Sondrio weather in January

In January, Sondrio sees average daytime highs of -3°C and overnight lows near -12°C, with 61 mm of precipitation across 7.9 wet days and about 8.8 hours of daylight. It is the 12th-warmest and 11th-wettest month of the year here.

Day-to-day highs hold fairly steady near -3°C through the month. The sky is clear or mostly clear about 44% of the time in January, and the air most often feels dry.

Daylight stretches from about 8 h 30 min at the start of January to 9 h 18 min by month's end. Set against the rest of the year, January is Sondrio's 1st-clearest and 1st-windiest month. For the whole year in context, see Sondrio's year-round climate.

Daytime high
-3°
12th warmest
Overnight low
-12°
1st coldest
Precipitation
61 mm
7.9 wet days
Daylight
8 h 48 min
8:06 AM – 4:54 PM
Cloud cover
49%
1st clearest
Wind
5 km/h
1st windiest
Solar energy
1.87 kWh/m²
Travel score
0.0
out of 10
Air quality
Elevated
PM2.5 16.5 µg/m³ · 2019

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

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near -3°C through the month.

A typical January day in Sondrio reaches about -3°C in the afternoon and slips back to -12°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 2°C. Set against its neighbours, January runs about 1°C cooler than December and about 2°C cooler than February.

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

How January really feels in Sondrio

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.

Sondrio weather by month

How January compares with the rest of the year at a glance. January is the 12th-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-3° / -12°617.98.58.80.0
Feb-1° / -10°517.88.7100.0
Mar / -5°729.58.611.60.0
Apr / -1°11313.8813.30.8
May12° / 14117.92.714.72.5
Jun16° / 14918.60.515.54.0
Jul18° / 14218.50.215.24.9
Aug18° / 14317.80.1144.8
Sep14° / 12412.70.912.33.7
Oct / 14011.93.910.71.8
Nov / -4°14211.48.89.20.1
Dec-1° / -10°789.39.58.50.0

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 44% of the time in January, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 13% of January, with mostly cloudy or overcast conditions the remaining 43%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15545
25545
35644
45644
55743
65743
75743
85743
95743
105743
115743
125743
135743
145743
155743
165842
175842
185842
195842
205842
215842
225842
235842
245743
255743
265743
275644
285644
295644
305644
315545

Chance of precipitation in January

Any precipitationSnow

Sondrio gets around 61 mm of rain and snow over 7.9 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 26% and peaks near 29% on the wettest days, and about 9 days bring snow.

0%10%20%30%40%151015202531
Rain chance (%)Snow chance (%)
12931
22931
32931
42930
52930
62830
72830
82830
92729
102729
112729
122629
132628
142628
152528
162528
172527
182427
192427
202426
212426
222426
232426
242426
252426
262426
272426
282527
292527
302527
312528

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 5 km/h in January, the windiest month of the year.

Across January, daily wind ranges from about 5 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
16calm
26calm
36calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm
315calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 8 h 30 min at the start of January to 9 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 48 minutes over January. Sunrise moves from 8:09 AM to 7:53 AM, and sunset from 4:38 PM to 5:14 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
18.58:094:38
28.58:094:39
38.58:094:40
48.58:094:41
58.58:094:42
68.68:094:43
78.68:094:44
88.68:094:45
98.68:084:46
108.68:084:47
118.78:084:48
128.78:074:49
138.78:074:50
148.78:074:52
158.88:064:53
168.88:064:54
178.88:054:55
188.98:054:56
198.98:044:58
208.98:034:59
219.08:035:00
229.08:025:02
239.08:015:03
249.18:005:04
259.17:595:06
269.17:585:07
279.27:585:09
289.27:575:10
299.37:565:11
309.37:555:13
319.37:535:14

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 1.87 kWh/m².

For context, solar energy here swings from a low near 1.5 kWh/m² to a high of 5.74 kWh/m² in June across the year — January's 1.87 kWh/m² sits near the bottom.

0123151015202531
Solar energy (kWh/m²)Level
11.6Dim
21.6Dim
31.6Dim
41.6Dim
51.6Dim
61.6Dim
71.6Dim
81.7Dim
91.7Dim
101.7Dim
111.7Dim
121.8Dim
131.8Dim
141.8Dim
151.8Dim
161.9Dim
171.9Dim
181.9Dim
191.9Dim
202.0Dim
212.0Dim
222.0Moderate
232.1Moderate
242.1Moderate
252.1Moderate
262.1Moderate
272.2Moderate
282.2Moderate
292.3Moderate
302.3Moderate
312.3Moderate
Planning a trip in January

Is January a good time to visit Sondrio?

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

0.0
Sightseeing
9th-best month of the year
0.0
Beach & pool
6th-best month of the year

January is a weaker month for outdoor sightseeing in Sondrio.

What to pack for Sondrio in January

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

In January, Sondrio sees daytime highs around -3°C and nights near -12°C. Pack a warm layer and a heavy coat. About 8 days see rain.

a warm layera heavy coat

UV index in Sondrio in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 1. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Sondrio peaks around July 15 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highModerateLowJul 15UV 9Dec 22UV 1
UV index (midday)Level
Jan1Low
Feb3Moderate
Mar5Moderate
Apr7High
May8Very high
Jun8Very high
Jul9Very high
Aug8Very high
Sep5Moderate
Oct4Moderate
Nov2Low
Dec1Low

Air quality in Sondrio in January

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where January falls, not just the annual average.

Air quality in Sondrio is worst in June — around 24 µg/m³ PM2.5 (moderate), about 2.3× the cleanest month (November, 10 µg/m³).

Seasonal pattern from CAMS reanalysis, scaled to Sondrio's WHO annual average of 16.5 µg/m³.

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodJun 1724 µg/m³Nov 1911 µg/m³
PM2.5 (µg/m³)Level
Jan14Moderate
Feb15Moderate
Mar20Moderate
Apr22Moderate
May19Moderate
Jun24Moderate
Jul20Moderate
Aug17Moderate
Sep14Moderate
Oct12Moderate
Nov10Good
Dec11Good
Location & terrain

Where is Sondrio?

Sondrio sits at 46.2°N, 9.9°E, 307 m above sea level, in Italy. The nearest listed city is St. Moritz, 37 km away.

ErbaSan Sebastiano

Topography around Sondrio

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

Within 3 km, the terrain around Sondrio has very significant variations in elevation — a maximum elevation change of 1,233 m around an average of 579 m above sea level; within 16 km, extreme variations in elevation — a maximum elevation change of 3,338 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,874 m.

The land around Sondrio is covered by trees (70%) within 3 km, trees (55%) and grassland (29%) within 16 km, and trees (49%) and grassland (27%) within 80 km.

3 km
1,233 m
16 km
3,338 m
80 km
3,874 m
treesgrasslandcroplandartificial surfacesbare terrainsnow and icewatermoss and lichen
January weather nearby: St. Moritz 37 km · Lecco 50 km · Bergamo 55 km · Seriate 55 km · Dalmine 61 km · Palazzolo sull'Oglio 64 km · Erba 64 km · San Sebastiano 65 km

Italy travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / F / L
230 V · 50 Hz
Prices
≈ 69% of US
price level, 2025
GDP per capita
$43,309
2025
Happiness
6.6 / 10
World Happiness, 2025
Safe drinking water
97%
of population, 2024
Homicide rate
0.6
per 100k, 2023
Road deaths
5.3
per 100k/yr, 2019
Income group
High
World Bank
English
Moderate
EF EPI 513
Religion
Christian 81%unaffiliated 13%Muslim 5%other 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 Sondrio (46.1685°, 9.8713°, elevation 307 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. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).