Naples weather in January

In January, Naples 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 Naples's 10th-clearest and 3rd-windiest month. For the whole year in context, see Naples'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

Air quality: Good; PM2.5 7.9 µg/m³ · 2019

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

← December Naples year-round climate February →Best places to visit in January

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

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 Naples 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.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Avg high (°C)	13	13	13	13	13	13	13	13	13	13	13	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12
Avg low (°C)	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	9	9	9	9	9	9	9

	Avg high (°C)	Avg low (°C)
1	13	10
2	13	10
3	13	10
4	13	10
5	13	10
6	13	10
7	13	10
8	13	10
9	13	10
10	13	10
11	13	10
12	12	10
13	12	10
14	12	10
15	12	10
16	12	10
17	12	10
18	12	10
19	12	10
20	12	10
21	12	10
22	12	10
23	12	10
24	12	10
25	12	9
26	12	9
27	12	9
28	12	9
29	12	9
30	12	9
31	12	9

Naples 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.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Daylight (hours)	Travel score
Jan	12° / 10°	122	11.5	9.4	3.3
Feb	12° / 10°	101	10.6	10.4	3.3
Mar	14° / 11°	95	9.8	11.7	4.1
Apr	16° / 13°	74	9.3	13.1	5.1
May	19° / 17°	44	6	14.2	7.0
Jun	23° / 20°	22	3.4	14.9	8.5
Jul	26° / 23°	11	2	14.6	8.9
Aug	26° / 24°	18	2.6	13.6	8.6
Sep	24° / 21°	86	8	12.3	7.6
Oct	21° / 18°	124	10.2	10.9	6.6
Nov	17° / 14°	188	13.5	9.7	5.1
Dec	14° / 11°	154	13.4	9.1	3.8

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%.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Clearer (%)	58	58	58	58	57	57	57	57	57	57	57	57	57	56	56	56	56	56	56	56	55	55	55	55	55	55	55	55	55	55	55
Cloudier (%)	42	42	42	42	43	43	43	43	43	43	43	43	43	44	44	44	44	44	44	44	45	45	45	45	45	45	45	45	45	45	45

	Clearer (%)	Cloudier (%)
1	58	42
2	58	42
3	58	42
4	58	42
5	57	43
6	57	43
7	57	43
8	57	43
9	57	43
10	57	43
11	57	43
12	57	43
13	57	43
14	56	44
15	56	44
16	56	44
17	56	44
18	56	44
19	56	44
20	56	44
21	55	45
22	55	45
23	55	45
24	55	45
25	55	45
26	55	45
27	55	45
28	55	45
29	55	45
30	55	45
31	55	45

Chance of precipitation in January

Any precipitation

Naples 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.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Rain chance (%)	39	38	37	37	36	36	35	35	35	35	35	35	35	36	36	37	37	38	38	38	39	39	40	40	40	40	40	40	40	40	40

	Rain chance (%)
1	39
2	38
3	37
4	37
5	36
6	36
7	35
8	35
9	35
10	35
11	35
12	35
13	35
14	36
15	36
16	37
17	37
18	38
19	38
20	38
21	39
22	39
23	40
24	40
25	40
26	40
27	40
28	40
29	40
30	40
31	40

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.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Dry (%)	98	98	98	98	98	99	99	99	99	99	99	99	99	99	99	99	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100
Comfortable (%)	2	2	2	2	2	1	1	1	1	1	1	1	1	1	1	1	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0

	Dry (%)	Comfortable (%)
1	98	2
2	98	2
3	98	2
4	98	2
5	98	2
6	99	1
7	99	1
8	99	1
9	99	1
10	99	1
11	99	1
12	99	1
13	99	1
14	99	1
15	99	1
16	99	1
17	100	0
18	100	0
19	100	0
20	100	0
21	100	0
22	100	0
23	100	0
24	100	0
25	100	0
26	100	0
27	100	0
28	100	0
29	100	0
30	100	0
31	100	0

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.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Wind speed (km/h)	18	17	17	17	17	17	17	17	16	16	16	16	16	16	16	16	16	16	17	17	17	17	17	17	17	17	17	17	17	17	17
Feels	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze

