Agios Ioannis Rentis in Spring

In spring (March, April and May), Agios Ioannis Rentis sees average daytime highs around 21°C and overnight lows near 11°C, with 100 mm of rain over about 17 wet days across the season. It is the 3rd-warmest season and the 2nd-wettest season.

Over the season highs climb from about 15°C in early March to 28°C by late May. The sky is clear or mostly clear about 50% of the time across spring, and the air most often feels dry.

Spring is Agios Ioannis Rentis's 2nd-best season to visit on our travel score. For the whole year in context, see Agios Ioannis Rentis's year-round climate.

Avg daytime high
21°C
3rd-warmest season
Avg overnight low
11°C
Rainfall
100 mm
17 wet days
Avg wind
9 km/h
Travel score
7.0
2nd-best season
Months
Mar · Apr · May

Temperature in Agios Ioannis Rentis in Spring

Average highAverage lowShaded bands: 10–90% of days

Over the season highs climb from about 15°C in early March to 28°C by late May.

A typical spring day in Agios Ioannis Rentis reaches about 21°C and drops to 11°C overnight. The warmest of the three months is May, the coolest March.

10°20°30°MarAprMay

How spring really feels in Agios Ioannis Rentis

Once humidity and wind are folded in, spring brings about 0 days that feel above 32°C and 0 that feel at or below 0°C.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

spring sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Agios Ioannis Rentis weather by month

How the three spring months (March, April and May) compare with the rest of the year — the season's months are highlighted.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan13° / 527.30.69.73.7
Feb14° / 477.20.610.54.2
Mar16° / 496.40.211.75.8
Apr21° / 11°295.40137.3
May26° / 15°234.90147.9
Jun31° / 20°112.5014.65.8
Jul33° / 22°61.3014.44.7
Aug33° / 22°41.1013.54.9
Sep29° / 19°152.5012.37.1
Oct24° / 15°273.90118.1
Nov18° / 11°456.609.96.4
Dec14° / 587.80.49.44.3

Cloud cover in Spring

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 50% of the time across spring.

0%25%50%75%100%MarAprMay

Chance of precipitation in Spring

Any precipitation

Agios Ioannis Rentis gets around 100 mm of rain over 17 wet days across spring. The line is the day-by-day chance of measurable precipitation.

0%10%20%30%MarAprMay

Humidity in Spring

DryComfortableHumidMuggyOppressiveMiserable

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

0%25%50%75%100%MarAprMay

Wind in Spring

Winds average 9 km/h across spring.

051015MarAprMay

Sunrise & sunset in Spring

DaylightNight

Daylight runs from about 11 h 06 min in early March to 14 h 24 min by late May. The lit band spans sunrise to sunset each day.

12 AM4 AM8 AM12 PM4 PM8 PM12 AMMarAprMay

Solar energy in Spring

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day across spring, about 5.7 kWh/m².

02468MarAprMay
Planning a trip in spring

Is spring a good time to visit Agios Ioannis Rentis?

Our two travel scores rate spring for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.

7.0
Sightseeing
2nd-best month of the year
4.2
Beach & pool
3rd-best month of the year

spring is one of the better times to visit Agios Ioannis Rentis for general sightseeing.

What to pack for Agios Ioannis Rentis in Spring

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

In spring, Agios Ioannis Rentis sees daytime highs around 21°C and nights near 11°C. Pack sun protection. Worth having: light clothes and a warm layer. About 17 days see rain.

sun protectionlight clothesa warm layer

Sea temperature near Agios Ioannis Rentis in Spring

The nearest coast averages about 16°C across spring — 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.

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 Agios Ioannis Rentis in Spring

LowModerateHighVery highExtreme

Clear-sky midday UV across spring averages around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Agios Ioannis Rentis 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateVery highHighModerateJul 13UV 9Jan 1UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar5Moderate
Apr7Very high
May7High
Jun9Very high
Jul9Very high
Aug9Very high
Sep7Very high
Oct5Moderate
Nov3Moderate
Dec2Low

Air quality in Agios Ioannis Rentis in Spring

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where spring falls, not just the annual average.

Air quality in Agios Ioannis Rentis is worst in August — around 19 µg/m³ PM2.5 (moderate), about 2.5× the cleanest month (December, 7 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodModerateGoodAug 1418 µg/m³Dec 158 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb12Good
Mar15Moderate
Apr14Moderate
May13Moderate
Jun11Good
Jul14Moderate
Aug19Moderate
Sep9Good
Oct9Good
Nov9Good
Dec7Good
Location & terrain

Where is Agios Ioannis Rentis?

Agios Ioannis Rentis sits at 38.0°N, 23.7°E, 13 m above sea level, in Greece. The nearest listed city is Níkaia, 1.0 km away.

Topography around Agios Ioannis Rentis

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

Within 3 km, the terrain around Agios Ioannis Rentis has only modest variations in elevation — a maximum elevation change of 147 m around an average of 30 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 1,724 m.

The land around Agios Ioannis Rentis is covered by artificial surfaces (90%) within 3 km, artificial surfaces (36%) and water (33%) within 16 km, and water (49%) and trees (21%) within 80 km.

3 km
147 m
16 km
1,025 m
80 km
1,724 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
Spring weather nearby: Níkaia 1.0 km · Moskháton 2.0 km · Aigáleo 3.0 km · Korydallós 3.0 km · Agía Varvára 3.0 km · Piraeus 3.0 km · Kallithéa 3.0 km · Keratsíni 4.0 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 Agios Ioannis Rentis (37.9649°, 23.6651°, elevation 13 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.