Annual mean 15°C · wettest around November · prevailing wind SE
Warmest
29.9 °C
Coldest
8.1 °C
Wettest
18%
Windiest
4.4 m/s
Prevailing
SE
3.6 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 Grosseto over the whole year is 15°C. August is the hottest month, with highs of about 29°C; January is the coldest, with lows of about 5°C. Grosseto has no sharply defined rainy season: the chance of rain on a given day runs from 5% in August, the driest month, to 16% in November, the wettest. Winds in Grosseto are highest in January, averaging 3.7 m/s (13 km/h), and lightest in June, at 2.8 m/s (10 km/h). The prevailing wind is from the SE. The clearest skies in Grosseto come in July, when the sky is typically 27% covered; November is the cloudiest month, at 56%.
Month by month Grosseto 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
9°C
5°C
5°C
10%
54%
3.7 m/s
2
0
41
February
11°C
6°C
7°C
12%
56%
3.5 m/s
5
0
56
March
13°C
7°C
9°C
11%
50%
3.7 m/s
14
0
66
April
16°C
9°C
13°C
9%
50%
3.4 m/s
45
1
82
May
20°C
13°C
18°C
10%
49%
3.3 m/s
71
9
77
June
26°C
18°C
25°C
6%
37%
2.8 m/s
67
51
36
July
29°C
21°C
29°C
6%
27%
2.8 m/s
36
70
11
August
29°C
21°C
29°C
5%
30%
2.8 m/s
33
68
11
September
24°C
17°C
23°C
9%
41%
2.9 m/s
72
43
45
October
19°C
13°C
18°C
9%
47%
3.1 m/s
73
9
77
November
14°C
10°C
11°C
16%
56%
3.6 m/s
28
0
72
December
10°C
7°C
7°C
13%
51%
3.6 m/s
4
0
52
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 Grosseto weather by season
Year round, Grosseto has days of about 9°C at their warmest in January, its coolest month, and 29°C in August, its warmest; the coolest hours of the day run from 5°C to 21°C through the year, and the average temperature over the year is 15°C around the clock. Rain is most likely around November and least likely around August. 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.
Grosseto weather in winterDecember to February
High 10°CLow 6°CRain 12%
Winter in Grosseto has typical daily highs of about 10°C and lows of about 6°C, with a 12% chance of rain on a given day.
Grosseto weather in springMarch to May
High 16°CLow 10°CRain 10%
Spring in Grosseto has typical daily highs of about 16°C and lows of about 10°C, with a 10% chance of rain on a given day.
Grosseto weather in summerJune to August
High 28°CLow 20°CRain 5%
Summer in Grosseto has typical daily highs of about 28°C and lows of about 20°C, with a 5% chance of rain on a given day.
Grosseto weather in autumnSeptember to November
High 19°CLow 13°CRain 11%
Autumn in Grosseto has typical daily highs of about 19°C and lows of about 13°C, with a 11% chance of rain on a given day.
When is the rainy season in Grosseto?
Grosseto has no sharply defined rainy season: the chance of rain on a given day runs from 5% in August, the driest month, to 16% in November, the wettest.
What time of year is Grosseto windiest?
Winds in Grosseto are highest in January, averaging 3.7 m/s (13 km/h), and lightest in June, at 2.8 m/s (10 km/h). The prevailing wind is from the SE.
What is the average temperature in Grosseto year round?
The average temperature in Grosseto over the whole year is 15°C. August is the hottest month, with highs of about 29°C; January is the coldest, with lows of about 5°C.