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Santorini weather in January

Weather in Santorini: January

Average day temperature: 58.2°F
Average night temperature: 56.6°F
Sea water temperature: 62.9°F
Number of sunny days: 11 days
Day length: 9.7 - 10.4 hours
Number of rainy days: 4 days
Precipitation totals: 2.2 in.

Air temperature in January, °F

Show year:
2025
2024
2023
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
0
11
22
33
44
55
66
77
Day temperature   
Night temperature

The highest day temperature during January of 2025 was 64°F. At the same time the lowest night temperature was 57°F. Daily and nightly averages during January were 60.5°F and 60.2°F.

Sea water temperature in Santorini in January, °F

Show year:
2025
2024
2023
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
58
60
62
64
66
68
70
72

The average sea water temperature in January of 2025 was 64.2°F. The highest and lowest sea temperatures during the month were 65.3°F and 63.7°F.

Sunny, partly cloudy and cloudy days
Sunny days
Partly cloudy days
Cloudy days
29%
35%
35%

Number of sunny, partly cloudy and cloudy days in January is almost equal.

Precipitation total in January, in.

jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
0.3
0.6
1.0
1.3
1.6
1.9
2.2
1.5
1.1
1.0
1.1
1.5
1.1
1.0
1.1
1.9

Precipitation total value in Santorini in January is 1.9 in. Other months of the year show relatively similar values.

Wind speed in January, mph
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
3.1
6.1
9.2
12.2
15.3
18.4
21.4
24.5
16.6
14.6
13.2
14.5
14.3
15.6
12.6
12.3
13.9
17.1
17.3
16.6
14.6
13.2
14.5
14.3
15.6
12.6
12.3
13.9
17.1
17.3
17.8

The average wind speed value in January is 17.8 mph It makes January most windy month of the year.

Average sunny hours
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
2.4
4.8
7.3
9.7
12.1
14.5
16.9
4.9
7.0
9.4
11.1
13.1
14.1
13.4
11.7
9.9
8.0
6.5
4.9
7.0
9.4
11.1
13.1
14.1
13.4
11.7
9.9
8.0
6.5
5.2

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in January is: 5.2.

Best time for vacation in Santorini

Sunniest months:
July 31 days
August 30 days
June 29 days
Warmest months:
August 82.0 °F
July 81.0 °F
September 78.5 °F
Warmest sea temp:
August 77.4 °F
September 76.4 °F
July 75.8 °F
Coldest months:
January 58.2 °F
February 58.4 °F
March 59.8 °F
Rainiest months:
December 4 days
January 4 days
February 3 days
Windiest months:
January 17.5 mph
February 17.4 mph
March 16.7 mph

Santorini on a weather map

Leaflet | Tiles © Esri
Places in Greece:
Name
°F
+57°F
+61°F
+50°F
+54°F
+57°F
+54°F
+57°F
+55°F
+57°F
+52°F
+57°F
+46°F
+55°F
+52°F
24 Hours Forecast
Santorini
Local time: 20:14
April 03, thursday
2100
57°F
SE
17 mph
April 04, friday
0000
57°F
SE
14 mph
0300
57°F
SE
14 mph
0600
57°F
SE
15 mph
0900
57°F
SE
11 mph
1200
57°F
SE
11 mph
1500
59°F
SE
11 mph
1800
59°F
SE
9 mph
Units of measurement: °C / °F