Annual mean 17°C · wettest around November · prevailing wind SW
Warmest
30.5 °C
Coldest
11.0 °C
Wettest
27%
Windiest
3.8 m/s
Prevailing
SW
3.0 m/s average
When this place is good five ratings · thirty-six ten-day sections · click a cell to read it
never good
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Every reading
bars actual · line feels-like, °Cchance of rain, %wind speed, m/ssky covered, %
The average temperature in Ischia over the whole year is 17°C. August is the hottest month, with highs of about 30°C; January is the coldest, with lows of about 8°C. The rainy (wet) season in Ischia runs from November to February, peaking in November with a 28% chance of rain on a given day. The dry season is March to October; July is the driest month, at 5%. Winds in Ischia are highest in January, averaging 2.8 m/s (10 km/h), and lightest in June, at 2.2 m/s (8 km/h). The prevailing wind is from the SW. The clearest skies in Ischia come in July, when the sky is typically 23% covered; January is the cloudiest month, at 54%.
Month by month Ischia climate by month: average temperatures year round · click a month to read it
Month
High
Low
Feels like
Chance of rain
Cloud
Wind
Being outside
Sun
Walking
January
12°C
8°C
8°C
18%
54%
2.8 m/s
6
0
64
February
13°C
8°C
10°C
18%
51%
2.7 m/s
12
0
77
March
14°C
9°C
12°C
16%
52%
2.7 m/s
25
0
82
April
18°C
11°C
16°C
11%
49%
2.5 m/s
64
3
85
May
21°C
15°C
20°C
14%
49%
2.4 m/s
85
16
70
June
27°C
20°C
27°C
6%
35%
2.2 m/s
53
67
19
July
30°C
23°C
31°C
5%
23%
2.2 m/s
19
71
4
August
30°C
22°C
31°C
7%
27%
2.2 m/s
17
69
4
September
26°C
19°C
26°C
16%
40%
2.2 m/s
58
62
24
October
22°C
16°C
21°C
15%
42%
2.2 m/s
86
22
62
November
17°C
13°C
15°C
28%
53%
2.7 m/s
58
0
80
December
13°C
9°C
10°C
19%
50%
2.6 m/s
16
0
76
High and low are the warmest and coolest of four readings a day — midnight, 6am, noon and 6pm — so a true overnight low can sit a degree or two under them. Chance of rain, cloud and wind are the day’s average; feels-like and the three ratings (each out of 100: Good from 55, Ideal from 80) are read at midday.
Seasons, and the year in short Ischia weather by season
Year round, Ischia has days of about 12°C at their warmest in January, its coolest month, and 30°C in August, its warmest; the coolest hours of the day run from 8°C to 23°C through the year, and the average temperature over the year is 17°C around the clock. Rain is most likely around November and least likely around July. Every figure here is a decade of observations blended into one representative year, so it reads as what this date is usually like, not a forecast for one particular day.
Ischia weather in winterDecember to February
High 12°CLow 8°CRain 19%
Winter in Ischia has typical daily highs of about 12°C and lows of about 8°C, with a 19% chance of rain on a given day.
Ischia weather in springMarch to May
High 18°CLow 12°CRain 14%
Spring in Ischia has typical daily highs of about 18°C and lows of about 12°C, with a 14% chance of rain on a given day.
Ischia weather in summerJune to August
High 29°CLow 22°CRain 6%
Summer in Ischia has typical daily highs of about 29°C and lows of about 22°C, with a 6% chance of rain on a given day.
Ischia weather in autumnSeptember to November
High 21°CLow 16°CRain 20%
Autumn in Ischia has typical daily highs of about 21°C and lows of about 16°C, with a 20% chance of rain on a given day.
When is the rainy season in Ischia?
The rainy (wet) season in Ischia runs from November to February, peaking in November with a 28% chance of rain on a given day. The dry season is March to October; July is the driest month, at 5%.
What time of year is Ischia windiest?
Winds in Ischia are highest in January, averaging 2.8 m/s (10 km/h), and lightest in June, at 2.2 m/s (8 km/h). The prevailing wind is from the SW.
What is the average temperature in Ischia year round?
The average temperature in Ischia over the whole year is 17°C. August is the hottest month, with highs of about 30°C; January is the coldest, with lows of about 8°C.