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 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
Thornton experiences its highest average temperatures in July, reaching a peak of 93.9°F (34.4°C) and a minimum of 58.6°F (14.8°C).Heat index
July's heat index is estimated at a torrid 100.4°F (38°C). Incorporate additional preventive steps, heat exhaustion and heat cramps are possible. Long-lasting activity may cause heatstroke.It is emphasized that the heat index's values are meant for shaded zones with mild winds. Exposing to direct sunshine may enhance heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is an indicator that blends the effects of temperature and humidity to depict perceived warmth. This impact is subjective, influenced by the person's physical activity and individual heat perception, affected by factors including wind, attire, and metabolic differences. 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 are essentially critical for children. Children frequently underestimate the importance of resting and drinking fluids. Thirst is a symptom of advanced dehydration - hence the need to hydrate regularly, especially during protracted physical exercises.
The natural cooling mechanism in humans involves perspiration, where the evaporation of sweat balances out excessive warmth. Under conditions of high temperature and humidity (enhanced heat index), sweat production is compromised, exacerbating the sensation of warmth. If heat absorption exceeds the body's cooling ability, body temperature can elevate, resulting in potential thermal illnesses.
Humidity
July is the least humid month, with an average relative humidity of 45%.Rainfall
July and August are months with the least rain when the rain falls for 1.4 days and typically aggregates up to 0.04" (1mm) of rain.Snowfall
January through November are months without snowfall.Daylight
In July, the average length of the day is 14h and 31min.On the first day of July, sunrise is at 5:46 am and sunset at 8:32 pm. On the last day of the month, sunrise is at 6:08 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
In Thornton, the average daily maximum UV index in July is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum daily UV index of 6 in July interprets into the following recommendations:
Stand by precautions and apply sun safety measures. Evading sunburn is of great importance. Avoid exposure to the Sun and try to stay in the shade between 10 a.m. and 4 p.m., when UV radiation is most potent, but be aware that parasols or canopies may not offer full protection. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What time of the year is the hottest?
How hot does it get in July?
What is the least humid month?
What is the average humidity in July?
What is the driest month?
How many days does it rain in July?
When it does not snow in Thornton?
What is the average length of the day in July?
When are sunrise and sunset in July in Thornton?
What month has the most sunshine?
How many hours of sunshine does Thornton have in July?
How high is the UV index in July?
Average temperature in July
Thornton, CA
- Average high temperature in July: 93.9°F
The warmest month (with the highest average high temperature) is July (93.9°F).
The month with the lowest average high temperature is December (55°F).
- Average low temperature in July: 58.6°F
The month with the highest average low temperature is August (58.8°F).
The coldest month (with the lowest average low temperature) is December (41°F).
Average pressure in July
Thornton, 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
Thornton, CA
- Average wind speed in July: 5.6mph
The windiest months (with the highest average wind speed) are February and June (5.8mph).
The calmest month (with the lowest average wind speed) is November (4.4mph).
Average humidity in July
Thornton, CA
- Average humidity in July: 45%
The month with the highest relative humidity is March (75%).
The month with the lowest relative humidity is July (45%).
Average rainfall in July
Thornton, CA
- Average rainfall in July: 0.04"
The wettest month (with the highest rainfall) is February (2.4").
The driest months (with the least rainfall) are July and August (0.04").
Average rainfall days in July
Thornton, CA
- Average rainfall days in July: 1.4 days
The month with the highest number of rainy days is March (12.4 days).
The month with the least rainy days is June (0.9 days).
Average snowfall days in July
Thornton, 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
Thornton, CA
- Average daylight in July: 14h and 3min
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 36min).
- Average sunshine in July: 12h and 1min
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 54min).
Average sunshine days in July
Thornton, CA
- Average sunshine days in July: 28.9 days
The month with the most sunshine days is August (29.3 days).
The month with the least sunshine days is March (17.8 days).
Average UV index in July
Thornton, CA
- Average UV index in July: 6
The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in July
Thornton, CA
- Average cloud cover in July: 4
The month with the most cloud cover is March (Cloud cover 35).
The month with the least cloud cover is July (Cloud cover 4).
Average visibility in July
Thornton, 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).
Thornton, California, USA
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