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Heraklion in December: Weather, Average temperature and Climate

Planning a trip and want to know what the weather in Heraklion in December will be like? Take a look at our weather guide for Heraklion, based on historical data.
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December

Weather in Heraklion in December 2024

OK Weather
Mild
🌧️
Rainy
🌊
Fresh water
If you plan to visit Heraklion in December, the weather is typically alright, with an average high temperature of +61°F during the day and approximately 4 sunny days. Expect some rainy, though, as there are typically 14 rainy days in the month and around 89 mm of precipitation. The weather is changeable so you may have to pack for every eventuality. Search flights in one click on Avionero.
Good to know:
  • December is usually the wettest month of the year in Heraklion;

Average weather

☀️
+61°F
Avg. max. temperature
+39°F
Min.
+79°F
Max.
89 mm
Total precipitation
70%
Avg. humidity
4 m/s
Avg. wind
4 ☀️
Sunny Days
10 ⛅️
Cloudy
14 🌦
Rainy
Our opinion: Heraklion has OK weather in December.

Average temperature in Heraklion in December

Here are the expected maximum, average and minimum temperatures in Heraklion for December based on the historical data.
Last Year
Historical Data

Going from a maximum of +73°F during the day to a minimum of +48°F during the night, the temperature in December averages around +66°F.

The average maximum temperature goes down 14% by the end of the month, compared with the beginning of the month, from +72°F to +68°F.

Is Heraklion warm or cold in December?

Heraklion is typically mild in December.

Maximum temperatures go down compared to the previous month from +66°F to +61°F. The minimum temperature also goes down from +57°F to +54°F.

Pack a light jacket as it will be warm in the day and cool in the evenings.

Take a look at how December is compared to other months in Heraklion:

Water temperature in Heraklion in December

Water in Heraklion in December is Fresh. It varies from +61°F to +67°F, with an average of +64°F. Note that the air temperature is lower than the water temperature, averaging around +61°F.

In December, water temperatures are average relative to the rest of the year:

The warmest water temperatures in Heraklion are reached in August, when the average sea temperature rises to +79°F. The coldest water temperatures are in February, with an average of +61°F.

Can you swim in Heraklion in December?

Water temperature (+64°F) in Heraklion in December might be suited for short swims and acclimatized swimmers might find it refreshing.
🦭
Cold
Below +61°F
🏄‍♂️
Fresh
61°F - 70°F
🏊
Comfortable
70°F - 77°F
👙
Warm
77°F - 82°F
🔥
Very warm
+82°C and up
Think of bringing a full-body or shorty wetsuit (3mm-5mm thickness) to provide insulation and maintain body heat.

Climate in Heraklion in December

Heraklion weather looks like this, on average, in December and the surrounding months.
NovemberDecemberJanuary
Avg. temperature
+66°F+61°F+57°F
Min. temperature
+45°F+39°F+32°F
Max. temperature
+91°F+79°F+77°F
Rainfall
64 mm89 mm92 mm
Wind
4 m/s4 m/s4 m/s
Avg. water temperature
+68°F+64°F+62°F
Humidity
69%70%69%
Air pressure
1016 HPa1016 HPa1016 HPa
Sunny days
644
Cloudy days
111010
Rainy days
101415
Snowy days
000

December typically has worse weather conditions compared to November. It’s getting colder in December. From +66°F in the day, the average maximum temperature lowers to +61°F. Prepare for more rain. Average rainfall goes from 64 mm to 89 mm. Humidity rises from 69% to 70%. The average wind speed doesn’t change much during December, staying around 4 m/s. The days becoming less sunny, going from 6 sunny days in November to 4 in December.

January brings much the same weather, it remains ok.

Wind

Wind speed in Heraklion in December based on historical data.
Last Year
Historical Data

The average wind speed is 3 m/s getting up to 8 m/s which is a medium breeze. You can feel it, especially getting out of the water.

