Siderno weather in December

In December, Siderno sees average daytime highs of 13°C and overnight lows near 9°C, with 111 mm of precipitation across 13.4 wet days and about 9.4 hours of daylight. It is the 10th-warmest and 1st-wettest month of the year here.

Highs ease over the month, from about 14°C in the first days to 12°C by the end. The sky is clear or mostly clear about 35% of the time in December, and the air most often feels dry.

Daylight stretches from about 9 h 30 min at the start of December to 9 h 24 min by month's end. Set against the rest of the year, December is Siderno's 12th-clearest and 2nd-windiest month. For the whole year in context, see Siderno's year-round climate.

Daytime high: 13°; 10th warmest
Overnight low: 9°; 4th coldest
Precipitation: 111 mm; 13.4 wet days
Daylight: 9 h 18 min; 7:10 AM – 4:31 PM
Cloud cover: 54%; 12th clearest
Wind: 12 km/h; 2nd windiest
Solar energy: 2.01 kWh/m²
Travel score: 3.6; out of 10

Siderno is chief town of the homonym municipality.

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

← November Siderno year-round climate January →Best places to visit in December

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

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 14°C in the first days to 12°C by the end.

A typical December day in Siderno reaches about 13°C in the afternoon and slips back to 9°C overnight — a 4°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.

	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)	15	15	14	14	14	14	14	14	14	14	14	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	12	12	12	12	12
Avg low (°C)	10	10	10	10	10	10	10	10	10	9	9	9	9	9	9	9	9	9	9	9	9	9	9	8	8	8	8	8	8	8	8

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

Siderno weather by month

How December compares with the rest of the year at a glance. December is the 10th-warmest and 1st-wettest month here — the current month is highlighted below.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Daylight (hours)	Travel score
Jan	12° / 8°	100	12.4	9.6	3.1
Feb	12° / 7°	89	12.2	10.5	3.0
Mar	14° / 9°	88	11.3	11.7	4.0
Apr	16° / 11°	63	9.9	13	5.2
May	20° / 14°	33	6.2	14	7.2
Jun	24° / 18°	18	3.5	14.6	8.6
Jul	27° / 21°	11	2.2	14.4	8.7
Aug	27° / 21°	19	3.2	13.5	8.3
Sep	24° / 19°	73	8.9	12.3	7.5
Oct	21° / 16°	105	10.7	11	6.5
Nov	17° / 12°	109	11.9	9.9	5.2
Dec	13° / 9°	111	13.4	9.4	3.6

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 35% of the time in December, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 22% of December, 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 (%)	57	58	58	57	57	57	57	57	57	57	57	56	56	56	55	55	55	55	55	55	55	55	55	55	56	56	56	57	58	59	60
Cloudier (%)	43	42	42	43	43	43	43	43	43	43	43	44	44	44	45	45	45	45	45	45	45	45	45	45	44	44	44	43	42	41	40

	Clearer (%)	Cloudier (%)
1	57	43
2	58	42
3	58	42
4	57	43
5	57	43
6	57	43
7	57	43
8	57	43
9	57	43
10	57	43
11	57	43
12	56	44
13	56	44
14	56	44
15	55	45
16	55	45
17	55	45
18	55	45
19	55	45
20	55	45
21	55	45
22	55	45
23	55	45
24	55	45
25	56	44
26	56	44
27	56	44
28	57	43
29	58	42
30	59	41
31	60	40

Chance of precipitation in December

Any precipitation

Siderno gets around 111 mm of rain and snow over 13.4 wet days in December, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 42% and peaks near 44% 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 (%)	43	43	43	43	43	43	44	44	44	44	44	44	44	44	44	43	43	43	43	42	42	42	42	42	42	41	41	40	40	39	38

	Rain chance (%)
1	43
2	43
3	43
4	43
5	43
6	43
7	44
8	44
9	44
10	44
11	44
12	44
13	44
14	44
15	44
16	43
17	43
18	43
19	43
20	42
21	42
22	42
23	42
24	42
25	42
26	41
27	41
28	40
29	40
30	39
31	38

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 97% 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 (%)	92	93	94	94	95	95	96	96	96	97	97	97	98	98	98	98	98	98	99	99	99	99	99	99	99	99	99	99	99	99	99
Comfortable (%)	8	7	6	6	5	5	4	4	4	3	3	3	2	2	2	2	2	2	1	1	1	1	1	1	1	1	1	1	1	1	1

	Dry (%)	Comfortable (%)
1	92	8
2	93	7
3	94	6
4	94	6
5	95	5
6	95	5
7	96	4
8	96	4
9	96	4
10	97	3
11	97	3
12	97	3
13	98	2
14	98	2
15	98	2
16	98	2
17	98	2
18	98	2
19	99	1
20	99	1
21	99	1
22	99	1
23	99	1
24	99	1
25	99	1
26	99	1
27	99	1
28	99	1
29	99	1
30	99	1
31	99	1

Wind in December

Winds average 12 km/h in December.

