Néa Ionía weather in December

In December, Néa Ionía sees average daytime highs of 11°C and overnight lows near 7°C, with 110 mm of precipitation across 11.3 wet days and about 9.3 hours of daylight. It is the 10th-warmest and 1st-wettest month of the year here.

Highs ease over the month, from about 13°C in the first days to 10°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 24 min at the start of December to 9 h 18 min by month's end. Set against the rest of the year, December is Néa Ionía's 12th-clearest and 2nd-windiest month. For the whole year in context, see Néa Ionía's year-round climate.

Daytime high
11°
10th warmest
Overnight low
3rd coldest
Precipitation
110 mm
11.3 wet days
Daylight
9 h 12 min
7:47 AM – 5:02 PM
Cloud cover
60%
12th clearest
Wind
13 km/h
2nd windiest
Solar energy
1.68 kWh/m²
Travel score
2.9
out of 10

Néa Ionía is city in Magnesia, Thessaly, Greece.

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 13°C in the first days to 10°C by the end.

A typical December day in Néa Ionía reaches about 11°C in the afternoon and slips back to 7°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 7°C and 15°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)
1139
2139
3139
4139
5139
6138
7128
8128
9128
10128
11128
12128
13127
14117
15117
16117
17117
18117
19117
20117
21117
22117
23117
24117
25116
26116
27116
28116
29116
30106
31106

Néa Ionía 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
Jan10° / 9610.41.59.52.4
Feb11° / 8310.41.710.52.8
Mar13° / 849.90.511.73.9
Apr17° / 11°507.30135.8
May21° / 15°455.9014.17.4
Jun25° / 20°213.8014.78.4
Jul28° / 22°262.8014.58.3
Aug28° / 22°213.3013.58.1
Sep24° / 19°606.1012.38.1
Oct20° / 15°888.20116.7
Nov15° / 11°839.209.84.9
Dec11° / 11011.31.29.32.9

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 (%)
14456
24456
34456
44555
54456
64555
74555
84555
94654
104654
114654
124654
134654
144654
154555
164654
174654
184654
194555
204555
214555
224555
234555
244555
254555
264555
274555
284654
294654
304654
314852

Chance of precipitation in December

Any precipitationSnow

Néa Ionía gets around 110 mm of rain and snow over 11.3 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 36% and peaks near 38% on the wettest days, and about 1 day brings snow.

0%10%20%30%40%50%151015202531
Rain chance (%)Snow chance (%)
1351
2352
3362
4362
5373
6373
7373
8383
9384
10384
11384
12384
13384
14384
15374
16374
17364
18364
19354
20354
21354
22354
23344
24344
25354
26355
27355
28355
29355
30355
31355

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 (%)
1964
2973
3973
4973
5982
6982
7982
8982
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 13 km/h in December.

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
113light breeze
213light breeze
313light breeze
413light breeze
513light breeze
613light breeze
713light breeze
813light breeze
913light breeze
1013light breeze
1113light breeze
1213light breeze
1313light breeze
1413light breeze
1513light breeze
1613light breeze
1713light breeze
1813light breeze
1913light breeze
2013light breeze
2113light breeze
2213light breeze
2313light breeze
2413light breeze
2514light breeze
2614light breeze
2714light breeze
2814light breeze
2914light breeze
3014light breeze
3114light breeze

Sunrise & sunset in December

DaylightNight

Daylight runs from about 9 h 24 min at the start of December to 9 h 18 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 7:35 AM to 7:54 AM, and sunset from 5:01 PM to 5:09 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.47:355:01
29.47:365:01
39.47:375:01
49.47:385:00
59.47:395:00
69.37:405:00
79.37:415:00
89.37:415:00
99.37:425:00
109.37:435:00
119.37:445:01
129.37:455:01
139.37:455:01
149.37:465:01
159.27:475:01
169.27:475:02
179.27:485:02
189.27:495:02
199.27:495:03
209.27:505:03
219.27:505:03
229.27:515:04
239.27:515:04
249.27:525:05
259.27:525:05
269.27:525:06
279.27:535:07
289.27:535:07
299.27:535:08
309.37:535:09
319.37:545:09

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 1.68 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 1.68 kWh/m² to a high of 7.32 kWh/m² in June across the year — December's 1.68 kWh/m² sits near the bottom.

00.511.522.5151015202531
Solar energy (kWh/m²)Level
11.8Dim
21.8Dim
31.8Dim
41.7Dim
51.7Dim
61.7Dim
71.7Dim
81.7Dim
91.7Dim
101.7Dim
111.7Dim
121.7Dim
131.7Dim
141.7Dim
151.7Dim
161.7Dim
171.7Dim
181.7Dim
191.7Dim
201.7Dim
211.7Dim
221.7Dim
231.7Dim
241.7Dim
251.7Dim
261.7Dim
271.7Dim
281.8Dim
291.8Dim
301.8Dim
311.8Dim
Planning a trip in December

Is December a good time to visit Néa Ionía?

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 Néa Ionía.

What to pack for Néa Ionía in December

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

In December, Néa Ionía sees daytime highs around 11°C and nights near 7°C. Pack a warm layer. Worth having: rain gear. About 11 days see rain.

a warm layerrain gear

Sea temperature near Néa Ionía 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 32 km away) is warmest in August at about 26°C and coldest in February near 14°C.

It's comfortable for a long swim from May 27 to Oct 27 — about 5.1 months when the water holds above 20°C.

10°15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan14Bracing
Feb14Bracing
Mar14Bracing
Apr15Cool
May19Cool
Jun23Refreshing
Jul25Warm
Aug26Warm
Sep24Warm
Oct21Refreshing
Nov18Cool
Dec16Cool

UV index in Néa Ionía 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 Néa Ionía peaks around June 22 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateLowJun 22UV 9Dec 23UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar5Moderate
Apr7Very high
May7High
Jun9Very high
Jul9Very high
Aug9Very high
Sep7High
Oct4Moderate
Nov3Moderate
Dec2Low

Air quality in Néa Ionía 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 Néa Ionía is worst in August — around 16 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (December, 8 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodModerateGoodAug 1615 µg/m³Dec 148 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb11Good
Mar14Moderate
Apr13Moderate
May12Good
Jun10Good
Jul10Good
Aug16Moderate
Sep9Good
Oct9Good
Nov9Good
Dec8Good
Location & terrain

Where is Néa Ionía?

Néa Ionía sits at 39.4°N, 22.9°E, 34 m above sea level, in Greece. The nearest listed city is Volos, 2.0 km away.

LárisaLamíaKardítsaTríkalaLivadeiáKateríniDelphi

Topography around Néa Ionía

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

Within 3 km, the terrain around Néa Ionía has significant variations in elevation — a maximum elevation change of 379 m around an average of 60 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,603 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,945 m.

The land around Néa Ionía is covered by artificial surfaces (41%), grassland (25%) and trees (21%) within 3 km, trees (45%) and water (23%) within 16 km, and water (45%) and trees (29%) within 80 km.

3 km
379 m
16 km
1,603 m
80 km
1,945 m
treesshrubsgrasslandcroplandartificial surfaceswater
December weather nearby: Volos 2.0 km · Lárisa 52 km · Lamía 68 km · Kardítsa 86 km · Tríkala 101 km · Livadeiá 105 km · Kateríni 105 km · Delphi 107 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 Néa Ionía (39.379°, 22.9275°, elevation 34 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).