Rosignano Solvay-Castiglioncello weather in January

In January, Rosignano Solvay-Castiglioncello sees average daytime highs of 10°C and overnight lows near 5°C, with 63 mm of precipitation across 8.8 wet days and about 9.2 hours of daylight. It is the 12th-warmest and 9th-wettest month of the year here.

Day-to-day highs hold fairly steady near 10°C through the month. The sky is clear or mostly clear about 36% of the time in January, and the air most often feels dry.

Daylight stretches from about 8 h 48 min at the start of January to 9 h 36 min by month's end. Set against the rest of the year, January is Rosignano Solvay-Castiglioncello's 11th-clearest and 5th-windiest month. For the whole year in context, see Rosignano Solvay-Castiglioncello's year-round climate.

Daytime high: 10°; 12th warmest
Overnight low: 5°; 1st coldest
Precipitation: 63 mm; 8.8 wet days
Daylight: 9 h 06 min; 7:54 AM – 5:01 PM
Cloud cover: 55%; 11th clearest
Wind: 9 km/h; 5th windiest
Solar energy: 1.71 kWh/m²
Travel score: 2.5; out of 10

Rosignano Solvay-Castiglioncello is borough of Rosignano Marittimo, Tuscany, Italy.

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

← December Rosignano Solvay-Castiglioncello 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 10°C through the month.

A typical January day in Rosignano Solvay-Castiglioncello reaches about 10°C in the afternoon and slips back to 5°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 7°C and 13°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)	11	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10
Avg low (°C)	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5

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

Rosignano Solvay-Castiglioncello weather by month

How January compares with the rest of the year at a glance. January is the 12th-warmest and 9th-wettest month here — the current month is highlighted below.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Snow days	Daylight (hours)	Travel score
Jan	10° / 5°	63	8.8	0.3	9.2	2.5
Feb	11° / 5°	65	8.6	0.6	10.2	2.8
Mar	14° / 7°	63	8.6	0.2	11.6	4.2
Apr	17° / 10°	76	10.3	0	13.2	5.3
May	21° / 14°	63	8.4	0	14.5	6.8
Jun	25° / 18°	46	6.3	0	15.2	7.8
Jul	28° / 21°	24	3.2	0	14.9	7.9
Aug	28° / 21°	37	4.9	0	13.8	7.4
Sep	24° / 17°	98	8.9	0	12.3	7.3
Oct	20° / 14°	124	11.4	0	10.8	6.2
Nov	15° / 10°	126	13.1	0	9.5	4.2
Dec	11° / 6°	86	10.5	0.3	8.8	2.8

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 36% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 15% of January, with mostly cloudy or overcast conditions the remaining 50%.

	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 (%)	51	51	51	50	50	50	50	51	51	51	51	51	51	52	52	52	52	52	52	51	51	51	50	50	50	49	48	48	48	48	48
Cloudier (%)	49	49	49	50	50	50	50	49	49	49	49	49	49	48	48	48	48	48	48	49	49	49	50	50	50	51	52	52	52	52	52

	Clearer (%)	Cloudier (%)
1	51	49
2	51	49
3	51	49
4	50	50
5	50	50
6	50	50
7	50	50
8	51	49
9	51	49
10	51	49
11	51	49
12	51	49
13	51	49
14	52	48
15	52	48
16	52	48
17	52	48
18	52	48
19	52	48
20	51	49
21	51	49
22	51	49
23	50	50
24	50	50
25	50	50
26	49	51
27	48	52
28	48	52
29	48	52
30	48	52
31	48	52

Chance of precipitation in January

Any precipitationSnow

Rosignano Solvay-Castiglioncello gets around 63 mm of rain and snow over 8.8 wet days in January. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 29% and peaks near 31% on the wettest days, and about 0 day brings snow.

	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 (%)	31	31	30	30	29	29	28	28	27	27	27	27	27	27	27	28	28	28	28	28	28	29	29	29	29	30	30	30	30	30	30
Snow chance (%)	1	1	1	1	1	1	1	1	0	0	0	0	1	1	1	1	1	1	1	1	1	1	1	1	1	2	2	2	2	2	2

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

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 100% 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 (%)	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100

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

Wind in January

Winds average 9 km/h in January.

Across January, 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.

