Thessaloniki
Greece
Long-term weather forecast
Long-term weather forecast

January weather forecast and climate
Thessaloniki, Greece

A street in front of the ancient white tower in Thessaloniki, Greece, in a park of trees
A street in front of the ancient white tower in Thessaloniki, Greece, in a park of trees
January, the same as December, in Thessaloniki, Greece, is a frosty winter month, with average temperature ranging between max 9.3°C (48.7°F) and min 1.3°C (34.3°F).

Temperature

January is the coldest month, with an average high-temperature of 9.3°C (48.7°F) and an average low-temperature of 1.3°C (34.3°F).

Rainfall

In Thessaloniki, it is raining for 11.8 days, with typically 36.8mm (1.4") of accumulated precipitation. Throughout the year, in Thessaloniki, there are 114.1 rainfall days, and 448.7mm (17.7") of precipitation is accumulated.

Sea temperature

In Thessaloniki, the average water temperature is 14.2°C (57.6°F). At temperatures below 10°C (50°F), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 13°C (55.4°F) is not comfortable.

Daylight

In Thessaloniki, the average length of the day is 9.7h.

Sunshine

The month with the least sunshine is January, with an average of 3.2h of sunshine.

UV index

In Thessaloniki, the average daily maximum UV index in January is 2. A UV Index value of 2, and less, symbolizes a low health risk from unprotected exposure to the Sun's UV rays for average individuals.
In January, the average maximum UV index of 2 translate into the following recommendations:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. 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 Thessaloniki?

With an average high-temperature of 9.3°C (48.7°F) and an average low-temperature of 1.3°C (34.3°F), January is the coldest month.

What is the temperature in January in Thessaloniki?

In January, in Thessaloniki, Greece, the average high-temperature is 9.3°C (48.7°F), and the average low-temperature is 1.3°C (34.3°F).

How many days does it rain in January in Thessaloniki?

In Thessaloniki, Greece, during January, the rain falls for 11.8 days and regularly aggregates up to 36.8mm (1.4") of precipitation.

What is the water temperature in January in Thessaloniki?

In January, the average sea temperature is 14.2°C (57.6°F). Swimming in 14.2°C (57.6°F) is considered dangerous. Unprotected immersion in temperatures below 10°C (50°F) causes quickly maximum intensity cold shock with hyperventilation.

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

The average length of the day in January in Thessaloniki, Greece, is 9.7h.

What is the month with the least sunshine in Thessaloniki?

The month with the least sunshine is January, with an average of 3.2h of sunshine.

How many hours of sunshine does Thessaloniki have in January?

In January, the average sunshine is 3.2h.

What is the UV index reading in January in Thessaloniki?

In January, the average daily maximum UV index is 2. A UV Index value of 2, and less, symbolizes a low health risk from the exposure to the Sun's UV radiation.
Average temperature in January - Thessaloniki, Greece
  • Average high temperature in January: 9.3°C

The warmest month (with the highest average high temperature) is July (31.5°C).
The month with the lowest average high temperature is January (9.3°C).

  • Average low temperature in January: 1.3°C

The month with the highest average low temperature is July (18.6°C).
The coldest month (with the lowest average low temperature) is January (1.3°C).

Average rainfall in January - Thessaloniki, Greece
  • Average rainfall in January: 36.8mm

The wettest month (with the highest rainfall) is December (54.9mm).
The driest month (with the lowest rainfall) is August (20.4mm).

Average rainfall days in January - Thessaloniki, Greece
  • Average rainfall days in January: 11.8 days

The month with the highest number of rainy days is December (12.5 days).
The month with the lowest number of rainy days is August (4.7 days).

Average sea temperature in January - Thessaloniki, Greece
  • Average sea temperature in January: 14.2°C

The best month for swimming (with the highest average sea temperature) is July (26.2°C).
The coldest month (with the lowest average sea temperature) is March (13.3°C).

Average daylight in January / Average sunshine in January - Thessaloniki, Greece
  • Average daylight in January: 9.7h

The month with the longest days is June (Average daylight: 15h).
The month with shortest days is December (Average daylight: 9.3h).

  • Average sunshine in January: 3.2h

The month with most sunshine is July (Average sunshine: 10.5h).
The month with least sunshine is January (Average sunshine: 3.2h).

Average UV index in January - Thessaloniki, Greece
  • Average UV index in January: 2

Months with the highest UV index are June and July (UV index 9).
The month with the lowest UV index is December (UV index 1).