Massarosa weather in December

In December, Massarosa sees average daytime highs of 12°C and overnight lows near 8°C, with 120 mm of precipitation across 12.7 wet days and about 8.8 hours of daylight. It is the 10th-warmest and 3rd-wettest month of the year here.

Highs ease over the month, from about 12°C in the first days to 11°C by the end. The sky is clear or mostly clear about 36% of the time in December, and the air most often feels dry.

Daylight stretches from about 9 hours at the start of December to 8 h 48 min by month's end. Set against the rest of the year, December is Massarosa's 11th-clearest and 1st-windiest month. For the whole year in context, see Massarosa's year-round climate.

Daytime high
12°
10th warmest
Overnight low
3rd coldest
Precipitation
120 mm
12.7 wet days
Daylight
8 h 42 min
7:53 AM – 4:37 PM
Cloud cover
56%
11th clearest
Wind
14 km/h
1st windiest
Solar energy
1.41 kWh/m²
Travel score
2.9
out of 10

Massarosa is chief town of the homonym municipality.

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

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 12°C in the first days to 11°C by the end.

A typical December day in Massarosa reaches about 12°C in the afternoon and slips back to 8°C overnight — a 3°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, December runs about 3°C cooler than November and about 1°C warmer than January.

10°15°20°151015202531
Avg high (°C)Avg low (°C)
1139
2139
3139
4129
5129
6129
7129
8129
9129
10129
11128
12128
13128
14128
15128
16118
17118
18118
19118
20118
21118
22118
23118
24118
25118
26118
27118
28118
29118
30117
31117

Massarosa weather by month

How December compares with the rest of the year at a glance. December is the 10th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan11° / 8911.20.59.12.5
Feb11° / 839.70.710.22.7
Mar13° / 779.60.211.63.8
Apr15° / 11°8311013.24.7
May19° / 15°679.5014.56.3
Jun23° / 19°547.4015.27.6
Jul25° / 21°295.3014.98.2
Aug26° / 22°436.5013.87.8
Sep23° / 19°11710.1012.37.0
Oct19° / 15°16212.7010.85.9
Nov15° / 11°171140.19.54.0
Dec12° / 12012.70.48.82.9

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

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

Beyond those clear spells, partly cloudy skies cover about 13% of December, with mostly cloudy or overcast conditions the remaining 51%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14951
24951
35050
45050
55149
65149
75149
85248
95248
105149
115149
125248
135149
145149
155050
165050
174951
184852
194753
204753
214753
224753
234753
244852
254753
264852
274951
284951
294951
304951
314951

Chance of precipitation in December

Any precipitationSnow

Massarosa gets around 120 mm of rain and snow over 12.7 wet days in December. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 41% and peaks near 43% on the wettest days, and about 0 day brings snow.

0%10%20%30%40%50%151015202531
Rain chance (%)Snow chance (%)
1430
2430
3430
4420
5421
6421
7411
8411
9411
10401
11401
12401
13401
14392
15392
16392
17402
18402
19402
20402
21402
22402
23402
24402
25402
26402
27402
28412
29412
30412
31412

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 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
4991
5991
6991
7991
8991
9991
10991
11991
12991
13991
14991
151000
161000
171000
181000
191000
201000
211000
221000
231000
241000
251000
261000
271000
281000
291000
301000
311000

Wind in December

Winds average 14 km/h in December, the windiest month of the year.

Across December, 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.

