World Resorts Italy Siena Weather

Siena weather in May

Weather in Siena: May

Average day temperature: 69.5°F
Average night temperature: 51.0°F
Number of sunny days: 17 days
Day length: 14.1 - 15.2 hours
Number of rainy days: 5 days
Precipitation totals: 2.3 in.

Air temperature in May, °F

Show year:
2024
2023
2022
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
0
13
26
39
52
65
78
91
Day temperature   
Night temperature

The highest day temperature during May of 2024 was 76°F. At the same time the lowest night temperature was 45°F. Day and night temperature averages during May were 69.1°F and 52.7°F.

Sunny, partly cloudy and cloudy days
Sunny days
Partly cloudy days
Cloudy days
45%
32%
23%

Mostly all days in May are sunny but cloudy days are also possible.

Precipitation total in May, in.

jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
0.4
0.9
1.3
1.7
2.2
2.6
3.0
1.9
2.5
1.7
2.0
1.0
1.5
1.5
1.7
1.7
1.3
1.9
2.5
1.7
2.0
1.0
1.5
2.4
1.5
1.7
1.7
1.3

Precipitation total value in Siena in May is 2.4 in. Other months of the year show relatively similar values.

Wind speed in May, mph
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
1.1
2.2
3.3
4.4
5.5
6.6
7.7
4.6
5.4
4.7
5.1
5.4
5.6
5.1
5.9
6.4
5.7
5.6
4.6
5.4
4.7
5.1
5.4
5.6
5.1
5.6
5.9
6.4
5.7
5.6

The average wind speed value in May is 5.6 mph

Average sunny hours
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
2.2
4.4
6.6
8.8
11.0
13.3
15.5
4.7
5.1
6.9
8.9
11.3
12.9
11.8
8.3
7.3
5.7
4.9
4.7
5.1
6.9
8.9
11.3
12.9
11.8
9.1
8.3
7.3
5.7
4.9

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: 9.1.

Best time for vacation in Siena

Sunniest months:
July 27 days
August 27 days
June 23 days
Warmest months:
August 88.8 °F
July 88.5 °F
June 80.7 °F
Coldest months:
January 47.7 °F
December 49.5 °F
February 50.6 °F
Rainiest months:
May 5 days
June 5 days
November 4 days
Windiest months:
March 6.8 mph
February 6.2 mph
April 6.0 mph

Siena on a weather map

Leaflet | Tiles © Esri
Places in Italy:
Name
°F
+57°F
+55°F
+54°F
+55°F
+63°F
+57°F
+61°F
+61°F
+55°F
+64°F
+50°F
+55°F
+55°F
24 Hours Forecast
Siena
Local time: 14:08
March 02, sunday
1500
50°F
SW
11 mph
1800
45°F
SW
9 mph
2100
37°F
SW
5 mph
March 03, monday
0000
36°F
SW
4 mph
0300
34°F
SW
4 mph
0600
34°F
SW
4 mph
0900
43°F
SW
4 mph
1200
54°F
SW
9 mph
Units of measurement: °C / °F