Siena in may: average Weather, Temperature and Climate
Weather in Siena in may 2025
The weather in Siena in may comes from statistical datas on the past years. You can view the weather statistics the entire month, but also by using the tabs for the beginning, the middle and the end of the month.
Average weather throughout may
good weather
Weather at 6am
59°F
Clear/Sunny
48% of time
26%
11%
8%
Weather at 12pm
70°F
Clear/Sunny
42% of time
29%
15%
7%
Weather at 6pm
61°F
Clear/Sunny
51% of time
20%
15%
6%
Weather at 3am
50°F
39%
21%
20%
15%
Evolution of daily average temperature and precipitation in Siena in may
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Siena in may.
The climate of Siena in may is good
In may in Siena, the climate is wet (with 3.9in of precipitation over 6 days). Unfortunately, the weather conditions is worsening than the previous month since in april there is an average of 2.7in of precipitation over 4 days.
The climate comfortable here this month. Temperatures are up to 70°F. In the morning the temperature drops to 59°F. Thus, the mean temperature average in may in Siena is 65°F. Note that seasonal normals in contrast with those observed in Siena in may with a maximum record of 90°F in 2009 and a minimum record of 47°F in 2016. You can expect to have about 26 days with temperatures up to 65°F, or 84% of the month.
In may in Siena, the days on average last 14:43. Sunrise is at 04:50 and sets at 19:33.
With a good weather, this month is a good month to go in Siena in Italy.
Seasonal average climate and temperature of Siena in may
Check below seasonal norms These datas are set from the weather statements earlier years of the month of may.
| May | |||||
| Outside temperature | |||||
| Average temperature | 65°F | ||||
| Highest temperature | 70°F | ||||
| Lowest temperature | 59°F | ||||
| Highest record temperature | 90°F (2009) | ||||
| Lowest record temperature | 47°F (2016) | ||||
| Number of days at +86°F | 0 day(s) (0%) | ||||
| Number of days at +65°F | 26 day(s) (84%) | ||||
| Wind | |||||
| Wind speed | 15km/h | ||||
| Wind temperature | 59°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 3.9in | ||||
| Number of days with rainfall | 6 day(s) (20%) | ||||
| Record daily rainfall | 1.6in (2010) | ||||
| Snowfall | 0cm | ||||
| Other climate data | |||||
| Humidity | 82% | ||||
| Visibility | 8.96km | ||||
| Cloud cover | 31% | ||||
| UV index | 5 | ||||
| Daily sunshine hours | 14 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 04:50 | ||||
| Time of sunset | 19:33 | ||||
| Length of day | 14:43 | ||||
| Our opinion about the weather in may | |||||
| Our opinion at whereandwhen.net | good | ||||
How was the weather last may?
Here is the day by day recorded weather in Siena in may 2024:
56°F to 63°F
49°F to 54°F
49°F to 58°F
47°F to 63°F
49°F to 67°F
50°F to 68°F
52°F to 63°F
49°F to 70°F
52°F to 70°F
50°F to 74°F
52°F to 74°F
52°F to 74°F
56°F to 74°F
54°F to 74°F
58°F to 70°F
56°F to 72°F
54°F to 70°F
52°F to 76°F
58°F to 74°F
59°F to 76°F
58°F to 68°F
54°F to 68°F
52°F to 70°F
54°F to 74°F
54°F to 68°F
54°F to 72°F
56°F to 77°F
58°F to 72°F
58°F to 74°F
59°F to 74°F
59°F to 74°F
Map: other cities in Italy in may
Cities near Siena:
| San Gimignano in may | good weather |
| Chianciano Terme in may | good weather |
| Tuscany in may | good weather |
| Florence in may | good weather |
| Sarteano in may | good weather |
| Follonica in may | good weather |
| Grosseto in may | good weather |
| Piombino in may | good weather |
| Pitigliano in may | good weather |
| Livorno in may | good weather |
| Calamecca in may | good weather |
| Pisa in may | good weather |
Click over cities on the map for information about the weather in may.
Siena
perfect weather
good
tolerable
bad
very bad
Weather data for Siena in may:
Weather data for Siena for may are derived from an average of the weather forecast since 2009 in Siena. There is a margin of error and these forecasts are to be considered as general information only. The weather in Siena can vary slightly from year to year, but this data should limit surprises. So you can pack your bags or check for the best time in year to go to Siena.