San Giorgio a Cremano weather in January

In January, San Giorgio a Cremano sees average daytime highs of 12°C and overnight lows near 10°C, with 122 mm of rain across 11.5 wet days and about 9.4 hours of daylight. It is the 11th-warmest and 4th-wettest month of the year here.

Day-to-day highs hold fairly steady near 12°C through the month. The sky is clear or mostly clear about 39% of the time in January, and the air most often feels dry.

Daylight stretches from about 9 h 06 min at the start of January to 9 h 48 min by month's end. Set against the rest of the year, January is San Giorgio a Cremano's 10th-clearest and 3rd-windiest month. For the whole year in context, see San Giorgio a Cremano's year-round climate.

Daytime high
12°
11th warmest
Overnight low
10°
2nd coldest
Rainfall
122 mm
11.5 wet days
Daylight
9 h 24 min
7:31 AM – 4:53 PM
Cloud cover
52%
10th clearest
Wind
17 km/h
3rd windiest
Solar energy
2 kWh/m²
Travel score
3.3
out of 10

San Giorgio a Cremano is chief town of the homonym municipality.

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 12°C through the month.

A typical January day in San Giorgio a Cremano reaches about 12°C in the afternoon and slips back to 10°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between 10°C and 15°C. Set against its neighbours, January runs about 1°C cooler than December and on par with February.

10°15°20°151015202531
Avg high (°C)Avg low (°C)
11310
21310
31310
41310
51310
61310
71310
81310
91310
101310
111310
121210
131210
141210
151210
161210
171210
181210
191210
201210
211210
221210
231210
241210
25129
26129
27129
28129
29129
30129
31129

San Giorgio a Cremano weather by month

How January compares with the rest of the year at a glance. January is the 11th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan12° / 10°12211.59.43.3
Feb12° / 10°10110.610.43.3
Mar14° / 11°959.811.74.1
Apr16° / 13°749.313.15.1
May19° / 17°44614.27.0
Jun23° / 20°223.414.98.5
Jul26° / 23°11214.68.9
Aug26° / 24°182.613.68.6
Sep24° / 21°86812.37.6
Oct21° / 18°12410.210.96.6
Nov17° / 14°18813.59.75.1
Dec14° / 11°15413.49.13.8

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 39% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 17% of January, with mostly cloudy or overcast conditions the remaining 44%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15842
25842
35842
45842
55743
65743
75743
85743
95743
105743
115743
125743
135743
145644
155644
165644
175644
185644
195644
205644
215545
225545
235545
245545
255545
265545
275545
285545
295545
305545
315545

Chance of precipitation in January

Any precipitation

San Giorgio a Cremano gets around 122 mm of rain over 11.5 wet days in January. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 38% and peaks near 40% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
139
238
337
437
536
636
735
835
935
1035
1135
1235
1335
1436
1536
1637
1737
1838
1938
2038
2139
2239
2340
2440
2540
2640
2740
2840
2940
3040
3140

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 99% 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
5982
6991
7991
8991
9991
10991
11991
12991
13991
14991
15991
16991
171000
181000
191000
201000
211000
221000
231000
241000
251000
261000
271000
281000
291000
301000
311000

Wind in January

Winds average 17 km/h in January.

Across January, daily wind ranges from about 16 km/h on the calmest days to 18 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
118light breeze
217light breeze
317light breeze
417light breeze
517light breeze
617light breeze
717light breeze
817light breeze
916light breeze
1016light breeze
1116light breeze
1216light breeze
1316light breeze
1416light breeze
1516light breeze
1616light breeze
1716light breeze
1816light breeze
1917light breeze
2017light breeze
2117light breeze
2217light breeze
2317light breeze
2417light breeze
2517light breeze
2617light breeze
2717light breeze
2817light breeze
2917light breeze
3017light breeze
3117light breeze

Sunrise & sunset in January

DaylightNight

Daylight runs from about 9 h 06 min at the start of January to 9 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 42 minutes over January. Sunrise moves from 7:32 AM to 7:22 AM, and sunset from 4:39 PM to 5:10 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.17:324:39
29.17:324:40
39.17:334:41
49.27:334:42
59.27:334:43
69.27:334:43
79.27:334:44
89.27:324:45
99.27:324:46
109.27:324:47
119.37:324:48
129.37:324:49
139.37:324:50
149.37:314:51
159.47:314:52
169.47:314:53
179.47:304:54
189.47:304:55
199.47:294:56
209.57:294:58
219.57:284:59
229.57:285:00
239.67:275:01
249.67:275:02
259.67:265:03
269.67:255:04
279.77:255:06
289.77:245:07
299.77:235:08
309.87:225:09
319.87:225:10

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 2 kWh/m².