	Wind speed (km/h)	Feels
1	18	light breeze
2	17	light breeze
3	17	light breeze
4	17	light breeze
5	17	light breeze
6	17	light breeze
7	17	light breeze
8	17	light breeze
9	16	light breeze
10	16	light breeze
11	16	light breeze
12	16	light breeze
13	16	light breeze
14	16	light breeze
15	16	light breeze
16	16	light breeze
17	16	light breeze
18	16	light breeze
19	17	light breeze
20	17	light breeze
21	17	light breeze
22	17	light breeze
23	17	light breeze
24	17	light breeze
25	17	light breeze
26	17	light breeze
27	17	light breeze
28	17	light breeze
29	17	light breeze
30	17	light breeze
31	17	light 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 7:33 AM to 7:22 AM, and sunset from 4:40 PM to 5:11 PM.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Daylight (h)	9.1	9.1	9.1	9.1	9.2	9.2	9.2	9.2	9.2	9.2	9.3	9.3	9.3	9.3	9.3	9.4	9.4	9.4	9.4	9.5	9.5	9.5	9.6	9.6	9.6	9.6	9.7	9.7	9.7	9.8	9.8
Sunrise (AM)	7:33	7:33	7:33	7:33	7:33	7:33	7:33	7:33	7:33	7:33	7:32	7:32	7:32	7:32	7:31	7:31	7:31	7:30	7:30	7:29	7:29	7:28	7:28	7:27	7:26	7:26	7:25	7:24	7:24	7:23	7:22
Sunset (PM)	4:40	4:40	4:41	4:42	4:43	4:44	4:45	4:45	4:46	4:47	4:48	4:49	4:50	4:51	4:52	4:53	4:54	4:56	4:57	4:58	4:59	5:00	5:01	5:02	5:03	5:05	5:06	5:07	5:08	5:09	5:11

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	9.1	7:33	4:40
2	9.1	7:33	4:40
3	9.1	7:33	4:41
4	9.1	7:33	4:42
5	9.2	7:33	4:43
6	9.2	7:33	4:44
7	9.2	7:33	4:45
8	9.2	7:33	4:45
9	9.2	7:33	4:46
10	9.2	7:33	4:47
11	9.3	7:32	4:48
12	9.3	7:32	4:49
13	9.3	7:32	4:50
14	9.3	7:32	4:51
15	9.3	7:31	4:52
16	9.4	7:31	4:53
17	9.4	7:31	4:54
18	9.4	7:30	4:56
19	9.4	7:30	4:57
20	9.5	7:29	4:58
21	9.5	7:29	4:59
22	9.5	7:28	5:00
23	9.6	7:28	5:01
24	9.6	7:27	5:02
25	9.6	7:26	5:03
26	9.6	7:26	5:05
27	9.7	7:25	5:06
28	9.7	7:24	5:07
29	9.7	7:24	5:08
30	9.8	7:23	5:09
31	9.8	7:22	5:11

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.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Solar energy (kWh/m²)	1.8	1.8	1.8	1.8	1.8	1.8	1.9	1.9	1.9	1.9	1.9	1.9	1.9	1.9	2.0	2.0	2.0	2.0	2.0	2.1	2.1	2.1	2.1	2.2	2.2	2.2	2.2	2.3	2.3	2.3	2.3
Level	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate

	Solar energy (kWh/m²)	Level
1	1.8	Dim
2	1.8	Dim
3	1.8	Dim
4	1.8	Dim
5	1.8	Dim
6	1.8	Dim
7	1.9	Dim
8	1.9	Dim
9	1.9	Dim
10	1.9	Dim
11	1.9	Dim
12	1.9	Dim
13	1.9	Dim
14	1.9	Dim
15	2.0	Dim
16	2.0	Dim
17	2.0	Moderate
18	2.0	Moderate
19	2.0	Moderate
20	2.1	Moderate
21	2.1	Moderate
22	2.1	Moderate
23	2.1	Moderate
24	2.2	Moderate
25	2.2	Moderate
26	2.2	Moderate
27	2.2	Moderate
28	2.3	Moderate
29	2.3	Moderate
30	2.3	Moderate
31	2.3	Moderate

Planning a trip in January

Hazard calendar for Naples

In seasonPeak

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

Naples'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 Naples?

