Heraklion weather in May
In May, Heraklion sees average daytime highs of 25°C and overnight lows near 15°C, with 31 mm of rain across 4.3 wet days and about 13.8 hours of daylight. It is the 5th-warmest and 8th-wettest month of the year here.
Highs climb over the month, from about 23°C in the first days to 26°C by the end. The sky is clear or mostly clear about 67% of the time in May, and the air most often feels dry.
Daylight stretches from about 13 h 24 min at the start of May to 14 h 12 min by month's end. Set against the rest of the year, May is Heraklion's 5th-clearest and 12th-windiest month. For the whole year in context, see Heraklion's year-round climate.
- Daytime high
- 25°
- 5th warmest
- Overnight low
- 15°
- 7th coldest
- Rainfall
- 31 mm
- 4.3 wet days
- Daylight
- 13 h 54 min
- 5:20 AM – 7:11 PM
- Cloud cover
- 30%
- 5th clearest
- Wind
- 8 km/h
- 12th windiest
- Solar energy
- 7.14 kWh/m²
- Travel score
- 8.3
- 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 May
Highs climb over the month, from about 23°C in the first days to 26°C by the end.
A typical May day in Heraklion reaches about 25°C in the afternoon and slips back to 15°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 20°C and 30°C. Set against its neighbours, May runs about 4°C warmer than April and about 4°C cooler than June.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 22 | 22 | 23 | 23 | 23 | 23 | 23 | 23 | 24 | 24 | 24 | 24 | 24 | 24 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 |
| Avg low (°C) | 13 | 13 | 13 | 13 | 13 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 17 | 17 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 22 | 13 |
| 2 | 22 | 13 |
| 3 | 23 | 13 |
| 4 | 23 | 13 |
| 5 | 23 | 13 |
| 6 | 23 | 14 |
| 7 | 23 | 14 |
| 8 | 23 | 14 |
| 9 | 24 | 14 |
| 10 | 24 | 14 |
| 11 | 24 | 14 |
| 12 | 24 | 14 |
| 13 | 24 | 15 |
| 14 | 24 | 15 |
| 15 | 25 | 15 |
| 16 | 25 | 15 |
| 17 | 25 | 15 |
| 18 | 25 | 15 |
| 19 | 25 | 15 |
| 20 | 25 | 15 |
| 21 | 25 | 16 |
| 22 | 25 | 16 |
| 23 | 26 | 16 |
| 24 | 26 | 16 |
| 25 | 26 | 16 |
| 26 | 26 | 16 |
| 27 | 26 | 16 |
| 28 | 26 | 16 |
| 29 | 26 | 16 |
| 30 | 26 | 17 |
| 31 | 26 | 17 |
Heraklion weather by month
How May compares with the rest of the year at a glance. May is the 5th-warmest and 8th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 14° / 8° | 68 | 12 | 9.9 | 3.9 |
| Feb | 14° / 8° | 64 | 10.5 | 10.7 | 4.2 |
| Mar | 17° / 9° | 54 | 8.3 | 11.7 | 5.6 |
| Apr | 20° / 11° | 36 | 5.6 | 12.9 | 7.3 |
| May | 25° / 15° | 31 | 4.3 | 13.8 | 8.3 |
| Jun | 28° / 19° | 13 | 1.9 | 14.3 | 7.9 |
| Jul | 30° / 21° | 5 | 0.7 | 14.1 | 7.2 |
| Aug | 29° / 22° | 6 | 0.7 | 13.3 | 7.2 |
| Sep | 27° / 19° | 19 | 2.9 | 12.2 | 8.1 |
| Oct | 24° / 16° | 38 | 5.9 | 11.1 | 7.8 |
| Nov | 19° / 12° | 45 | 7.1 | 10.1 | 6.6 |
| Dec | 15° / 9° | 64 | 11.3 | 9.7 | 4.5 |
Cloud cover in May
The sky is clear or mostly clear about 67% of the time in May.
