July weather forecastWilton, CA
July
Weather in July
July, like June, is another tropical summer month in Wilton, California, with temperature in the range of an average high of 94.3°F (34.6°C) and an average low of 58.8°F (14.9°C).Temperature
In Wilton, July is the warmest month, with temperatures averaging a high of 94.3°F (34.6°C) and a low of 58.8°F (14.9°C).Heat index
July's heat index is computed to be a very hot 100.4°F (38°C). Adopt special protective actions against heat exhaustion and heat cramps. Long-duration activity risks heatstroke.Heat index guidelines indicate values are for light wind scenarios and shaded regions. The heat index may experience an enhancement of 15 Fahrenheit (8 Celsius) degrees under direct sunlight.
Note: The heat index, also known as 'real feel' or 'felt air temperature', offers an insight into how hot it feels when we factor in moisture content. The individual's experience of temperature can be shaped by numerous aspects such as metabolic variations, physical exertion, and attire. Recognize that direct exposure to the sun can escalate the heat effect, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values remain especially vital for babies and toddlers. Children usually face more risks than adults as their ability to sweat is less. Additionally, their larger skin surface in relation to their petite bodies and higher heat output due to their activities increases their vulnerability.
When the body gets too warm, it perspires, leading to sweat evaporation which cools it down. In the presence of abundant moisture in the atmosphere, the cooling process through evaporation is hindered, causing the body to feel excessively warm. Potential thermal conditions emerge as the body's heat gain outpaces its cooling mechanisms.
Humidity
The average relative humidity in July in Wilton is 45%.Rainfall
July and August are months with the least rain in Wilton, California, when the rain falls for 1.4 days and typically aggregates up to 0.04" (1mm) of rain.Snowfall
In Wilton, snow does not fall in January through November.Daylight
In Wilton, the average length of the day in July is 14h and 32min.On the first day of the month, sunrise is at 5:45 am and sunset at 8:32 pm. On the last day of July, in Wilton, sunrise is at 6:07 am and sunset at 8:15 pm PDT.
Sunshine
July has the most sunshine of the year, with an average of 12.1h of sunshine.UV index
June and July, with an average maximum UV index of 7, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum daily UV index of 7 during July translates into the following directions:
Enforce precautions and stick to sun safety measures. Preservation from skin and eye damage is essential. Remember that UV radiation from the Sun is strongest between 10 a.m. and 4 p.m. Make an effort to limit direct sun exposure during this time. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Wilton, CA
- Average high temperature in July: 94.3°F
The warmest month (with the highest average high temperature) is July (94.3°F).
The month with the lowest average high temperature is December (54.7°F).
- Average low temperature in July: 58.8°F
The month with the highest average low temperature is August (59.2°F).
The coldest months (with the lowest average low temperature) are January and December (40.8°F).
Average pressure in July
Wilton, CA
- Average pressure in July: 29.92"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in July
Wilton, CA
- Average wind speed in July: 4.8mph
The windiest month (with the highest average wind speed) is February (5.7mph).
The calmest month (with the lowest average wind speed) is September (4.1mph).
Average humidity in July
Wilton, CA
- Average humidity in July: 45%
The month with the highest relative humidity is March (75%).
The month with the lowest relative humidity is September (44%).
Average rainfall in July
Wilton, CA
- Average rainfall in July: 0.04"
The wettest month (with the highest rainfall) is March (2.91").
The driest months (with the least rainfall) are July and August (0.04").
Average rainfall days in July
Wilton, CA
- Average rainfall days in July: 1.4 days
The month with the highest number of rainy days is March (13.3 days).
The months with the least rainy days are June, July and August (1.4 days).
Average snowfall days in July
Wilton, CA
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is December (0.1 days).
The months with the least snowfall days are January, February, March, April, May, June, July, August, September, October and November (0 days).
Average daylight in July /
Average sunshine in July
Wilton, CA
- Average daylight in July: 14h and 30min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in July: 12h and 6min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 48min).
Average sunshine days in July
Wilton, CA
- Average sunshine days in July: 29.1 days
The month with the most sunshine days is July (29.1 days).
The month with the least sunshine days is March (16.9 days).
Average UV index in July
Wilton, CA
- Average UV index in July: 7
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in July
Wilton, CA
- Average cloud cover in July: 4
The month with the most cloud cover is March (Cloud cover 37).
The month with the least cloud cover is July (Cloud cover 4).
Average visibility in July
Wilton, CA
- Average visibility in July: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
