January weather forecastAthens, Greece

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

January

Weather in January

Clear skies are a signature characteristic of Athens, Greece in January. Enjoy long walks by the sea at a cool 15.4°C (59.7°F). This is the month when Athens records its highest snowfall at 9mm (0.35"). Winter clothing is a must due to the cold nights. Despite this, the abundance of sunlight aids in keeping the city vibrant and lively.

Temperature

In Athens, the lowest temperatures are generally noted in January, averaging a high of 12.1°C (53.8°F) and a low of 7.3°C (45.1°F).

Humidity

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

Rainfall

In Athens, Greece, in January, during 11.3 rainfall days, 47mm (1.85") of precipitation is typically accumulated. Throughout the year, there are 98.9 rainfall days, and 348mm (13.7") of precipitation is accumulated.

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, Greece, the average seawater temperature in January is 15.4°C (59.7°F).
Note: A majority do not enjoy swimming in water at 15.4°C (59.7°F). The difficulty in controlling breathing increases progressively as the temperature dips below 21°C (69.8°F).

Daylight

In Athens, the average length of the day in January is 9h and 53min.
On the first day of January in Athens, sunrise is at 07:40 and sunset at 17:15. On the last day of the month, sunrise is at 07:30 and sunset at 17:46 EET.

Sunshine

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

UV index

In Athens, the average daily maximum UV index in January is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.
Note: An average maximum UV index of 3 in January leads to these recommendations:
Take necessary precautions - Protection from skin and eye injury is mandatory. When the Sun is at its strongest around midday, find shade and limit exposure. To cut down UV radiation exposure by about half, sport a wide-brim hat. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.

Updated: Jan 24, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

January, with average temperatures reaching a high of 12.1°C (53.8°F) and a low of 7.3°C (45.1°F), is the coldest month in Athens, Greece.

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

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

The average relative humidity in January is 74%.

In Athens, Greece, in January, during 11.3 rainfall days, 47mm (1.85") of precipitation is typically accumulated.

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

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.

In Athens, the average seawater temperature in January is 15.4°C (59.7°F). 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).

In January, the average day length in Athens is 9h and 53min.

On the first day of January in Athens, sunrise is at 07:40 and sunset at 17:15. On the last day of the month, sunrise is at 07:30 and sunset at 17:46 EET.

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

The average sunshine duration in January in Athens, Greece, is 5.6h.

In January, the average daily maximum UV index in Athens is 3. A UV Index reading of 3 to 5 represents a moderate vulnerability from exposure to Sun's UV rays.

Today

Tomorrow

Long-term

Year January F M A M J J A S O N D

Dec

January

Feb

Average high temperature

13.8°C

12.1°C

13.7°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

15.7km/h

16.7km/h

16.6km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average snowfall

Average snowfall days

0.2

0.9

0.4

Average sea temperature

Average daylight

Average sunshine

Average sunshine days

17.5

16.3

14.1

Average UV index

Average cloud cover

Average visibility

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 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).

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).

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).
The 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).
The 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: 9h and 54min

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).

Average sunshine in January: 5h and 36min

The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 5h and 36min).

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).

Average UV index in January
Athens, Greece

Average UV index in January: 3

The 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).

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).

Average visibility in January
Athens, Greece

Average visibility in January: 10km

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