Beyond those clear spells, partly cloudy skies cover about 14% of May, with mostly cloudy or overcast conditions the remaining 19%. Skies tend to open up as the month goes on.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 79 | 79 | 79 | 79 | 79 | 79 | 79 | 80 | 80 | 81 | 81 | 80 | 81 | 81 | 81 | 81 | 81 | 81 | 80 | 80 | 81 | 81 | 81 | 82 | 82 | 82 | 83 | 84 | 85 | 86 | 86 |
| Cloudier (%) | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 20 | 20 | 19 | 19 | 20 | 19 | 19 | 19 | 19 | 19 | 19 | 20 | 20 | 19 | 19 | 19 | 18 | 18 | 18 | 17 | 16 | 15 | 14 | 14 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 79 | 21 |
| 2 | 79 | 21 |
| 3 | 79 | 21 |
| 4 | 79 | 21 |
| 5 | 79 | 21 |
| 6 | 79 | 21 |
| 7 | 79 | 21 |
| 8 | 80 | 20 |
| 9 | 80 | 20 |
| 10 | 81 | 19 |
| 11 | 81 | 19 |
| 12 | 80 | 20 |
| 13 | 81 | 19 |
| 14 | 81 | 19 |
| 15 | 81 | 19 |
| 16 | 81 | 19 |
| 17 | 81 | 19 |
| 18 | 81 | 19 |
| 19 | 80 | 20 |
| 20 | 80 | 20 |
| 21 | 81 | 19 |
| 22 | 81 | 19 |
| 23 | 81 | 19 |
| 24 | 82 | 18 |
| 25 | 82 | 18 |
| 26 | 82 | 18 |
| 27 | 83 | 17 |
| 28 | 84 | 16 |
| 29 | 85 | 15 |
| 30 | 86 | 14 |
| 31 | 86 | 14 |
Chance of precipitation in May
Heraklion gets around 31 mm of rain over 4.3 wet days in May. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 13% and peaks near 14% on the wettest days.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 12 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 13 | 13 | 13 | 13 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 |
| Rain chance (%) | |
|---|---|
| 1 | 12 |
| 2 | 13 |
| 3 | 13 |
| 4 | 13 |
| 5 | 13 |
| 6 | 13 |
| 7 | 13 |
| 8 | 13 |
| 9 | 13 |
| 10 | 13 |
| 11 | 13 |
| 12 | 13 |
| 13 | 13 |
| 14 | 13 |
| 15 | 12 |
| 16 | 12 |
| 17 | 12 |
| 18 | 12 |
| 19 | 12 |
| 20 | 13 |
| 21 | 13 |
| 22 | 13 |
| 23 | 13 |
| 24 | 14 |
| 25 | 14 |
| 26 | 14 |
| 27 | 13 |
| 28 | 13 |
| 29 | 13 |
| 30 | 13 |
| 31 | 13 |
Humidity in May
Most of May feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, May lands in the dry band about 82% of days. It rarely turns muggy — the humid and sticky bands barely register.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dry (%) | 96 | 95 | 95 | 94 | 93 | 93 | 92 | 91 | 91 | 90 | 89 | 88 | 88 | 87 | 86 | 84 | 83 | 82 | 81 | 80 | 78 | 76 | 75 | 73 | 71 | 70 | 68 | 66 | 65 | 63 | 61 |
| Comfortable (%) | 4 | 5 | 5 | 6 | 7 | 7 | 8 | 9 | 9 | 10 | 11 | 12 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 22 | 23 | 24 | 26 | 27 | 28 | 30 | 31 | 32 | 34 |
| Humid (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 3 | 3 | 3 | 4 | 4 | 4 | 5 | 5 |
| Dry (%) | Comfortable (%) | Humid (%) | |
|---|---|---|---|
| 1 | 96 | 4 | 0 |
| 2 | 95 | 5 | 0 |
| 3 | 95 | 5 | 0 |
| 4 | 94 | 6 | 0 |
| 5 | 93 | 7 | 0 |
| 6 | 93 | 7 | 0 |
| 7 | 92 | 8 | 0 |
| 8 | 91 | 9 | 0 |
| 9 | 91 | 9 | 0 |
| 10 | 90 | 10 | 0 |
| 11 | 89 | 11 | 0 |
| 12 | 88 | 12 | 0 |
| 13 | 88 | 12 | 0 |
| 14 | 87 | 13 | 0 |
| 15 | 86 | 14 | 0 |
| 16 | 84 | 15 | 1 |
| 17 | 83 | 16 | 1 |
| 18 | 82 | 17 | 1 |
| 19 | 81 | 18 | 1 |
| 20 | 80 | 19 | 1 |
| 21 | 78 | 20 | 2 |
| 22 | 76 | 22 | 2 |
| 23 | 75 | 23 | 2 |
| 24 | 73 | 24 | 3 |
| 25 | 71 | 26 | 3 |
| 26 | 70 | 27 | 3 |
| 27 | 68 | 28 | 4 |
| 28 | 66 | 30 | 4 |
| 29 | 65 | 31 | 4 |
| 30 | 63 | 32 | 5 |
| 31 | 61 | 34 | 5 |
Wind in May
Winds average 8 km/h in May, the calmest month.
