Caltanissetta weather in December

In December, Caltanissetta sees average daytime highs of 13°C and overnight lows near 5°C, with 51 mm of precipitation across 7.9 wet days and about 9.5 hours of daylight. It is the 10th-warmest and 5th-wettest month of the year here.

Highs ease over the month, from about 15°C in the first days to 12°C by the end. The sky is clear or mostly clear about 34% of the time in December, and the air most often feels dry.

Daylight stretches from about 9 h 36 min at the start of December to 9 h 24 min by month's end. Set against the rest of the year, December is Caltanissetta's 12th-clearest and 4th-windiest month. For the whole year in context, see Caltanissetta's year-round climate.

Daytime high
13°
10th warmest
Overnight low
4th coldest
Precipitation
51 mm
7.9 wet days
Daylight
9 h 24 min
7:17 AM – 4:43 PM
Cloud cover
54%
12th clearest
Wind
9 km/h
4th windiest
Solar energy
2.08 kWh/m²
Travel score
4.1
out of 10

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 15°C in the first days to 12°C by the end.

A typical December day in Caltanissetta reaches about 13°C in the afternoon and slips back to 5°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 10°C and 16°C. Set against its neighbours, December runs about 4°C cooler than November and about 1°C warmer than January.

-5°10°15°20°151015202531
Avg high (°C)Avg low (°C)
1156
2156
3156
4146
5146
6146
7146
8146
9146
10145
11145
12145
13145
14135
15135
16135
17135
18135
19135
20135
21135
22135
23134
24134
25134
26134
27134
28134
29124
30124
31124

Caltanissetta weather by month

How December compares with the rest of the year at a glance. December is the 10th-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan12° / 5389.73.5
Feb13° / 538.110.63.6
Mar15° / 498.611.74.7
Apr18° / 478.312.96.1
May23° / 12°254.6147.9
Jun27° / 16°173.314.57.7
Jul30° / 18°5114.36.6
Aug30° / 19°112.413.46.3
Sep26° / 16°375.812.37.6
Oct22° / 13°627.4117.4
Nov17° / 568.1105.9
Dec13° / 517.99.54.1

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 34% of the time in December, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 24% of December, with mostly cloudy or overcast conditions the remaining 43%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15743
25842
35842
45842
55941
65941
75941
85941
95941
105941
115941
125842
135842
145842
155842
165842
175644
185644
195644
205644
215545
225545
235545
245545
255644
265644
275644
285743
295743
305743
315842

Chance of precipitation in December

Any precipitation

Caltanissetta gets around 51 mm of rain and snow over 7.9 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 28% on the wettest days, and about 0 day brings snow.

0%10%20%30%40%151015202531
Rain chance (%)
126
226
326
425
525
624
724
823
923
1023
1123
1223
1323
1423
1523
1623
1724
1824
1924
2025
2126
2226
2327
2427
2527
2628
2728
2827
2927
3027
3126

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 (%)Comfortable (%)
1982
2982
3982
4982
5991
6991
7991
8991
9991
10991
111000
121000
131000
141000
151000
161000
171000
181000
191000
201000
211000
221000
231000
241000
251000
261000
271000
281000
291000
301000
311000

Wind in December

Winds average 9 km/h in December.

Across December, daily wind ranges from about 9 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm
3110calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 9 h 36 min at the start of December to 9 h 24 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 7:05 AM to 7:24 AM, and sunset from 4:42 PM to 4:50 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.67:054:42
29.67:064:41
39.67:074:41
49.67:084:41
59.57:094:41
69.57:104:41
79.57:114:41
89.57:114:41
99.57:124:41
109.57:134:41
119.57:144:42
129.57:144:42
139.47:154:42
149.47:164:42
159.47:164:42
169.47:174:43
179.47:184:43
189.47:184:43
199.47:194:44
209.47:194:44
219.47:204:45
229.47:204:45
239.47:214:46
249.47:214:46
259.47:224:47
269.47:224:47
279.47:224:48
289.47:234:48
299.47:234:49
309.47:234:50
319.47:244:50

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 2.08 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 2.08 kWh/m² to a high of 7.6 kWh/m² in July across the year — December's 2.08 kWh/m² sits near the bottom.

