Kokkola weather in May

In May, Kokkola sees average daytime highs of 13°C and overnight lows near 4°C, with 48 mm of precipitation across 9.5 wet days and about 17.8 hours of daylight. It is the 5th-warmest and 6th-wettest month of the year here.

Highs climb over the month, from about 11°C in the first days to 15°C by the end. The sky is clear or mostly clear about 33% 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 12 min by month's end. Set against the rest of the year, May is Kokkola's 1st-clearest and 9th-windiest month. For the whole year in context, see Kokkola's year-round climate.

Daytime high
13°
5th warmest
Overnight low
8th coldest
Precipitation
48 mm
9.5 wet days
Daylight
17 h 48 min
3:29 AM – 9:18 PM
Cloud cover
58%
1st clearest
Wind
11 km/h
9th windiest
Solar energy
5.25 kWh/m²
Travel score
3.8
out of 10
Air quality
Excellent
PM10 11.7 µg/m³ · 2010

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 11°C in the first days to 15°C by the end.

A typical May day in Kokkola reaches about 13°C in the afternoon and slips back to 4°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 7°C and 20°C. Set against its neighbours, May runs about 6°C warmer than April and about 5°C cooler than June.

10°20°151015202531
Avg high (°C)Avg low (°C)
1112
2112
3112
4112
5112
6122
7122
8122
9123
10123
11123
12123
13133
14133
15134
16134
17134
18134
19144
20144
21145
22145
23145
24155
25155
26155
27156
28156
29156
30166
31166

How May really feels in Kokkola

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.

Kokkola weather by month

How May compares with the rest of the year at a glance. May is the 5th-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-4° / -9°328.79.25.10.0
Feb-4° / -10°277.47.680.0
Mar / -7°287.57.311.20.0
Apr / -1°317.53.714.51.1
May13° / 489.50.417.83.8
Jun18° / 5910.40205.6
Jul21° / 12°7913.2019.15.9
Aug19° / 11°7212.20165.7
Sep14° / 5610.3012.73.8
Oct / 5110.32.19.30.8
Nov / -2°46105.96.10.0
Dec-2° / -6°4210.58.240.0

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 33% 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 51%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14555
24654
34654
44654
54654
64654
74753
84852
94852
104852
114951
124951
135149
145149
155149
165248
175248
185149
195149
205149
215149
225149
235149
245149
255149
265050
275050
285050
294951
304951
314852

Chance of precipitation in May

Any precipitationSnow

Kokkola gets around 48 mm of rain and snow over 9.5 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 30% and peaks near 32% on the wettest days, and about 0 day brings snow.

0%10%20%30%40%151015202531
Rain chance (%)Snow chance (%)
1254
2253
3263
4263
5273
6283
7283
8293
9293
10302
11302
12312
13312
14312
15322
16322
17322
18321
19321
20321
21321
22321
23321
24320
25310
26310
27310
28310
29310
30310
31310

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 99% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
110000
210000
310000
410000
510000
610000
710000
810000
910000
1010000
1110000
1210000
1310000
1410000
1510000
1610000
1710000
1810000
1910000
2010000
2110000
2210000
239910
249910
259910
269910
279910
289811
299721
309721
319721

Wind in May

Winds average 11 km/h in May.

Across May, daily wind ranges from about 11 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
111calm
211calm
311calm
411calm
511calm
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 May

DaylightNight

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

Days grow by about 180 minutes over May. Sunrise moves from 4:18 AM to 2:48 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)
116.24:188:32
216.34:148:35
316.54:118:38
416.64:088:41
516.74:048:44
616.84:018:47
716.93:588:50
817.03:548:54
917.13:518:57
1017.23:489:00
1117.33:459:03
1217.43:429:06
1317.53:389:09
1417.63:359:12
1517.73:329:15
1617.83:299:18
1717.93:269:21
1818.03:239:24
1918.13:209:27
2018.23:179:30
2118.33:149:33
2218.43:129:36
2318.53:099:39
2418.63:069:42
2518.73:039:45
2618.83:019:48
2718.92:589:51
2819.02:569:53
2919.02:539:56
3019.12:519:59
3119.22:4810:01

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.25 kWh/m².

For context, solar energy here swings from a low near 0.05 kWh/m² to a high of 5.71 kWh/m² in June across the year — May's 5.25 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
14.6Bright
24.7Bright
34.7Bright
44.8Bright
54.8Bright
64.8Bright
74.9Bright
85.0Bright
95.0Bright
105.0Bright
115.1Bright
125.1Bright
135.2Bright
145.2Bright
155.3Bright
165.3Bright
175.3Bright
185.4Bright
195.4Bright
205.4Bright
215.5Bright
225.5Bright
235.5Bright
245.5Bright
255.6Bright
265.6Bright
275.6Bright
285.6Bright
295.7Bright
305.7Bright
315.7Bright
Planning a trip in May

Is May a good time to visit Kokkola?

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

3.8
Sightseeing
4th-best month of the year
0.1
Beach & pool
5th-best month of the year

May is a weaker month for outdoor sightseeing in Kokkola.

What to pack for Kokkola in May

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

In May, Kokkola sees daytime highs around 13°C and nights near 4°C. Worth packing: a warm layer, rain gear and sun protection. About 10 days see rain.

a warm layerrain gearsun protection

Sea temperature near Kokkola 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 offshore 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
Sep12Bracing
Oct9Bracing
Nov5Bracing
Dec3Bracing

UV index in Kokkola 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 Kokkola peaks around July 15 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 15UV 4Jan 1UV 0
UV index (midday)Level
Jan0Low
Feb0Low
Mar1Low
Apr3Moderate
May4Moderate
Jun4Moderate
Jul5Moderate
Aug4Moderate
Sep2Low
Oct1Low
Nov0Low
Dec0Low
Location & terrain

Where is Kokkola?

Kokkola sits at 63.8°N, 23.1°E, 9 m above sea level, in Finland. The nearest listed city is Jakobstad, 28 km away.

YlivieskaKauhavaKorsholmVaasaRaaheSeinäjokiKurikka

Topography around Kokkola

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

Within 3 km, the terrain around Kokkola has only modest variations in elevation — a maximum elevation change of 28 m around an average of 10 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 61 m; within 80 km, only modest variations in elevation — a maximum elevation change of 195 m.

The land around Kokkola is covered by trees (59%) and artificial surfaces (24%) within 3 km, trees (50%) and water (31%) within 16 km, and trees (52%) and water (33%) within 80 km.

3 km
28 m
16 km
61 m
80 km
195 m
treesgrasslandcroplandartificial surfaceswaterwetland
May weather nearby: Jakobstad 28 km · Ylivieska 74 km · Kauhava 82 km · Korsholm 108 km · Vaasa 112 km · Raahe 114 km · Seinäjoki 117 km · Kurikka 140 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 Kokkola (63.8385°, 23.1307°, elevation 9 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).