Athens
Greece
Long-term weather forecast
Long-term weather forecast

January weather forecast and climate
Athens, Greece

January, the same as December, is a cool winter month in Athens, Greece, with average temperature ranging between max 12.1°C (53.8°F) and min 7.3°C (45.1°F).

Temperature

January is the coldest month, 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 is January, with an average relative humidity of 74%.

Rainfall

In Athens, during January, the rain falls for 11.3 days and regularly aggregates up to 47mm (1.85") of precipitation. Throughout the year, in Athens, there are 98.9 rainfall days, and 348mm (13.7") of precipitation is accumulated.

Snowfall

Months with snowfall are January through March. 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.

Sea temperature

In Athens, in January, the average water 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

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

Sunshine

January has the least sunshine of the year in Athens, with an average of 5.6h of sunshine.

UV index

In January, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from the exposure to the Sun's UV rays for ordinary individuals.
Note: The average daily UV index of 3 transform into the following instructions:
Take precautions - Protection against sunburn is recommended. 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. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.

What is the coldest month in Athens?

The coldest month in Athens, Greece, 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 temperature in January in Athens?

The average high-temperature, in January, in Athens, is 12.1°C (53.8°F), while the average low-temperature is 7.3°C (45.1°F).

What is the most humid month in Athens?

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

What is the average humidity in January in Athens?

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

How much does it rain in Athens in January?

In January, the rain falls for 11.3 days. Throughout January, 47mm (1.85") of precipitation is accumulated.

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.

When does it snow the most in Athens?

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.

What is the sea water temperature in January in Athens?

In January, the average sea temperature in Athens, Greece, 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).

How many hours of daylight does Athens have in January?

The average length of the day in January is 9.9h.

What is the month with the least sunshine in Athens?

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

How many hours of sunshine does Athens have in January?

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

What is the UV index intensity in January in Athens?

In January, the average daily maximum UV index in Athens is 3. A UV Index of 3 to 5 symbolizes a moderate health threat from the exposure to the Sun's UV rays.
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).

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%).

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).

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).

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).

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).

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).

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).

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).