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Weather in Santorini Island for May 2025

Your guide to Santorini Island weather in May - trends and predictions

  • In general, the average temperature in Santorini Island at the beginning of May is 18.3 °C. As the month progressed, temperatures tended to noticeably warm up, reaching an average of 20.4 °C by the end of May.

  • With an average of 4 rainy days, Santorini Island experiences minimal rainfall in May, ensuring that most days remain pleasantly dry.

  • Is May a good time to visit Santorini Island? check out the best time to travel to Santorini Island page.

  • New! Chat with our AI weatherman - it’s amazing and free.
Average dry days
27
Dry days
Average rainy days
4
Rainy days
Average snowy days
0
Snow days
Average temperatures
19°/18°
Temperatures
Average wind speed
33 km/h
Avg max wind
Average humidity
76 %
Avg humidity

Santorini Island in May average weather

Move between months or click on a day
April
June
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Patchy rain possible
18°
2
Sunny
18°
3
Sunny
19°
4
Patchy rain possible
17°
5
Patchy rain possible
18°
6
Sunny
18°
7
Overcast
20°
8
Overcast
20°
9
Patchy rain possible
19°
10
Light rain shower
19°
11
Patchy rain possible
17°
12
Sunny
18°
13
Sunny
19°
14
Partly cloudy
18°
15
Sunny
19°
16
Partly cloudy
20°
17
Partly cloudy
21°
18
Partly cloudy
20°
19
Cloudy
19°
20
Partly cloudy
20°
21
Partly cloudy
21°
22
Patchy rain possible
20°
23
Sunny
20°
24
Sunny
20°
25
Partly cloudy
21°
26
Partly cloudy
20°
27
Sunny
20°
28
Sunny
21°
29
Partly cloudy
20°
30
Patchy rain possible
20°
31
Sunny
21°
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Access Santorini Island weather forecasts with a simple click. Select any date for comprehensive insights on temperature, rainfall, and wind conditions.
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Temperatures trend during May in Santorini Island

See the weather trend as well as the moving average line
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May weather day by day

Click on a date for more information
April June
Date Weather Temperatures Rain UV More
1 May Patchy rain possible
Patchy rain possible
 18° /17° 0.3 mm 4
2 May Sunny
Sunny
 18° /17° 0 mm 5
3 May Sunny
Sunny
 19° /17° 0 mm 5
4 May Patchy rain possible
Patchy rain possible
 17° /17° 0.1 mm 4
5 May Patchy rain possible
Patchy rain possible
 18° /16° 0.4 mm 4
6 May Sunny
Sunny
 18° /17° 0 mm 5
7 May Overcast
Overcast
 20° /18° 0 mm 4
8 May Overcast
Overcast
 20° /18° 0 mm 5
9 May Patchy rain possible
Patchy rain possible
 19° /18° 0.1 mm 4
10 May Light rain shower
Light rain shower
 19° /18° 8.1 mm 4
11 May Patchy rain possible
Patchy rain possible
 17° /17° 1.1 mm 4
12 May Sunny
Sunny
 18° /17° 0 mm 5
13 May Sunny
Sunny
 19° /18° 0 mm 5
14 May Partly cloudy
Partly cloudy
 18° /17° 0 mm 5
15 May Sunny
Sunny
 19° /18° 0 mm 5
16 May Partly cloudy
Partly cloudy
 20° /19° 0 mm 6
17 May Partly cloudy
Partly cloudy
 21° /19° 0 mm 6
18 May Partly cloudy
Partly cloudy
 20° /19° 0 mm 6
19 May Cloudy
Cloudy
 19° /19° 0 mm 4
20 May Partly cloudy
Partly cloudy
 20° /19° 0 mm 6
21 May Partly cloudy
Partly cloudy
 21° /19° 0 mm 6
22 May Patchy rain possible
Patchy rain possible
 20° /19° 0.4 mm 5
23 May Sunny
Sunny
 20° /19° 0 mm 6
24 May Sunny
Sunny
 20° /20° 0 mm 6
25 May Partly cloudy
Partly cloudy
 21° /20° 0 mm 6
26 May Partly cloudy
Partly cloudy
 20° /19° 0 mm 6
27 May Sunny
Sunny
 20° /19° 0 mm 6
28 May Sunny
Sunny
 21° /20° 0 mm 6
29 May Partly cloudy
Partly cloudy
 20° /20° 0 mm 6
30 May Patchy rain possible
Patchy rain possible
 20° /19° 0.1 mm 5
31 May Sunny
Sunny
 21° /20° 0 mm 6
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Important Notice
Our weather forecast for Santorini Island in May is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Santorini Island forecast closer to your planned date for the most up-to-date weather information.

Santorini Island in May - FAQ

What are the expected maximum and minimum temperatures in Santorini Island during May?
During May, expect a variety of temperatures with highs around 19° and lows near 18°, suitable for diverse activities and preferences.
How much rainfall should be expected in Santorini Island during May?
Expect minimal rainfall in Santorini Island during May, with a total of 10.7 mm over approximately 4 days. This minimal precipitation is unlikely to significantly impact plans.
What are the typical wind conditions in Santorini Island during May?
The average wind speed in Santorini Island during May is 33 km/h, suggesting breezy to windy conditions, depending on your activities.

What to pack to Santorini Island in May?

As you prepare for your trip to Santorini Island in May, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Santorini Island, during May, is comfortable and enjoyable, regardless of the weather conditions.

  • Clothing
    • Layered Clothing: Light sweaters, long-sleeve shirts, light jackets, and comfortable pants

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Location coordinates Where is Santorini Island?

Get accurate weather forecasts for Santorini Island, located at latitude 36.406 and longitude 25.457. Stay updated with localized weather information tailored for Santorini Island.

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