Grosseto weather in January

In January, Grosseto sees average daytime highs of 12°C and overnight lows near 7°C, with 59 mm of rain across 8.3 wet days and about 9.2 hours of daylight. It is the 12th-warmest and 5th-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 8 h 54 min at the start of January to 9 h 42 min by month's end. Set against the rest of the year, January is Grosseto's 11th-clearest and 3rd-windiest month. For the whole year in context, see Grosseto's year-round climate.

Daytime high: 12°; 12th warmest
Overnight low: 7°; 2nd coldest
Rainfall: 59 mm; 8.3 wet days
Daylight: 9 h 12 min; 7:49 AM – 5:00 PM
Cloud cover: 52%; 11th clearest
Wind: 14 km/h; 3rd windiest
Solar energy: 1.86 kWh/m²
Travel score: 3.2; out of 10

Air quality: Good; PM2.5 9.3 µg/m³ · 2019

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

← December Grosseto 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 Grosseto reaches about 12°C in the afternoon and slips back to 7°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 8°C and 14°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)	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	11	11	11	11	11	11	11	11	11	11	12	12	12
Avg low (°C)	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7

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

Grosseto weather by month

How January compares with the rest of the year at a glance. January is the 12th-warmest and 5th-wettest month here — the current month is highlighted below.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Daylight (hours)	Travel score
Jan	12° / 7°	59	8.3	9.2	3.2
Feb	12° / 7°	58	7.9	10.3	3.5
Mar	14° / 9°	53	7.6	11.6	4.7
Apr	17° / 11°	53	8.5	13.1	5.8
May	21° / 15°	42	7	14.4	7.2
Jun	25° / 18°	26	4.5	15.1	8.2
Jul	28° / 21°	15	2.4	14.8	8.0
Aug	28° / 21°	21	3.2	13.7	7.5
Sep	25° / 19°	76	7.6	12.3	7.5
Oct	20° / 15°	104	9.9	10.8	6.6
Nov	16° / 11°	122	12.2	9.6	4.8
Dec	13° / 8°	82	10	8.9	3.5

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 15% of January, with mostly cloudy or overcast conditions the remaining 46%.

	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 (%)	54	54	54	55	55	55	55	55	55	55	55	55	55	55	55	54	54	54	54	53	53	53	52	51	51	51	51	51	51	52	52
Cloudier (%)	46	46	46	45	45	45	45	45	45	45	45	45	45	45	45	46	46	46	46	47	47	47	48	49	49	49	49	49	49	48	48

	Clearer (%)	Cloudier (%)
1	54	46
2	54	46
3	54	46
4	55	45
5	55	45
6	55	45
7	55	45
8	55	45
9	55	45
10	55	45
11	55	45
12	55	45
13	55	45
14	55	45
15	55	45
16	54	46
17	54	46
18	54	46
19	54	46
20	53	47
21	53	47
22	53	47
23	52	48
24	51	49
25	51	49
26	51	49
27	51	49
28	51	49
29	51	49
30	52	48
31	52	48

Chance of precipitation in January

Any precipitation

Grosseto gets around 59 mm of rain over 8.3 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 27% and peaks near 29% 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 (%)	29	29	28	28	27	27	26	26	26	25	25	25	25	26	26	26	26	27	27	27	27	27	28	28	28	28	28	28	28	29	29

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

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 (%)	99	99	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
Comfortable (%)	1	1	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0

	Dry (%)	Comfortable (%)
1	99	1
2	99	1
3	100	0
4	100	0
5	100	0
6	100	0
7	100	0
8	100	0
9	100	0
10	100	0
11	100	0
12	100	0
13	100	0
14	100	0
15	100	0
16	100	0
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 14 km/h in January.