	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)	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	10	10	10	10	10	10	10	10	10	10
Feels	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm

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

Sunrise & sunset in January

DaylightNight

Daylight runs from about 8 h 48 min at the start of January to 9 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 48 minutes over January. Sunrise moves from 7:56 AM to 7:44 AM, and sunset from 4:46 PM to 5:20 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)	8.8	8.8	8.9	8.9	8.9	8.9	8.9	8.9	9.0	9.0	9.0	9.0	9.0	9.1	9.1	9.1	9.1	9.2	9.2	9.2	9.3	9.3	9.3	9.4	9.4	9.4	9.5	9.5	9.5	9.6	9.6
Sunrise (AM)	7:56	7:57	7:57	7:57	7:57	7:57	7:57	7:56	7:56	7:56	7:56	7:56	7:55	7:55	7:54	7:54	7:54	7:53	7:53	7:52	7:51	7:51	7:50	7:49	7:49	7:48	7:47	7:46	7:45	7:45	7:44
Sunset (PM)	4:46	4:47	4:48	4:49	4:50	4:51	4:52	4:53	4:54	4:55	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	5:12	5:13	5:14	5:16	5:17	5:18	5:20

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	8.8	7:56	4:46
2	8.8	7:57	4:47
3	8.9	7:57	4:48
4	8.9	7:57	4:49
5	8.9	7:57	4:50
6	8.9	7:57	4:51
7	8.9	7:57	4:52
8	8.9	7:56	4:53
9	9.0	7:56	4:54
10	9.0	7:56	4:55
11	9.0	7:56	4:56
12	9.0	7:56	4:57
13	9.0	7:55	4:58
14	9.1	7:55	4:59
15	9.1	7:54	5:00
16	9.1	7:54	5:01
17	9.1	7:54	5:02
18	9.2	7:53	5:03
19	9.2	7:53	5:05
20	9.2	7:52	5:06
21	9.3	7:51	5:07
22	9.3	7:51	5:08
23	9.3	7:50	5:09
24	9.4	7:49	5:11
25	9.4	7:49	5:12
26	9.4	7:48	5:13
27	9.5	7:47	5:14
28	9.5	7:46	5:16
29	9.5	7:45	5:17
30	9.6	7:45	5:18
31	9.6	7:44	5:20

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 1.71 kWh/m².

For context, solar energy here swings from a low near 1.44 kWh/m² to a high of 7 kWh/m² in July across the year — January's 1.71 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)	1.5	1.5	1.5	1.5	1.5	1.5	1.5	1.6	1.6	1.6	1.6	1.6	1.6	1.7	1.7	1.7	1.7	1.7	1.8	1.8	1.8	1.8	1.9	1.9	1.9	1.9	1.9	2.0	2.0	2.0	2.1
Level	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Moderate	Moderate	Moderate

	Solar energy (kWh/m²)	Level
1	1.5	Dim
2	1.5	Dim
3	1.5	Dim
4	1.5	Dim
5	1.5	Dim
6	1.5	Dim
7	1.5	Dim
8	1.6	Dim
9	1.6	Dim
10	1.6	Dim
11	1.6	Dim
12	1.6	Dim
13	1.6	Dim
14	1.7	Dim
15	1.7	Dim
16	1.7	Dim
17	1.7	Dim
18	1.7	Dim
19	1.8	Dim
20	1.8	Dim
21	1.8	Dim
22	1.8	Dim
23	1.9	Dim
24	1.9	Dim
25	1.9	Dim
26	1.9	Dim
27	1.9	Dim
28	2.0	Dim
29	2.0	Moderate
30	2.0	Moderate
31	2.1	Moderate

Planning a trip in January

Is January a good time to visit Rosignano Solvay-Castiglioncello?

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

2.5

Sightseeing

12th-best month of the year

0.0

Beach & pool

10th-best month of the year

January is a weaker month for outdoor sightseeing in Rosignano Solvay-Castiglioncello.

What to pack for Rosignano Solvay-Castiglioncello in January

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

In January, Rosignano Solvay-Castiglioncello sees daytime highs around 10°C and nights near 5°C. Pack a warm layer. Worth having: rain gear. About 9 days see rain.

a warm layerrain gear

Sea temperature near Rosignano Solvay-Castiglioncello in January

The nearest coast averages about 14°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 25°C and coldest in February near 14°C.

