
195644
205644
215644
225644
235644
245545
255545
265545
275545
285347
295347
305347
315248

Chance of precipitation in May

Any precipitationSnow

Jakobstad gets around 43 mm of rain and snow over 8.3 wet days in May. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 26% and peaks near 28% on the wettest days, and about 0 day brings snow.

0%10%20%30%40%151015202531
Rain chance (%)Snow chance (%)
1224
2234
3233
4243
5253
6253
7262
8262
9272
10272
11272
12282
13282
14282
15281
16281
17281
18281
19281
20271
21271
22271
23270
24270
25260
26260
27260
28260
29270
30270
31270

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the dry band about 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)
11000
21000
31000
41000
51000
61000
71000
81000
91000
101000
111000
121000
131000
141000
151000
161000
171000
181000
191000
201000
211000
221000
231000
241000
25991
26991
27991
28991
29982
30982
31982

Wind in May

Winds average 14 km/h in May.

Across May, daily wind ranges from about 14 km/h on the calmest days to 14 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
114light breeze
214light breeze
314light breeze
414light breeze
514light 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
1914light breeze
2014light breeze
2114light breeze
2214light breeze
2314light breeze
2414light breeze
2514light breeze
2614light breeze
2714light breeze
2814light breeze
2914light breeze
3014light breeze
3114light breeze

Sunrise & sunset in May

DaylightNight

Daylight runs from about 16 h 12 min at the start of May to 19 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 174 minutes over May. Sunrise moves from 4:20 AM to 2:52 AM, and sunset from 8:32 PM to 10:01 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
116.24:208:32
216.34:178:36
316.44:148:39
416.54:108:42
516.64:078:45
616.74:048:48
716.84:018:51
816.93:578:54
917.03:548:57
1017.23:519:00
1117.33:489:03
1217.43:459:06
1317.53:429:09
1417.63:399:12
1517.73:359:15
1617.83:329:18
1717.93:309:21
1818.03:279:24
1918.13:249:27
2018.23:219:30
2118.33:189:33
2218.33:159:36
2318.43:129:39
2418.53:109:42
2518.63:079:45
2618.73:049:47
2718.83:029:50
2818.92:599:53
2919.02:579:56
3019.12:559:58
3119.12:5210:01

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.41 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 — May's 5.41 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
14.8Bright
24.8Bright
34.9Bright
44.9Bright
55.0Bright
65.0Bright
75.1Bright
85.1Bright
95.2Bright
105.2Bright
115.3Bright
125.3Bright
135.3Bright
145.4Bright
155.4Bright
165.4Bright
175.5Bright
185.5Bright
195.5Bright
205.6Bright
215.6Bright
225.6Bright
235.7Bright
245.7Bright
255.7Bright
265.7Bright
275.8Bright
285.8Bright
295.8Bright
305.8Bright
315.8Bright
Planning a trip in May

Is May a good time to visit Jakobstad?

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

2.4
Sightseeing
5th-best month of the year
0.0
Beach & pool
5th-best month of the year

May is a weaker month for outdoor sightseeing in Jakobstad.

What to pack for Jakobstad in May

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

In May, Jakobstad sees daytime highs around 10°C and nights near 4°C. Pack a warm layer. Worth having: rain gear and sun protection. About 8 days see rain.

a warm layerrain gearsun protection

Sea temperature near Jakobstad in May

The nearest coast averages about 3°C in May — 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 May

LowModerateHighVery highExtreme

Clear-sky midday UV in May 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
May 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).