Weather in Grosseto: May
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Average day temperature: | 70.1°F |
| Average night temperature: | 55.7°F | |
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Sea water temperature: | 64.7°F |
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Number of sunny days: | 20 days |
| Day length: | 14.1 - 15.1 hours | |
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Number of rainy days: | 3 days |
| Precipitation totals: | 1.3 in. | |
| more information | ||
14 days
forecast
forecast
| Grosseto |
sea water
temperature
temperature
| Grosseto |
Air temperature in May, °F
Show year:
2026
2025
2024
The highest day temperature during May of 2026 was 81°F. At the same time the lowest night temperature was 46°F. Daily and nightly averages during May were 69.3°F and 55.7°F.
Sea water temperature in Grosseto in May, °F
Show year:
2026
2025
2024
The average sea water temperature in May of 2026 was 64.5°F. The highest and lowest sea temperatures during the month were 67.1°F and 63.1°F.
Sunny, partly cloudy and cloudy days
Mostly all days in May are sunny but cloudy days are also possible.
Precipitation total in May, in.
Precipitation total value in Grosseto in May is 1.3 in. Other months of the year show relatively similar values.
Wind speed in May, mph
The average wind speed value in May is 7.6 mph
Average sunny hours
This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in May is: 9.8.
Best time for vacation in Grosseto
Grosseto on a weather map
Places in Italy:
Name
°F
24 Hours Forecast
Grosseto
Local time: 18:35
May 26, tuesday
2100
70°F
SE
2 mph
2 mph
May 27, wednesday
0000
68°F
SW
4 mph
4 mph
0300
66°F
S
4 mph
4 mph
0600
66°F
SW
4 mph
4 mph
0900
75°F
S
2 mph
2 mph
1200
81°F
E
9 mph
9 mph
1500
82°F
E
17 mph
17 mph
1800
81°F
SE
16 mph
16 mph
