Patras weather in December

In December, Patras sees average daytime highs of 13°C and overnight lows near 7°C, with 126 mm of precipitation across 13.1 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 30% 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 Patras's 12th-clearest and 2nd-windiest month. For the whole year in context, see Patras's year-round climate.

Daytime high
13°
10th warmest
Overnight low
3rd coldest
Precipitation
126 mm
13.1 wet days
Daylight
9 h 24 min
7:49 AM – 5:10 PM
Cloud cover
59%
12th clearest
Wind
7 km/h
2nd windiest
Solar energy
1.85 kWh/m²
Travel score
3.3
out of 10

Patras is city in Greece.

Density
1,340/km²
people per km²

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 14°C in the first days to 12°C by the end.

A typical December day in Patras reaches about 13°C in the afternoon and slips back to 7°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 9°C and 16°C. Set against its neighbours, December runs about 4°C cooler than November and about 1°C warmer than January.

10°15°20°151015202531
Avg high (°C)Avg low (°C)
1148
2148
3148
4148
5148
6148
7147
8137
9137
10137
11137
12137
13137
14137
15136
16126
17126
18126
19126
20126
21126
22126
23126
24126
25126
26126
27126
28126
29126
30126
31126

Patras 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.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan11° / 11811.50.39.62.8
Feb12° / 11111.90.510.53.0
Mar14° / 9911.90.111.74.1
Apr18° / 10°709.70135.8
May22° / 14°528.50147.3
Jun27° / 18°234.1014.67.9
Jul30° / 21°133.3014.46.7
Aug30° / 21°143.3013.56.3
Sep26° / 18°516.8012.37.7
Oct22° / 14°748.10117.2
Nov17° / 10°12310.809.95.4
Dec13° / 12613.10.29.43.3

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 30% of the time in December, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 17% of December, with mostly cloudy or overcast conditions the remaining 53%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14555
24654
34654
44753
54753
64753
74852
84852
94753
104852
114852
124852
134852
144753
154852
164852
174753
184753
194753
204753
214753
224753
234753
244753
254753
264753
274753
284852
294852
304852
314951

Chance of precipitation in December

Any precipitation

Patras gets around 126 mm of rain and snow over 13.1 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 43% on the wettest days, and about 0 day brings snow.

0%10%20%30%40%50%151015202531
Rain chance (%)
142
242
343
443
543
643
743
843
943
1043
1143
1243
1343
1443
1543
1642
1742
1842
1941
2041
2141
2241
2341
2441
2541
2641
2741
2841
2941
3040
3140

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
3991
4991
5991
6991
7991
81000
91000
101000
111000
121000
131000
141000
151000
161000
171000
181000
191000
201000
211000
221000
23991
24991
25991
26991
27991
28991
29991
30991
31991

Wind in December

Winds average 7 km/h in December.

Across December, daily wind ranges from about 7 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm
317calm

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 7:37 AM to 7:55 AM, and sunset from 5:09 PM to 5:17 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.57:375:09
29.57:385:09
39.57:395:09
49.57:405:08
59.57:405:08
69.57:415:08
79.47:425:08
89.47:435:08
99.47:445:08
109.47:445:09
119.47:455:09
129.47:465:09
139.47:475:09
149.47:475:09
159.47:485:10
169.47:495:10
179.37:495:10
189.37:505:10
199.37:505:11
209.37:515:11
219.37:515:12
229.37:525:12
239.37:525:13
249.37:535:13
259.37:535:14
269.37:545:14
279.37:545:15
289.47:545:15
299.47:555:16
309.47:555:17
319.47:555:17

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 1.85 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 1.85 kWh/m² to a high of 7.32 kWh/m² in June across the year — December's 1.85 kWh/m² sits near the bottom.

00.511.522.5151015202531
Solar energy (kWh/m²)Level
12.0Dim
22.0Dim
31.9Dim
41.9Dim
51.9Dim
61.9Dim
71.9Dim
81.9Dim
91.9Dim
101.9Dim
111.9Dim
121.9Dim
131.9Dim
141.9Dim
151.8Dim
161.8Dim
171.8Dim
181.8Dim
191.8Dim
201.8Dim
211.8Dim
221.8Dim
231.8Dim
241.8Dim
251.8Dim
261.9Dim
271.9Dim
281.9Dim
291.9Dim
301.9Dim
311.9Dim
Planning a trip in December

Hazard calendar for Patras

In seasonPeak

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

Patras's rainy season runs October–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 Patras?

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

3.3
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 Patras.

What to pack for Patras in December

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

In December, Patras sees daytime highs around 13°C and nights near 7°C. Worth packing: a warm layer and rain gear. About 13 days see rain.

a warm layerrain gear

Sea temperature near Patras 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 17 km away) is warmest in August at about 26°C and coldest in February near 15°C.

It's comfortable for a long swim from May 28 to Nov 16 — about 5.7 months when the water holds above 20°C.

15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan15Cool
Feb15Bracing
Mar15Bracing
Apr16Cool
May19Cool
Jun22Refreshing
Jul25Warm
Aug26Warm
Sep25Warm
Oct23Refreshing
Nov20Refreshing
Dec17Cool

UV index in Patras 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 Patras peaks around June 21 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 23 at about 2 (low).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighHighVery highHighModerateJun 21UV 9Dec 23UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar5High
Apr7Very high
May7High
Jun9Very high
Jul9Very high
Aug9Very high
Sep7High
Oct5Moderate
Nov3Moderate
Dec2Low

Air quality in Patras 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 Patras is worst in April — around 16 µg/m³ PM2.5 (moderate), about 1.9× the cleanest month (December, 9 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodApr 1616 µg/m³Dec 139 µg/m³
PM2.5 (µg/m³)Level
Jan12Good
Feb13Moderate
Mar15Moderate
Apr16Moderate
May15Moderate
Jun12Moderate
Jul13Moderate
Aug15Moderate
Sep10Good
Oct10Good
Nov10Good
Dec9Good
Location & terrain

Where is Patras?

Patras sits at 38.2°N, 21.7°E, 52 m above sea level, in Greece. The nearest listed city is Aígio, 30 km away.

AgrínioAmaliádaArchaia OlympiaPýrgosDelphiZakynthosLamía

Topography around Patras

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

Within 3 km, the terrain around Patras has significant variations in elevation — a maximum elevation change of 267 m around an average of 33 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,919 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,466 m.

The land around Patras is covered by water (41%), artificial surfaces (36%) and trees (20%) within 3 km, water (43%) and trees (37%) within 16 km, and trees (52%) and water (27%) within 80 km.

3 km
267 m
16 km
1,919 m
80 km
2,466 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: Aígio 30 km · Agrínio 51 km · Amaliáda 60 km · Archaia Olympia 67 km · Pýrgos 69 km · Delphi 71 km · Zakynthos 90 km · Lamía 95 km

Greece travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type C / F
230 V · 50 Hz
Prices
≈ 60% of US
price level, 2025
GDP per capita
$26,948
2025
Happiness
5.7 / 10
World Happiness, 2025
Safe drinking water
97%
of population, 2024
Homicide rate
0.8
per 100k, 2023
Road deaths
8.3
per 100k/yr, 2019
Income group
High
World Bank
English
High
EF EPI 592
Religion
other 3%Muslim 2%

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 Patras (38.2462°, 21.7351°, elevation 52 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).