Your October weather guide
WarmWeather in Crete in October
Yes - Crete in October is a good choice if you want warm days and a sea you can still swim in, rather than guaranteed heat. Average daytime highs are around 24°C, nights fall to about 17°C, and the sea averages 23°C. The catch is some rain and enough variation to make layers useful. It suits a holiday that mixes swimming with time outdoors, provided you can adjust your plans when the weather turns.
Long-term climate averages for Heraklion, not a forecast · 1991-2020
Crete, month by month
Your snapshot
At a glance
The useful details for Heraklion.
- Average daytime high
- 24.2°C
- 9 in 10 days stay below 30°C
- Average night-time low
- 16.8°C
- coldest 10% of nights: 14°C or lower
- Compared with London
- +9.6°C
- London averages 14.6°C in October
- Sea temperature
- 23.0°C
- year to year: 22°C to 24°C
- Sunshine per day (est.)
- 6.6h
- 59% of 11.1 h of daylight
- Rainy days (1 mm+)
- 6
- 38 mm over the month
- Humidity
- 74%
- Days over 25°C
- 39%
- 8% over 30°C
- Record high 1991-2020
- 34.5°C
- 1991-10-01
- Record low 1991-2020
- 10.5°C
- 1997-10-28
- Flight from London
- ≈ 4 h 6 min
- 2678 km, short-haul (estimate for a direct flight)
Records are observed extremes within 1991-2020, not typical holiday conditions. Warm-day percentages are shares of days, not day counts.
How October compares
October is the 6th warmest month of the year in Crete and ranks 65th of 134 destinations we compare for October - see where else is hot in October. Within Greece it is 9th of 44 (Greece in October). Against London's average high of 14.6°C in October, Crete is 9.6°C warmer by day and 8.4°C warmer at night.
Daytime and night-time in October
The typical October day in Crete peaks at 24.2°C, but that is an average: the warmest 10% of days reach 29.6°C or more. Roughly 1 in 3 days top 25°C and 1 in 12 pass 30°C. Nights average 16.8°C; one night in ten drops to 13.8°C or lower, so pack a layer for evenings. Between 1991 and 2020 the hottest October day here reached 34.5°C (1991-10-01) and the coldest night 10.5°C (1997-10-28).
Rain in October
Some rain (4-8 rainy days): about 6 days with 1 mm or more, 38 mm in total. Year to year it varies a lot - the wettest October was 2006 with 118 mm, the driest 1992 with 0 mm. Humidity averages 74%.
Sea temperature in October
The sea averages 23.0°C - warm enough to swim (22°c+). Depending on the year it ranges from 22.1°C to 23.8°C. For the warmest sea here, come in August (25.9°C).
Sunshine and daylight
Around 6.6 hours of sunshine a day (estimated from cloud cover), 11.1 hours of daylight: the sun rises about 07:26 and sets about 18:45 local time in mid-October. Average cloud cover is 41%.
Is October a good time to visit Crete?
Yes - it is one of the better months: warm days, manageable rain. The best months for Crete on our scoring are August, July, June; months averaging 25°C or more: May, Jun, Jul, Aug, Sep.
Warm afternoons, but pack for cooler evenings
Think warm rather than consistently hot. Days reach 25°C on 39% of occasions, while 30°C is much less common, at 8%. That makes October a sensible choice if intense heat would limit your time outdoors, though warmer afternoons can still call for shade and a slower pace at midday. Light clothes are a reasonable daytime starting point, with a jumper or light jacket for evenings. The colder nights can fall to around 14°C or below, so packing only summer clothes would be a mistake. If your priority is heat above everything else, October is more of a compromise than a summer-style guarantee.
Swimming is realistic, with room for rain
The sea is warm enough for swimming, averaging 23°C, with a year-to-year range of 22°C to 24°C. That makes a swim a realistic part of the holiday rather than something reserved for those who enjoy cold water, although personal comfort varies. Sunshine averages about 6.6 hours within 11.1 hours of daylight, leaving time for outdoor plans without suggesting clear skies throughout. Expect about 6 rainy days and keep your schedule flexible rather than making every day depend on beach weather. A light waterproof is useful alongside swimwear. The practical approach is to use the brighter spells for the water and leave room to change plans when rain arrives.
