The city is located 10 kilometers (6 miles) away from the coast of the Tyrrhenian Sea, in the Tuscany region, in the area called Maremma, and has a climate similar to that of Rome, although a little more windy and a little less rainy.
, from December to February, is mild.
There is a moderate amount of sunny days, which can be mild, with highs around 12/15 °C (54/59 °F), but it often gets cold at night, with lows around freezing (0 °C or 32 °F) or slightly above. Cloudy periods, accompanied by wind and rain, are milder, especially at night, both because of the southern wind, which usually blows in periods of bad weather, and of cloud cover, which is able to prevent nocturnal cooling.
, brings cold and sunny days, with highs below 10 °C (50 °F) and possible light frosts at night. Sometimes, there can be particularly cold days, in which the maximum remains around 3/4 °C (37/39 °F) despite the sun.
On the coldest nights of the year, the temperature typically drops to -2/-4 °C (25/28 °F), but can sometimes drop lower.
The temperature dropped to -9.5 °C (15 °F) in February 1956, to -8.5 °C (16.5 °F) in January 1968, to -13 °C (8.5 °F) in January 1985, to -9.5 °C (15 °F) in January 1987, to -13 °C (8.5 °F) in February 1991, to -9.5 °C (15 °F) in December 1996, and to -9 °C (16 °F) in late February 2018.
in Grosseto is a very rare phenomenon because, as we mentioned, cold periods are usually sunny. Sometimes, however, quite heavy snowfalls may occur, for example, in December 1996, 30 cm (12 in) of snow fell.
, with rare thunderstorms. During the day it is hot, although a moderate mistral wind blows in the afternoon.
Sometimes, however, there can be particularly hot and muggy periods. On the
The highest record, 40 °C (104 °F), was recorded in the months of August of 1958, 2003 and 2017. On other occasions, the temperature reached 39 °C (102 °F) in the months of August 1974, 1981 and 1999, in June 2003, and in July 2004 and 2018.
to visit Grosseto are spring and autumn, ie from mid-April to mid-June and from September to early October. In June, the weather is often nice, but it can sometimes be hot, especially in the second half of the month.
The best months to go to the beach are July and August. In June, the sea is still a little cool.
. Here are the average temperatures.
January, the coldest month of the year, is generally a quite mild month. The average temperature is of
7,8 °C, with a minimum of
2,9 °C and a maximum of
12,7 °C.
On the coldest nights of the month, the temperature usually drops to around
-3,5 °C. However, it dropped to
-7,2 °C in January 2000.
On the warmest days of the month, the temperature usually reaches around
17,5 °C. However, it reached
19,4 °C in January 2002.
Precipitation amounts to
50 mm, distributed over 6 days.
The day lasts on average 9 hours and 30 minutes.
There are on average 4 hours of sunshine per day. So, the sun shines 44% of the time.
The average humidity is 76%. Hence, the air is normally humid.
The average wind speed is of
13,1 kph.
The average sea temperature is of
14,1 °C. Therefore, the sea is very cold for swimming.
February is generally a quite mild month. The average temperature is of
8,2 °C, with a minimum of
2,7 °C and a maximum of
13,7 °C.
On the coldest nights of the month, the temperature usually drops to around
-3,5 °C. However, it dropped to
-13 °C in February 1991.
On the warmest days of the month, the temperature usually reaches around
18,5 °C. However, it reached
22,8 °C in February 2019.
Precipitation amounts to
50 mm, distributed over 5 days.
The day lasts on average 10 hours and 35 minutes.
There are on average 4,5 hours of sunshine per day. So, the sun shines 43% of the time.
The average humidity is 72%. Hence, the air is normally humid.
The average wind speed is of
13,9 kph.
The average sea temperature is of
13,6 °C. Therefore, the sea is very cold for swimming.
March is generally a mild month. The average temperature is of
10,7 °C, with a minimum of
5 °C and a maximum of
16,4 °C.
On the coldest nights of the month, the temperature usually drops to around
-1 °C. However, it dropped to
-5 °C in March 2005.
On the warmest days of the month, the temperature usually reaches around
21 °C. However, it reached
27,6 °C in March 1991.
Precipitation amounts to
50 mm, distributed over 6 days.
The day lasts on average 12 hours and 0 minutes.
There are on average 5,5 hours of sunshine per day. So, the sun shines 46% of the time.
The average humidity is 72%. Hence, the air is normally humid.
The average wind speed is of
14,7 kph.
The average sea temperature is of
13,8 °C. Therefore, the sea is very cold for swimming.
April is generally a mild month. The average temperature is of
13,3 °C, with a minimum of
7,3 °C and a maximum of
19,3 °C.
On the coldest nights of the month, the temperature usually drops to around
1,5 °C. However, it dropped to
-2,4 °C in April 2003.
On the warmest days of the month, the temperature usually reaches around
25 °C. However, it reached
29,4 °C in April 2018.
Precipitation amounts to
50 mm, distributed over 6 days.
The day lasts on average 13 hours and 25 minutes.
There are on average 7 hours of sunshine per day. So, the sun shines 51% of the time.
The average humidity is 72%. Hence, the air is normally humid.
The average wind speed is of
13,2 kph.
The average sea temperature is of
15,1 °C. Therefore, the sea is cold for swimming.
May is generally a very mild month. The average temperature is of
17,5 °C, with a minimum of
11,3 °C and a maximum of
23,8 °C.
On the coldest nights of the month, the temperature usually drops to around
6,5 °C. However, it dropped to
1,6 °C in May 2019.
On the warmest days of the month, the temperature usually reaches around
29 °C. However, it reached
34 °C in May 2005.
Precipitation amounts to
35 mm, distributed over 4 days.
