Iisalmi weather in January

In January, Iisalmi sees average daytime highs of -6°C and overnight lows near -11°C, with 39 mm of precipitation across 10.2 wet days and about 5.2 hours of daylight. It is the 12th-warmest and 9th-wettest month of the year here.

Highs ease over the month, from about -5°C in the first days to -7°C by the end. The sky is clear or mostly clear about 8% of the time in January, and the air most often feels dry.

Daylight stretches from about 4 h 06 min at the start of January to 6 h 30 min by month's end. Set against the rest of the year, January is Iisalmi's 10th-clearest and 2nd-windiest month. For the whole year in context, see Iisalmi's year-round climate.

Daytime high
-6°
12th warmest
Overnight low
-11°
2nd coldest
Precipitation
39 mm
10.2 wet days
Daylight
5 h 06 min
9:47 AM – 2:54 PM
Cloud cover
86%
10th clearest
Wind
12 km/h
2nd windiest
Solar energy
0.15 kWh/m²
Travel score
0.0
out of 10

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about -5°C in the first days to -7°C by the end.

A typical January day in Iisalmi reaches about -6°C in the afternoon and slips back to -11°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between -16°C and 1°C. Set against its neighbours, January runs about 3°C cooler than December and on par with February.

-30°-20°-10°151015202531
Avg high (°C)Avg low (°C)
1-5-10
2-5-10
3-5-10
4-5-10
5-5-10
6-5-10
7-5-10
8-5-10
9-5-10
10-5-10
11-5-10
12-5-11
13-5-11
14-6-11
15-6-11
16-6-11
17-6-11
18-6-11
19-6-11
20-6-12
21-6-12
22-6-12
23-7-12
24-7-12
25-7-12
26-7-12
27-7-13
28-7-13
29-7-13
30-7-13
31-7-13

How January really feels in Iisalmi

Once humidity and wind are folded in, January averages 0 days that feel above 32°C and 31 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
31
31 feel bitter (≤ -10°C)

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

Iisalmi weather by month

How January compares with the rest of the year at a glance. January is the 12th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-6° / -11°3910.211.85.20.0
Feb-5° / -12°338.710.180.0
Mar-0° / -8°349.29.811.20.0
Apr / -3°379.14.914.50.8
May14° / 5711.10.817.73.7
Jun18° / 7912.5019.85.4
Jul21° / 12°9313.9018.95.7
Aug19° / 10°7612.40165.5
Sep13° / 6411.20.112.73.3
Oct / 6111.83.49.40.5
Nov-0° / -4°5511.48.26.20.0
Dec-4° / -8°5112.312.24.20.0

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 8% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 7% of January, with mostly cloudy or overcast conditions the remaining 86%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11486
21486
31486
41486
51486
61486
71585
81585
91486
101486
111486
121585
131585
141585
151585
161585
171585
181486
191486
201486
211486
221486
231486
241486
251486
261486
271486
281684
291684
301684
311684

Chance of precipitation in January

Any precipitationSnow

Iisalmi gets around 39 mm of rain and snow over 10.2 wet days in January. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 34% and peaks near 36% on the wettest days, and about 12 days bring snow.

0%10%20%30%40%50%151015202531
Rain chance (%)Snow chance (%)
13638
23638
33638
43638
53638
63638
73639
83639
93639
103639
113640
123640
133640
143540
153539
163439
173439
183438
193338
203338
213238
223238
233138
243138
253138
263138
273138
283239
293239
303340
313340

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, January 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 (%)
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
31100

Wind in January

Winds average 12 km/h in January.

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

051015151015202531
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
1812light breeze
1912light breeze
2012light breeze
2112light breeze
2212light breeze
2312light breeze
2412light breeze
2512light breeze
2612light breeze
2712light breeze
2812light breeze
2912light breeze
3012light breeze
3112light breeze

Sunrise & sunset in January

DaylightNight

Daylight runs from about 4 h 06 min at the start of January to 6 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 144 minutes over January. Sunrise moves from 10:11 AM to 9:09 AM, and sunset from 2:18 PM to 3:40 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
14.110:112:18
24.210:102:20
34.210:092:22
44.310:082:24
54.310:062:26
64.410:052:28
74.410:042:30
84.510:022:33
94.610:002:35
104.69:592:38
114.79:572:40
124.89:552:43
134.99:532:46
145.09:512:48
155.09:492:51
165.19:472:54
175.29:452:57
185.39:433:00
195.49:403:03
205.59:383:06
215.69:363:09
225.69:333:12
235.79:313:15
245.89:283:18
255.99:253:21
266.09:233:24
276.19:203:27
286.29:173:31
296.39:153:34
306.49:123:37
316.59:093:40

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 0.15 kWh/m².

For context, solar energy here swings from a low near 0.05 kWh/m² to a high of 5.2 kWh/m² in June across the year — January's 0.15 kWh/m² sits near the bottom.

00.511.52151015202531
Solar energy (kWh/m²)Level
10.1Dim
20.1Dim
30.1Dim
40.1Dim
50.1Dim
60.1Dim
70.1Dim
80.1Dim
90.1Dim
100.1Dim
110.1Dim
120.1Dim
130.1Dim
140.1Dim
150.1Dim
160.1Dim
170.1Dim
180.2Dim
190.2Dim
200.2Dim
210.2Dim
220.2Dim
230.2Dim
240.2Dim
250.2Dim
260.3Dim
270.3Dim
280.3Dim
290.3Dim
300.3Dim
310.3Dim
Planning a trip in January

Is January a good time to visit Iisalmi?

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

0.0
Sightseeing
8th-best month of the year
0.0
Beach & pool
6th-best month of the year

January is a weaker month for outdoor sightseeing in Iisalmi.

What to pack for Iisalmi in January

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

In January, Iisalmi sees daytime highs around -6°C and nights near -11°C. Pack a warm layer and a heavy coat. Worth having: rain gear. About 10 days see rain.

a warm layera heavy coatrain gear

UV index in Iisalmi in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 0. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Iisalmi peaks around July 15 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 15UV 5Jan 1UV 0
UV index (midday)Level
Jan0Low
Feb0Low
Mar1Low
Apr3Moderate
May4Moderate
Jun4Moderate
Jul5Moderate
Aug4Moderate
Sep2Low
Oct1Low
Nov0Low
Dec0Low
Location & terrain

Where is Iisalmi?

Iisalmi sits at 63.6°N, 27.2°E, 108 m above sea level, in Finland. The nearest listed city is Siilinjärvi, 58 km away.

KuopioKajaaniÄänekoskiPieksämäkiLaukaaYlivieskaVarkaus

Topography around Iisalmi

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

Within 3 km, the terrain around Iisalmi has only modest variations in elevation — a maximum elevation change of 57 m around an average of 94 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 153 m; within 80 km, significant variations in elevation — a maximum elevation change of 423 m.

The land around Iisalmi is covered by trees (42%) and water (36%) within 3 km, trees (64%) within 16 km, and trees (78%) within 80 km.

3 km
57 m
16 km
153 m
80 km
423 m
treesgrasslandcroplandartificial surfaceswaterwetland
January weather nearby: Siilinjärvi 58 km · Kuopio 78 km · Kajaani 79 km · Äänekoski 129 km · Pieksämäki 140 km · Laukaa 142 km · Ylivieska 142 km · Varkaus 143 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 Iisalmi (63.5592°, 27.1907°, elevation 108 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).