For context, solar energy here swings from a low near 1.72 kWh/m² to a high of 7.07 kWh/m² in July across the year — January's 2 kWh/m² sits near the bottom.

0123151015202531
Solar energy (kWh/m²)Level
11.8Dim
21.8Dim
31.8Dim
41.8Dim
51.8Dim
61.8Dim
71.9Dim
81.9Dim
91.9Dim
101.9Dim
111.9Dim
121.9Dim
131.9Dim
141.9Dim
152.0Dim
162.0Dim
172.0Moderate
182.0Moderate
192.0Moderate
202.1Moderate
212.1Moderate
222.1Moderate
232.1Moderate
242.2Moderate
252.2Moderate
262.2Moderate
272.2Moderate
282.3Moderate
292.3Moderate
302.3Moderate
312.3Moderate
Planning a trip in January

Hazard calendar for San Giorgio a Cremano

In seasonPeak

In January, San Giorgio a Cremano sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

San Giorgio a Cremano's rainy season runs September–March, when most of the year's rain falls.

Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is January a good time to visit San Giorgio a Cremano?

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

3.3
Sightseeing
11th-best month of the year
0.0
Beach & pool
11th-best month of the year

January is a weaker month for outdoor sightseeing in San Giorgio a Cremano.

What to pack for San Giorgio a Cremano in January

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

In January, San Giorgio a Cremano sees daytime highs around 12°C and nights near 10°C. Worth packing: a warm layer and rain gear. About 12 days see rain.

a warm layerrain gear

Sea temperature near San Giorgio a Cremano in January

The nearest coast averages about 15°C in January — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in August at about 26°C and coldest in February near 14°C.

It's comfortable for a long swim from May 26 to Nov 7 — about 5.5 months when the water holds above 20°C.

15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan15Cool
Feb14Bracing
Mar14Bracing
Apr16Cool
May19Cool
Jun23Refreshing
Jul25Warm
Aug26Warm
Sep24Warm
Oct22Refreshing
Nov19Cool
Dec17Cool

UV index in San Giorgio a Cremano in January

LowModerateHighVery highExtreme

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

Under clear skies, the midday UV index in San Giorgio a Cremano peaks around July 16 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 9 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateVery highHighModerateLowJul 16UV 9Dec 22UV 1
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar5Moderate
Apr4Moderate
May7High
Jun9Very high
Jul10Very high
Aug8Very high
Sep6High
Oct4Moderate
Nov2Moderate
Dec1Low

Air quality in San Giorgio a Cremano 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 San Giorgio a Cremano is worst in April — around 16 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodApr 916 µg/m³Dec 1110 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb14Moderate
Mar16Moderate
Apr16Moderate
May14Moderate
Jun13Moderate
Jul11Good
Aug12Good
Sep12Good
Oct12Good
Nov10Good
Dec10Good
Location & terrain

Where is San Giorgio a Cremano?

San Giorgio a Cremano sits at 40.8°N, 14.3°E, 56 m above sea level, in Italy. The nearest listed city is Portici, 2.0 km away.

Topography around San Giorgio a Cremano

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of San Giorgio a Cremano.

Within 3 km, the terrain around San Giorgio a Cremano has significant variations in elevation — a maximum elevation change of 266 m around an average of 69 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,279 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,032 m.

The land around San Giorgio a Cremano is covered by artificial surfaces (55%) and trees (25%) within 3 km, water (32%), artificial surfaces (29%) and trees (25%) within 16 km, and water (42%) and trees (36%) within 80 km.

3 km
266 m
16 km
1,279 m
80 km
2,032 m
treesshrubsgrasslandcroplandartificial surfaceswater
January weather nearby: Portici 2.0 km · Barra 2.0 km · Ponticelli 3.0 km · Ercolano 3.0 km · San Giovanni a Teduccio 3.0 km · Cercola 3.0 km · Volla 5.0 km · Torre del Greco 5.0 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 San Giorgio a Cremano (40.8326°, 14.3416°, elevation 56 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).