It's comfortable for a long swim from Jun 3 to Oct 22 — about 4.7 months when the water holds above 20°C.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Sea temperature (°C)	14	14	14	15	18	22	24	25	23	21	18	16
Comfort	Bracing	Bracing	Bracing	Cool	Cool	Refreshing	Warm	Warm	Refreshing	Refreshing	Cool	Cool

	Sea temperature (°C)	Comfort
Jan	14	Bracing
Feb	14	Bracing
Mar	14	Bracing
Apr	15	Cool
May	18	Cool
Jun	22	Refreshing
Jul	24	Warm
Aug	25	Warm
Sep	23	Refreshing
Oct	21	Refreshing
Nov	18	Cool
Dec	16	Cool

UV index in Rosignano Solvay-Castiglioncello in January

LowModerateHighVery highExtreme

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

Under clear skies, the midday UV index in Rosignano Solvay-Castiglioncello peaks around July 12 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 23 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.

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

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

Location & terrain

Where is Rosignano Solvay-Castiglioncello?

Rosignano Solvay-Castiglioncello sits at 43.4°N, 10.4°E, 13 m above sea level, in Italy. The nearest listed city is Cecina, 11 km away.

Topography around Rosignano Solvay-Castiglioncello

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Rosignano Solvay-Castiglioncello.

Within 3 km, the terrain around Rosignano Solvay-Castiglioncello has only modest variations in elevation — a maximum elevation change of 178 m around an average of 25 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 672 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,823 m.

The land around Rosignano Solvay-Castiglioncello is covered by water (37%) and trees (21%) within 3 km, water (45%) and trees (27%) within 16 km, and water (46%) and trees (35%) within 80 km.

3 km

178 m

water 37%

16 km

672 m

water 45%

80 km

1,823 m

water 46%

treesshrubsgrasslandcroplandartificial surfacesbare terrainwater

← December Rosignano Solvay-Castiglioncello year-round climate February →Best places to visit in January

January weather nearby: Cecina 11 km · Livorno 19 km · Cascina 33 km · Pontedera 34 km · Pisa 36 km · San Miniato 46 km · San Miniato Basso 47 km · Lucca 51 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 Rosignano Solvay-Castiglioncello (43.3895°, 10.4361°, elevation 13 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	11	5
2	10	5
3	10	5
4	10	5
5	10	5
6	10	5
7	10	5
8	10	5
9	10	5
10	10	5
11	10	5
12	10	5
13	10	5
14	10	5
15	10	5
16	10	5
17	10	5
18	10	5
19	10	5
20	10	5
21	10	5
22	10	5
23	10	5
24	10	5
25	10	5
26	10	5
27	10	5
28	10	5
29	10	5
30	10	5
31	10	5

	Clearer (%)	Cloudier (%)
1	51	49
2	51	49
3	51	49
4	50	50
5	50	50
6	50	50
7	50	50
8	51	49
9	51	49
10	51	49
11	51	49
12	51	49
13	51	49
14	52	48
15	52	48
16	52	48
17	52	48
18	52	48
19	52	48
20	51	49
21	51	49
22	51	49
23	50	50
24	50	50
25	50	50
26	49	51
27	48	52
28	48	52
29	48	52
30	48	52
31	48	52

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

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

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

	Clearer (%)	Cloudier (%)
1	51	49
2	51	49
3	51	49
4	50	50
5	50	50
6	50	50
7	50	50
8	51	49
9	51	49
10	51	49
11	51	49
12	51	49
13	51	49
14	52	48
15	52	48
16	52	48
17	52	48
18	52	48
19	52	48
20	51	49
21	51	49
22	51	49
23	50	50
24	50	50
25	50	50
26	49	51
27	48	52
28	48	52
29	48	52
30	48	52
31	48	52

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

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

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

	Clearer (%)	Cloudier (%)
1	51	49
2	51	49
3	51	49
4	50	50
5	50	50
6	50	50
7	50	50
8	51	49
9	51	49
10	51	49
11	51	49
12	51	49
13	51	49
14	52	48
15	52	48
16	52	48
17	52	48
18	52	48
19	52	48
20	51	49
21	51	49
22	51	49
23	50	50
24	50	50
25	50	50
26	49	51
27	48	52
28	48	52
29	48	52
30	48	52
31	48	52

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

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