The average wind speed in Heraklion is gradually decreasing during December, going from 3 m/s to 1 m/s over the course of the month.

Rain

Amount of rainfall in mm during December in Heraklion based on historical data.
Last Year
Historical Data
Typically, there is a 39% chance of rain on an average day in December, with total rainfall of approximately 90 mm. The maximum amount of rainfall per day is around 19 mm, which is considered light rain. December is a pretty wet month with over 12 rainy days, so don’t forget to pack an umbrella, raincoat, and a pair of wellies.
December is one of the rainiest months in Heraklion, here is a comparison with other months, total mm:
Heraklion wettest month is January, where a typical day has a 48% chance of precipitation and 92 mm of rainfall per day. July, on the other hand, is the driest month with a mere 3% chance of precipitation and 4 mm of rainfall per day.

How was the weather last December in Heraklion?

This is the weather in Heraklion in December 2023:
1 December
☀️
+71°F
2 December
☀️
+71°F
3 December
☀️
+73°F
4 December
☀️
+70°F
5 December
☁️
+68°F
6 December
☀️
+68°F
7 December
🌧️
+68°F
8 December
☁️
+62°F
9 December
☁️
+61°F
10 December
☁️
+61°F
11 December
☁️
+63°F
12 December
☁️
+66°F
13 December
☀️
+68°F
14 December
☀️
+73°F
15 December
☀️
+70°F
16 December
☁️
+68°F
17 December
🌧️
+61°F
18 December
☁️
+61°F
19 December
☁️
+62°F
20 December
☀️
+68°F
21 December
🌧️
+61°F
22 December
☁️
+68°F
23 December
☀️
+66°F
24 December
☀️
+66°F
25 December
☀️
+65°F
26 December
☁️
+67°F
27 December
☁️
+66°F
28 December
☁️
+64°F
29 December
☁️
+64°F
30 December
☁️
+64°F
31 December
☁️
+68°F
In December 2023 Heraklion had 12 sunny days, 16 cloudy days, and 3 rainy days. The average maximum temperature was +66°F, with an absolute maximum of +73°F and a minimum of +61°F. The average humidity was 81%, with a maximum of 99% and a minimum of 51%. The average wind speed was 3 m/s, with a maximum of 13 m/s and a minimum of 0 m/s.
Are you planning a trip in December?

Climate Change Over the Years

This is how Heraklion climate has changed over the last 43 years.

The climate in Heraklion in December has not changed that much over the last 43 years.

The average temperature was the lowest in 1983 (+68°F) and the highest in 2023 (+73°F). The driest year was 1990 with only 234 mm of rainfall, and the wettest year was 2019 with 1122 mm.

FAQ

Frequently asked questions about the weather in Heraklion in December:

Is December a good time to visit Heraklion?

It’s always a good time to visit Heraklion, but the weather is changeable in December, so plan a mix of indoor and outdoor activities and exploring, and pack for every eventuality.

Can you sunbathe in Heraklion in December?

December has mild temperatures in Heraklion. Not ideal for sunbathing, but still good for daytime outdoor activities, but plan for cool evenings. Pack a light jacket and shorts!

Can you swim in Heraklion in December?

In general, you can swim in Heraklion in December, if you want to, at an average water temperature of +64°F. But it will feel quite cool, and some precautions are necessary to ensure your comfort and safety.

Is Heraklion rainy in December?

Heraklion is often rainy in December. You may get a bit damp when outside, so pack an umbrella, and maybe even a raincoat.

Is it sunny in Heraklion in December?

Usually, it’s not very sunny in Heraklion in December, often it’s pretty cloudy. Pack for any eventuality; layering can help reduce the number of bulky items needed.

Other cities in Greece

Check out the weather for other cities in Greece.

Monthly weather in Heraklion

Source of the data

For this page, we’ve looked at the typical weather in Heraklion, based on historical hourly weather data from January 1, 1979, to December 31, 2023.

For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.