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

Sunrise & sunset in December

DaylightNight

Daylight runs from about 9 h 30 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 6 minutes over December. Sunrise moves from 6:59 AM to 7:17 AM, and sunset from 4:31 PM to 4:39 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)	9.5	9.5	9.5	9.5	9.5	9.4	9.4	9.4	9.4	9.4	9.4	9.4	9.4	9.4	9.4	9.3	9.3	9.3	9.3	9.3	9.3	9.3	9.3	9.3	9.3	9.3	9.3	9.3	9.4	9.4	9.4
Sunrise (AM)	6:59	7:00	7:00	7:01	7:02	7:03	7:04	7:05	7:06	7:06	7:07	7:08	7:08	7:09	7:10	7:10	7:11	7:12	7:12	7:13	7:13	7:14	7:14	7:15	7:15	7:15	7:16	7:16	7:16	7:17	7:17
Sunset (PM)	4:31	4:30	4:30	4:30	4:30	4:30	4:30	4:30	4:30	4:30	4:30	4:31	4:31	4:31	4:31	4:31	4:32	4:32	4:32	4:33	4:33	4:34	4:34	4:35	4:35	4:36	4:36	4:37	4:38	4:38	4:39

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	9.5	6:59	4:31
2	9.5	7:00	4:30
3	9.5	7:00	4:30
4	9.5	7:01	4:30
5	9.5	7:02	4:30
6	9.4	7:03	4:30
7	9.4	7:04	4:30
8	9.4	7:05	4:30
9	9.4	7:06	4:30
10	9.4	7:06	4:30
11	9.4	7:07	4:30
12	9.4	7:08	4:31
13	9.4	7:08	4:31
14	9.4	7:09	4:31
15	9.4	7:10	4:31
16	9.3	7:10	4:31
17	9.3	7:11	4:32
18	9.3	7:12	4:32
19	9.3	7:12	4:32
20	9.3	7:13	4:33
21	9.3	7:13	4:33
22	9.3	7:14	4:34
23	9.3	7:14	4:34
24	9.3	7:15	4:35
25	9.3	7:15	4:35
26	9.3	7:15	4:36
27	9.3	7:16	4:36
28	9.3	7:16	4:37
29	9.4	7:16	4:38
30	9.4	7:17	4:38
31	9.4	7:17	4:39

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 2.01 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 2.01 kWh/m² to a high of 7.42 kWh/m² in June across the year — December's 2.01 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)	2.1	2.1	2.1	2.1	2.1	2.1	2.0	2.0	2.0	2.0	2.0	2.0	2.0	2.0	2.0	2.0	2.0	2.0	2.0	2.0	2.0	2.0	2.0	2.0	2.0	2.0	2.0	2.0	2.1	2.1	2.1
Level	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate

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

Planning a trip in December

Hazard calendar for Siderno

In seasonPeak

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

Siderno's rainy season runs September–April, when most of the year's rain falls.

Rainy season

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Is December a good time to visit Siderno?

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

3.6

Sightseeing

10th-best month of the year

0.0

Beach & pool

9th-best month of the year

December is a weaker month for outdoor sightseeing in Siderno.

What to pack for Siderno in December

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

In December, Siderno sees daytime highs around 13°C and nights near 9°C. Worth packing: a warm layer and rain gear. About 13 days see rain.

a warm layerrain gear

Sea temperature near Siderno 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 18 km away) is warmest in August at about 27°C and coldest in February near 15°C.

It's comfortable for a long swim from May 28 to Nov 13 — about 5.6 months when the water holds above 20°C.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Sea temperature (°C)	15	15	15	16	19	22	25	27	25	23	20	17
Comfort	Cool	Bracing	Bracing	Cool	Cool	Refreshing	Warm	Warm	Warm	Refreshing	Cool	Cool

	Sea temperature (°C)	Comfort
Jan	15	Cool
Feb	15	Bracing
Mar	15	Bracing
Apr	16	Cool
May	19	Cool
Jun	22	Refreshing
Jul	25	Warm
Aug	27	Warm
Sep	25	Warm
Oct	23	Refreshing
Nov	20	Cool
Dec	17	Cool

UV index in Siderno 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 Siderno peaks around July 17 at about 10 (very high) — 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.

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

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

Location & terrain

Where is Siderno?

Siderno sits at 38.3°N, 16.3°E, 10 m above sea level, in Italy. The nearest listed city is Gioia Tauro, 39 km away.

Topography around Siderno

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

Within 3 km, the terrain around Siderno has only modest variations in elevation — a maximum elevation change of 172 m around an average of 24 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,174 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,931 m.

The land around Siderno is covered by water (43%) and trees (22%) within 3 km, water (44%) and trees (34%) within 16 km, and water (60%) and trees (31%) within 80 km.

