In general the best time to visit Skiathos is probably June, July, August, September, when the weather is usually great. The hottest months are June, July, August, while the coldest months are January, February, December.
Depending on the activities you want to experience, you may choose different months to visit:
The best time for a sunbathing holiday is June, July, August. Average maximum temperatures are up to +27°C in August and it has 26 sunny days on average.
In general, it’s pleasant to walk and do outdoor activities during May - October.
If you want to avoid wet weather, then your choice is January, November, December with the lowest chance of rain.
Average weather in Skiathos in different months
This is the average weather in Skiathos for each month based on historic data:
In June, July, August, September the weather is great. There are an average of 27 sunny days in July and the temperature ranges from +24°C to +27°C.
March, April, May, October usually has good weather. Average maximum temperature reaches +20°C during May.
In January, February, November, December the weather is average. Expect around 31 rainy days, and the precipitation amounts to approximately 103 mm in December.
Climate in Skiathos
Here is the detailed breakdown of the climate in Skiathos for each month:
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Maximum Temperature
+19°C
+21°C
+26°C
+25°C
+29°C
+36°C
+36°C
+35°C
+33°C
+29°C
+25°C
+21°C
Average Maximum Temperature
+12°C
+12°C
+14°C
+16°C
+20°C
+25°C
+27°C
+27°C
+24°C
+20°C
+16°C
+13°C
Minimum Temperature
0°C
-1°C
+1°C
+6°C
+11°C
+15°C
+19°C
+18°C
+16°C
+10°C
+6°C
+2°C
Humidity, %
76
74
73
72
69
65
63
65
68
73
76
77
Rain, mm
93
81
81
42
35
19
19
23
45
78
79
103
Snow, mm
1
1
1
0
0
0
0
0
0
0
0
0
Average wind speed, m/s
2
2
2
1
1
1
1
1
1
2
2
2
Sunny Days
6
6
9
11
14
21
27
26
18
10
5
6
Cloud Days
17
14
15
15
14
7
3
3
9
15
18
17
Rainy Days
8
8
7
4
3
2
1
2
3
6
7
8
Snowy Days
0
0
0
0
0
0
0
0
0
0
0
0
Average Temperature
Here are the average maximum and minimum temperatures in Skiathos during the whole year:
The hottest month in Skiathos is August with average maximum temperature going up to +27°C. The coldest month is January with the lowest temperatures of +9°C.
Humidity
The temperature feels different depending on humidity. Here is how humidity in Skiathos looks throughout the year, in %:
The most humid month in Skiathos is December with average humidity going up to 77%. The least humid month is July with an average humidity of 63%.
Rain
Amount of rainfall in mm. in Skiathos during the whole year based on historical data:
The sunniest and driest month is July with approximately 27 sunny days and a total precipitation of around 19 mm. The rainiest and wettest month is December with approximately 8 rainy days and 103 mm of total precipitation.
Snow
Amount of snow in mm. in Skiathos during the whole year based on historical data:
The snowiest month is March with approximately 0 snowy days.
FAQ
Frequently asked questions about the weather in Skiathos:
What is the hottest month in Skiathos?
The hottest month in Skiathos is August with average maximum temperature of +27°C.
What is the coldest month in Skiathos?
The coldest month in Skiathos is January with minimum temperatures of +9°C.
Is Skiathos worth visiting in winter?
Winter in Skiathos could be a good time to visit, as the weather is generally ok.
When does it rain the least in Skiathos?
if you're looking to visit Skiathos when it rains the least, you should plan your trip for December, January, March. During this time, rainfall is rare with the driest month being June with only 19 mm of rain.
For this page, we’ve looked at the typical weather in Skiathos, based on historical hourly weather data from January 1, 1979, to December 31, 2022.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.