Asti weather in December

In December, Asti sees average daytime highs of 7°C and overnight lows near 1°C, with 65 mm of precipitation across 7 wet days and about 8.7 hours of daylight. It is the 11th-warmest and 10th-wettest month of the year here.

Highs ease over the month, from about 8°C in the first days to 6°C by the end. The sky is clear or mostly clear about 35% 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 Asti's 10th-clearest and 11th-windiest month. For the whole year in context, see Asti's year-round climate.

Daytime high
11th warmest
Overnight low
2nd coldest
Precipitation
65 mm
7 wet days
Daylight
8 h 36 min
8:05 AM – 4:42 PM
Cloud cover
59%
10th clearest
Wind
5 km/h
11th windiest
Solar energy
1.25 kWh/m²
Travel score
1.0
out of 10

Asti is location in Italy.

Air quality
Good
PM10 29.7 µg/m³ · 2019

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 8°C in the first days to 6°C by the end.

A typical December day in Asti reaches about 7°C in the afternoon and slips back to 1°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 3°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)
192
282
382
482
582
681
781
881
981
1071
1171
1271
1371
1471
1570
1670
1770
1870
1970
2070
2170
2260
2360
2460
2560
2660
2760
2860
2960
3060
3160

How December really feels in Asti

Once humidity and wind are folded in, December averages 0 days that feel above 32°C and 27 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
27
wind chill below the day's low

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

Asti weather by month

How December compares with the rest of the year at a glance. December is the 11th-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -0°576.53.190.8
Feb / 586.12.310.12.1
Mar14° / 677.60.911.64.5
Apr18° / 9411.20.113.25.6
May22° / 13°11413.4014.66.2
Jun26° / 17°10612.1015.36.3
Jul29° / 19°8311.1015.15.6
Aug28° / 19°10812013.95.8
Sep24° / 15°11110012.36.9
Oct18° / 10°1079.3010.75.6
Nov11° / 1249.20.69.42.9
Dec / 6572.68.71.0

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 35% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 11% of December, with mostly cloudy or overcast conditions the remaining 54%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14258
24456
34456
44555
54555
64555
74555
84654
94753
104753
114753
124753
134753
144753
154753
164753
174753
184654
194654
204555
214555
224555
234555
244555
254555
264753
274753
284753
294753
304753
314753

Chance of precipitation in December

Any precipitationSnow

Asti gets around 65 mm of rain and snow over 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 23% and peaks near 26% on the wettest days, and about 3 days bring snow.

0%10%20%30%40%151015202531
Rain chance (%)Snow chance (%)
1266
2266
3257
4257
5247
6247
7238
8238
9238
10228
11228
12228
13229
14229
15229
16229
17229
18229
19229
20229
21229
22229
23229
24229
25229
26229
272210
282210
292210
302210
312210

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.

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 7:52 AM to 8:11 AM, and sunset from 4:42 PM to 4:49 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
18.87:524:42
28.87:534:42
38.87:544:42
48.87:554:41
58.87:564:41
68.77:574:41
78.77:584:41
88.77:594:41
98.78:004:41
108.78:004:41
118.78:014:41
128.68:024:41
138.68:034:41
148.68:044:41
158.68:044:41
168.68:054:42
178.68:064:42
188.68:064:42
198.68:074:42
208.68:084:43
218.68:084:43
228.68:094:44
238.68:094:44
248.68:094:45
258.68:104:45
268.68:104:46
278.68:104:47
288.68:114:47
298.68:114:48
308.68:114:49
318.68:114:49

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 1.25 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 1.25 kWh/m² to a high of 6.34 kWh/m² in July across the year — December's 1.25 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
131.3Dim
141.3Dim
151.3Dim
161.3Dim
171.2Dim
181.2Dim
191.2Dim
201.2Dim
211.2Dim
221.2Dim
231.3Dim
241.3Dim
251.3Dim
261.3Dim
271.3Dim
281.3Dim
291.3Dim
301.3Dim
311.3Dim
Planning a trip in December

Is December a good time to visit Asti?

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

1.0
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 Asti.

What to pack for Asti in December

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

In December, Asti 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

Sea temperature near Asti in December

The nearest coast averages about 16°C in December — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 67 km away) is warmest in August at about 25°C and coldest in February near 13°C.

It's comfortable for a long swim from Jun 3 to Oct 19 — about 4.6 months when the water holds above 20°C.

10°15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan14Bracing
Feb13Bracing
Mar14Bracing
Apr15Bracing
May18Cool
Jun22Refreshing
Jul24Warm
Aug25Warm
Sep23Refreshing
Oct20Refreshing
Nov18Cool
Dec16Cool

UV index in Asti 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 Asti peaks around July 14 at about 8 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 1 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 14UV 8Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb2Moderate
Mar4Moderate
Apr7High
May6High
Jun8Very high
Jul8Very high
Aug7High
Sep5Moderate
Oct3Moderate
Nov2Low
Dec1Low

Air quality in Asti 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 Asti is worst in January — around 25 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateMar 1724 µg/m³Aug 1317 µg/m³
PM2.5 (µg/m³)Level
Jan25Moderate
Feb22Moderate
Mar25Moderate
Apr22Moderate
May19Moderate
Jun20Moderate
Jul17Moderate
Aug17Moderate
Sep17Moderate
Oct19Moderate
Nov18Moderate
Dec20Moderate
Location & terrain

Where is Asti?

Asti sits at 44.9°N, 8.2°E, 123 m above sea level, in Italy. The nearest listed city is Alba, 26 km away.

Topography around Asti

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

Within 3 km, the terrain around Asti has only modest variations in elevation — a maximum elevation change of 124 m around an average of 132 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 257 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,572 m.

The land around Asti is covered by artificial surfaces (32%), trees (28%) and cropland (21%) within 3 km, trees (48%), cropland (25%) and grassland (22%) within 16 km, and trees (44%) and cropland (35%) within 80 km.

3 km
124 m
16 km
257 m
80 km
2,572 m
treesgrasslandcroplandartificial surfaceswater
December weather nearby: Alba 26 km · Alessandria 32 km · Casale Monferrato 32 km · Acqui Terme 33 km · Chieri 33 km · Bra 36 km · Valenza 36 km · Carmagnola 39 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 Asti (44.9016°, 8.2075°, elevation 123 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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).