Across May, daily wind ranges from about 8 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (km/h) | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 |
| Feels | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 8 | calm |
| 2 | 8 | calm |
| 3 | 8 | calm |
| 4 | 8 | calm |
| 5 | 8 | calm |
| 6 | 8 | calm |
| 7 | 8 | calm |
| 8 | 8 | calm |
| 9 | 8 | calm |
| 10 | 8 | calm |
| 11 | 8 | calm |
| 12 | 8 | calm |
| 13 | 8 | calm |
| 14 | 8 | calm |
| 15 | 8 | calm |
| 16 | 8 | calm |
| 17 | 8 | calm |
| 18 | 8 | calm |
| 19 | 8 | calm |
| 20 | 8 | calm |
| 21 | 8 | calm |
| 22 | 8 | calm |
| 23 | 8 | calm |
| 24 | 8 | calm |
| 25 | 8 | calm |
| 26 | 8 | calm |
| 27 | 8 | calm |
| 28 | 8 | calm |
| 29 | 8 | calm |
| 30 | 8 | calm |
| 31 | 8 | calm |
Sunrise & sunset in May
Daylight runs from about 13 h 24 min at the start of May to 14 h 12 min by month's end. The lit band spans sunrise to sunset each day.
Days grow by about 48 minutes over May. Sunrise moves from 5:34 AM to 5:11 AM, and sunset from 6:59 PM to 7:22 PM.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 13.4 | 13.4 | 13.5 | 13.5 | 13.5 | 13.6 | 13.6 | 13.6 | 13.7 | 13.7 | 13.7 | 13.7 | 13.8 | 13.8 | 13.8 | 13.9 | 13.9 | 13.9 | 13.9 | 14.0 | 14.0 | 14.0 | 14.0 | 14.0 | 14.1 | 14.1 | 14.1 | 14.1 | 14.1 | 14.2 | 14.2 |
| Sunrise (AM) | 5:34 | 5:33 | 5:32 | 5:31 | 5:30 | 5:29 | 5:28 | 5:27 | 5:26 | 5:25 | 5:24 | 5:23 | 5:23 | 5:22 | 5:21 | 5:20 | 5:19 | 5:19 | 5:18 | 5:17 | 5:16 | 5:16 | 5:15 | 5:15 | 5:14 | 5:14 | 5:13 | 5:13 | 5:12 | 5:12 | 5:11 |
| Sunset (PM) | 6:59 | 7:00 | 7:01 | 7:01 | 7:02 | 7:03 | 7:04 | 7:05 | 7:06 | 7:06 | 7:07 | 7:08 | 7:09 | 7:10 | 7:10 | 7:11 | 7:12 | 7:13 | 7:14 | 7:14 | 7:15 | 7:16 | 7:17 | 7:17 | 7:18 | 7:19 | 7:20 | 7:20 | 7:21 | 7:22 | 7:22 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 13.4 | 5:34 | 6:59 |
| 2 | 13.4 | 5:33 | 7:00 |
| 3 | 13.5 | 5:32 | 7:01 |
| 4 | 13.5 | 5:31 | 7:01 |
| 5 | 13.5 | 5:30 | 7:02 |
| 6 | 13.6 | 5:29 | 7:03 |
| 7 | 13.6 | 5:28 | 7:04 |
| 8 | 13.6 | 5:27 | 7:05 |
| 9 | 13.7 | 5:26 | 7:06 |
| 10 | 13.7 | 5:25 | 7:06 |
| 11 | 13.7 | 5:24 | 7:07 |
| 12 | 13.7 | 5:23 | 7:08 |
| 13 | 13.8 | 5:23 | 7:09 |
| 14 | 13.8 | 5:22 | 7:10 |
| 15 | 13.8 | 5:21 | 7:10 |
| 16 | 13.9 | 5:20 | 7:11 |
| 17 | 13.9 | 5:19 | 7:12 |
| 18 | 13.9 | 5:19 | 7:13 |
| 19 | 13.9 | 5:18 | 7:14 |
| 20 | 14.0 | 5:17 | 7:14 |
| 21 | 14.0 | 5:16 | 7:15 |
| 22 | 14.0 | 5:16 | 7:16 |
| 23 | 14.0 | 5:15 | 7:17 |
| 24 | 14.0 | 5:15 | 7:17 |
| 25 | 14.1 | 5:14 | 7:18 |
| 26 | 14.1 | 5:14 | 7:19 |
| 27 | 14.1 | 5:13 | 7:20 |
| 28 | 14.1 | 5:13 | 7:20 |
| 29 | 14.1 | 5:12 | 7:21 |
| 30 | 14.2 | 5:12 | 7:22 |
| 31 | 14.2 | 5:11 | 7:22 |
Solar energy in May
Average shortwave solar energy reaching the ground each day in May, about 7.14 kWh/m².