Across January, daily wind ranges from about 13 km/h on the calmest days to 14 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)	14	14	14	14	14	14	13	13	13	13	13	13	13	13	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14
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	14	light breeze
2	14	light breeze
3	14	light breeze
4	14	light breeze
5	14	light breeze
6	14	light breeze
7	13	light breeze
8	13	light breeze
9	13	light breeze
10	13	light breeze
11	13	light breeze
12	13	light breeze
13	13	light breeze
14	13	light breeze
15	14	light breeze
16	14	light breeze
17	14	light breeze
18	14	light breeze
19	14	light breeze
20	14	light breeze
21	14	light breeze
22	14	light breeze
23	14	light breeze
24	14	light breeze
25	14	light breeze
26	14	light breeze
27	14	light breeze
28	14	light breeze
29	14	light breeze
30	14	light breeze
31	14	light breeze

Sunrise & sunset in January

DaylightNight

Daylight runs from about 8 h 54 min at the start of January to 9 h 42 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 7:52 AM to 7:39 AM, and sunset from 4:46 PM to 5:19 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)	8.9	8.9	8.9	8.9	9.0	9.0	9.0	9.0	9.0	9.0	9.1	9.1	9.1	9.1	9.2	9.2	9.2	9.2	9.3	9.3	9.3	9.4	9.4	9.4	9.4	9.5	9.5	9.5	9.6	9.6	9.7
Sunrise (AM)	7:52	7:52	7:52	7:52	7:52	7:52	7:52	7:52	7:51	7:51	7:51	7:51	7:50	7:50	7:50	7:49	7:49	7:48	7:48	7:47	7:47	7:46	7:46	7:45	7:44	7:43	7:43	7:42	7:41	7:40	7:39
Sunset (PM)	4:46	4:47	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	5:03	5:04	5:05	5:06	5:07	5:08	5:10	5:11	5:12	5:13	5:15	5:16	5:17	5:19

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	8.9	7:52	4:46
2	8.9	7:52	4:47
3	8.9	7:52	4:47
4	8.9	7:52	4:48
5	9.0	7:52	4:49
6	9.0	7:52	4:50
7	9.0	7:52	4:51
8	9.0	7:52	4:52
9	9.0	7:51	4:53
10	9.0	7:51	4:54
11	9.1	7:51	4:55
12	9.1	7:51	4:56
13	9.1	7:50	4:57
14	9.1	7:50	4:58
15	9.2	7:50	4:59
16	9.2	7:49	5:00
17	9.2	7:49	5:01
18	9.2	7:48	5:03
19	9.3	7:48	5:04
20	9.3	7:47	5:05
21	9.3	7:47	5:06
22	9.4	7:46	5:07
23	9.4	7:46	5:08
24	9.4	7:45	5:10
25	9.4	7:44	5:11
26	9.5	7:43	5:12
27	9.5	7:43	5:13
28	9.5	7:42	5:15
29	9.6	7:41	5:16
30	9.6	7:40	5:17
31	9.7	7:39	5:19

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 1.86 kWh/m².

For context, solar energy here swings from a low near 1.59 kWh/m² to a high of 7.16 kWh/m² in July across the year — January's 1.86 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)	1.6	1.6	1.6	1.7	1.7	1.7	1.7	1.7	1.7	1.8	1.8	1.8	1.8	1.8	1.8	1.9	1.9	1.9	1.9	1.9	1.9	2.0	2.0	2.0	2.0	2.1	2.1	2.1	2.2	2.2	2.2
Level	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	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate

	Solar energy (kWh/m²)	Level
1	1.6	Dim
2	1.6	Dim
3	1.6	Dim
4	1.7	Dim
5	1.7	Dim
6	1.7	Dim
7	1.7	Dim
8	1.7	Dim
9	1.7	Dim
10	1.8	Dim
11	1.8	Dim
12	1.8	Dim
13	1.8	Dim
14	1.8	Dim
15	1.8	Dim
16	1.9	Dim
17	1.9	Dim
18	1.9	Dim
19	1.9	Dim
20	1.9	Dim
21	1.9	Dim
22	2.0	Dim
23	2.0	Moderate
24	2.0	Moderate
25	2.0	Moderate
26	2.1	Moderate
27	2.1	Moderate
28	2.1	Moderate
29	2.2	Moderate
30	2.2	Moderate
31	2.2	Moderate

Planning a trip in January

Hazard calendar for Grosseto

In seasonPeak

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

Grosseto's rainy season runs September–February, 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 Grosseto?

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

3.2

Sightseeing

12th-best month of the year

0.0

Beach & pool

11th-best month of the year

January is a weaker month for outdoor sightseeing in Grosseto.

