Climate and monthly weather forecastSan Costanzo, Italy
Climate and monthly weather forecast
Weather in January
January, the same as December, in San Costanzo, Italy, is a frosty winter month, with temperature in the range of an average high of 9.4°C (48.9°F) and an average low of 6.1°C (43°F). Temperature records mark January as the coldest month, with highs averaging 9.4°C (48.9°F) and lows at 6.1°C (43°F). Weather in January »Weather in February
February, the last month of the winter in San Costanzo, is a fresh month, with temperature in the range of an average high of 10.2°C (50.4°F) and an average low of 6.3°C (43.3°F). February reports an average high-temperature of a cool 10.2°C (50.4°F), slightly varied from January's 9.4°C (48.9°F). Weather in February »Weather in March
The first month of the spring, March, is also a fresh month in San Costanzo, Italy, with temperature in the range of an average low of 8.1°C (46.6°F) and an average high of 12.9°C (55.2°F). Stepping into March, San Costanzo records an average high-temperature of a still cool 12.9°C (55.2°F), almost consistent with February. Weather in March »Weather in April
April in San Costanzo, Italy, is a comfortable spring month, with an average temperature varying between 16°C (60.8°F) and 10.7°C (51.3°F). With the onset of April, San Costanzo experiences a subtle temperature shift, with the average high-temperature moving from a fresh 12.9°C (55.2°F) in March to a refreshing 16°C (60.8°F). Weather in April »Weather in May
May, the last month of the spring in San Costanzo, is also an enjoyable month, with an average temperature varying between 14°C (57.2°F) and 19.6°C (67.3°F). The onset of May introduces a subtle rise in the average high-temperature, nudging from 16°C (60.8°F) in April to a still enjoyable 19.6°C (67.3°F). Weather in May »Weather in June
June, the first month of the summer in San Costanzo, is a moderately hot month, with temperature in the range of an average low of 18.2°C (64.8°F) and an average high of 24.3°C (75.7°F). The start of June brings a subtle rise in the average high-temperature, moving from a comfortable 19.6°C (67.3°F) in May to a moderately hot 24.3°C (75.7°F). Weather in June »Weather in July
July, the same as June, is a moderately hot summer month in San Costanzo, Italy, with an average temperature ranging between min 21.3°C (70.3°F) and max 27.7°C (81.9°F). With the onset of July, San Costanzo's average high-temperature sees a modest rise, moving from June's moderately hot 24.3°C (75.7°F) to a still warm 27.7°C (81.9°F). Weather in July »Weather in August
August, the last month of the summer in San Costanzo, is also a moderately hot month, with an average temperature varying between 28°C (82.4°F) and 21.9°C (71.4°F). August stands out as San Costanzo's warmest month, with an average high-temperature of 28°C (82.4°F) and a low-temperature of 21.9°C (71.4°F). August's average heat index is appraised at a tropical 30°C (86°F). Weather in August »Weather in September
The first month of the autumn, September, is also a moderately hot month in San Costanzo, Italy, with an average temperature ranging between min 18.4°C (65.1°F) and max 23.7°C (74.7°F). September is marked by a subtle drop in average high-temperatures, transitioning from 28°C (82.4°F) in August to a still moderately hot 23.7°C (74.7°F). Weather in September »Weather in October
October, like September, in San Costanzo, Italy, is another enjoyable autumn month, with an average temperature varying between 14.9°C (58.8°F) and 19.2°C (66.6°F). The advent of October brings a subtle shift in temperature, with the average high moving from a moderately hot 23.7°C (74.7°F) in September to a comfortable 19.2°C (66.6°F). Weather in October »Weather in November
The last month of the autumn, November, is another refreshing month in San Costanzo, Italy, with temperature in the range of an average high of 14.8°C (58.6°F) and an average low of 11.1°C (52°F). The advent of November brings a subtle shift in temperature, with the average high moving from a comfortable 19.2°C (66.6°F) in October to a still refreshing 14.8°C (58.6°F). Weather in November »Weather in December
The first month of the winter, December, is still a cool month in San Costanzo, Italy, with an average temperature ranging between max 10.8°C (51.4°F) and min 7.5°C (45.5°F). With the beginning of December, the average high-temperature shows a small decrease, transitioning from a mild 14.8°C (58.6°F) in November to a fresh 10.8°C (51.4°F). Weather in December »Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
San Costanzo, Italy
The warmest month (with the highest average high temperature) is August (28°C).
The month with the lowest average high temperature is January (9.4°C).
The month with the highest average low temperature is August (21.9°C).
The coldest month (with the lowest average low temperature) is January (6.1°C).
