Contents
- Weather in July
- Frequently asked questions
- Average temperature in July
- Average pressure in July
- Average wind speed in July
- Average humidity in July
- Average rainfall in July
- Average rainfall days in July
- Average snowfall in July
- Average snowfall days in July
- Average daylight in July
- Average sunshine in July
- Average sunshine days in July
- Average UV index in July
- Average cloud cover in July
- Average visibility in July
Weather in July
Temperature
A slight uplift in the average high-temperature marks July, adjusting from June's warm 25.4°C (77.7°F) to a still moderately hot 29.7°C (85.5°F). Despite a significant daily temperature range, Siena's temperature falls to a steady low-temperature average of 15.5°C (59.9°F) in July.Heat index
The average heat index in July is calculated to be a hot 33°C (91.4°F). Adopt enhanced safety measures, heat exhaustion and heat cramps could occur. Continuous activity may induce heatstroke.Evaluating the heat index requires understanding its values in the shade and with gentle winds. A direct sunlight exposure may boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', ties air temperature with relative humidity to produce the perceived temperature sensation. The impact of temperature is individual, as people's perception of weather may change based on their body mass, height, and physical activity. Understand that direct sun rays can influence the weather's impact, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Children often overlook the need for breaks and fluid intake. Thirst is a late-stage sign of dehydration - hence, it is necessary to stay hydrated, especially during extended periods of physical activities.
Humidity
In July, the average relative humidity is 65%.Rainfall
In Siena, in July, it is raining for 6.1 days, with typically 17mm (0.67") 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
April through November are months without snowfall in Siena.Daylight
In Siena, the average length of the day in July is 15h and 1min.On the first day of July, sunrise is at 05:38 and sunset at 20:58. On the last day of the month, sunrise is at 06:04 and sunset at 20:37 CEST.
Sunshine
July and August, with an average of 11.9h of sunshine, are months with the most sunshine in Siena.UV index
June through August, with an average maximum UV index of 6, are months with the highest UV index in Siena, Italy. A UV Index reading of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: A daily maximum UV index of 6 in July translates into the following instructions:
Refrain from overexposure. Fair-skinned individuals could burn in under 20 minutes. Make an effort to avoid direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation, and note that objects like parasols or canopies might not offer full sun protection. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Frequently asked questions
How hot does it get in Siena in July?
What is the average humidity in July in Siena?
How much does it rain in Siena in July?
When it does not snow in Siena?
How many hours of daylight does Siena have in July?
When are sunrise and sunset in July in Siena?
What is the month with the most sunshine in Siena?
How many hours of sunshine does Siena have in July?
What is the month with the highest UV index in Siena?
What is the UV index reading in July in Siena?
Average temperature in July
Siena, Italy
- Average high temperature in July: 29.7°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 July: 15.5°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 July
Siena, Italy
- Average pressure in July: 1013.5mbar
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 July
Siena, Italy
- Average wind speed in July: 7.3km/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 July
Siena, Italy
- Average humidity in July: 65%
The month with the highest relative humidity is November (85%).
The month with the lowest relative humidity is August (63%).
Average rainfall in July
Siena, Italy
- Average rainfall in July: 17mm
The wettest month (with the highest rainfall) is November (50mm).
The driest month (with the least rainfall) is August (14mm).
Average rainfall days in July
Siena, Italy
- Average rainfall days in July: 6.1 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 July
Siena, Italy
- Average snowfall in July: 0mm
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 July
Siena, Italy
- Average snowfall days in July: 0 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 July /
Average sunshine in July
Siena, Italy
- Average daylight in July: 15h and 0min
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 July: 11h and 5min
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 July
Siena, Italy
- Average sunshine days in July: 23.3 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 July
Siena, Italy
- Average UV index in July: 6
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 July
Siena, Italy
- Average cloud cover in July: 14
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 July
Siena, Italy
- Average visibility in July: 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).
Siena, Italy
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