January weather forecastPosidi, Greece

January

Weather in January

January, like December, is a frosty winter month in Posidi, Greece, with temperature in the range of an average high of 9°C (48.2°F) and an average low of 2°C (35.6°F).

Temperature

Posidi's coldest month, January, registers temperatures that range from a high of 9°C (48.2°F) to a low of 2°C (35.6°F).

Rainfall

In January, the rain falls for 9 days. Throughout January, 66mm (2.6") of precipitation is accumulated. Throughout the year, there are 84 rainfall days, and 553mm (21.77") of precipitation is accumulated.

Sea temperature

The months with the coldest seawater are January through March, with an average sea temperature of 14°C (57.2°F).
Note: With an efficient thermal swimsuit, one can navigate 14°C (57.2°F) even if it's colder than 10°C (50°F); otherwise, rapid cold shock and breathlessness might set in. Barely wading at 13°C (55.4°F) feels chilly.

Daylight

In January, the average length of the day is 9h and 43min.
On the first day of the month, sunrise is at 07:48 and sunset at 17:11. On the last day of January, sunrise is at 07:36 and sunset at 17:43 EET.

Sunshine

January, February, November and December, with an average of 4h of sunshine, are months with the least sunshine.

UV index

The months with the lowest UV index are January, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for the ordinary person.
Note: In January, the maximum UV index of 2 suggests these recommendations:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.

Updated: Aug 26, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Posidi records the coldest temperatures in January, averaging a high of 9°C (48.2°F) and a low of 2°C (35.6°F).

In Posidi, 9°C (48.2°F) is the average high-temperature and 2°C (35.6°F) is the average low-temperature during January.

In January, the rain falls for 9 days. Throughout January, 66mm (2.6") of precipitation is accumulated.

The months with the coldest seawater are January through March, with an average sea temperature of 14°C (57.2°F).

In Posidi, the average seawater temperature in January is 14°C (57.2°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.

In January, the average day length is 9h and 43min.

On the first day of January, sunrise is at 07:48 and sunset at 17:11. On the last day of the month, sunrise is at 07:36 and sunset at 17:43 EET.

The months with the least sunshine are January, February, November and December, with an average of 4h of sunshine.

The average sunshine duration in January is 4h.

The months with the lowest UV index are January, November and December, with an average maximum UV index of 2.

In January, the average daily maximum UV index is 2. A UV Index value of 2, and less, symbolizes a minimal hazard to health from exposure to the Sun's UV radiation.

Today

Tomorrow

Long-term

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

Dec

January

Feb

Average high temperature

11°C

9°C

11°C

Average low temperature

Average rainfall

Average rainfall days

Average sea temperature

Average daylight

Average sunshine

Average UV index

Average temperature in January
Posidi, Greece

Average high temperature in January: 9°C

The warmest months (with the highest average high temperature) are July and August (30°C).
The month with the lowest average high temperature is January (9°C).

Average low temperature in January: 2°C

The months with the highest average low temperature are July and August (18°C).
The coldest month (with the lowest average low temperature) is January (2°C).

Average rainfall in January
Posidi, Greece

Average rainfall in January: 66mm

The wettest month (with the highest rainfall) is December (77mm).
The driest month (with the least rainfall) is July (24mm).

Average rainfall days in January
Posidi, Greece

Average rainfall days in January: 9 days

The months with the highest number of rainy days are January, November and December (9 days).
The months with the least rainy days are July, August and September (4 days).

Average sea temperature in January
Posidi, Greece

Average sea temperature in January: 14°C

The best months for swimming (with the highest average sea temperature) are July and August (24°C).
The coldest months (with the lowest average sea temperature) are January, February and March (14°C).

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

Average daylight in January: 9h and 42min

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).

Average sunshine in January: 4h

The month with the most sunshine is July (Average sunshine: 12h).
The months with the least sunshine are January, February, November and December (Average sunshine: 4h).

Average UV index in January
Posidi, Greece

Average UV index in January: 2

The months with the highest UV index are June and July (UV index 9).
The months with the lowest UV index are January, November and December (UV index 2).