January weather forecast and climate
Athens, Greece

The ancient city of Athens in Greece with a view of the Parthenon Temple
The ancient city of Athens in Greece with a view of the Parthenon Temple

Weather in January

January, like December, in Athens, Greece, is another fresh winter month, with temperature in the range of an average high of 12.1°C (53.8°F) and an average low of 7.3°C (45.1°F).

Temperature

The coldest month is January, with an average high-temperature of 12.1°C (53.8°F) and an average low-temperature of 7.3°C (45.1°F).

Humidity

The most humid month in Athens is January, with an average relative humidity of 74%.

Rainfall

In Athens, it is raining for 11.3 days, with typically 47mm (1.85") of accumulated precipitation. In Athens, Greece, during the entire year, the rain falls for 98.9 days and collects up to 348mm (13.7") of precipitation.

Snowfall

Months with snowfall in Athens are January through March. The month with the most snowfall is January when snow falls for 0.9 days and typically aggregates up to 9mm (0.35") of snow.

Sea temperature

In Athens, the average seawater temperature is 15.4°C (59.7°F).
Note: For most, swimming in 15.4°C (59.7°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 Athens is 9.9h.

Sunshine

With an average of 5.6h of sunshine, January has the least sunshine of the year.

UV index

In January, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a medium health hazard from the exposure to the Sun's UV radiation for average individuals.
Note: The daily maximum UV index of 3 interpret into the following advice:
Take precautions - Protection against sunburn is recommended. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
[Resources]

FAQ

What is the coldest month in Athens?

The coldest month in Athens is January, with an average high-temperature of 12.1°C (53.8°F) and an average low-temperature of 7.3°C (45.1°F).

What is the most humid month in Athens?

The most humid month in Athens, Greece, is January, with an average relative humidity of 74%.

What is the average humidity in January in Athens?

The average relative humidity in January in Athens, Greece, is 74%.

How many days does it rain in January in Athens?

In Athens, Greece, during January, the rain falls for 11.3 days and regularly aggregates up to 47mm (1.85") of precipitation.

When does it snow the most in Athens?

The month with the most snowfall in Athens is January when snow falls for 0.9 days and typically aggregates up to 9mm (0.35") of snow.

When does it start snowing in Athens?

January is the first month it typically snows in Athens, Greece. Throughout January, in the average 0.9 snowfall days, it receives 9mm (0.35") of snow.

What is the sea temperature in January in Athens?

In Athens, the average seawater temperature in January is 15.4°C (59.7°F). For swimming, a surface water temperature of 15.4°C (59.7°F) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 21°C (69.8°F).

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

In January, the average length of the day in Athens, Greece, is 9.9h.

What is the month with the least sunshine in Athens?

The month with the least sunshine in Athens is January, with an average of 5.6h of sunshine.

How long on average sun shines in January in Athens?

In January, the average sunshine in Athens is 5.6h.

What is the UV index intensity in January in Athens?

In Athens, Greece, the average daily maximum UV index in January is 3. A UV Index reading of 3 to 5 represents a medium hazard to health from the exposure to the Sun's UV radiation.

Average temperature in January
Athens, Greece

Average temperature in January - Athens, Greece
  • Average high temperature in January: 12.1°C

The warmest month (with the highest average high temperature) is August (31°C).
The month with the lowest average high temperature is January (12.1°C).

  • Average low temperature in January: 7.3°C

The month with the highest average low temperature is August (23.8°C).
The coldest month (with the lowest average low temperature) is January (7.3°C).

[Resources]

Average pressure in January
Athens, Greece

Average pressure in January - Athens, Greece
  • Average pressure in January: 1016.7mbar

The month with the highest atmospheric pressure is December (1018.2mbar).
The month with the lowest atmospheric pressure is July (1011.1mbar).

[Resources]

Average wind speed in January
Athens, Greece

Average wind speed in January - Athens, Greece
  • Average wind speed in January: 15.3km/h

The windiest month (with the highest average wind speed) is August (16.3km/h).
The calmest month (with the lowest average wind speed) is May (11.6km/h).

[Resources]

Average humidity in January
Athens, Greece

Average humidity in January - Athens, Greece
  • Average humidity in January: 74%

The month with the highest relative humidity is January (74%).
The month with the lowest relative humidity is August (50%).

[Resources]

Average rainfall in January
Athens, Greece

Average rainfall in January - Athens, Greece
  • Average rainfall in January: 47mm

The wettest month (with the highest rainfall) is December (53mm).
The driest month (with the least rainfall) is August (4mm).

[Resources]

Average rainfall days in January
Athens, Greece

Average rainfall days in January - Athens, Greece
  • Average rainfall days in January: 11.3 days

The month with the highest number of rainy days is January (11.3 days).
The month with the least rainy days is August (1.8 days).

[Resources]

Average snowfall in January
Athens, Greece

Average snowfall in January - Athens, Greece
  • Average snowfall in January: 9mm

The month with the highest snowfall is January (9mm).
Months with the least snowfall are April, May, June, July, August, September, October, November and December (0mm).

[Resources]

Average snowfall days in January
Athens, Greece

Average snowfall days in January - Athens, Greece
  • Average snowfall days in January: 0.9 days

The month with the highest number of snowfall days is January (0.9 days).
Months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).

[Resources]

Average sea temperature in January
Athens, Greece

Average sea temperature in January - Athens, Greece
  • Average sea temperature in January: 15.4°C

The best month for swimming (with the highest average sea temperature) is August (26.3°C).
The coldest month (with the lowest average sea temperature) is February (15°C).

[Resources]

Average daylight in January /
Average sunshine in January
Athens, Greece

Average daylight in January / Average sunshine in January - Athens, Greece
  • Average daylight in January: 9.9h

The month with the longest days is June (Average daylight: 14.8h).
The month with the shortest days is December (Average daylight: 9.6h).

  • Average sunshine in January: 5.6h

Months with the most sunshine are July and August (Average sunshine: 12h).
The month with the least sunshine is January (Average sunshine: 5.6h).

[Resources]

Average sunshine days in January
Athens, Greece

Average sunshine days in January - Athens, Greece
  • Average sunshine days in January: 16.3 days

The month with the most sunshine days is August (28.5 days).
The month with the least sunshine days is February (14.1 days).

[Resources]

Average UV index in January
Athens, Greece

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

Months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 2).

[Resources]

Average cloud cover in January
Athens, Greece

Average cloud cover in January - Athens, Greece
  • Average cloud cover in January: 40

The month with the most cloud cover is January (Cloud cover 40).
The month with the least cloud cover is August (Cloud cover 6).

[Resources]

Average visibility in January
Athens, Greece

Average visibility in January - Athens, Greece
  • Average visibility in January: 10km

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).

[Resources]

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location
* you will be automatically redirected to the weather forecast for your location