0123151015202531
Solar energy (kWh/m²)Level
12.2Moderate
22.2Moderate
32.1Moderate
42.1Moderate
52.1Moderate
62.1Moderate
72.1Moderate
82.1Moderate
92.1Moderate
102.1Moderate
112.1Moderate
122.1Moderate
132.1Moderate
142.1Moderate
152.1Moderate
162.1Moderate
172.1Moderate
182.1Moderate
192.1Moderate
202.1Moderate
212.1Moderate
222.1Moderate
232.1Moderate
242.1Moderate
252.1Moderate
262.1Moderate
272.1Moderate
282.1Moderate
292.1Moderate
302.1Moderate
312.2Moderate
Planning a trip in December

Is December a good time to visit Caltanissetta?

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

4.1
Sightseeing
10th-best month of the year
0.0
Beach & pool
10th-best month of the year

December is a reasonable time to visit Caltanissetta for sightseeing.

What to pack for Caltanissetta in December

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

In December, Caltanissetta sees daytime highs around 13°C and nights near 5°C. Worth packing: a warm layer. About 8 days see rain.

a warm layer

Sea temperature near Caltanissetta in December

The nearest coast averages about 17°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 41 km away) is warmest in August at about 26°C and coldest in February near 15°C.

It's comfortable for a long swim from Jun 5 to Nov 12 — about 5.3 months when the water holds above 20°C.

15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan15Cool
Feb15Bracing
Mar15Cool
Apr16Cool
May18Cool
Jun21Refreshing
Jul24Refreshing
Aug26Warm
Sep24Warm
Oct22Refreshing
Nov20Cool
Dec17Cool

UV index in Caltanissetta in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 2. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Caltanissetta peaks around July 15 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 at about 2 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 9 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighModerateHighVery highVery highHighModerateJul 15UV 10Dec 21UV 2
UV index (midday)Level
Jan2Moderate
Feb4Moderate
Mar6High
Apr5Moderate
May5High
Jun9Very high
Jul10Extreme
Aug9Very high
Sep7High
Oct5High
Nov3Moderate
Dec2Low

Air quality in Caltanissetta 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 Caltanissetta is worst in April — around 17 µg/m³ PM2.5 (moderate), about 1.6× the cleanest month (December, 11 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodApr 1717 µg/m³Dec 1411 µg/m³
PM2.5 (µg/m³)Level
Jan12Good
Feb14Moderate
Mar16Moderate
Apr17Moderate
May16Moderate
Jun15Moderate
Jul14Moderate
Aug14Moderate
Sep13Moderate
Oct13Moderate
Nov11Good
Dec11Good
Location & terrain

Where is Caltanissetta?

Caltanissetta sits at 37.5°N, 14.1°E, 568 m above sea level, in Italy. The nearest listed city is San Cataldo, 7.0 km away.

Topography around Caltanissetta

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

Within 3 km, the terrain around Caltanissetta has significant variations in elevation — a maximum elevation change of 401 m around an average of 527 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 770 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,958 m.

The land around Caltanissetta is covered by trees (33%), grassland (33%) and artificial surfaces (22%) within 3 km, cropland (43%) and grassland (39%) within 16 km, and grassland (34%), water (26%) and cropland (22%) within 80 km.

3 km
401 m
16 km
770 m
80 km
1,958 m
treesshrubsgrasslandcroplandartificial surfaceswater
December weather nearby: San Cataldo 7.0 km · Enna 20 km · Canicattì 24 km · Piazza Armerina 30 km · Favara 40 km · Palma di Montechiaro 42 km · Licata 44 km · Agrigento 47 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 Caltanissetta (37.4903°, 14.0622°, elevation 568 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).