Mégara weather in August

In August, Mégara sees average daytime highs of 30°C and overnight lows near 23°C, with 3 mm of rain across 0.8 wet days and about 13.5 hours of daylight. It is the 1st-warmest and 12th-wettest month of the year here.

Day-to-day highs hold fairly steady near 30°C through the month. The sky is clear or mostly clear about 96% of the time in August, and the air most often feels humid.

Daylight stretches from about 14 hours at the start of August to 12 h 54 min by month's end. Set against the rest of the year, August is Mégara's 2nd-clearest and 4th-windiest month. For the whole year in context, see Mégara's year-round climate.

Daytime high
30°
1st warmest
Overnight low
23°
12th coldest
Rainfall
3 mm
0.8 wet days
Daylight
13 h 30 min
5:46 AM – 7:15 PM
Cloud cover
10%
2nd clearest
Wind
10 km/h
4th windiest
Solar energy
6.63 kWh/m²
Travel score
7.0
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 August

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 30°C through the month.

A typical August day in Mégara reaches about 30°C in the afternoon and slips back to 23°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 32°C. Set against its neighbours, August runs on par with July and about 4°C warmer than September.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13024
23024
33024
43024
53024
63024
73024
83024
93024
103024
113024
123024
133023
143023
153023
163023
173023
183023
193023
203023
213023
223023
233023
243023
252923
262923
272923
282923
292922
302922
312922

Mégara weather by month

How August compares with the rest of the year at a glance. August is the 1st-warmest and 12th-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 August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 96% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 3% of August, with mostly cloudy or overcast conditions the remaining 1%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11000
21000
31000
41000
51000
61000
71000
81000
91000
101000
111000
121000
13991
14991
15991
16991
17991
18991
19991
20991
21991
22991
23982
24982
25973
26973
27973
28973
29973
30973
31973

Chance of precipitation in August

Any precipitation

Mégara gets around 3 mm of rain over 0.8 wet days in August, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 2% and peaks near 4% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
12
22
32
42
52
62
72
82
92
102
112
122
132
142
152
162
172
182
192
202
213
223
233
243
253
263
273
283
294
304
314

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the humid band about 52% of days. Sticky, muggy-or-worse air turns up on roughly 23% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
11185229
21175230
31175230
41175230
51175230
61175230
71185130
81185229
91185328
101195327
111195426
121205425
131205524
141215523
151215622
162215522
172225521
182225521
193225520
203235420
214235320
224235419
235235319
245245219
256245218
267255018
277255018
288254917
299264817
3010264716
3111274715

Wind in August

Winds average 10 km/h in August.

Across August, daily wind ranges from about 10 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
110calm
210calm
310calm
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm
3110calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 14 hours at the start of August to 12 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 66 minutes over August. Sunrise moves from 5:33 AM to 6:00 AM, and sunset from 7:32 PM to 6:54 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.05:337:32
214.05:347:31
313.95:357:30
413.95:367:29
513.95:377:28
613.85:377:27
713.85:387:26
813.85:397:25
913.75:407:24
1013.75:417:23
1113.75:427:21
1213.65:437:20
1313.65:447:19
1413.65:447:18
1513.55:457:16
1613.55:467:15
1713.45:477:14
1813.45:487:13
1913.45:497:11
2013.35:507:10
2113.35:517:08
2213.35:527:07
2313.25:537:06
2413.25:537:04
2513.15:547:03
2613.15:557:01
2713.15:567:00
2813.05:576:58
2913.05:586:57
3012.95:596:55
3112.96:006:54

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 6.63 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 — August's 6.63 kWh/m² falls in the middle.

02468151015202531
Solar energy (kWh/m²)Level
17.1Intense
27.0Intense
37.0Intense
47.0Intense
57.0Intense
66.9Intense
76.9Intense
86.9Intense
96.8Intense
106.8Intense
116.8Intense
126.8Intense
136.7Intense
146.7Intense
156.7Intense
166.7Intense
176.6Intense
186.6Intense
196.5Intense
206.5Intense
216.5Intense
226.4Intense
236.4Intense
246.3Intense
256.3Intense
266.3Intense
276.2Intense
286.2Intense
296.1Intense
306.1Intense
316.0Intense
Planning a trip in August

Is August a good time to visit Mégara?

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

7.0
Sightseeing
5th-best month of the year
9.2
Beach & pool
2nd-best month of the year

August is one of the better times to visit Mégara for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Mégara in August

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

In August, Mégara sees daytime highs around 30°C and nights near 23°C. Pack light clothes and sun protection.

light clothessun protection

Sea temperature near Mégara in August

The nearest coast averages about 26°C in August — 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 August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 9 (very high — sun protection essential). 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 August

GoodModeratePoorUnhealthyVery unhealthy

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