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 Naples.

What to pack for Naples in January

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

In January, Naples 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 Naples 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.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Sea temperature (°C)	15	14	14	16	19	23	25	26	24	22	19	17
Comfort	Cool	Bracing	Bracing	Cool	Cool	Refreshing	Warm	Warm	Warm	Refreshing	Cool	Cool

	Sea temperature (°C)	Comfort
Jan	15	Cool
Feb	14	Bracing
Mar	14	Bracing
Apr	16	Cool
May	19	Cool
Jun	23	Refreshing
Jul	25	Warm
Aug	26	Warm
Sep	24	Warm
Oct	22	Refreshing
Nov	19	Cool
Dec	17	Cool

UV index in Naples 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 Naples 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.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
UV index (midday)	2	3	5	4	7	9	10	8	6	4	2	1
Level	Low	Moderate	Moderate	Moderate	High	Very high	Very high	Very high	High	Moderate	Moderate	Low

	UV index (midday)	Level
Jan	2	Low
Feb	3	Moderate
Mar	5	Moderate
Apr	4	Moderate
May	7	High
Jun	9	Very high
Jul	10	Very high
Aug	8	Very high
Sep	6	High
Oct	4	Moderate
Nov	2	Moderate
Dec	1	Low

Location & terrain

Where is Naples?

Naples sits at 40.9°N, 14.3°E, 17 m above sea level, in Italy. The nearest listed city is San Lorenzo, 1.0 km away.

Topography around Naples

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

Within 3 km, the terrain around Naples has only modest variations in elevation — a maximum elevation change of 244 m around an average of 49 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 Naples is covered by artificial surfaces (63%) within 3 km, water (31%), artificial surfaces (30%) and trees (22%) within 16 km, and water (44%) and trees (35%) within 80 km.

3 km

244 m

artificial surfaces 63%

16 km

1,279 m

water 31%

80 km

2,032 m

water 44%

treesshrubsgrasslandcroplandartificial surfaceswater

← December Naples year-round climate February →Best places to visit in January

January weather nearby: San Lorenzo 1.0 km · Pendino 1.0 km · Vicaria 1.0 km · San Carlo All'Arena 1.0 km · Stella 2.0 km · Montecalvario 2.0 km · Avvocata 2.0 km · Poggioreale 2.0 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

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 Naples (40.8522°, 14.2681°, elevation 17 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).

	Avg high (°C)	Avg low (°C)
1	13	10
2	13	10
3	13	10
4	13	10
5	13	10
6	13	10
7	13	10
8	13	10
9	13	10
10	13	10
11	13	10
12	12	10
13	12	10
14	12	10
15	12	10
16	12	10
17	12	10
18	12	10
19	12	10
20	12	10
21	12	10
22	12	10
23	12	10
24	12	10
25	12	9
26	12	9
27	12	9
28	12	9
29	12	9
30	12	9
31	12	9

	Clearer (%)	Cloudier (%)
1	58	42
2	58	42
3	58	42
4	58	42
5	57	43
6	57	43
7	57	43
8	57	43
9	57	43
10	57	43
11	57	43
12	57	43
13	57	43
14	56	44
15	56	44
16	56	44
17	56	44
18	56	44
19	56	44
20	56	44
21	55	45
22	55	45
23	55	45
24	55	45
25	55	45
26	55	45
27	55	45
28	55	45
29	55	45
30	55	45
31	55	45

	Rain chance (%)
1	39
2	38
3	37
4	37
5	36
6	36
7	35
8	35
9	35
10	35
11	35
12	35
13	35
14	36
15	36
16	37
17	37
18	38
19	38
20	38
21	39
22	39
23	40
24	40
25	40
26	40
27	40
28	40
29	40
30	40
31	40

