Jesi weather in December

In December, Jesi sees average daytime highs of 11°C and overnight lows near 4°C, with 69 mm of precipitation across 10.1 wet days and about 8.8 hours of daylight. It is the 10th-warmest and 4th-wettest month of the year here.

Highs ease over the month, from about 12°C in the first days to 10°C by the end. The sky is clear or mostly clear about 32% 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 Jesi's 10th-clearest and 4th-windiest month. For the whole year in context, see Jesi's year-round climate.

Daytime high
11°
10th warmest
Overnight low
3rd coldest
Precipitation
69 mm
10.1 wet days
Daylight
8 h 48 min
7:40 AM – 4:27 PM
Cloud cover
59%
10th clearest
Wind
9 km/h
4th windiest
Solar energy
1.44 kWh/m²
Travel score
2.5
out of 10

Jesi is chief town of the homonym municipality.

Air quality
Elevated
PM2.5 17.1 µg/m³ · 2016

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 10°C by the end.

A typical December day in Jesi reaches about 11°C in the afternoon and slips back to 4°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 6°C and 14°C. Set against its neighbours, December runs about 4°C cooler than November and about 1°C warmer than January.

-5°10°15°20°151015202531
Avg high (°C)Avg low (°C)
1126
2126
3125
4125
5115
6115
7115
8115
9115
10115
11114
12114
13114
14114
15104
16104
17104
18104
19103
20103
21103
22103
23103
24103
25103
26103
27103
28103
29103
30103
31103

How December really feels in Jesi

Once humidity and wind are folded in, December averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

December sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Jesi weather by month

How December compares with the rest of the year at a glance. December is the 10th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan10° / 518.71.39.12.1
Feb11° / 568.91.510.22.6
Mar14° / 689.70.711.64.2
Apr17° / 7210.7013.25.5
May22° / 13°6910.3014.56.8
Jun27° / 17°508.1015.26.9
Jul30° / 20°386.3014.96.0
Aug30° / 19°497.6013.86.0
Sep25° / 16°678.6012.37.2
Oct20° / 12°628.7010.86.6
Nov15° / 7510.50.39.54.3
Dec11° / 6910.11.28.82.5

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 32% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 14% of December, with mostly cloudy or overcast conditions the remaining 54%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14258
24357
34456
44456
54456
64555
74555
84555
94654
104654
114753
124753
134753
144654
154654
164852
174753
184753
194753
204753
214753
224753
234753
244753
254753
264654
274654
284654
294555
304555
314555

Chance of precipitation in December

Any precipitationSnow

Jesi gets around 69 mm of rain and snow over 10.1 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 33% and peaks near 37% on the wettest days, and about 1 day brings snow. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)Snow chance (%)
1371
2371
3371
4361
5361
6362
7362
8362
9353
10353
11353
12344
13344
14334
15324
16324
17315
18315
19315
20305
21305
22305
23305
24305
25305
26305
27305
28305
29305
30305
31305

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 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)
1991
2991
31000
41000
51000
61000
71000
81000
91000
101000
111000
121000
131000
141000
151000
161000
171000
181000
191000
201000
211000
221000
231000
241000
251000
261000
271000
281000
291000
301000
311000

Wind in December

Winds average 9 km/h in December.

Across December, daily wind ranges from about 9 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm
319calm

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 7:27 AM to 7:46 AM, and sunset from 4:27 PM to 4:34 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.07:274:27
29.07:284:27
39.07:294:26
48.97:304:26
58.97:314:26
68.97:324:26
78.97:334:26
88.97:344:26
98.97:344:26
108.87:354:26
118.87:364:26
128.87:374:26
138.87:384:26
148.87:384:26
158.87:394:26
168.87:404:27
178.87:404:27
188.87:414:27
198.87:424:27
208.87:424:28
218.87:434:28
228.87:434:29
238.87:444:29
248.87:444:30
258.87:454:30
268.87:454:31
278.87:454:32
288.87:454:32
298.87:464:33
308.87:464:34
318.87:464:34

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 1.44 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 1.44 kWh/m² to a high of 6.92 kWh/m² in July across the year — December's 1.44 kWh/m² sits near the bottom.

00.511.52151015202531
Solar energy (kWh/m²)Level
11.5Dim
21.5Dim
31.5Dim
41.5Dim
51.5Dim
61.5Dim
71.5Dim
81.4Dim
91.4Dim
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
291.5Dim
301.5Dim
311.5Dim
Planning a trip in December

Is December a good time to visit Jesi?

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

2.5
Sightseeing
11th-best month of the year
0.0
Beach & pool
10th-best month of the year

December is a weaker month for outdoor sightseeing in Jesi.

What to pack for Jesi in December

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

In December, Jesi sees daytime highs around 11°C and nights near 4°C. Pack a warm layer. Worth having: rain gear. About 10 days see rain.

a warm layerrain gear

Sea temperature near Jesi in December

The nearest coast averages about 14°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 16 km away) is warmest in August at about 26°C and coldest in March near 11°C.

It's comfortable for a long swim from Jun 2 to Oct 10 — about 4.3 months when the water holds above 20°C.

10°15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan13Bracing
Feb11Bracing
Mar11Bracing
Apr13Bracing
May18Cool
Jun22Refreshing
Jul25Warm
Aug26Warm
Sep23Refreshing
Oct19Cool
Nov16Cool
Dec14Bracing

UV index in Jesi 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 Jesi 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 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJul 16UV 9Dec 22UV 1
UV index (midday)Level
Jan1Low
Feb3Moderate
Mar5Moderate
Apr6High
May7High
Jun8Very high
Jul9Very high
Aug8Very high
Sep5High
Oct3Moderate
Nov2Low
Dec1Low

Air quality in Jesi in December

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where December falls, not just the annual average.

Air quality in Jesi is worst in March — around 22 µg/m³ PM2.5 (moderate), about 1.6× the cleanest month (September, 14 µg/m³).

Seasonal pattern from CAMS reanalysis, scaled to Jesi's WHO annual average of 17.1 µg/m³.

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateMar 1922 µg/m³Sep 1414 µg/m³
PM2.5 (µg/m³)Level
Jan17Moderate
Feb20Moderate
Mar22Moderate
Apr21Moderate
May18Moderate
Jun18Moderate
Jul15Moderate
Aug15Moderate
Sep14Moderate
Oct16Moderate
Nov14Moderate
Dec14Moderate
Location & terrain

Where is Jesi?

Jesi sits at 43.5°N, 13.2°E, 97 m above sea level, in Italy. The nearest listed city is Falconara Marittima, 17 km away.

Topography around Jesi

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

Within 3 km, the terrain around Jesi has only modest variations in elevation — a maximum elevation change of 147 m around an average of 89 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 645 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,455 m.

The land around Jesi is covered by cropland (43%) and trees (23%) within 3 km, cropland (61%) within 16 km, and trees (34%), water (29%) and cropland (22%) within 80 km.

3 km
147 m
16 km
645 m
80 km
2,455 m
treesshrubsgrasslandcroplandartificial surfaceswater
December weather nearby: Falconara Marittima 17 km · Osimo 20 km · Senigallia 22 km · Ancona 24 km · Macerata 30 km · Fabriano 34 km · Tolentino 35 km · Fano 40 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 Jesi (43.5214°, 13.2437°, elevation 97 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. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).