January weather forecastIos, Greece

January

Weather in January

January, like December, is another mild winter month in Ios, Greece, with an average temperature fluctuating between 12.9°C (55.2°F) and 14.7°C (58.5°F).

Temperature

With its high average temperature of 14.7°C (58.5°F) and a low of 12.9°C (55.2°F), January is regarded as the coldest month.

Humidity

The months with the lowest humidity in Ios are January and December, with an average relative humidity of 70%.

Rainfall

In January, in Ios, the rain falls for 14.2 days. Throughout January, 35mm (1.38") of precipitation is accumulated. In Ios, during the entire year, the rain falls for 87.8 days and collects up to 221mm (8.7") of precipitation.

Sea temperature

In January, the average sea temperature is 16°C (60.8°F).
Note: A surface water temperature of 16°C (60.8°F) does not provide an enjoyable swimming experience for most. Breathing control becomes more challenging as the water temperature drops below 21°C (69.8°F).

Daylight

In Ios, the average length of the day in January is 9h and 59min.
On the first day of January in Ios, sunrise is at 07:31 and sunset at 17:13. On the last day of the month, sunrise is at 07:21 and sunset at 17:42 EET.

Sunshine

The month with the least sunshine in Ios is January, with an average of 5.8h of sunshine.

UV index

In Ios, the average daily maximum UV index in January is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: An average maximum UV index of 4 in January leads to these recommendations:
Be vigilant - A duty to shield skin and eyes from injury exists. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.

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

Frequently asked questions

With average high and low temperatures of 14.7°C (58.5°F) and 12.9°C (55.2°F) respectively, January is Ios's coldest month.

January temperatures in Ios, Greece, vary between a high-temperature of 14.7°C (58.5°F) and a low-temperature of 12.9°C (55.2°F).

The months with the lowest humidity are January and December, with an average relative humidity of 70%.

In Ios, the average relative humidity in January is 70%.

In Ios, Greece, in January, during 14.2 rainfall days, 35mm (1.38") of precipitation is typically accumulated.

In Ios, Greece, in January, the average water temperature is 16°C (60.8°F). Swimming in 16°C (60.8°F) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 21°C (69.8°F).

The average day length in January in Ios is 9h and 59min.

On the first day of January in Ios, Greece, sunrise is at 07:31 and sunset at 17:13. On the last day of the month, sunrise is at 07:21 and sunset at 17:42 EET.

The month with the least sunshine in Ios, Greece, is January, with an average of 5.8h of sunshine.

In January, the average sunshine duration in Ios is 5.8h.

In Ios, Greece, the average daily maximum UV index in January is 4. A UV Index reading of 3 to 5 represents a medium hazard to health 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

16.4°C

14.7°C

14.8°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

28.9km/h

30.9km/h

30km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

13.7

14.2

12.2

Average sea temperature

Average daylight

Average sunshine

Average sunshine days

13.9

13.3

13.9

Average UV index

Average cloud cover

Average visibility

Average temperature in January
Ios, Greece

Average high temperature in January: 14.7°C

The warmest month (with the highest average high temperature) is August (25.9°C).
The month with the lowest average high temperature is January (14.7°C).

Average low temperature in January: 12.9°C

The month with the highest average low temperature is August (24.9°C).
The coldest month (with the lowest average low temperature) is January (12.9°C).

Average pressure in January
Ios, Greece

Average pressure in January: 1016.5mbar

The month with the highest atmospheric pressure is December (1017.7mbar).
The month with the lowest atmospheric pressure is July (1009mbar).

Average wind speed in January
Ios, Greece

Average wind speed in January: 29.2km/h

The windiest month (with the highest average wind speed) is January (29.2km/h).
The calmest month (with the lowest average wind speed) is May (19.8km/h).

Average humidity in January
Ios, Greece

Average humidity in January: 70%

The month with the highest relative humidity is August (77%).
The months with the lowest relative humidity are January and December (70%).

Average rainfall in January
Ios, Greece

Average rainfall in January: 35mm

The wettest month (with the highest rainfall) is February (38mm).
The driest months (with the least rainfall) are July and August (2mm).

Average rainfall days in January
Ios, Greece

Average rainfall days in January: 14.2 days

The month with the highest number of rainy days is January (14.2 days).
The month with the least rainy days is August (0.4 days).

Average sea temperature in January
Ios, Greece

Average sea temperature in January: 16°C

The best month for swimming (with the highest average sea temperature) is August (24°C).
The coldest months (with the lowest average sea temperature) are February and March (15°C).

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

Average daylight in January: 10h and 0min

The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).

Average sunshine in January: 5h and 48min

The months with the most sunshine are July and August (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 48min).

Average sunshine days in January
Ios, Greece

Average sunshine days in January: 13.3 days

The month with the most sunshine days is August (29.6 days).
The month with the least sunshine days is January (13.3 days).

Average UV index in January
Ios, Greece

Average UV index in January: 4

The months with the highest UV index are July and August (UV index 7).
The month with the lowest UV index is December (UV index 3).

Average cloud cover in January
Ios, 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 2).

Average visibility in January
Ios, 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).