Annual mean 17°C · wettest around November · prevailing wind SW
Warmest
30.5 °C
Coldest
10.7 °C
Wettest
38%
Windiest
3.4 m/s
Prevailing
SW
2.8 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 San Sebastiano al Vesuvio 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 7°C. The rainy (wet) season in San Sebastiano al Vesuvio runs from November to February, peaking in November with a 37% chance of rain on a given day. The dry season is March to August; June is the driest month, at 11%. Winds in San Sebastiano al Vesuvio are highest in January, averaging 2.5 m/s (9 km/h), and lightest in October, at 1.9 m/s (7 km/h). The prevailing wind is from the SW. The clearest skies in San Sebastiano al Vesuvio come in July, when the sky is typically 24% covered; January is the cloudiest month, at 54%.
Month by month San Sebastiano al Vesuvio 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
11°C
7°C
8°C
25%
54%
2.5 m/s
7
0
63
February
13°C
8°C
10°C
26%
51%
2.4 m/s
12
0
75
March
14°C
9°C
12°C
24%
52%
2.5 m/s
27
0
80
April
18°C
12°C
16°C
19%
48%
2.3 m/s
63
4
81
May
22°C
16°C
20°C
23%
48%
2.2 m/s
80
18
66
June
27°C
21°C
27°C
11%
35%
2.0 m/s
51
64
20
July
29°C
23°C
31°C
13%
24%
2.0 m/s
22
69
5
August
30°C
23°C
31°C
15%
27%
2.0 m/s
18
68
5
September
26°C
19°C
26°C
25%
41%
2.0 m/s
58
59
27
October
22°C
16°C
21°C
23%
42%
1.9 m/s
85
24
59
November
16°C
12°C
15°C
37%
54%
2.3 m/s
55
0
77
December
13°C
9°C
10°C
28%
51%
2.3 m/s
16
0
73
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 San Sebastiano al Vesuvio weather by season
Year round, San Sebastiano al Vesuvio has days of about 11°C at their warmest in January, its coolest month, and 30°C in August, its warmest; the coolest hours of the day run from 7°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 June. 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.
San Sebastiano al Vesuvio weather in winterDecember to February
High 12°CLow 8°CRain 26%
Winter in San Sebastiano al Vesuvio has typical daily highs of about 12°C and lows of about 8°C, with a 26% chance of rain on a given day.
San Sebastiano al Vesuvio weather in springMarch to May
High 18°CLow 12°CRain 22%
Spring in San Sebastiano al Vesuvio has typical daily highs of about 18°C and lows of about 12°C, with a 22% chance of rain on a given day.
San Sebastiano al Vesuvio weather in summerJune to August
High 29°CLow 22°CRain 13%
Summer in San Sebastiano al Vesuvio has typical daily highs of about 29°C and lows of about 22°C, with a 13% chance of rain on a given day.
San Sebastiano al Vesuvio weather in autumnSeptember to November
High 21°CLow 16°CRain 28%
Autumn in San Sebastiano al Vesuvio has typical daily highs of about 21°C and lows of about 16°C, with a 28% chance of rain on a given day.
When is the rainy season in San Sebastiano al Vesuvio?
The rainy (wet) season in San Sebastiano al Vesuvio runs from November to February, peaking in November with a 37% chance of rain on a given day. The dry season is March to August; June is the driest month, at 11%.
What time of year is San Sebastiano al Vesuvio windiest?
Winds in San Sebastiano al Vesuvio are highest in January, averaging 2.5 m/s (9 km/h), and lightest in October, at 1.9 m/s (7 km/h). The prevailing wind is from the SW.
What is the average temperature in San Sebastiano al Vesuvio year round?
The average temperature in San Sebastiano al Vesuvio 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 7°C.