March weather forecastSiena, Italy
March
Weather in March
March brings the charm of early spring to Siena, Italy, warming up the city after the snow-filled February. The climate gradually begins to intensify, transforming the wintery landscapes into a scenery filled with blossoming flowers and lush greenery. The snow gradually dissipates with an average collection of 10mm (0.39") falling over just 0.8 days, making the weather more accommodating for outdoor activities. March also sees a mild reduction in humidity levels and a comparable trend in atmospheric pressure. The gradual increase in daylight hours, from 9.4 hours in January to 11.9 hours in March, signal the arrival of spring.Temperature
With the onset of March, Siena experiences a subtle temperature shift, with the average high-temperature moving from a frosty 9.7°C (49.5°F) in February to a refreshing 13.3°C (55.9°F). Throughout March, an average nighttime temperature of 4.1°C (39.4°F) is experienced.Humidity
The average relative humidity in March in Siena, Italy, is 78%.Rainfall
In Siena, in March, it is raining for 12.3 days, with typically 27mm (1.06") of accumulated precipitation. In Siena, during the entire year, the rain falls for 123.6 days and collects up to 363mm (14.29") of precipitation.Snowfall
January through March and December are months with snowfall. March is the last month it regularly snows in Siena. During 0.8 snowfall days, in March, Siena aggregates 10mm (0.39") of snow. Throughout the year, in Siena, there are 3.6 snowfall days, and 48mm (1.89") of snow is accumulated.Daylight
In March, the average length of the day is 11h and 57min.On the first day of March in Siena, sunrise is at 06:49 and sunset at 18:03. On the last day of the month, sunrise is at 05:57 and sunset at 18:40 CET.
Sunshine
The average sunshine in March in Siena is 7.7h.UV index
In Siena, Italy, the average daily maximum UV index in March is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: In March, a regular UV index of 4 translates into these guidelines:
Adopt protective measures - It is advised to guard against sun damage. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in March
Siena, Italy
- Average high temperature in March: 13.3°C
The warmest month (with the highest average high temperature) is August (30.3°C).
The month with the lowest average high temperature is January (8.5°C).
- Average low temperature in March: 4.1°C
The month with the highest average low temperature is August (16.3°C).
The coldest month (with the lowest average low temperature) is January (1.9°C).
Average pressure in March
Siena, Italy
- Average pressure in March: 1014.4mbar
The month with the highest atmospheric pressure is December (1018.4mbar).
The month with the lowest atmospheric pressure is July (1013.5mbar).
Average wind speed in March
Siena, Italy
- Average wind speed in March: 10.8km/h
The windiest months (with the highest average wind speed) are February and March (10.8km/h).
The calmest month (with the lowest average wind speed) is June (7.1km/h).
Average humidity in March
Siena, Italy
- Average humidity in March: 78%
The month with the highest relative humidity is November (85%).
The month with the lowest relative humidity is August (63%).
Average rainfall in March
Siena, Italy
- Average rainfall in March: 27mm
The wettest month (with the highest rainfall) is November (50mm).
The driest month (with the least rainfall) is August (14mm).
Average rainfall days in March
Siena, Italy
- Average rainfall days in March: 12.3 days
The month with the highest number of rainy days is May (13.5 days).
The month with the least rainy days is August (5.8 days).
Average snowfall in March
Siena, Italy
- Average snowfall in March: 10mm
The month with the highest snowfall is February (20mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in March
Siena, Italy
- Average snowfall days in March: 0.8 days
The month with the highest number of snowfall days is February (1.4 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in March /
Average sunshine in March
Siena, Italy
- Average daylight in March: 11h and 54min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in March: 7h and 42min
The months with the most sunshine are July and August (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 5h and 18min).
Average sunshine days in March
Siena, Italy
- Average sunshine days in March: 17.4 days
The month with the most sunshine days is August (23.9 days).
The month with the least sunshine days is February (14.6 days).
Average UV index in March
Siena, Italy
- Average UV index in March: 4
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in March
Siena, Italy
- Average cloud cover in March: 38
The months with the most cloud cover are January, February and November (Cloud cover 44).
The month with the least cloud cover is August (Cloud cover 13).
Average visibility in March
Siena, Italy
- Average visibility in March: 9km
The months with the highest visibility are February, March, April, May, June, July, August, September and December (9km).
The months with the lowest visibility are January, October and November (8km).