The day lasts on average 14 hours and 40 minutes.
There are on average 8 hours of sunshine per day. So, the sun shines 55% of the time.
The average humidity is 69%.
The average wind speed is of
11,6 kph.
The average sea temperature is of
18,1 °C. Therefore, the sea is cold for swimming.
June is generally a warm month. However, there are remarkable differences between night and day. The average temperature is of
21,7 °C, with a minimum of
15 °C and a maximum of
28,3 °C.
On the coldest nights of the month, the temperature usually drops to around
10 °C. However, it dropped to
6,8 °C in June 2005.
On the warmest days of the month, the temperature usually reaches around
33,5 °C. However, it reached
39 °C in June 2003.
Precipitation amounts to
30 mm, distributed over 2 days.
The day lasts on average 15 hours and 20 minutes. June 21, the winter solstice, is the shortest day of the year in the Southern Hemisphere.
There are on average 9,5 hours of sunshine per day. So, the sun shines 62% of the time.
The average humidity is 65%.
The average wind speed is of
11,9 kph.
The average sea temperature is of
21,5 °C. Therefore, the sea is cool for swimming.
July is generally a warm to hot month. However, there are remarkable differences between night and day. The average temperature is of
24,6 °C, with a minimum of
17,8 °C and a maximum of
31,4 °C.
On the coldest nights of the month, the temperature usually drops to around
13,5 °C. However, it dropped to
8,8 °C in July 1993.
On the warmest days of the month, the temperature usually reaches around
36 °C. However, it reached
39 °C in July 2004.
Precipitation amounts to
15 mm, and all occurs in one day.
The day lasts on average 14 hours and 55 minutes.
There are on average 11 hours of sunshine per day. So, the sun shines 72% of the time.
The average humidity is 62%.
The average wind speed is of
12,3 kph.
The average sea temperature is of
24,4 °C. Therefore, the sea is warm enough for swimming.
August, the hottest month of the year, is generally a warm to hot month. However, there are remarkable differences between night and day. The average temperature is of
25,1 °C, with a minimum of
18,5 °C and a maximum of
31,7 °C.
On the coldest nights of the month, the temperature usually drops to around
14 °C. However, it dropped to
10,6 °C in August 2006.
On the warmest days of the month, the temperature usually reaches around
36,5 °C. However, it reached
40,2 °C in August 2003.
Precipitation amounts to
20 mm, distributed over 2 days.
The day lasts on average 13 hours and 50 minutes.
There are on average 10 hours of sunshine per day. So, the sun shines 71% of the time.
The average humidity is 65%.
The average wind speed is of
12,1 kph.
The average sea temperature is of
25,2 °C. Therefore, the sea is warm enough for swimming.
September is generally a warm month. The average temperature is of
21,2 °C, with a minimum of
15,2 °C and a maximum of
27,2 °C.
On the coldest nights of the month, the temperature usually drops to around
9,5 °C. However, it dropped to
5,8 °C in September 2018.
On the warmest days of the month, the temperature usually reaches around
32 °C. However, it reached
35 °C in September 2016.
Precipitation amounts to
90 mm, distributed over 4 days.
The day lasts on average 12 hours and 25 minutes.
There are on average 8 hours of sunshine per day. So, the sun shines 64% of the time.
The average humidity is 69%.
The average wind speed is of
12,7 kph.
The average sea temperature is of
23,3 °C. Therefore, the sea can be considered barely acceptable for swimming.
October is generally a very mild month. The average temperature is of
17,2 °C, with a minimum of
11,9 °C and a maximum of
22,5 °C.
On the coldest nights of the month, the temperature usually drops to around
6 °C. However, it dropped to
1,4 °C in October 1994.
On the warmest days of the month, the temperature usually reaches around
27 °C. However, it reached
30,6 °C in October 2001.
Precipitation amounts to
75 mm, distributed over 6 days.
The day lasts on average 11 hours and 0 minutes.
There are on average 6 hours of sunshine per day. So, the sun shines 55% of the time.
The average humidity is 77%. Hence, the air is normally humid.
The average wind speed is of
12,6 kph.
The average sea temperature is of
20,8 °C. Therefore, the sea is cool for swimming.
November is generally a mild month. The average temperature is of
12,4 °C, with a minimum of
7,8 °C and a maximum of
17,1 °C.
On the coldest nights of the month, the temperature usually drops to around
1 °C. However, it dropped to
-4 °C in November 1995.
On the warmest days of the month, the temperature usually reaches around
22 °C. However, it reached
27 °C in November 2004.
Precipitation amounts to
100 mm, distributed over 7 days.
The day lasts on average 9 hours and 40 minutes.
There are on average 4 hours of sunshine per day. So, the sun shines 43% of the time.
The average humidity is 79%. Hence, the air is normally humid.
The average wind speed is of
13,7 kph.
The average sea temperature is of
18 °C. Therefore, the sea is cold for swimming.
December is generally a mild month. The average temperature is of
8,7 °C, with a minimum of
4 °C and a maximum of
13,3 °C.
On the coldest nights of the month, the temperature usually drops to around
-2,5 °C. However, it dropped to
-9,6 °C in December 1996.
On the warmest days of the month, the temperature usually reaches around
18 °C. However, it reached
20 °C in December 2003.
Precipitation amounts to
90 mm, distributed over 8 days.
The day lasts on average 9 hours and 5 minutes. December 21, the winter solstice, is the shortest day of the year in the Northern Hemisphere.
There are on average 4 hours of sunshine per day. So, the sun shines 42% of the time.
The average humidity is 77%. Hence, the air is normally humid.
The average wind speed is of
14,2 kph.
The average sea temperature is of
15,5 °C. Therefore, the sea is cold for swimming.