Melzo weather in December

In December, Melzo sees average daytime highs of 7°C and overnight lows near 1°C, with 71 mm of precipitation across 7.7 wet days and about 8.6 hours of daylight. It is the 11th-warmest and 9th-wettest month of the year here.

Highs ease over the month, from about 9°C in the first days to 7°C by the end. The sky is clear or mostly clear about 37% of the time in December, and the air most often feels dry.

Daylight stretches from about 8 h 48 min at the start of December to 8 h 36 min by month's end. Set against the rest of the year, December is Melzo's 9th-clearest and 12th-windiest month. For the whole year in context, see Melzo's year-round climate.

Daytime high
11th warmest
Overnight low
2nd coldest
Precipitation
71 mm
7.7 wet days
Daylight
8 h 30 min
8:03 AM – 4:34 PM
Cloud cover
56%
9th clearest
Wind
5 km/h
12th windiest
Solar energy
1.23 kWh/m²
Travel score
1.2
out of 10

Melzo is chief town of the homonym municipality.

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

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 9°C in the first days to 7°C by the end.

A typical December day in Melzo 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 4°C and 11°C. Set against its neighbours, December runs about 4°C cooler than November and on par with January.

-5°10°15°151015202531
Avg high (°C)Avg low (°C)
193
293
392
482
582
682
782
882
982
1081
1181
1281
1381
1471
1571
1671
1771
1871
1971
2071
2171
2270
2370
2470
2570
2670
2770
2870
2970
3070
3170

How December really feels in Melzo

Once humidity and wind are folded in, December averages 0 days that feel above 32°C and 5 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
5
wind chill below the day's low

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

Melzo weather by month

How December compares with the rest of the year at a glance. December is the 11th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 556.61.58.91.1
Feb / 556.71.710.12.2
Mar14° / 698.50.911.64.4
Apr18° / 8911.80.113.25.6
May22° / 13°10012.2014.76.4
Jun27° / 17°9311.2015.46.4
Jul29° / 19°739.6015.15.7
Aug29° / 19°9110.4013.95.9
Sep24° / 15°1069.7012.36.9
Oct18° / 10°11210.3010.75.6
Nov12° / 12410.80.59.32.9
Dec / 717.71.78.61.2

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 37% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 13% of December, with mostly cloudy or overcast conditions the remaining 50%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14654
24654
34753
44852
54753
64852
75050
85050
95050
105149
115149
125248
135248
145149
155248
165149
175149
185050
195050
205050
215050
224951
234951
244951
254951
265050
275050
285149
295149
305149
315248

Chance of precipitation in December

Any precipitationSnow

Melzo gets around 71 mm of rain and snow over 7.7 wet days in December. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 25% and peaks near 30% on the wettest days, and about 2 days bring snow.

0%10%20%30%40%151015202531
Rain chance (%)Snow chance (%)
1305
2295
3285
4285
5275
6265
7265
8255
9245
10245
11245
12235
13235
14235
15235
16235
17245
18245
19246
20246
21256
22256
23256
24256
25256
26256
27256
28256
29256
30256
31256

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December 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 December

Winds average 5 km/h in December, the calmest month.

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

0246810151015202531
Wind speed (km/h)Feels
15calm
25calm
35calm
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 December

DaylightNight

Daylight runs from about 8 h 48 min at the start of December to 8 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 12 minutes over December. Sunrise moves from 7:49 AM to 8:09 AM, and sunset from 4:35 PM to 4:42 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
18.87:494:35
28.87:504:35
38.77:514:35
48.77:524:34
58.77:534:34
68.77:544:34
78.67:554:34
88.67:564:34
98.67:574:34
108.67:584:34
118.67:594:34
128.68:004:34
138.68:004:34
148.58:014:34
158.58:024:34
168.58:034:34
178.58:034:35
188.58:044:35
198.58:044:35
208.58:054:36
218.58:064:36
228.58:064:37
238.58:064:37
248.58:074:38
258.58:074:38
268.58:084:39
278.58:084:39
288.58:084:40
298.58:084:41
308.58:094:41
318.68:094:42

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 1.23 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 1.23 kWh/m² to a high of 6.32 kWh/m² in July across the year — December's 1.23 kWh/m² sits near the bottom.

00.511.52151015202531
Solar energy (kWh/m²)Level
11.3Dim
21.3Dim
31.3Dim
41.3Dim
51.3Dim
61.3Dim
71.3Dim
81.3Dim
91.3Dim
101.3Dim
111.3Dim
121.3Dim
131.2Dim
141.2Dim
151.2Dim
161.2Dim
171.2Dim
181.2Dim
191.2Dim
201.2Dim
211.2Dim
221.2Dim
231.2Dim
241.2Dim
251.2Dim
261.2Dim
271.2Dim
281.2Dim
291.3Dim
301.3Dim
311.3Dim
Planning a trip in December

Is December a good time to visit Melzo?

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

1.2
Sightseeing
11th-best month of the year
0.0
Beach & pool
10th-best month of the year

December is a weaker month for outdoor sightseeing in Melzo.

What to pack for Melzo in December

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

In December, Melzo sees daytime highs around 7°C and nights near 1°C. Pack a warm layer. Worth having: a heavy coat. About 8 days see rain.

a warm layera heavy coat

UV index in Melzo in December

LowModerateHighVery highExtreme

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

Under clear skies, the midday UV index in Melzo 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 Melzo in December

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Melzo is worst in March — around 23 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateMar 2122 µg/m³Sep 1315 µg/m³
PM2.5 (µg/m³)Level
Jan20Moderate
Feb19Moderate
Mar23Moderate
Apr22Moderate
May18Moderate
Jun20Moderate
Jul17Moderate
Aug16Moderate
Sep15Moderate
Oct16Moderate
Nov15Moderate
Dec17Moderate
Location & terrain

Where is Melzo?

Melzo sits at 45.5°N, 9.4°E, 118 m above sea level, in Italy. The nearest listed city is Gorgonzola, 4.0 km away.

Topography around Melzo

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

Within 3 km, the terrain around Melzo has only modest variations in elevation — a maximum elevation change of 36 m around an average of 117 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 181 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,972 m.

The land around Melzo is covered by cropland (38%), artificial surfaces (26%) and grassland (20%) within 3 km, cropland (35%), artificial surfaces (26%) and grassland (22%) within 16 km, and cropland (37%) and trees (35%) within 80 km.

3 km
36 m
16 km
181 m
80 km
2,972 m
treesgrasslandcroplandartificial surfaceswater
December weather nearby: Gorgonzola 4.0 km · Pioltello 7.0 km · Cernusco sul Naviglio 7.0 km · Cassano d'Adda 8.0 km · Carugate 8.0 km · Segrate 10 km · Vimodrone 11 km · Brugherio 11 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 Melzo (45.4981°, 9.4204°, elevation 118 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).