What to pack for Grosseto in January

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

In January, Grosseto sees daytime highs around 12°C and nights near 7°C. Pack a warm layer. Worth having: rain gear. About 8 days see rain.

a warm layerrain gear

Sea temperature near Grosseto 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 at the nearest coast (about 15 km away) 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 28 — about 4.9 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	15	18	22	24	25	23	21	19	16
Comfort	Bracing	Bracing	Bracing	Cool	Cool	Refreshing	Warm	Warm	Refreshing	Refreshing	Cool	Cool

	Sea temperature (°C)	Comfort
Jan	15	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	19	Cool
Dec	16	Cool

UV index in Grosseto 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 Grosseto peaks around July 14 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	5	6	8	9	7	5	3	2	1
Level	Low	Moderate	Moderate	High	High	Very high	Very high	Very high	High	Moderate	Moderate	Low

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

Location & terrain

Where is Grosseto?

Grosseto sits at 42.8°N, 11.1°E, 10 m above sea level, in Italy. The nearest listed city is Follonica, 34 km away.

Topography around Grosseto

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

Within 3 km, the terrain around Grosseto has only modest variations in elevation — a maximum elevation change of 21 m around an average of 9 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 562 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,724 m.

The land around Grosseto is covered by cropland (38%) and artificial surfaces (31%) within 3 km, cropland (36%), trees (28%) and grassland (23%) within 16 km, and water (40%) and trees (33%) within 80 km.

3 km

21 m

cropland 38%

16 km

562 m

cropland 36%

80 km

1,724 m

water 40%

treesshrubsgrasslandcroplandartificial surfaceswaterwetland

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

January weather nearby: Follonica 34 km · Piombino 51 km · Siena 64 km · Colle di Val d'Elsa 73 km · Cecina 77 km · Poggibonsi 79 km · Rosignano Solvay-Castiglioncello 89 km · Viterbo 90 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 Grosseto (42.763°, 11.1094°, elevation 10 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	12	7
2	12	7
3	12	7
4	12	7
5	12	7
6	12	7
7	12	7
8	12	7
9	12	7
10	12	7
11	12	7
12	12	7
13	12	7
14	12	7
15	12	7
16	12	7
17	12	7
18	12	7
19	11	7
20	11	7
21	11	7
22	11	7
23	11	7
24	11	7
25	11	7
26	11	7
27	11	7
28	11	7
29	12	7
30	12	7
31	12	7

	Clearer (%)	Cloudier (%)
1	54	46
2	54	46
3	54	46
4	55	45
5	55	45
6	55	45
7	55	45
8	55	45
9	55	45
10	55	45
11	55	45
12	55	45
13	55	45
14	55	45
15	55	45
16	54	46
17	54	46
18	54	46
19	54	46
20	53	47
21	53	47
22	53	47
23	52	48
24	51	49
25	51	49
26	51	49
27	51	49
28	51	49
29	51	49
30	52	48
31	52	48

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

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

	Clearer (%)	Cloudier (%)
1	54	46
2	54	46
3	54	46
4	55	45
5	55	45
6	55	45
7	55	45
8	55	45
9	55	45
10	55	45
11	55	45
12	55	45
13	55	45
14	55	45
15	55	45
16	54	46
17	54	46
18	54	46
19	54	46
20	53	47
21	53	47
22	53	47
23	52	48
24	51	49
25	51	49
26	51	49
27	51	49
28	51	49
29	51	49
30	52	48
31	52	48

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

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

	Clearer (%)	Cloudier (%)
1	54	46
2	54	46
3	54	46
4	55	45
5	55	45
6	55	45
7	55	45
8	55	45
9	55	45
10	55	45
11	55	45
12	55	45
13	55	45
14	55	45
15	55	45
16	54	46
17	54	46
18	54	46
19	54	46
20	53	47
21	53	47
22	53	47
23	52	48
24	51	49
25	51	49
26	51	49
27	51	49
28	51	49
29	51	49
30	52	48
31	52	48

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

	Dry (%)	Comfortable (%)
1	99	1
2	99	1
3	100	0
4	100	0
5	100	0
6	100	0
7	100	0
8	100	0
9	100	0
10	100	0
11	100	0
12	100	0
13	100	0
14	100	0
15	100	0
16	100	0
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