Siilinjärvi weather in April

In April, Siilinjärvi sees average daytime highs of 6°C and overnight lows near -2°C, with 35 mm of precipitation across 8.2 wet days and about 14.5 hours of daylight. It is the 6th-warmest and 10th-wettest month of the year here.

Highs climb over the month, from about 3°C in the first days to 9°C by the end. The sky is clear or mostly clear about 20% of the time in April, and the air most often feels dry.

Daylight stretches from about 12 h 54 min at the start of April to 16 hours by month's end. Set against the rest of the year, April is Siilinjärvi's 4th-clearest and 8th-windiest month. For the whole year in context, see Siilinjärvi's year-round climate.

Daytime high
6th warmest
Overnight low
-2°
6th coldest
Precipitation
35 mm
8.2 wet days
Daylight
14 h 30 min
4:54 AM – 7:25 PM
Cloud cover
70%
4th clearest
Wind
11 km/h
8th windiest
Solar energy
3.68 kWh/m²
Travel score
0.7
out of 10

Siilinjärvi is village in Siilinjärvi, Finland.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 3°C in the first days to 9°C by the end.

A typical April day in Siilinjärvi reaches about 6°C in the afternoon and slips back to -2°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 1°C and 12°C. Set against its neighbours, April runs about 7°C warmer than March and about 7°C cooler than May.

-10°10°20°151015202530
Avg high (°C)Avg low (°C)
13-5
23-5
33-4
44-4
54-4
64-4
74-4
84-3
95-3
105-3
115-3
125-3
135-2
146-2
156-2
166-2
176-2
187-1
197-1
207-1
218-1
228-1
2380
2480
2590
2690
2790
28100
29101
30101

How April really feels in Siilinjärvi

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.

Siilinjärvi weather by month

How April compares with the rest of the year at a glance. April is the 6th-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-6° / -11°4010.4125.40.0
Feb-5° / -11°348.59.88.10.0
Mar-0° / -7°339.19.411.20.0
Apr / -2°358.24.414.50.7
May13° / 53100.717.53.7
Jun18° / 10°7712.4019.65.4
Jul21° / 13°8913.6018.75.8
Aug19° / 11°8212.8015.95.5
Sep13° / 6511.60.112.73.3
Oct / 5911.92.79.40.6
Nov / -3°5511.886.40.0
Dec-3° / -7°5112.5124.40.0

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 20% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 12% of April, with mostly cloudy or overcast conditions the remaining 68%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
13466
23466
33367
43367
53367
63367
73268
83268
93169
103268
113169
123169
133169
143070
153070
163070
173070
182971
193070
203070
213070
223070
233070
243169
253268
263268
273268
283466
293466
303466

Chance of precipitation in April

Any precipitationSnow

Siilinjärvi gets around 35 mm of rain and snow over 8.2 wet days in April. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 28% and peaks near 29% on the wettest days, and about 4 days bring snow.

0%10%20%30%40%151015202530
Rain chance (%)Snow chance (%)
12925
22924
32823
42823
52822
62821
72820
82819
92818
102817
112817
122816
132816
142815
152815
162814
172814
182813
192813
202813
212812
222812
232811
242811
252710
262710
27279
28278
29278
30277

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 11 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
112calm
212calm
312calm
412calm
512calm
612calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm

Sunrise & sunset in April

DaylightNight

Daylight runs from about 12 h 54 min at the start of April to 16 hours by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 186 minutes over April. Sunrise moves from 5:46 AM to 4:07 AM, and sunset from 6:42 PM to 8:06 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.95:466:42
213.05:436:45
313.15:396:48
413.25:366:50
513.45:326:53
613.55:296:56
713.65:256:59
813.75:227:02
913.85:187:05
1013.95:157:08
1114.05:117:11
1214.15:087:13
1314.25:047:16
1414.35:017:19
1514.44:587:22
1614.54:547:25
1714.64:517:28
1814.74:477:31
1914.84:447:34
2014.94:417:37
2115.04:377:40
2215.14:347:43
2315.34:307:45
2415.44:277:48
2515.54:247:51
2615.64:207:54
2715.74:177:57
2815.84:148:00
2915.94:118:03
3016.04:078:06

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 3.68 kWh/m².

For context, solar energy here swings from a low near 0.07 kWh/m² to a high of 5.25 kWh/m² in June across the year — April's 3.68 kWh/m² falls in the middle.

012345151015202530
Solar energy (kWh/m²)Level
13.0Moderate
23.0Moderate
33.1Moderate
43.1Moderate
53.2Moderate
63.2Moderate
73.3Moderate
83.3Moderate
93.4Moderate
103.4Moderate
113.5Moderate
123.5Moderate
133.5Moderate
143.6Moderate
153.6Moderate
163.7Moderate
173.7Moderate
183.8Moderate
193.8Moderate
203.9Moderate
214.0Moderate
224.0Moderate
234.0Bright
244.1Bright
254.1Bright
264.2Bright
274.2Bright
284.3Bright
294.3Bright
304.3Bright
Planning a trip in April

Is April a good time to visit Siilinjärvi?

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

0.7
Sightseeing
6th-best month of the year
0.0
Beach & pool
6th-best month of the year

April is a weaker month for outdoor sightseeing in Siilinjärvi.

What to pack for Siilinjärvi in April

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

In April, Siilinjärvi sees daytime highs around 6°C and nights near -2°C. Pack a warm layer. Worth having: a heavy coat and rain gear. About 8 days see rain.

a warm layera heavy coatrain gear

UV index in Siilinjärvi 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 Siilinjärvi peaks around July 14 at about 5 (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 5Jan 1UV 0
UV index (midday)Level
Jan0Low
Feb0Low
Mar1Low
Apr3Moderate
May4Moderate
Jun4Moderate
Jul5Moderate
Aug4Moderate
Sep2Low
Oct1Low
Nov0Low
Dec0Low
Location & terrain

Where is Siilinjärvi?

Siilinjärvi sits at 63.1°N, 27.7°E, 83 m above sea level, in Finland. The nearest listed city is Kuopio, 21 km away.

VarkausPieksämäkiÄänekoskiLaukaaKontiolahtiJoensuu

Topography around Siilinjärvi

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

Within 3 km, the terrain around Siilinjärvi has only modest variations in elevation — a maximum elevation change of 97 m around an average of 104 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 283 m; within 80 km, significant variations in elevation — a maximum elevation change of 380 m.

The land around Siilinjärvi is covered by trees (61%) within 3 km, trees (58%) and water (21%) within 16 km, and trees (76%) within 80 km.

3 km
97 m
16 km
283 m
80 km
380 m
treesgrasslandcroplandartificial surfacesbare terrainwater
April weather nearby: Kuopio 21 km · Iisalmi 58 km · Varkaus 86 km · Pieksämäki 91 km · Äänekoski 112 km · Laukaa 115 km · Kontiolahti 116 km · Joensuu 119 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 Siilinjärvi (63.0833°, 27.6667°, elevation 83 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).