January weather forecast
Santorini, Greece

The white houses on the Island of lovers overlooking clear blue waters, Santorini, Greece
The white houses on the Island of lovers overlooking clear blue waters, Santorini, Greece

Weather in January

January, like December, is a moderate winter month in Santorini, Greece, with an average temperature varying between 14°C (57.2°F) and 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 is January, when the rain falls for 11 days and typically aggregates up to 114mm (4.49") of precipitation.

Sea temperature

In January, the average sea temperature is 16.8°C (62.2°F).
Note: For most, swimming in 16.8°C (62.2°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).

Daylight

In Santorini, the average length of the day in January is 10h and 1min.
On the first day of the month, sunrise is at 07:29 and sunset at 17:13. On the last day of January, in Santorini, sunrise is at 07:20 and sunset at 17:42 EET.

Sunshine

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

UV index

The months with the lowest UV index are January 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 radiation for the ordinary person.
Note: The daily maximum UV index of 2 in January interpret into the following advice:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. 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 the 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.
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FAQ

What are the coldest months in Santorini?

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

What is the rainiest month in Santorini?

January is the month with the most rainfall in Santorini. Rain falls for 11 days and accumulates 114mm (4.49") of precipitation.

How many days does it rain in January in Santorini?

In Santorini, Greece, in January, it is raining for 11 days, with typically 114mm (4.49") of accumulated precipitation.

What is the sea temperature in January in Santorini?

In Santorini, in January, the average water temperature is 16.8°C (62.2°F). For most, swimming in 16.8°C (62.2°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).

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

In January, the average day length is 10h and 1min.

What time are sunrise and sunset in January in Santorini?

In January, on the first day of the month, sunrise is at 07:29 and sunset at 17:13. On the last day of the month, sunrise is at 07:20 and sunset at 17:42 EET.

What is the month with the least sunshine in Santorini?

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

How long on average sun shines in January in Santorini?

In January, the average sunshine duration in Santorini is 4h.

What are the months with the lowest UV index in Santorini?

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

What is the UV index intensity in January in Santorini?

In Santorini, 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 exposure to Sun's UV rays.

Average temperature in January
Santorini, Greece

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).
The months with the lowest average high temperature are January and February (14°C).

  • Average low temperature in January: 9°C

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

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Average rainfall in January
Santorini, Greece

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

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

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Average rainfall days in January
Santorini, Greece

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).
The months with the least rainy days are June, July, August and September (1 days).

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Average sea temperature in January
Santorini, Greece

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).

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

Average daylight in January / Average sunshine in January - Santorini, Greece
  • Average daylight in January: 10h and 1min

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 44min).

  • Average sunshine in January: 4h

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

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Average UV index in January
Santorini, Greece

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

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

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