Sondrio weather in October

In October, Sondrio sees average daytime highs of 9°C and overnight lows near 1°C, with 140 mm of precipitation across 11.9 wet days and about 10.7 hours of daylight. It is the 6th-warmest and 6th-wettest month of the year here.

Highs ease over the month, from about 11°C in the first days to 7°C by the end. The sky is clear or mostly clear about 32% of the time in October, and the air most often feels dry.

Daylight stretches from about 11 h 30 min at the start of October to 9 h 54 min by month's end. Set against the rest of the year, October is Sondrio's 9th-clearest and 10th-windiest month. For the whole year in context, see Sondrio's year-round climate.

Daytime high
6th warmest
Overnight low
7th coldest
Precipitation
140 mm
11.9 wet days
Daylight
10 h 42 min
6:46 AM – 5:25 PM
Cloud cover
61%
9th clearest
Wind
4 km/h
10th windiest
Solar energy
2.61 kWh/m²
Travel score
1.8
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 October

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 11°C in the first days to 7°C by the end.

A typical October day in Sondrio reaches about 9°C in the afternoon and slips back to 1°C overnight — a 8°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, October runs about 5°C cooler than September and about 6°C warmer than November.

-10°10°20°151015202531
Avg high (°C)Avg low (°C)
1113
2113
3113
4113
5113
6113
7113
8102
9102
10102
11102
12102
13102
1491
1591
1691
1791
1891
1991
2081
2180
2280
2380
2480
2580
2680
2780
2870
297-1
307-1
317-1

How October really feels in Sondrio

Once humidity and wind are folded in, October averages 0 days that feel above 32°C and 8 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
8
wind chill below the day's low

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

Sondrio weather by month

How October compares with the rest of the year at a glance. October is the 6th-warmest and 6th-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 October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 32% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 12% of October, with mostly cloudy or overcast conditions the remaining 56%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14060
24060
34060
43961
54060
64060
74060
84159
94258
104258
114357
124357
134357
144456
154456
164555
174555
184654
194654
204654
214654
224852
234852
244852
254852
264852
274852
284852
294852
304852
314753

Chance of precipitation in October

Any precipitationSnow

Sondrio gets around 140 mm of rain and snow over 11.9 wet days in October. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 38% and peaks near 44% on the wettest days, and about 4 days bring snow. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)Snow chance (%)
1439
2439
3439
44410
54310
64310
74310
84211
94211
104111
114111
124011
133912
143912
153812
163712
173612
183613
193513
203513
213514
223414
233414
243415
253515
263515
273516
283616
293617
303718
313718

Humidity in October

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, October 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 October

Winds average 4 km/h in October.

Across October, daily wind ranges from about 4 km/h on the calmest days to 4 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
14calm
24calm
34calm
44calm
54calm
64calm
74calm
84calm
94calm
104calm
114calm
124calm
134calm
144calm
154calm
164calm
174calm
184calm
194calm
204calm
214calm
224calm
234calm
244calm
254calm
264calm
274calm
284calm
294calm
304calm
314calm

Sunrise & sunset in October

DaylightNight

Daylight runs from about 11 h 30 min at the start of October to 9 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 96 minutes over October. Sunrise moves from 6:25 AM to 7:07 AM, and sunset from 5:54 PM to 5:01 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.56:255:54
211.46:265:52
311.46:285:50
411.36:295:48
511.36:305:46
611.26:325:44
711.26:335:42
811.16:355:40
911.06:365:38
1011.06:375:36
1110.96:395:35
1210.96:405:33
1310.86:415:31
1410.86:435:29
1510.76:445:27
1610.76:465:25
1710.66:475:24
1810.66:495:22
1910.56:505:20
2010.46:515:18
2110.46:535:17
2210.36:545:15
2310.36:565:13
2410.26:575:12
2510.26:595:10
2610.17:005:08
2710.17:015:07
2810.07:035:05
2910.07:045:04
309.97:065:02
319.97:075:01

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 2.61 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 — October's 2.61 kWh/m² falls in the middle.

01234151015202531
Solar energy (kWh/m²)Level
13.1Moderate
23.0Moderate
33.0Moderate
43.0Moderate
52.9Moderate
62.9Moderate
72.9Moderate
82.9Moderate
92.8Moderate
102.8Moderate
112.8Moderate
122.8Moderate
132.7Moderate
142.7Moderate
152.7Moderate
162.6Moderate
172.6Moderate
182.6Moderate
192.5Moderate
202.5Moderate
212.5Moderate
222.5Moderate
232.4Moderate
242.4Moderate
252.4Moderate
262.3Moderate
272.3Moderate
282.3Moderate
292.2Moderate
302.2Moderate
312.1Moderate
Planning a trip in October

Is October a good time to visit Sondrio?

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

1.8
Sightseeing
6th-best month of the year
0.0
Beach & pool
6th-best month of the year

October is a weaker month for outdoor sightseeing in Sondrio.

What to pack for Sondrio in October

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

In October, Sondrio sees daytime highs around 9°C and nights near 1°C. Pack a warm layer. Worth having: rain gear. About 12 days see rain.

a warm layerrain gear

UV index in Sondrio in October

LowModerateHighVery highExtreme

Clear-sky midday UV in October 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 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 October

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where October 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
October 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).