Kaarina weather in April

In April, Kaarina sees average daytime highs of 9°C and overnight lows near -0°C, with 33 mm of precipitation across 8 wet days and about 14.2 hours of daylight. It is the 7th-warmest and 12th-wettest month of the year here.

Highs climb over the month, from about 6°C in the first days to 11°C by the end. The sky is clear or mostly clear about 26% of the time in April, and the air most often feels dry.

Daylight stretches from about 12 h 48 min at the start of April to 15 h 30 min by month's end. Set against the rest of the year, April is Kaarina's 5th-clearest and 8th-windiest month. For the whole year in context, see Kaarina's year-round climate.

Daytime high
7th warmest
Overnight low
-0°
6th coldest
Precipitation
33 mm
8 wet days
Daylight
14 h 12 min
5:24 AM – 7:38 PM
Cloud cover
64%
5th clearest
Wind
12 km/h
8th windiest
Solar energy
3.97 kWh/m²
Travel score
1.7
out of 10

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 6°C in the first days to 11°C by the end.

A typical April day in Kaarina reaches about 9°C in the afternoon and slips back to -0°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 4°C and 14°C. Set against its neighbours, April runs about 6°C warmer than March and about 6°C cooler than May.

-10°10°20°151015202530
Avg high (°C)Avg low (°C)
15-2
26-2
36-2
46-2
56-2
66-1
77-1
87-1
97-1
107-1
118-1
128-1
1380
1480
1580
1690
1790
1890
1990
20101
21101
22101
23101
24111
25111
26111
27112
28122
29122
30122

How April really feels in Kaarina

Once humidity and wind are folded in, April averages 0 days that feel above 32°C and 30 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
30
wind chill below the day's low

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

Kaarina weather by month

How April compares with the rest of the year at a glance. April is the 7th-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-1° / -6°4910.18.66.30.0
Feb-2° / -7°378.57.28.60.0
Mar / -5°368.25.711.30.0
Apr / -0°3381.814.21.7
May15° / 418.90.116.84.6
Jun19° / 6810.8018.55.9
Jul22° / 12°8512.3017.86.2
Aug20° / 11°8012.6015.46.0
Sep15° / 589.5012.64.5
Oct / 5910.40.69.71.6
Nov / -0°5510.93.47.10.0
Dec / -4°5611.66.85.50.0

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

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

Beyond those clear spells, partly cloudy skies cover about 15% of April, with mostly cloudy or overcast conditions the remaining 59%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14060
23961
33961
43961
53961
63862
73763
83763
93862
103862
113763
123862
133862
143961
153961
164159
174159
184258
194258
204258
214357
224357
234357
244456
254555
264555
274555
284753
294753
304753

Chance of precipitation in April

Any precipitationSnow

Kaarina gets around 33 mm of rain and snow over 8 wet days in April, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 27% and peaks near 28% on the wettest days, and about 2 days bring snow.

0%10%20%30%40%151015202530
Rain chance (%)Snow chance (%)
12612
22612
32711
42711
52710
6279
7289
8288
9288
10287
11287
12286
13286
14275
15275
16275
17265
18264
19264
20264
21264
22264
23264
24263
25263
26273
27273
28273
29273
30272

Humidity in April

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, April 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%151015202530
Dry (%)
1100
2100
3100
4100
5100
6100
7100
8100
9100
10100
11100
12100
13100
14100
15100
16100
17100
18100
19100
20100
21100
22100
23100
24100
25100
26100
27100
28100
29100
30100

Wind in April

Winds average 12 km/h in April.

Across April, daily wind ranges from about 11 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
112light breeze
212light breeze
312light breeze
412light breeze
512light breeze
612light breeze
712light breeze
812light breeze
912light breeze
1012light breeze
1112light breeze
1212light breeze
1312light breeze
1412light breeze
1512light breeze
1612light breeze
1712light breeze
1812calm
1912calm
2012calm
2112calm
2212calm
2312calm
2412calm
2512calm
2612calm
2712calm
2812calm
2911calm
3011calm

Sunrise & sunset in April

DaylightNight

Daylight runs from about 12 h 48 min at the start of April to 15 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 162 minutes over April. Sunrise moves from 6:10 AM to 4:42 AM, and sunset from 7:00 PM to 8:14 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.86:107:00
212.96:077:03
313.06:047:05
413.16:017:08
513.25:587:10
613.35:557:13
713.45:517:15
813.55:487:18
913.65:457:20
1013.75:427:23
1113.85:397:25
1213.95:367:28
1314.05:337:30
1414.15:307:33
1514.15:277:35
1614.25:247:38
1714.35:217:40
1814.45:177:43
1914.55:147:46
2014.65:117:48
2114.75:087:51
2214.85:057:53
2314.95:027:56
2415.05:007:58
2515.14:578:01
2615.24:548:03
2715.34:518:06
2815.34:488:08
2915.44:458:11
3015.54:428:14

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 3.97 kWh/m².

For context, solar energy here swings from a low near 0.15 kWh/m² to a high of 5.89 kWh/m² in June across the year — April's 3.97 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
13.2Moderate
23.2Moderate
33.3Moderate
43.3Moderate
53.3Moderate
63.4Moderate
73.4Moderate
83.5Moderate
93.5Moderate
103.6Moderate
113.7Moderate
123.7Moderate
133.8Moderate
143.9Moderate
153.9Moderate
164.0Moderate
174.0Bright
184.1Bright
194.2Bright
204.3Bright
214.3Bright
224.4Bright
234.5Bright
244.5Bright
254.6Bright
264.7Bright
274.7Bright
284.8Bright
294.8Bright
304.9Bright
Planning a trip in April

Is April a good time to visit Kaarina?

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

1.7
Sightseeing
6th-best month of the year
0.0
Beach & pool
7th-best month of the year

April is a weaker month for outdoor sightseeing in Kaarina.

What to pack for Kaarina in April

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

In April, Kaarina sees daytime highs around 9°C and nights near -0°C. Pack a warm layer. Worth having: rain gear. About 8 days see rain.

a warm layerrain gear

Sea temperature near Kaarina in April

The nearest coast averages about 2°C in April — 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 March 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
Jun12Bracing
Jul16Cool
Aug17Cool
Sep14Bracing
Oct10Bracing
Nov7Bracing
Dec5Bracing

UV index in Kaarina in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 3. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Kaarina peaks around June 17 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 17UV 5Jan 1UV 0
UV index (midday)Level
Jan0Low
Feb1Low
Mar2Low
Apr3Moderate
May4Moderate
Jun5High
Jul5Moderate
Aug4Moderate
Sep2Moderate
Oct1Low
Nov0Low
Dec0Low
Location & terrain

Where is Kaarina?

Kaarina sits at 60.4°N, 22.4°E, 31 m above sea level, in Finland. The nearest listed city is Turku, 7.0 km away.

Raseborg

Topography around Kaarina

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

Within 3 km, the terrain around Kaarina has only modest variations in elevation — a maximum elevation change of 60 m around an average of 27 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 191 m; within 80 km, significant variations in elevation — a maximum elevation change of 276 m.

The land around Kaarina is covered by trees (58%) within 3 km, trees (51%) within 16 km, and trees (46%) and water (36%) within 80 km.

3 km
60 m
16 km
191 m
80 km
276 m
treesgrasslandcroplandartificial surfaceswaterwetland
April weather nearby: Turku 7.0 km · Väståboland 13 km · Lieto 13 km · Raisio 14 km · Naantali 20 km · Salo 42 km · Loimaa 62 km · Raseborg 76 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 Kaarina (60.4072°, 22.369°, elevation 31 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).