Santorini
Greece
Long-term weather forecast
Long-term weather forecast

January weather forecast and climate
Santorini, Greece

The white houses on the Island of lovers overlooking clear blue waters with small boats sailing, in Santorini, Greece, a small mountain in the distance
The white houses on the Island of lovers overlooking clear blue waters with small boats sailing, in Santorini, Greece, a small mountain in the distance
January, like December, is a moderate winter month in Santorini, Greece, with average temperature ranging between max 14°C (57.2°F) and min 9°C (48.2°F).

Temperature

January and February, with an average high-temperature of 14°C (57.2°F), are the coldest months.

Rainfall

The month with the most rainfall in Santorini is January when the rain falls for 11 days and typically aggregates up to 114mm (4.5") of precipitation.

Sea temperature

In January, the average sea temperature is 16.8°C (62.2°F). Swimming in 16.8°C (62.2°F) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 21°C (69.8°F).

Daylight

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

Sunshine

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

UV index

January and December, with an average maximum UV index of 2, are months with the lowest UV index in Santorini. A UV Index value of 2, and less, symbolizes a low threat to health from the exposure to the Sun's UV radiation for the ordinary person.
The daily maximum UV index of 2 interpret into the following advice:
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. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.

What are the coldest months in Santorini?

The coldest months in Santorini are January and February, with an average high-temperature of 14°C (57.2°F).

What is the temperature in January in Santorini?

The average high-temperature, in January, in Santorini, is 14°C (57.2°F), while the average low-temperature is 9°C (48.2°F).

How much does it rain in Santorini in January?

In Santorini, Greece, in January, during 11 rainfall days, 114mm (4.5") of precipitation is typically accumulated.

What is the wettest month in Santorini?

January is the month with the most rainfall in Santorini. Rain falls for 11 days and accumulates 114mm (4.5") of precipitation.

What is the sea water temperature in January in Santorini?

In Santorini, Greece, the average seawater temperature in January is 16.8°C (62.2°F). Swimming in 16.8°C (62.2°F) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 21°C (69.8°F).

What is the average length of the day in January in Santorini?

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

What is the month with the least sunshine in Santorini?

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

How many hours of sunshine does Santorini have in January?

In January, the average sunshine is 4h.

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

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

What is the UV index reading in January in Santorini?

In Santorini, the average daily maximum UV index in January is 2. A UV Index estimate of 2, and below, represents a low health threat from the exposure to the Sun's UV radiation.
Average temperature in January - Santorini, Greece
  • Average high temperature in January: 14°C

The warmest month (with the highest average high temperature) is July (28°C).
Months with the lowest average high temperature are January and February (14°C).

  • Average low temperature in January: 9°C

Months with the highest average low temperature are July and August (22°C).
Coldest months (with the lowest average low temperature) are January and February (9°C).

Average rainfall in January - Santorini, Greece
  • Average rainfall in January: 114mm

The wettest month (with the highest rainfall) is January (114mm).
Driest months (with the lowest rainfall) are July and August (1mm).

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

The month with the highest number of rainy days is December (12 days).
Months with the lowest number of rainy days are June, July, August and September (1 days).

Average sea temperature in January - Santorini, Greece
  • Average sea temperature in January: 16.8°C

The best month for swimming (with the highest average sea temperature) is August (25.7°C).
The coldest month (with the lowest average sea temperature) is February (16.5°C).

Average daylight in January / Average sunshine in January - Santorini, 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

Months with most sunshine are June and July (Average sunshine: 13h).
Months with least sunshine are January and December (Average sunshine: 4).

Average UV index in January - Santorini, 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).