Nafplio weather in December

In December, Nafplio sees average daytime highs of 13°C and overnight lows near 6°C, with 64 mm of precipitation across 9 wet days and about 9.5 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 31% of the time in December, and the air most often feels dry.

Daylight stretches from about 9 h 36 min at the start of December to 9 h 24 min by month's end. Set against the rest of the year, December is Nafplio's 12th-clearest and 8th-windiest month. For the whole year in context, see Nafplio's year-round climate.

Daytime high
13°
10th warmest
Overnight low
3rd coldest
Precipitation
64 mm
9 wet days
Daylight
9 h 24 min
7:42 AM – 5:07 PM
Cloud cover
61%
12th clearest
Wind
7 km/h
8th windiest
Solar energy
1.89 kWh/m²
Travel score
3.6
out of 10

Nafplio is town in Argolis, Peloponnese, Greece.

Density
434/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 Nafplio reaches about 13°C in the afternoon and slips back to 6°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 8°C and 17°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)
1158
2148
3148
4147
5147
6147
7147
8147
9137
10137
11136
12136
13136
14136
15136
16136
17126
18126
19126
20126
21126
22126
23125
24125
25125
26125
27125
28125
29125
30125
31125

Nafplio 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
Jan12° / 6391.29.73.0
Feb12° / 598.71.510.63.5
Mar15° / 637.90.511.74.8
Apr19° / 325.9012.96.8
May24° / 13°254.40148.1
Jun29° / 18°162.8014.57.2
Jul31° / 21°71.5014.35.9
Aug31° / 21°91.9013.46.0
Sep27° / 18°344.3012.37.7
Oct22° / 14°385.40117.6
Nov17° / 10°556.50105.9
Dec13° / 6490.79.53.6

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 31% of the time in December, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 14% of December, with mostly cloudy or overcast conditions the remaining 55%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14753
24753
34654
44654
54753
64753
74654
84753
94753
104654
114654
124555
134555
144555
154456
164456
174357
184258
194258
204258
214357
224357
234357
244357
254357
264357
274555
284555
294654
304753
314654

Chance of precipitation in December

Any precipitationSnow

Nafplio gets around 64 mm of rain and snow over 9 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 29% and peaks near 31% on the wettest days, and about 1 day brings snow.

0%10%20%30%40%151015202531
Rain chance (%)Snow chance (%)
1261
2271
3271
4281
5281
6291
7291
8301
9301
10301
11311
12311
13311
14311
15301
16301
17291
18292
19282
20282
21282
22283
23283
24283
25283
26284
27284
28284
29294
30294
31294

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 (%)
1982
2982
3991
4991
5991
6991
7991
8991
9991
10991
11991
12991
131000
141000
151000
161000
171000
181000
191000
201000
211000
221000
231000
241000
251000
261000
271000
281000
291000
301000
311000

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 36 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 12 minutes over December. Sunrise moves from 7:31 AM to 7:49 AM, and sunset from 5:06 PM to 5:15 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.67:315:06
29.67:325:06
39.67:325:06
49.57:335:06
59.57:345:06
69.57:355:06
79.57:365:06
89.57:375:06
99.57:375:06
109.57:385:06
119.57:395:06
129.47:405:07
139.47:405:07
149.47:415:07
159.47:425:07
169.47:425:07
179.47:435:08
189.47:445:08
199.47:445:09
209.47:455:09
219.47:455:09
229.47:465:10
239.47:465:10
249.47:475:11
259.47:475:11
269.47:475:12
279.47:485:12
289.47:485:13
299.47:485:14
309.47:495:14
319.47:495:15

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 1.89 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 1.89 kWh/m² to a high of 7.38 kWh/m² in June across the year — December's 1.89 kWh/m² sits near the bottom.

00.511.522.5151015202531
Solar energy (kWh/m²)Level
12.0Moderate
22.0Dim
32.0Dim
42.0Dim
51.9Dim
61.9Dim
71.9Dim
81.9Dim
91.9Dim
101.9Dim
111.9Dim
121.9Dim
131.9Dim
141.9Dim
151.9Dim
161.9Dim
171.9Dim
181.9Dim
191.9Dim
201.9Dim
211.9Dim
221.9Dim
231.9Dim
241.9Dim
251.9Dim
261.9Dim
271.9Dim
281.9Dim
291.9Dim
302.0Dim
312.0Dim
Planning a trip in December

Is December a good time to visit Nafplio?

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
10th-best month of the year

December is a weaker month for outdoor sightseeing in Nafplio.

What to pack for Nafplio in December

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

In December, Nafplio sees daytime highs around 13°C and nights near 6°C. Worth packing: a warm layer and rain gear. About 9 days see rain.

a warm layerrain gear

Sea temperature near Nafplio in December

The nearest coast averages about 18°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 22 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 24 to Nov 21 — about 6 months when the water holds above 20°C.

15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan16Cool
Feb15Cool
Mar15Cool
Apr16Cool
May19Cool
Jun23Refreshing
Jul26Warm
Aug26Warm
Sep25Warm
Oct23Refreshing
Nov21Refreshing
Dec18Cool

UV index in Nafplio 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 Nafplio peaks around June 23 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 10 at about 2 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 10 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highVery highHighModerateJun 23UV 9Jan 10UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar5High
Apr8Very high
May7High
Jun9Very high
Jul9Very high
Aug9Very high
Sep7Very high
Oct5High
Nov3Moderate
Dec2Low

Air quality in Nafplio 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 Nafplio is worst in April — around 17 µg/m³ PM2.5 (moderate), about 1.7× the cleanest month (December, 10 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecModerateModerateGoodApr 1416 µg/m³Dec 1310 µg/m³
PM2.5 (µg/m³)Level
Jan13Moderate
Feb14Moderate
Mar16Moderate
Apr17Moderate
May15Moderate
Jun12Moderate
Jul12Good
Aug14Moderate
Sep10Good
Oct11Good
Nov11Good
Dec10Good
Location & terrain

Where is Nafplio?

Nafplio sits at 37.6°N, 22.8°E, 0 m above sea level, in Greece. The nearest listed city is Árgos, 10 km away.

KórinthosSpartaMégaraSalamínaPéramaElefsína

Topography around Nafplio

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

Within 3 km, the terrain around Nafplio has significant variations in elevation — a maximum elevation change of 295 m around an average of 34 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,122 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,374 m.

The land around Nafplio is covered by water (38%) within 3 km, trees (29%), water (29%) and shrubs (22%) within 16 km, and trees (40%) and water (35%) within 80 km.

3 km
295 m
16 km
1,122 m
80 km
2,374 m
treesshrubsgrasslandcroplandartificial surfaceswaterwetland
December weather nearby: Árgos 10 km · Trípoli 38 km · Kórinthos 43 km · Sparta 64 km · Mégara 67 km · Salamína 75 km · Pérama 81 km · Elefsína 83 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 Nafplio (37.5686°, 22.8069°, elevation 0 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).