Average pressure
San Costanzo, Italy
- Average pressure in January:
1016.6mbar - Average pressure in February:
1014.6mbar - Average pressure in March:
1014.7mbar - Average pressure in April:
1014.1mbar - Average pressure in May:
1013.9mbar - Average pressure in June:
1013.8mbar
- Average pressure in July:
1013.4mbar - Average pressure in August:
1014.2mbar - Average pressure in September:
1015.5mbar - Average pressure in October:
1016.8mbar - Average pressure in November:
1014.8mbar - Average pressure in December:
1018.7mbar
The month with the highest atmospheric pressure is December (1018.7mbar).
The month with the lowest atmospheric pressure is July (1013.4mbar).
Average wind speed
San Costanzo, Italy
- Average wind speed in January:
13.3km/h - Average wind speed in February:
14.7km/h - Average wind speed in March:
14.1km/h - Average wind speed in April:
11.8km/h - Average wind speed in May:
11.7km/h - Average wind speed in June:
10.4km/h
- Average wind speed in July:
10.6km/h - Average wind speed in August:
10.5km/h - Average wind speed in September:
11.4km/h - Average wind speed in October:
11.7km/h - Average wind speed in November:
12.6km/h - Average wind speed in December:
13.5km/h
The windiest month (with the highest average wind speed) is February (14.7km/h).
The calmest month (with the lowest average wind speed) is June (10.4km/h).
Average humidity
San Costanzo, Italy
The month with the highest relative humidity is November (77%).
The months with the lowest relative humidity are July and August (63%).
Average rainfall
San Costanzo, Italy
The wettest month (with the highest rainfall) is May (49mm).
The driest month (with the least rainfall) is August (22mm).
Average rainfall days
San Costanzo, Italy
- Average rainfall days in January:
10.9 days - Average rainfall days in February:
9.7 days - Average rainfall days in March:
11.6 days - Average rainfall days in April:
10.8 days - Average rainfall days in May:
12.8 days - Average rainfall days in June:
11.8 days
- Average rainfall days in July:
8.8 days - Average rainfall days in August:
7.9 days - Average rainfall days in September:
11.1 days - Average rainfall days in October:
9.9 days - Average rainfall days in November:
11.7 days - Average rainfall days in December:
10.1 days
The month with the highest number of rainy days is May (12.8 days).
The month with the least rainy days is August (7.9 days).
Average snowfall
San Costanzo, Italy
The month with the highest snowfall is January (12mm).
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0mm).
Average snowfall days
San Costanzo, Italy
- Average snowfall days in January:
0.8 days - Average snowfall days in February:
0.9 days - Average snowfall days in March:
0.3 days - Average snowfall days in April:
0 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0 days - Average snowfall days in November:
0 days - Average snowfall days in December:
0.3 days
The month with the highest number of snowfall days is February (0.9 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight / Average sunshine
San Costanzo, Italy
- Average daylight in January:
9h and 24min - Average daylight in February:
10h and 30min - Average daylight in March:
11h and 54min - Average daylight in April:
13h and 30min - Average daylight in May:
14h and 42min - Average daylight in June:
15h and 24min
- Average daylight in July:
15h and 6min - Average daylight in August:
13h and 54min - Average daylight in September:
12h and 30min - Average daylight in October:
11h and 0min - Average daylight in November:
9h and 42min - Average daylight in December:
9h and 0min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in January:
5h and 18min - Average sunshine in February:
5h and 36min - Average sunshine in March:
8h and 0min - Average sunshine in April:
10h and 18min - Average sunshine in May:
10h and 42min - Average sunshine in June:
11h and 42min
- Average sunshine in July:
11h and 54min - Average sunshine in August:
11h and 48min - Average sunshine in September:
10h and 42min - Average sunshine in October:
6h and 30min - Average sunshine in November:
5h and 48min - Average sunshine in December:
6h and 6min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 5h and 18min).
Average sunshine days
San Costanzo, Italy
- Average sunshine days in January:
17.9 days - Average sunshine days in February:
15.3 days - Average sunshine days in March:
18.3 days - Average sunshine days in April:
18.2 days - Average sunshine days in May:
15.3 days - Average sunshine days in June:
15.7 days
- Average sunshine days in July:
19.1 days - Average sunshine days in August:
20.8 days - Average sunshine days in September:
17.4 days - Average sunshine days in October:
19.3 days - Average sunshine days in November:
16.9 days - Average sunshine days in December:
18.7 days
The month with the most sunshine days is August (20.8 days).
The months with the least sunshine days are February and May (15.3 days).
Average UV index
San Costanzo, Italy
The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is January (UV index 2).
Average cloud cover
San Costanzo, Italy
The month with the most cloud cover is January (Cloud cover 45).
The month with the least cloud cover is August (Cloud cover 11).
Average visibility
San Costanzo, Italy
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).