	Dry (%)	Comfortable (%)
1	98	2
2	98	2
3	98	2
4	98	2
5	98	2
6	99	1
7	99	1
8	99	1
9	99	1
10	99	1
11	99	1
12	99	1
13	99	1
14	99	1
15	99	1
16	99	1
17	100	0
18	100	0
19	100	0
20	100	0
21	100	0
22	100	0
23	100	0
24	100	0
25	100	0
26	100	0
27	100	0
28	100	0
29	100	0
30	100	0
31	100	0

	Avg high (°C)	Avg low (°C)
1	13	10
2	13	10
3	13	10
4	13	10
5	13	10
6	13	10
7	13	10
8	13	10
9	13	10
10	13	10
11	13	10
12	12	10
13	12	10
14	12	10
15	12	10
16	12	10
17	12	10
18	12	10
19	12	10
20	12	10
21	12	10
22	12	10
23	12	10
24	12	10
25	12	9
26	12	9
27	12	9
28	12	9
29	12	9
30	12	9
31	12	9

	Clearer (%)	Cloudier (%)
1	58	42
2	58	42
3	58	42
4	58	42
5	57	43
6	57	43
7	57	43
8	57	43
9	57	43
10	57	43
11	57	43
12	57	43
13	57	43
14	56	44
15	56	44
16	56	44
17	56	44
18	56	44
19	56	44
20	56	44
21	55	45
22	55	45
23	55	45
24	55	45
25	55	45
26	55	45
27	55	45
28	55	45
29	55	45
30	55	45
31	55	45

	Rain chance (%)
1	39
2	38
3	37
4	37
5	36
6	36
7	35
8	35
9	35
10	35
11	35
12	35
13	35
14	36
15	36
16	37
17	37
18	38
19	38
20	38
21	39
22	39
23	40
24	40
25	40
26	40
27	40
28	40
29	40
30	40
31	40

	Dry (%)	Comfortable (%)
1	98	2
2	98	2
3	98	2
4	98	2
5	98	2
6	99	1
7	99	1
8	99	1
9	99	1
10	99	1
11	99	1
12	99	1
13	99	1
14	99	1
15	99	1
16	99	1
17	100	0
18	100	0
19	100	0
20	100	0
21	100	0
22	100	0
23	100	0
24	100	0
25	100	0
26	100	0
27	100	0
28	100	0
29	100	0
30	100	0
31	100	0

	Avg high (°C)	Avg low (°C)
1	13	10
2	13	10
3	13	10
4	13	10
5	13	10
6	13	10
7	13	10
8	13	10
9	13	10
10	13	10
11	13	10
12	12	10
13	12	10
14	12	10
15	12	10
16	12	10
17	12	10
18	12	10
19	12	10
20	12	10
21	12	10
22	12	10
23	12	10
24	12	10
25	12	9
26	12	9
27	12	9
28	12	9
29	12	9
30	12	9
31	12	9

	Clearer (%)	Cloudier (%)
1	58	42
2	58	42
3	58	42
4	58	42
5	57	43
6	57	43
7	57	43
8	57	43
9	57	43
10	57	43
11	57	43
12	57	43
13	57	43
14	56	44
15	56	44
16	56	44
17	56	44
18	56	44
19	56	44
20	56	44
21	55	45
22	55	45
23	55	45
24	55	45
25	55	45
26	55	45
27	55	45
28	55	45
29	55	45
30	55	45
31	55	45

	Rain chance (%)
1	39
2	38
3	37
4	37
5	36
6	36
7	35
8	35
9	35
10	35
11	35
12	35
13	35
14	36
15	36
16	37
17	37
18	38
19	38
20	38
21	39
22	39
23	40
24	40
25	40
26	40
27	40
28	40
29	40
30	40
31	40

	Dry (%)	Comfortable (%)
1	98	2
2	98	2
3	98	2
4	98	2
5	98	2
6	99	1
7	99	1
8	99	1
9	99	1
10	99	1
11	99	1
12	99	1
13	99	1
14	99	1
15	99	1
16	99	1
17	100	0
18	100	0
19	100	0
20	100	0
21	100	0
22	100	0
23	100	0
24	100	0
25	100	0
26	100	0
27	100	0
28	100	0
29	100	0
30	100	0
31	100	0