Saronno weather in January

In January, Saronno sees average daytime highs of 7°C and overnight lows near 1°C, with 64 mm of precipitation across 6.6 wet days and about 8.9 hours of daylight. It is the 12th-warmest and 11th-wettest month of the year here.

Day-to-day highs hold fairly steady near 7°C through the month. The sky is clear or mostly clear about 46% of the time in January, and the air most often feels dry.

Daylight stretches from about 8 h 36 min at the start of January to 9 h 24 min by month's end. Set against the rest of the year, January is Saronno's 3rd-clearest and 9th-windiest month. For the whole year in context, see Saronno's year-round climate.

Daytime high
12th warmest
Overnight low
1st coldest
Precipitation
64 mm
6.6 wet days
Daylight
8 h 54 min
8:07 AM – 4:59 PM
Cloud cover
50%
3rd clearest
Wind
6 km/h
9th windiest
Solar energy
1.52 kWh/m²
Travel score
0.9
out of 10

Saronno is chief town of the homonym municipality.

Air quality
Elevated
PM2.5 16.8 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 7°C through the month.

A typical January day in Saronno reaches about 7°C in the afternoon and slips back to 1°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 3°C and 10°C. Set against its neighbours, January runs on par with December and about 2°C cooler than February.

-5°10°15°151015202531
Avg high (°C)Avg low (°C)
161
261
361
461
561
671
771
871
971
1071
1171
1271
1371
1471
1571
1671
1771
1871
1971
2071
2171
2271
2371
2471
2571
2671
2771
2871
2971
3071
3171

How January really feels in Saronno

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
wind chill below the day's low

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

Saronno 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 / 646.63.18.90.9
Feb / 646.92.610.11.8
Mar13° / 838.41.311.63.9
Apr17° / 12212.10.413.35.0
May21° / 13°13713.5014.76.0
Jun25° / 17°14312.9015.46.4
Jul27° / 19°11211.3015.16.5
Aug27° / 19°14612.4013.96.5
Sep22° / 15°15510.4012.36.6
Oct16° / 11°16110.7010.75.1
Nov11° / 17210.60.89.32.7
Dec / 787.32.68.61.1

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 46% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 11% of January, with mostly cloudy or overcast conditions the remaining 43%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15644
25644
35644
45644
55644
65545
75545
85644
95644
105644
115644
125644
135743
145743
155743
165743
175842
185842
195842
205842
215842
225842
235842
245842
255743
265743
275743
285545
295545
305545
315545

Chance of precipitation in January

Any precipitationSnow

Saronno gets around 64 mm of rain and snow over 6.6 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 22% and peaks near 24% on the wettest days, and about 3 days bring snow.

0%10%20%30%151015202531
Rain chance (%)Snow chance (%)
12411
22411
32411
42411
52411
62410
72410
82410
92310
10239
11239
12239
13229
14229
15229
16219
17219
18209
19209
20209
21209
221910
231910
241910
252010
262010
272010
282110
292110
302210
312210

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 6 km/h in January.

Across January, daily wind ranges from about 6 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
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 8 h 36 min at the start of January to 9 h 24 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 8:10 AM to 7:55 AM, and sunset from 4:44 PM to 5:19 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
18.68:104:44
28.68:104:45
38.68:104:45
48.68:104:46
58.68:104:47
68.68:104:48
78.78:104:49
88.78:104:50
98.78:104:51
108.78:094:52
118.78:094:53
128.88:094:55
138.88:084:56
148.88:084:57
158.88:084:58
168.98:074:59
178.98:075:00
188.98:065:02
199.08:055:03
209.08:055:04
219.08:045:05
229.18:035:07
239.18:035:08
249.18:025:09
259.28:015:11
269.28:005:12
279.27:595:14
289.37:585:15
299.37:575:16
309.47:565:18
319.47:555:19

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 1.52 kWh/m².

For context, solar energy here swings from a low near 1.23 kWh/m² to a high of 6.16 kWh/m² in July across the year — January's 1.52 kWh/m² sits near the bottom.

00.511.522.5151015202531
Solar energy (kWh/m²)Level
11.3Dim
21.3Dim
31.3Dim
41.3Dim
51.3Dim
61.3Dim
71.3Dim
81.3Dim
91.4Dim
101.4Dim
111.4Dim
121.4Dim
131.4Dim
141.4Dim
151.5Dim
161.5Dim
171.5Dim
181.5Dim
191.6Dim
201.6Dim
211.6Dim
221.6Dim
231.7Dim
241.7Dim
251.7Dim
261.8Dim
271.8Dim
281.8Dim
291.9Dim
301.9Dim
311.9Dim
Planning a trip in January

Is January a good time to visit Saronno?

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

0.9
Sightseeing
12th-best month of the year
0.0
Beach & pool
10th-best month of the year

January is a weaker month for outdoor sightseeing in Saronno.

What to pack for Saronno in January

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

In January, Saronno sees daytime highs around 7°C and nights near 1°C. Pack a warm layer. Worth having: a heavy coat. About 7 days see rain.

a warm layera heavy coat

UV index in Saronno 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 Saronno peaks around July 15 at about 8 (very high) — sunscreen and a hat are worth it in the middle of the day. 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 highHighModerateLowJul 15UV 8Dec 22UV 1
UV index (midday)Level
Jan1Low
Feb2Moderate
Mar4Moderate
Apr6High
May7High
Jun7Very high
Jul8Very high
Aug7High
Sep5Moderate
Oct3Moderate
Nov2Low
Dec1Low

Air quality in Saronno 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 Saronno is worst in March — around 21 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

Seasonal pattern from CAMS reanalysis, scaled to Saronno's WHO annual average of 16.8 µg/m³.

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateMar 2221 µg/m³Nov 1414 µg/m³
PM2.5 (µg/m³)Level
Jan18Moderate
Feb17Moderate
Mar21Moderate
Apr20Moderate
May17Moderate
Jun20Moderate
Jul17Moderate
Aug15Moderate
Sep15Moderate
Oct14Moderate
Nov14Moderate
Dec15Moderate
Location & terrain

Where is Saronno?

Saronno sits at 45.6°N, 9.0°E, 212 m above sea level, in Italy. The nearest listed city is Caronno Pertusella, 3.0 km away.

Topography around Saronno

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

Within 3 km, the terrain around Saronno has only modest variations in elevation — a maximum elevation change of 52 m around an average of 215 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 296 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,866 m.

The land around Saronno is covered by artificial surfaces (40%) and cropland (31%) within 3 km, artificial surfaces (38%) and trees (31%) within 16 km, and trees (42%) and cropland (31%) within 80 km.

3 km
52 m
16 km
296 m
80 km
2,866 m
treesgrasslandcroplandartificial surfaceswater
January weather nearby: Caronno Pertusella 3.0 km · Lainate 6.0 km · Garbagnate Milanese 6.0 km · Limbiate 8.0 km · Seveso 9.0 km · Arese 9.0 km · Senago 9.0 km · Nerviano 9.0 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 Saronno (45.6251°, 9.0352°, elevation 212 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).