Mégara weather in January

In January, Mégara sees average daytime highs of 11°C and overnight lows near 7°C, with 55 mm of precipitation across 8 wet days and about 9.7 hours of daylight. It is the 12th-warmest and 2nd-wettest month of the year here.

Day-to-day highs hold fairly steady near 11°C through the month. The sky is clear or mostly clear about 34% 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 hours by month's end. Set against the rest of the year, January is Mégara's 11th-clearest and 3rd-windiest month. For the whole year in context, see Mégara's year-round climate.

Daytime high
11°
12th warmest
Overnight low
1st coldest
Precipitation
55 mm
8 wet days
Daylight
9 h 36 min
7:47 AM – 5:25 PM
Cloud cover
56%
11th clearest
Wind
11 km/h
3rd windiest
Solar energy
2.2 kWh/m²
Travel score
3.0
out of 10

Mégara is city in western Attica, Greece.

Density
73/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 11°C through the month.

A typical January day in Mégara 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, January runs about 1°C cooler than December and on par with February.

10°15°20°151015202531
Avg high (°C)Avg low (°C)
1128
2128
3127
4127
5117
6117
7117
8117
9117
10117
11117
12117
13117
14117
15117
16117
17117
18117
19117
20117
21117
22117
23117
24117
25117
26117
27117
28117
29117
30117
31117

Mégara weather by month

How January compares with the rest of the year at a glance. January is the 12th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan11° / 5580.59.73.0
Feb12° / 487.40.610.53.4
Mar14° / 536.90.211.74.7
Apr18° / 12°264.70136.7
May23° / 16°194.10148.2
Jun28° / 20°71.6014.68.1
Jul30° / 23°30.7014.46.9
Aug30° / 23°30.8013.57.0
Sep26° / 20°162.4012.38.4
Oct22° / 16°324.50117.8
Nov17° / 12°506.709.95.8
Dec13° / 618.50.49.43.6

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 34% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 16% of January, with mostly cloudy or overcast conditions the remaining 49%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15149
25248
35248
45347
55347
65347
75347
85347
95347
105347
115347
125248
135248
145149
155050
164951
174951
184852
194852
204951
214852
224852
234852
244852
254852
264951
274951
284951
295050
305050
315149

Chance of precipitation in January

Any precipitationSnow

Mégara gets around 55 mm of rain and snow over 8 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 26% and peaks near 29% on the wettest days, and about 1 day brings snow.

0%10%20%30%40%151015202531
Rain chance (%)Snow chance (%)
1282
2282
3272
4272
5272
6262
7262
8251
9251
10241
11241
12241
13241
14241
15241
16241
17251
18251
19252
20262
21262
22262
23262
24272
25272
26273
27283
28283
29283
30283
31293

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 11 km/h in January.

Across January, daily wind ranges from about 11 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm
3111calm

Sunrise & sunset in January

DaylightNight

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

Days grow by about 36 minutes over January. Sunrise moves from 7:48 AM to 7:39 AM, and sunset from 5:12 PM to 5:41 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.47:485:12
29.47:485:13
39.47:485:13
49.47:485:14
59.47:485:15
69.57:485:16
79.57:485:17
89.57:485:18
99.57:485:18
109.57:485:19
119.57:485:20
129.67:485:21
139.67:485:22
149.67:475:23
159.67:475:24
169.67:475:25
179.77:475:26
189.77:465:27
199.77:465:28
209.77:455:29
219.87:455:30
229.87:455:31
239.87:445:32
249.87:445:33
259.97:435:34
269.97:425:35
279.97:425:36
289.97:415:38
2910.07:415:39
3010.07:405:40
3110.07:395:41

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 2.2 kWh/m².

For context, solar energy here swings from a low near 1.84 kWh/m² to a high of 7.4 kWh/m² in June across the year — January's 2.2 kWh/m² sits near the bottom.

0123151015202531
Solar energy (kWh/m²)Level
11.9Dim
22.0Dim
32.0Dim
42.0Dim
52.0Moderate
62.0Moderate
72.0Moderate
82.1Moderate
92.1Moderate
102.1Moderate
112.1Moderate
122.1Moderate
132.1Moderate
142.2Moderate
152.2Moderate
162.2Moderate
172.2Moderate
182.2Moderate
192.2Moderate
202.3Moderate
212.3Moderate
222.3Moderate
232.3Moderate
242.4Moderate
252.4Moderate
262.4Moderate
272.4Moderate
282.5Moderate
292.5Moderate
302.5Moderate
312.6Moderate
Planning a trip in January

Is January a good time to visit Mégara?

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 Mégara.

What to pack for Mégara in January

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

In January, Mégara sees daytime highs around 11°C and nights near 7°C. Pack a warm layer. Worth having: rain gear. About 8 days see rain.

a warm layerrain gear

Sea temperature near Mégara in January

The nearest coast averages about 15°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 14 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 27 to Nov 17 — about 5.8 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 Mégara 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 Mégara peaks around June 23 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 1 at about 2 (low).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateVery highHighModerateJun 23UV 9Jan 1UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar5Moderate
Apr7Very high
May7High
Jun9Very high
Jul9Very high
Aug9Very high
Sep7High
Oct5Moderate
Nov3Moderate
Dec2Low

Air quality in Mégara 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 Mégara is worst in August — around 21 µg/m³ PM2.5 (moderate), about 2.5× the cleanest month (December, 8 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateModerateGoodAug 1221 µg/m³Dec 149 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb13Moderate
Mar15Moderate
Apr15Moderate
May14Moderate
Jun12Good
Jul18Moderate
Aug21Moderate
Sep11Good
Oct10Good
Nov10Good
Dec8Good
Location & terrain

Where is Mégara?

Mégara sits at 38.0°N, 23.3°E, 35 m above sea level, in Greece. The nearest listed city is Salamína, 14 km away.

Topography around Mégara

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

Within 3 km, the terrain around Mégara has only modest variations in elevation — a maximum elevation change of 187 m around an average of 40 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 2,102 m.

The land around Mégara is covered by grassland (42%) and artificial surfaces (21%) within 3 km, water (38%) and trees (25%) within 16 km, and water (41%) and trees (26%) within 80 km.

3 km
187 m
16 km
1,122 m
80 km
2,102 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
January weather nearby: Salamína 14 km · Elefsína 18 km · Pérama 20 km · Asprópyrgos 23 km · Keratsíni 24 km · Korydallós 27 km · Níkaia 27 km · Piraeus 27 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 Mégara (37.9947°, 23.3432°, elevation 35 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).