Heraklion
Greece
Long-term weather forecast
Long-term weather forecast

January weather forecast and climate
Heraklion, Greece

The Venetian walls and the Castle of Koule in the shipyards at Heraklion, Greece
The Venetian walls and the Castle of Koule in the shipyards at Heraklion, Greece
January, the same as December, in Heraklion, Greece, is another mild winter month, with average temperature varying between 15.2°C (59.4°F) and 10°C (50°F).

Temperature

The coldest month is January, with an average high-temperature of 15.2°C (59.4°F) and an average low-temperature of 10°C (50°F).

Rainfall

January is the month with the most rainfall. Rain falls for 10.1 days and accumulates 91.5mm (3.6") of precipitation.

Sea temperature

In Heraklion, the average water temperature is 17.1°C (62.8°F).
Note: For most, swimming in 17.1°C (62.8°F) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 21°C (69.8°F) to 15°C (59°F).

Daylight

The average length of the day in Heraklion, Greece, is 10.1h.

Sunshine

January has the least sunshine of the year, with an average of 3.8h of sunshine.

UV index

In January, the average daily maximum UV index in Heraklion is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to the Sun's UV rays for average individuals.
Note: The average daily UV index of 3 transform into the following instructions:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.

What is the coldest month in Heraklion?

January is the coldest month in Heraklion, Greece, with an average high-temperature of 15.2°C (59.4°F) and an average low-temperature of 10°C (50°F).

What is the temperature in January in Heraklion?

The average high-temperature, in January, in Heraklion, is 15.2°C (59.4°F), while the average low-temperature is 10°C (50°F).

How many days does it rain in January in Heraklion?

In Heraklion, Greece, during January, the rain falls for 10.1 days and regularly aggregates up to 91.5mm (3.6") of precipitation.

What is the wettest month in Heraklion?

January is the month with the most rainfall in Heraklion, Greece. Rain falls for 10.1 days and accumulates 91.5mm (3.6") of precipitation.

What is the sea temperature in January in Heraklion?

In Heraklion, Greece, the average seawater temperature in January is 17.1°C (62.8°F). Swimming in 17.1°C (62.8°F) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 21°C (69.8°F).

What is the average length of the day in January in Heraklion?

In Heraklion, Greece, the average length of the day in January is 10.1h.

What is the month with the least sunshine in Heraklion?

January has the least sunshine of the year, with an average of 3.8h of sunshine.

How long on average sun shines in January in Heraklion?

In January, the average sunshine in Heraklion, Greece, is 3.8h.

What is the UV index intensity in January in Heraklion?

The average daily maximum UV index in January is 3. A UV Index value of 3 to 5 symbolizes a medium health risk from unsafe exposure to the Sun's UV rays.
Average temperature in January - Heraklion, Greece
  • Average high temperature in January: 15.2°C

The warmest month (with the highest average high temperature) is July (28.6°C).
The month with the lowest average high temperature is January (15.2°C).

  • Average low temperature in January: 10°C

Months with the highest average low temperature are July and August (22.7°C).
Coldest months (with the lowest average low temperature) are January and February (10°C).

Average rainfall in January - Heraklion, Greece
  • Average rainfall in January: 91.5mm

The wettest month (with the highest rainfall) is January (91.5mm).
The driest month (with the lowest rainfall) is August (0.7mm).

Average rainfall days in January - Heraklion, Greece
  • Average rainfall days in January: 10.1 days

The month with the highest number of rainy days is January (10.1 days).
Months with the lowest number of rainy days are July and August (0.1 days).

Average sea temperature in January - Heraklion, Greece
  • Average sea temperature in January: 17.1°C

The best month for swimming (with the highest average sea temperature) is August (26.1°C).
The coldest month (with the lowest average sea temperature) is February (16.4°C).

Average daylight in January / Average sunshine in January - Heraklion, Greece
  • Average daylight in January: 10.1h

The month with the longest days is June (Average daylight: 14.5h).
The month with shortest days is December (Average daylight: 9.8h).

  • Average sunshine in January: 3.8h

The month with most sunshine is July (Average sunshine: 12h).
The month with least sunshine is January (Average sunshine: 3.8h).

Average UV index in January - Heraklion, Greece
  • Average UV index in January: 3

The month with the highest UV index is July (UV index 11).
The month with the lowest UV index is December (UV index 2).