3 km

172 m

water 43%

16 km

1,174 m

water 44%

80 km

1,931 m

water 60%

treesshrubsgrasslandcroplandartificial surfacesbare terrainwater

← November Siderno year-round climate January →Best places to visit in December

December weather nearby: Gioia Tauro 39 km · Palmi 40 km · Vibo Valentia 48 km · Reggio Calabria 58 km · Messina 65 km · Catanzaro 73 km · Lamezia Terme 77 km · Sambiase 77 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 Siderno (38.2699°, 16.2961°, 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	15	10
2	15	10
3	14	10
4	14	10
5	14	10
6	14	10
7	14	10
8	14	10
9	14	10
10	14	9
11	14	9
12	13	9
13	13	9
14	13	9
15	13	9
16	13	9
17	13	9
18	13	9
19	13	9
20	13	9
21	13	9
22	13	9
23	13	9
24	13	8
25	13	8
26	13	8
27	12	8
28	12	8
29	12	8
30	12	8
31	12	8

	Clearer (%)	Cloudier (%)
1	57	43
2	58	42
3	58	42
4	57	43
5	57	43
6	57	43
7	57	43
8	57	43
9	57	43
10	57	43
11	57	43
12	56	44
13	56	44
14	56	44
15	55	45
16	55	45
17	55	45
18	55	45
19	55	45
20	55	45
21	55	45
22	55	45
23	55	45
24	55	45
25	56	44
26	56	44
27	56	44
28	57	43
29	58	42
30	59	41
31	60	40

	Rain chance (%)
1	43
2	43
3	43
4	43
5	43
6	43
7	44
8	44
9	44
10	44
11	44
12	44
13	44
14	44
15	44
16	43
17	43
18	43
19	43
20	42
21	42
22	42
23	42
24	42
25	42
26	41
27	41
28	40
29	40
30	39
31	38

	Dry (%)	Comfortable (%)
1	92	8
2	93	7
3	94	6
4	94	6
5	95	5
6	95	5
7	96	4
8	96	4
9	96	4
10	97	3
11	97	3
12	97	3
13	98	2
14	98	2
15	98	2
16	98	2
17	98	2
18	98	2
19	99	1
20	99	1
21	99	1
22	99	1
23	99	1
24	99	1
25	99	1
26	99	1
27	99	1
28	99	1
29	99	1
30	99	1
31	99	1

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

	Clearer (%)	Cloudier (%)
1	57	43
2	58	42
3	58	42
4	57	43
5	57	43
6	57	43
7	57	43
8	57	43
9	57	43
10	57	43
11	57	43
12	56	44
13	56	44
14	56	44
15	55	45
16	55	45
17	55	45
18	55	45
19	55	45
20	55	45
21	55	45
22	55	45
23	55	45
24	55	45
25	56	44
26	56	44
27	56	44
28	57	43
29	58	42
30	59	41
31	60	40

	Rain chance (%)
1	43
2	43
3	43
4	43
5	43
6	43
7	44
8	44
9	44
10	44
11	44
12	44
13	44
14	44
15	44
16	43
17	43
18	43
19	43
20	42
21	42
22	42
23	42
24	42
25	42
26	41
27	41
28	40
29	40
30	39
31	38

	Dry (%)	Comfortable (%)
1	92	8
2	93	7
3	94	6
4	94	6
5	95	5
6	95	5
7	96	4
8	96	4
9	96	4
10	97	3
11	97	3
12	97	3
13	98	2
14	98	2
15	98	2
16	98	2
17	98	2
18	98	2
19	99	1
20	99	1
21	99	1
22	99	1
23	99	1
24	99	1
25	99	1
26	99	1
27	99	1
28	99	1
29	99	1
30	99	1
31	99	1

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

	Clearer (%)	Cloudier (%)
1	57	43
2	58	42
3	58	42
4	57	43
5	57	43
6	57	43
7	57	43
8	57	43
9	57	43
10	57	43
11	57	43
12	56	44
13	56	44
14	56	44
15	55	45
16	55	45
17	55	45
18	55	45
19	55	45
20	55	45
21	55	45
22	55	45
23	55	45
24	55	45
25	56	44
26	56	44
27	56	44
28	57	43
29	58	42
30	59	41
31	60	40

	Rain chance (%)
1	43
2	43
3	43
4	43
5	43
6	43
7	44
8	44
9	44
10	44
11	44
12	44
13	44
14	44
15	44
16	43
17	43
18	43
19	43
20	42
21	42
22	42
23	42
24	42
25	42
26	41
27	41
28	40
29	40
30	39
31	38

	Dry (%)	Comfortable (%)
1	92	8
2	93	7
3	94	6
4	94	6
5	95	5
6	95	5
7	96	4
8	96	4
9	96	4
10	97	3
11	97	3
12	97	3
13	98	2
14	98	2
15	98	2
16	98	2
17	98	2
18	98	2
19	99	1
20	99	1
21	99	1
22	99	1
23	99	1
24	99	1
25	99	1
26	99	1
27	99	1
28	99	1
29	99	1
30	99	1
31	99	1