05101520151015202531
Wind speed (km/h)Feels
114light breeze
214light breeze
314light breeze
414light breeze
514light breeze
614light breeze
714light breeze
814light breeze
914light breeze
1014light breeze
1114light breeze
1214light breeze
1314light breeze
1414light breeze
1514light breeze
1614light breeze
1714light breeze
1814light breeze
1914light breeze
2014light breeze
2114light breeze
2214light breeze
2314light breeze
2414light breeze
2514light breeze
2614light breeze
2714light breeze
2814light breeze
2914light breeze
3014light breeze
3113light breeze

Sunrise & sunset in December

DaylightNight

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

Days shrink by about 12 minutes over December. Sunrise moves from 7:39 AM to 7:59 AM, and sunset from 4:37 PM to 4:45 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.07:394:37
28.97:404:37
38.97:424:37
48.97:434:37
58.97:444:36
68.97:444:36
78.87:454:36
88.87:464:36
98.87:474:36
108.87:484:36
118.87:494:36
128.87:504:36
138.87:514:36
148.87:514:36
158.77:524:37
168.77:534:37
178.77:534:37
188.77:544:37
198.77:554:38
208.77:554:38
218.77:564:39
228.77:564:39
238.77:574:40
248.77:574:40
258.77:574:41
268.77:584:41
278.77:584:42
288.77:584:43
298.77:594:43
308.87:594:44
318.87:594:45

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 1.41 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 1.41 kWh/m² to a high of 6.98 kWh/m² in July across the year — December's 1.41 kWh/m² sits near the bottom.

00.511.522.5151015202531
Solar energy (kWh/m²)Level
11.5Dim
21.5Dim
31.5Dim
41.5Dim
51.5Dim
61.5Dim
71.5Dim
81.5Dim
91.5Dim
101.4Dim
111.4Dim
121.4Dim
131.4Dim
141.4Dim
151.4Dim
161.4Dim
171.4Dim
181.4Dim
191.4Dim
201.4Dim
211.4Dim
221.4Dim
231.4Dim
241.4Dim
251.4Dim
261.4Dim
271.4Dim
281.4Dim
291.4Dim
301.4Dim
311.4Dim
Planning a trip in December

Hazard calendar for Massarosa

In seasonPeak

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

Massarosa'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 Massarosa?

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

2.9
Sightseeing
10th-best month of the year
0.0
Beach & pool
10th-best month of the year

December is a weaker month for outdoor sightseeing in Massarosa.

What to pack for Massarosa in December

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

In December, Massarosa sees daytime highs around 12°C and nights near 8°C. Pack a warm layer. Worth having: rain gear. About 13 days see rain.

a warm layerrain gear

Sea temperature near Massarosa in December

The nearest coast averages about 16°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 25°C and coldest in February near 13°C.

It's comfortable for a long swim from Jun 1 to Oct 20 — about 4.7 months when the water holds above 20°C.

10°15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan14Bracing
Feb13Bracing
Mar14Bracing
Apr15Cool
May18Cool
Jun22Refreshing
Jul25Warm
Aug25Warm
Sep23Refreshing
Oct20Refreshing
Nov18Cool
Dec16Cool

UV index in Massarosa in December

LowModerateHighVery highExtreme

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

Under clear skies, the midday UV index in Massarosa peaks around July 13 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 10 at about 1 (low).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJul 13UV 9Jan 10UV 1
UV index (midday)Level
Jan1Low
Feb3Moderate
Mar5Moderate
Apr7High
May6High
Jun8Very high
Jul9Very high
Aug7Very high
Sep5Moderate
Oct3Moderate
Nov2Low
Dec1Low
Location & terrain

Where is Massarosa?

Massarosa sits at 43.9°N, 10.3°E, 10 m above sea level, in Italy. The nearest listed city is Viareggio, 8.0 km away.

Topography around Massarosa

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

Within 3 km, the terrain around Massarosa has significant variations in elevation — a maximum elevation change of 455 m around an average of 93 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,297 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,111 m.

The land around Massarosa is covered by trees (57%) within 3 km, trees (55%) within 16 km, and trees (52%) and water (30%) within 80 km.

3 km
455 m
16 km
1,297 m
80 km
2,111 m
treesshrubsgrasslandcroplandartificial surfaceswaterwetland
December weather nearby: Viareggio 8.0 km · Camaiore 9.0 km · Lucca 13 km · Pietrasanta 14 km · Pisa 18 km · Capannori 18 km · Marina di Massa 24 km · Massa 25 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 Massarosa (43.8664°, 10.3446°, 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).