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
With average temperatures fluctuating between a high of 84.6°F (29.2°C) and a low of 51.1°F (10.6°C), July stands out as the warmest month.Heat index
In July, the heat index is computed to be a tropical 86°F (30°C). If one sustains activity during exposure, it could lead to a sense of fatigue, with a chance of heat cramps.Know that the heat index computations account for shaded terrains and slight winds. Direct sunlight might cause an increase of up to 15 Fahrenheit (8 Celsius) degrees in the heat index.
Note: The heat index, also known as 'real feel' or 'apparent temperature', combines air temperature and relative humidity to represent a human perceived temperature equivalent. The influence of weather is personal, differing among a variety of individuals based on differences in body mass, stature, and the level of physical activity. Direct exposure to sun rays can potentially augment the heat sensation, elevating the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it's vital to remain hydrated, particularly during prolonged physical activities.
Humidity
In July, the average relative humidity in Callahan is 47%.Rainfall
July and August are months with the least rain in Callahan when the rain falls for 4.3 days and typically aggregates up to 0.31" (8mm) of rain.Snowfall
In Callahan, snow does not fall in June through August.Daylight
In Callahan, the average length of the day in July is 14h and 49min.On the first day of July, sunrise is at 5:42 am and sunset at 8:48 pm. On the last day of the month, sunrise is at 6:06 am and sunset at 8:28 pm PDT.
Sunshine
July has the most sunshine of the year in Callahan, with an average of 12.1h of sunshine.UV index
The months with the highest UV index are June and July, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for the ordinary person.Note: In July, an average UV index of 6 transforms into the following instructions:
Follow precautions and abide by sun safety rules. Deterrence of sunburn is imperative. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What part of the year is the hottest in Callahan?
How hot does it get in Callahan in July?
What is the average humidity in July in Callahan?
What is the driest month in Callahan?
How much does it rain in Callahan in July?
When it does not snow in Callahan?
How many hours of daylight does Callahan have in July?
When is the sunrise / sunset in July in Callahan?
What month has the most sunshine in Callahan?
How many hours of sunshine does Callahan have in July?
What is the month with the highest UV index in Callahan?
What is the UV index intensity in July in Callahan?
Average temperature in July
Callahan, CA
- Average high temperature in July: 84.6°F
The warmest month (with the highest average high temperature) is July (84.6°F).
The month with the lowest average high temperature is December (41°F).
- Average low temperature in July: 51.1°F
The month with the highest average low temperature is July (51.1°F).
The coldest month (with the lowest average low temperature) is December (27.1°F).
Average pressure in July
Callahan, CA
- Average pressure in July: 29.95"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is August (29.94"Hg).
Average wind speed in July
Callahan, CA
- Average wind speed in July: 4mph
The windiest month (with the highest average wind speed) is March (5.8mph).
The calmest month (with the lowest average wind speed) is August (3.9mph).
Average humidity in July
Callahan, CA
- Average humidity in July: 47%
The month with the highest relative humidity is March (81%).
The month with the lowest relative humidity is August (45%).
Average rainfall in July
Callahan, CA
- Average rainfall in July: 0.31"
The wettest month (with the highest rainfall) is March (4.17").
The driest months (with the least rainfall) are July and August (0.31").
Average rainfall days in July
Callahan, CA
- Average rainfall days in July: 4.3 days
The month with the highest number of rainy days is March (14.6 days).
The month with the least rainy days is August (3.1 days).
Average snowfall in July
Callahan, CA
- Average snowfall in July: 0"
The month with the highest snowfall is March (14.02").
The months with the least snowfall are June, July and August (0").
Average snowfall days in July
Callahan, CA
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is March (11.2 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in July /
Average sunshine in July
Callahan, CA
- Average daylight in July: 14h and 5min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- 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 24min).
Average sunshine days in July
Callahan, CA
- Average sunshine days in July: 23.4 days
The month with the most sunshine days is August (24.1 days).
The month with the least sunshine days is March (10.9 days).
Average UV index in July
Callahan, CA
- Average UV index in July: 6
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in July
Callahan, CA
- Average cloud cover in July: 8
The month with the most cloud cover is March (Cloud cover 44).
The month with the least cloud cover is August (Cloud cover 7).
Average visibility in July
Callahan, CA
- Average visibility in July: 6mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March and December (5mi).
Callahan, California, USA
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