A little perspective
Crete through the year
October is highlighted. See how it compares with the rest of the year.
| Month | Day | Night | Sea | Sun/day | Rain mm | Rainy days | Days 25°C+ |
|---|---|---|---|---|---|---|---|
| January | 14.2°C | 8.2°C | 16.2°C | 3.8 | 73 | 12 | 0% |
| February | 14.8°C | 8.2°C | 15.5°C | 4.6 | 71 | 11 | 0% |
| March | 17.2°C | 9.3°C | 15.6°C | 6.0 | 57 | 9 | 2% |
| April | 20.8°C | 11.8°C | 16.6°C | 7.8 | 38 | 6 | 14% |
| May | 25.3°C | 15.7°C | 19.3°C | 9.9 | 29 | 4 | 51% |
| Junebest | 29.3°C | 19.8°C | 22.8°C | 12.9 | 10 | 2 | 91% |
| Julybest | 30.9°C | 22.2°C | 25.1°C | 13.7 | 3 | 1 | 99% |
| Augustbest | 30.8°C | 22.5°C | 25.9°C | 12.7 | 5 | 1 | 100% |
| September | 28.3°C | 20.0°C | 24.9°C | 10.2 | 20 | 3 | 84% |
| OctoberSelected | 24.2°C | 16.8°C | 23.0°C | 6.6 | 38 | 6 | 39% |
| November | 19.5°C | 13.1°C | 20.4°C | 4.3 | 50 | 8 | 5% |
| December | 15.6°C | 10.0°C | 18.0°C | 3.5 | 70 | 11 | 0% |
Day = average daytime high, night = average night-time low, 1991-2020.Sun is hours per day; rainy days count 1 mm or more.
Day, night and sea
Monthly average temperatures, 1991-2020
- Day
- Night
- Sea
Best months here
On warmth, low rainfall and sunshine, start with these.
Keep exploring
Similar in October
Closest matches on daytime temperature, sea temperature and sunshine, in other countries.
Spain · 24°C by day · sea 23°C
Fuerteventura
Tunisia · 24°C by day · sea 24°C
Hammamet
Spain · 25°C by day · sea 24°C
Tenerife
Spain · 23°C by day · sea 23°C
Lanzarote
Italy · 23°C by day · sea 23°C
Sicily
A little more detail
Crete in October FAQs
Plain answers, grounded in the averages.
Is Crete hot in October?
Crete is warm in October: the average daytime high is 24.2°C and nights average 16.8°C. Roughly 1 in 3 October days reach 25°C.
Can you swim in the sea in Crete in October?
The sea around Crete averages 23.0°C in October, which is warm enough for most people to swim comfortably. Between 1991 and 2020 it ranged from 22°C to 24°C depending on the year.
How much does it rain in Crete in October?
Crete sees about 6 rainy days (1 mm or more) and 38 mm of rain in a typical October. The wettest October between 1991 and 2020 was 2006 (118 mm) and the driest was 1992 (0 mm).
How sunny is Crete in October?
Crete gets around 6.6 hours of sunshine a day in October out of 11.1 hours of daylight (estimated from average cloud cover).
How does Crete compare with the UK in October?
Crete is on average 9.6°C warmer than London by day in October (24.2°C against 14.6°C).
What is the hottest October on record in Crete?
Between 1991 and 2020 the hottest October day in Crete reached 34.5°C on 1991-10-01, and the coldest night dropped to 10.5°C on 1997-10-28.
How much warmer is Crete than London in October?
Crete's average daytime high is 24.2°C, compared with 14.6°C in London - a difference of 9.6°C. That is a substantial step up in daytime warmth, but it does not remove the need for an evening layer or rain protection.
How long is the flight from London?
The flight from London is about 4 h 6 min, making Crete a short-haul option for October warmth. The weather trade-off is straightforward: warm days and swimmable sea temperatures, but some rain rather than reliably dry conditions.
About these averages
ERA5-Land climate reanalysis via Open-Meteo (11 km grid) and NOAA Coral Reef Watch 5 km sea temperatures, 1991-2020
Averages computed from daily values at Irákleion (Heraklion). Sea temperature from the nearest 5 km sea cell, 1.7 km from that point. Sunshine hours are estimated from average cloud cover.Records are the highest and lowest daily values in that 30-year period, not all-time records. These are climate averages, not a forecast for your trip. How we measure holiday weather
- Hot · 25°C+
- Warm · 20°C to below 25°C
- Mild · 15°C to below 20°C
- Cool · below 15°C