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 — May's 7.14 kWh/m² sits near the top of that range.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 6.8 | 6.8 | 6.9 | 6.9 | 6.9 | 6.9 | 7.0 | 7.0 | 7.0 | 7.0 | 7.0 | 7.1 | 7.1 | 7.1 | 7.1 | 7.2 | 7.2 | 7.2 | 7.2 | 7.3 | 7.3 | 7.3 | 7.3 | 7.3 | 7.4 | 7.4 | 7.4 | 7.4 | 7.5 | 7.5 | 7.5 |
| Level | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 6.8 | Intense |
| 2 | 6.8 | Intense |
| 3 | 6.9 | Intense |
| 4 | 6.9 | Intense |
| 5 | 6.9 | Intense |
| 6 | 6.9 | Intense |
| 7 | 7.0 | Intense |
| 8 | 7.0 | Intense |
| 9 | 7.0 | Intense |
| 10 | 7.0 | Intense |
| 11 | 7.0 | Intense |
| 12 | 7.1 | Intense |
| 13 | 7.1 | Intense |
| 14 | 7.1 | Intense |
| 15 | 7.1 | Intense |
| 16 | 7.2 | Intense |
| 17 | 7.2 | Intense |
| 18 | 7.2 | Intense |
| 19 | 7.2 | Intense |
| 20 | 7.3 | Intense |
| 21 | 7.3 | Intense |
| 22 | 7.3 | Intense |
| 23 | 7.3 | Intense |
| 24 | 7.3 | Intense |
| 25 | 7.4 | Intense |
| 26 | 7.4 | Intense |
| 27 | 7.4 | Intense |
| 28 | 7.4 | Intense |
| 29 | 7.5 | Intense |
| 30 | 7.5 | Intense |
| 31 | 7.5 | Intense |
Hazard calendar for Heraklion
In May, Heraklion sits inside its dust season. The full year is below, with each hazard's peak months called out.
Heraklion sees seasonal dust haze (May), heaviest in May.
Is May a good time to visit Heraklion?
Our two travel scores rate May for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
May 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 May
From May's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In May, Heraklion sees daytime highs around 25°C and nights near 15°C. Pack sun protection. Worth having: light clothes. About 4 days see rain.
Sea temperature near Heraklion in May
The nearest coast averages about 19°C in May — 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.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 16 | 16 | 16 | 17 | 19 | 23 | 25 | 25 | 25 | 23 | 20 | 18 |
| Comfort | Cool | Cool | Cool | Cool | Cool | Refreshing | Warm | Warm | Warm | Refreshing | Refreshing | Cool |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 16 | Cool |
| Feb | 16 | Cool |
| Mar | 16 | Cool |
| Apr | 17 | Cool |
| May | 19 | Cool |
| Jun | 23 | Refreshing |
| Jul | 25 | Warm |
| Aug | 25 | Warm |
| Sep | 25 | Warm |
| Oct | 23 | Refreshing |
| Nov | 20 | Refreshing |
| Dec | 18 | Cool |
UV index in Heraklion in May
Clear-sky midday UV in May peaks around 7 — enough to warrant sun protection. 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.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 3 | 3 | 6 | 8 | 7 | 10 | 10 | 10 | 8 | 6 | 4 | 3 |
| Level | Moderate | Moderate | High | Very high | Very high | Very high | Very high | Very high | Very high | High | Moderate | Moderate |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 3 | Moderate |
| Feb | 3 | Moderate |
| Mar | 6 | High |
| Apr | 8 | Very high |
| May | 7 | Very high |
| Jun | 10 | Very high |
| Jul | 10 | Very high |
| Aug | 10 | Very high |
| Sep | 8 | Very high |
| Oct | 6 | High |
| Nov | 4 | Moderate |
| Dec | 3 | Moderate |
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.
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.
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 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).