Heraklion weather in June

In June, Heraklion sees average daytime highs of 28°C and overnight lows near 19°C, with 13 mm of rain across 1.9 wet days and about 14.3 hours of daylight. It is the 3rd-warmest and 10th-wettest month of the year here.

Highs climb over the month, from about 27°C in the first days to 29°C by the end. The sky is clear or mostly clear about 89% of the time in June, and the air most often feels comfortable.

Daylight stretches from about 14 h 12 min at the start of June to 14 h 24 min by month's end. Set against the rest of the year, June is Heraklion's 3rd-clearest and 5th-windiest month. For the whole year in context, see Heraklion's year-round climate.

Daytime high
28°
3rd warmest
Overnight low
19°
9th coldest
Rainfall
13 mm
1.9 wet days
Daylight
14 h 24 min
5:09 AM – 7:31 PM
Cloud cover
12%
3rd clearest
Wind
9 km/h
5th windiest
Solar energy
7.87 kWh/m²
Travel score
7.9
out of 10

Heraklion is city in the island of Crete, Greece.

Density
1,258/km²
people per km²

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in June

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 27°C in the first days to 29°C by the end.

A typical June day in Heraklion reaches about 28°C in the afternoon and slips back to 19°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 24°C and 32°C. Set against its neighbours, June runs about 4°C warmer than May and about 1°C cooler than July.

10°15°20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
12717
22717
32717
42717
52717
62718
72718
82718
92818
102818
112818
122819
132819
142819
152819
162819
172819
182919
192919
202920
212920
222920
232920
242920
252920
262920
272920
282920
292920
302921

Heraklion weather by month

How June compares with the rest of the year at a glance. June is the 3rd-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan14° / 68129.93.9
Feb14° / 6410.510.74.2
Mar17° / 548.311.75.6
Apr20° / 11°365.612.97.3
May25° / 15°314.313.88.3
Jun28° / 19°131.914.37.9
Jul30° / 21°50.714.17.2
Aug29° / 22°60.713.37.2
Sep27° / 19°192.912.28.1
Oct24° / 16°385.911.17.8
Nov19° / 12°457.110.16.6
Dec15° / 6411.39.74.5

Cloud cover in June

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 89% of the time in June.

Beyond those clear spells, partly cloudy skies cover about 7% of June, with mostly cloudy or overcast conditions the remaining 4%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
18812
28812
38911
4919
5919
6928
7937
8946
9946
10946
11955
12964
13964
14964
15964
16982
17982
18982
19982
20991
21991
22991
23991
24991
25991
26991
271000
281000
291000
301000

Chance of precipitation in June

Any precipitation

Heraklion gets around 13 mm of rain over 1.9 wet days in June. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 7% and peaks near 12% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%151015202530
Rain chance (%)
112
212
311
411
510
69
79
89
98
108
118
128
137
147
157
166
176
186
196
206
215
225
235
245
255
265
274
284
294
304

Humidity in June

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, June lands in the comfortable band about 42% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1593560
2583660
3563770
4543880
5533980
6523990
7514090
84941100
94741110
104542120
114442131
124242151
134142161
143943171
153843181
163743191
173543202
183443212
193343222
203143232
213044242
222844252
232744272
242545282
252445292
262245302
272146312
281946323
291846333
301746343

Wind in June

Winds average 9 km/h in June.

Across June, daily wind ranges from about 8 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm

Sunrise & sunset in June

DaylightNight

Daylight runs from about 14 h 12 min at the start of June to 14 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 12 minutes over June. Sunrise moves from 5:11 AM to 5:12 AM, and sunset from 7:23 PM to 7:33 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
114.25:117:23
214.25:117:24
314.25:107:24
414.25:107:25
514.35:107:25
614.35:097:26
714.35:097:27
814.35:097:27
914.35:097:28
1014.35:097:28
1114.35:097:29
1214.35:097:29
1314.35:097:30
1414.45:097:30
1514.45:097:30
1614.45:097:31
1714.45:097:31
1814.45:097:31
1914.45:097:32
2014.45:097:32
2114.45:097:32
2214.45:097:33
2314.45:107:33
2414.45:107:33
2514.45:107:33
2614.45:107:33
2714.45:117:33
2814.45:117:33
2914.45:117:33
3014.45:127:33

Solar energy in June

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in June, about 7.87 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 2.28 kWh/m² to a high of 7.87 kWh/m² in June across the year — June's 7.87 kWh/m² sits near the top of that range.

02468151015202530
Solar energy (kWh/m²)Level
17.5Intense
27.6Intense
37.6Intense
47.6Intense
57.7Intense
67.7Intense
77.7Intense
87.7Intense
97.8Intense
107.8Intense
117.8Intense
127.8Intense
137.8Intense
147.9Intense
157.9Intense
167.9Intense
177.9Intense
187.9Intense
197.9Intense
208.0Intense
218.0Intense
228.0Intense
238.0Intense
248.0Intense
258.0Intense
268.0Intense
278.0Intense
288.0Intense
298.0Intense
308.0Intense
Planning a trip in June

Hazard calendar for Heraklion

In seasonPeak

None of Heraklion's seasonal hazards are active in June. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Heraklion sees seasonal dust haze (May), heaviest in May.

Dust
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is June a good time to visit Heraklion?

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

7.9
Sightseeing
3rd-best month of the year
8.9
Beach & pool
3rd-best month of the year

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

What to pack for Heraklion in June

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

In June, Heraklion sees daytime highs around 28°C and nights near 19°C. Pack light clothes and sun protection.

light clothessun protection

Sea temperature near Heraklion in June

The nearest coast averages about 23°C in June — 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 25°C and coldest in February near 16°C.

It's comfortable for a long swim from May 25 to Nov 19 — about 5.9 months when the water holds above 20°C.

15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan16Cool
Feb16Cool
Mar16Cool
Apr17Cool
May19Cool
Jun23Refreshing
Jul25Warm
Aug25Warm
Sep25Warm
Oct23Refreshing
Nov20Refreshing
Dec18Cool

UV index in Heraklion in June

LowModerateHighVery highExtreme

Clear-sky midday UV in June peaks around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Heraklion peaks around July 13 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 10 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 10 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateVery highHighModerateJul 13UV 10Jan 10UV 3
UV index (midday)Level
Jan3Moderate
Feb3Moderate
Mar6High
Apr8Very high
May7Very high
Jun10Very high
Jul10Very high
Aug10Very high
Sep8Very high
Oct6High
Nov4Moderate
Dec3Moderate
Location & terrain

Where is Heraklion?

Heraklion sits at 35.3°N, 25.1°E, 60 m above sea level, in Greece. The nearest listed city is Rethymno, 60 km away.

RethymnoChaniaFiraOiaParosNaxosMykonosKos

Topography around Heraklion

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

Within 3 km, the terrain around Heraklion has only modest variations in elevation — a maximum elevation change of 188 m around an average of 49 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 822 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,433 m.

The land around Heraklion is covered by artificial surfaces (53%) within 3 km, water (39%), trees (27%) and grassland (24%) within 16 km, and water (69%) within 80 km.

3 km
188 m
16 km
822 m
80 km
2,433 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
June weather nearby: Rethymno 60 km · Chania 103 km · Fira 124 km · Oia 128 km · Paros 195 km · Naxos 199 km · Mykonos 236 km · Kos 260 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 Heraklion (35.3279°, 25.1434°, elevation 60 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).