Nafplio weather in January

In January, Nafplio sees average daytime highs of 12°C and overnight lows near 5°C, with 63 mm of precipitation across 9 wet days and about 9.7 hours of daylight. It is the 12th-warmest and 3rd-wettest month of the year here.

Day-to-day highs hold fairly steady near 12°C through the month. The sky is clear or mostly clear about 31% of the time in January, and the air most often feels dry.

Daylight stretches from about 9 h 24 min at the start of January to 10 h 06 min by month's end. Set against the rest of the year, January is Nafplio's 11th-clearest and 6th-windiest month. For the whole year in context, see Nafplio's year-round climate.

Daytime high
12°
12th warmest
Overnight low
1st coldest
Precipitation
63 mm
9 wet days
Daylight
9 h 42 min
7:48 AM – 5:28 PM
Cloud cover
59%
11th clearest
Wind
7 km/h
6th windiest
Solar energy
2.25 kWh/m²
Travel score
3.0
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 January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 12°C through the month.

A typical January day in Nafplio reaches about 12°C in the afternoon and slips back to 5°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 7°C and 16°C. Set against its neighbours, January runs about 1°C cooler than December and about 1°C cooler than February.

10°15°20°151015202531
Avg high (°C)Avg low (°C)
1125
2125
3125
4125
5125
6125
7125
8125
9125
10125
11125
12115
13115
14115
15115
16115
17115
18115
19115
20115
21115
22115
23115
24115
25125
26125
27125
28125
29125
30125
31125

Nafplio weather by month

How January compares with the rest of the year at a glance. January is the 12th-warmest and 3rd-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 January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 31% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 14% of January, with mostly cloudy or overcast conditions the remaining 54%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14753
24753
34753
44852
54852
64852
74852
84753
94753
104753
114555
124654
134654
144456
154357
164258
174258
184159
194159
204159
214357
224357
234456
244456
254456
264555
274753
284852
294852
304951
315050

Chance of precipitation in January

Any precipitationSnow

Nafplio gets around 63 mm of rain and snow over 9 wet days in January. 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 (%)
1294
2294
3284
4284
5284
6284
7274
8274
9274
10273
11273
12273
13273
14283
15283
16293
17304
18304
19314
20314
21314
22314
23315
24315
25315
26305
27305
28305
29305
30306
31296

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

Most of January feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, January 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 (%)
1100
2100
3100
4100
5100
6100
7100
8100
9100
10100
11100
12100
13100
14100
15100
16100
17100
18100
19100
20100
21100
22100
23100
24100
25100
26100
27100
28100
29100
30100
31100

Wind in January

Winds average 7 km/h in January.

Across January, 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 January

DaylightNight

Daylight runs from about 9 h 24 min at the start of January to 10 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 42 minutes over January. Sunrise moves from 7:49 AM to 7:40 AM, and sunset from 5:15 PM to 5:44 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.47:495:15
29.57:495:16
39.57:495:17
49.57:495:18
59.57:495:18
69.57:495:19
79.57:495:20
89.57:495:21
99.57:495:22
109.67:495:23
119.67:495:24
129.67:495:24
139.67:495:25
149.67:485:26
159.77:485:27
169.77:485:28
179.77:485:29
189.77:475:30
199.77:475:31
209.87:475:32
219.87:465:33
229.87:465:34
239.87:455:35
249.97:455:36
259.97:445:37
269.97:445:38
279.97:435:40
2810.07:425:41
2910.07:425:42
3010.07:415:43
3110.17:405:44

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 2.25 kWh/m².

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 — January's 2.25 kWh/m² sits near the bottom.

0123151015202531
Solar energy (kWh/m²)Level
12.0Dim
22.0Moderate
32.0Moderate
42.0Moderate
52.0Moderate
62.1Moderate
72.1Moderate
82.1Moderate
92.1Moderate
102.1Moderate
112.1Moderate
122.2Moderate
132.2Moderate
142.2Moderate
152.2Moderate
162.2Moderate
172.3Moderate
182.3Moderate
192.3Moderate
202.3Moderate
212.3Moderate
222.4Moderate
232.4Moderate
242.4Moderate
252.4Moderate
262.5Moderate
272.5Moderate
282.5Moderate
292.6Moderate
302.6Moderate
312.6Moderate
Planning a trip in January

Is January a good time to visit Nafplio?

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

3.0
Sightseeing
12th-best month of the year
0.0
Beach & pool
11th-best month of the year

January is a weaker month for outdoor sightseeing in Nafplio.

What to pack for Nafplio in January

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

In January, Nafplio sees daytime highs around 12°C and nights near 5°C. Pack a warm layer. Worth having: rain gear. About 9 days see rain.

a warm layerrain gear

Sea temperature near Nafplio in January

The nearest coast averages about 16°C in January — 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 January

LowModerateHighVery highExtreme

Clear-sky midday UV in January 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 January

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where January 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
January 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).