Ios
Greece
Long-term weather forecast
Long-term weather forecast

January weather forecast and climate
Ios, Greece

January, the same as December, in Ios, Greece, is a moderate winter month, with average temperature fluctuating between 13°C (55.4°F) and 8°C (46.4°F).

Temperature

January and February, with an average high-temperature of 13°C (55.4°F), are the coldest months.

Rainfall

January is the month with the most rainfall. Rain falls for 11 days and accumulates 99mm (3.9") of precipitation.

Sea temperature

In Ios, the average seawater temperature in January is 16°C (60.8°F).
Note: For swimming, a surface water temperature of 16°C (60.8°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).

Daylight

In January, the average length of the day in Ios is 10h.

Sunshine

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

UV index

Months with the lowest UV index in Ios, Greece, are January and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low health risk from the exposure to the Sun's UV rays for the average person.
Note: The average daily UV index of 2 transform into the following instructions:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. 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.

What are the coldest months in Ios?

The coldest months in Ios are January and February, with an average high-temperature of 13°C (55.4°F).

What is the temperature in January in Ios?

In Ios, Greece, in January, the average high-temperature is 13°C (55.4°F), and the average low-temperature is 8°C (46.4°F).

How many days does it rain in January in Ios?

In January, the rain falls for 11 days. Throughout January, 99mm (3.9") of precipitation is accumulated.

What is the wettest month in Ios?

The month with the most rainfall in Ios is January when the rain falls for 11 days and typically aggregates up to 99mm (3.9") of precipitation.

What is the sea temperature in January in Ios?

In Ios, in January, the average water temperature is 16°C (60.8°F). For most, swimming in 16°C (60.8°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).

How many hours of daylight does Ios have in January?

In Ios, Greece, the average length of the day in January is 10h.

What is the month with the least sunshine in Ios?

Months with the least sunshine in Ios, Greece, are January and December, with an average of 4h of sunshine.

How long on average sun shines in January in Ios?

In January, the average sunshine is 4h.

What is the month with the lowest UV index in Ios?

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

What is the UV index intensity in January in Ios?

In Ios, Greece, the average daily maximum UV index in January is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to the Sun's UV rays.
Average temperature in January - Ios, Greece
  • Average high temperature in January: 13°C

The warmest month (with the highest average high temperature) is July (27°C).
Months with the lowest average high temperature are January and February (13°C).

  • Average low temperature in January: 8°C

Months with the highest average low temperature are July and August (21°C).
Coldest months (with the lowest average low temperature) are January and February (8°C).

Average rainfall in January - Ios, Greece
  • Average rainfall in January: 99mm

The wettest month (with the highest rainfall) is January (99mm).
Driest months (with the lowest rainfall) are July and August (2mm).

Average rainfall days in January - Ios, Greece
  • Average rainfall days in January: 11 days

The month with the highest number of rainy days is December (12 days).
The month with the lowest number of rainy days is August (0 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).
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

The month with the longest days is June (Average daylight: 14.6h).
The month with shortest days is December (Average daylight: 9.7h).

  • Average sunshine in January: 4h

The month with most sunshine is July (Average sunshine: 14h).
Months with least sunshine are January and December (Average sunshine: 4).

Average UV index in January - Ios, Greece
  • Average UV index in January: 2

Months with the highest UV index are June and July (UV index 10).
Months with the lowest UV index are January and December (UV index 2).