Néa Ionía in Summer
In summer (June, July and August), Néa Ionía sees average daytime highs around 27°C and overnight lows near 21°C, with 68 mm of rain over about 10 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 24°C in early June to 27°C by late August. The sky is clear or mostly clear about 86% of the time across summer, and the air most often feels humid.
Summer is Néa Ionía's best season of the year to visit on our travel score. For the whole year in context, see Néa Ionía's year-round climate.
- Avg daytime high
- 27°C
- warmest season of the year
- Avg overnight low
- 21°C
- Rainfall
- 68 mm
- 10 wet days
- Avg wind
- 9 km/h
- Travel score
- 8.3
- best season of the year
- Months
- Jun · Jul · Aug
Temperature in Néa Ionía in Summer
Over the season highs climb from about 24°C in early June to 27°C by late August.
A typical summer day in Néa Ionía reaches about 27°C and drops to 21°C overnight. The warmest of the three months is July, the coolest June.
Néa Ionía 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 | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | 10° / 6° | 96 | 10.4 | 1.5 | 9.5 | 2.4 |
| Feb | 11° / 6° | 83 | 10.4 | 1.7 | 10.5 | 2.8 |
| Mar | 13° / 8° | 84 | 9.9 | 0.5 | 11.7 | 3.9 |
| Apr | 17° / 11° | 50 | 7.3 | 0 | 13 | 5.8 |
| May | 21° / 15° | 45 | 5.9 | 0 | 14.1 | 7.4 |
| Jun | 25° / 20° | 21 | 3.8 | 0 | 14.7 | 8.4 |
| Jul | 28° / 22° | 26 | 2.8 | 0 | 14.5 | 8.3 |
| Aug | 28° / 22° | 21 | 3.3 | 0 | 13.5 | 8.1 |
| Sep | 24° / 19° | 60 | 6.1 | 0 | 12.3 | 8.1 |
| Oct | 20° / 15° | 88 | 8.2 | 0 | 11 | 6.7 |
| Nov | 15° / 11° | 83 | 9.2 | 0 | 9.8 | 4.9 |
| Dec | 11° / 7° | 110 | 11.3 | 1.2 | 9.3 | 2.9 |
Cloud cover in Summer
The sky is clear or mostly clear about 86% of the time across summer.
Chance of precipitation in Summer
Néa Ionía gets around 68 mm of rain over 10 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 9 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 14 h 36 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 7.0 kWh/m².
Is summer a good time to visit Néa Ionía?
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 Néa Ionía for general sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Néa Ionía in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Néa Ionía sees daytime highs around 27°C and nights near 21°C. Pack light clothes and sun protection. About 10 days see rain.
Sea temperature near Néa Ionía in Summer
The nearest coast averages about 25°C across summer — 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.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 14 | 14 | 14 | 15 | 19 | 23 | 25 | 26 | 24 | 21 | 18 | 16 |
| Comfort | Bracing | Bracing | Bracing | Cool | Cool | Refreshing | Warm | Warm | Warm | Refreshing | Cool | Cool |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 14 | Bracing |
| Feb | 14 | Bracing |
| Mar | 14 | Bracing |
| Apr | 15 | Cool |
| May | 19 | Cool |
| Jun | 23 | Refreshing |
| Jul | 25 | Warm |
| Aug | 26 | Warm |
| Sep | 24 | Warm |
| Oct | 21 | Refreshing |
| Nov | 18 | Cool |
| Dec | 16 | Cool |
UV index in Néa Ionía 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 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.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 2 | 3 | 5 | 7 | 7 | 9 | 9 | 9 | 7 | 4 | 3 | 2 |
| Level | Low | Moderate | Moderate | Very high | High | Very high | Very high | Very high | 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 | High |
| Oct | 4 | Moderate |
| Nov | 3 | Moderate |
| Dec | 2 | Low |
Air quality in Néa Ionía 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 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).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 10 | 11 | 14 | 13 | 12 | 10 | 10 | 16 | 9 | 9 | 9 | 8 |
| Level | Good | Good | Moderate | Moderate | Good | Good | Good | Moderate | Good | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 10 | Good |
| Feb | 11 | Good |
| Mar | 14 | Moderate |
| Apr | 13 | Moderate |
| May | 12 | Good |
| Jun | 10 | Good |
| Jul | 10 | Good |
| Aug | 16 | Moderate |
| Sep | 9 | Good |
| Oct | 9 | Good |
| Nov | 9 | Good |
| Dec | 8 | Good |
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.
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.
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 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.