Glyfáda in Summer
In summer (June, July and August), Glyfáda sees average daytime highs around 29°C and overnight lows near 23°C, with 7 mm of rain over about 2 wet days across the season. It is the warmest season of the year and the driest season of the year.
Over the season highs climb from about 25°C in early June to 29°C by late August. The sky is clear or mostly clear about 94% of the time across summer, and the air most often feels humid.
Summer is Glyfáda's 2nd-best season to visit on our travel score. For the whole year in context, see Glyfáda's year-round climate.
- Avg daytime high
- 29°C
- warmest season of the year
- Avg overnight low
- 23°C
- Rainfall
- 7 mm
- 2 wet days
- Avg wind
- 13 km/h
- Travel score
- 7.5
- 2nd-best season
- Months
- Jun · Jul · Aug
Temperature in Glyfáda in Summer
Over the season highs climb from about 25°C in early June to 29°C by late August.
A typical summer day in Glyfáda reaches about 29°C and drops to 23°C overnight. The warmest of the three months is August, the coolest June.
Glyfáda weather by month
How the three summer months (June, July and August) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 13° / 10° | 51 | 7 | 9.7 | 3.9 |
| Feb | 13° / 10° | 42 | 6.6 | 10.5 | 4.2 |
| Mar | 15° / 11° | 44 | 5.4 | 11.7 | 5.4 |
| Apr | 18° / 14° | 19 | 3.6 | 13 | 7.1 |
| May | 23° / 17° | 11 | 2.6 | 14 | 8.4 |
| Jun | 27° / 22° | 4 | 1.2 | 14.6 | 8.5 |
| Jul | 30° / 24° | 2 | 0.6 | 14.4 | 7.1 |
| Aug | 30° / 25° | 1 | 0.4 | 13.5 | 7.0 |
| Sep | 27° / 22° | 11 | 1.8 | 12.3 | 8.5 |
| Oct | 23° / 18° | 26 | 3 | 11 | 8.3 |
| Nov | 18° / 15° | 47 | 5.9 | 10 | 6.6 |
| Dec | 14° / 11° | 61 | 7.5 | 9.4 | 4.6 |
Cloud cover in Summer
The sky is clear or mostly clear about 94% of the time across summer.
Chance of precipitation in Summer
Glyfáda gets around 7 mm of rain over 2 wet days across summer. The line is the day-by-day chance of measurable precipitation.
Humidity in Summer
Most of summer feels humid — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Summer
Winds average 13 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 14 h 24 min in early June to 12 h 54 min by late August. The lit band spans sunrise to sunset each day.
Solar energy in Summer
Average shortwave solar energy reaching the ground each day across summer, about 7.3 kWh/m².
Is summer a good time to visit Glyfáda?
Our two travel scores rate summer for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
summer is one of the better times to visit Glyfáda for general sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Glyfáda in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Glyfáda sees daytime highs around 29°C and nights near 23°C. Pack light clothes and sun protection.
Sea temperature near Glyfáda in Summer
The nearest coast averages about 24°C across summer — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea offshore is warmest in August at about 26°C and coldest in February near 15°C.
It's comfortable for a long swim from May 28 to Nov 16 — about 5.7 months when the water holds above 20°C.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 15 | 15 | 15 | 16 | 19 | 22 | 25 | 26 | 25 | 23 | 20 | 17 |
| Comfort | Cool | Bracing | Bracing | Cool | Cool | Refreshing | Warm | Warm | Warm | Refreshing | Refreshing | Cool |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 15 | Cool |
| Feb | 15 | Bracing |
| Mar | 15 | Bracing |
| Apr | 16 | Cool |
| May | 19 | Cool |
| Jun | 22 | Refreshing |
| Jul | 25 | Warm |
| Aug | 26 | Warm |
| Sep | 25 | Warm |
| Oct | 23 | Refreshing |
| Nov | 20 | Refreshing |
| Dec | 17 | Cool |
UV index in Glyfáda in Summer
Clear-sky midday UV across summer averages 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 Glyfáda peaks around July 13 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.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 2 | 3 | 5 | 7 | 7 | 9 | 9 | 9 | 7 | 5 | 3 | 2 |
| Level | Low | Moderate | Moderate | Very high | High | Very high | Very high | Very high | Very high | Moderate | Moderate | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 2 | Low |
| Feb | 3 | Moderate |
| Mar | 5 | Moderate |
| Apr | 7 | Very high |
| May | 7 | High |
| Jun | 9 | Very high |
| Jul | 9 | Very high |
| Aug | 9 | Very high |
| Sep | 7 | Very high |
| Oct | 5 | Moderate |
| Nov | 3 | Moderate |
| Dec | 2 | Low |
Air quality in Glyfáda in Summer
Average fine-particle pollution (PM2.5) through the year — so you can see where summer falls, not just the annual average.
Air quality in Glyfáda is worst in July — around 19 µg/m³ PM2.5 (moderate), about 2.5× the cleanest month (December, 7 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 10 | 12 | 14 | 14 | 13 | 15 | 19 | 15 | 10 | 8 | 10 | 7 |
| Level | Good | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Good | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 10 | Good |
| Feb | 12 | Moderate |
| Mar | 14 | Moderate |
| Apr | 14 | Moderate |
| May | 13 | Moderate |
| Jun | 15 | Moderate |
| Jul | 19 | Moderate |
| Aug | 15 | Moderate |
| Sep | 10 | Good |
| Oct | 8 | Good |
| Nov | 10 | Good |
| Dec | 7 | Good |
Where is Glyfáda?
Glyfáda sits at 37.9°N, 23.8°E, 24 m above sea level, in Greece. The nearest listed city is Voúla, 3.0 km away.
Topography around Glyfáda
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Glyfáda.
Within 3 km, the terrain around Glyfáda has significant variations in elevation — a maximum elevation change of 558 m around an average of 77 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,025 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,400 m.
The land around Glyfáda is covered by artificial surfaces (45%) and water (25%) within 3 km, water (49%) and artificial surfaces (20%) within 16 km, and water (56%) within 80 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
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 Glyfáda (37.8629°, 23.758°, elevation 24 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.