July weather forecast
Castella, CA

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Weather in July

July, the same as June, is another warm summer month in Castella, California, with an average temperature varying between 51.4°F (10.8°C) and 85.6°F (29.8°C).

Temperature

The average temperatures reach their apex in July, averaging 85.6°F (29.8°C) at the high end and 51.4°F (10.8°C) at the low end.

Heat index

July's average heat index is appraised at a hot 86°F (30°C). Prolonged activity during exposure might result in a state of fatigue and cause heat cramps.
Take into consideration that the heat index values are calculated for shade and light wind conditions. 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 'felt air temperature' or 'feels like', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. Elements such as metabolic variations, pregnancy, and physical exertion can influence one's weather perception. Be mindful that being in direct sunlight might mean feeling hotter, with the heat index rising by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Young children are more at risk than adults since they tend to sweat less. Moreover, their large skin surface in proportion to their small bodies and the high heat production due to their activities contribute to their vulnerability.

Humidity

In July, the average relative humidity is 45%.

Rainfall

July is the month with the least rainfall. Rain falls for 3.4 days and accumulates 0.24" (6mm) of precipitation.

Snowfall

In Castella, snow does not fall in June through September.

Daylight

In July, the average length of the day in Castella is 14h and 47min.
On the first day of the month, sunrise is at 5:40 am and sunset at 8:45 pm. On the last day of July, in Castella, California, sunrise is at 6:04 am and sunset at 8:26 pm PDT.

Sunshine

The month with the most sunshine is July, with an average of 12.1h of sunshine.

UV index

The months with the highest UV index in Castella are June and July, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for average individuals.
Note: The daily high UV index of 6 during July translates into the following recommendations:
Continue precautions and advocate sun safety advice. Deterrence of sunburn is indispensable. 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. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Resources | Updated: Feb 9, 2024 | Published by: Weather U.S.

Frequently asked questions

What is the warmest month in Castella?

The highest temperatures in Castella are recorded in July, with averages reaching a high of 85.6°F (29.8°C) and a low of 51.4°F (10.8°C).

Is it hot in Castella during July?

An average high-temperature, in July, in Castella, is 85.6°F (29.8°C) and the average low-temperature is 51.4°F (10.8°C). The average heat index (a.k.a. 'feels like', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, in July is appraised at 86°F (30°C).

What is the average humidity in July in Castella?

The average relative humidity in July is 45%.

What is the driest month in Castella?

The month with the least rainfall in Castella is July, when the rain falls for 3.4 days and typically collects 0.24" (6mm) of precipitation.

How much does it rain in Castella in July?

In Castella, in July, during 3.4 rainfall days, 0.24" (6mm) of precipitation is typically accumulated.

When it does not snow in Castella?

June through September are months without snowfall in Castella.

How many hours of daylight does Castella have in July?

In July, the average day length is 14h and 47min.

When are sunrise and sunset in July in Castella?

On the first day of July, sunrise is at 5:40 am and sunset at 8:45 pm. On the last day of the month, sunrise is at 6:04 am and sunset at 8:26 pm PDT.

What month has the most sunshine in Castella?

July has the most sunshine of the year, with an average of 12.1h of sunshine.

How long on average sun shines in July in Castella?

The average sunshine duration in July is 12.1h.

When is the highest UV index in Castella?

The months with the highest UV index in Castella, California, are June and July, with an average maximum UV index of 6.

How high is the UV index in July in Castella?

The average daily maximum UV index in July in Castella, California, is 6. A UV Index value of 6 to 7 symbolizes a high hazard to health from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in July
Castella, CA

Average temperature in July - Castella, CA
  • Average high temperature in July: 85.6°F

The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is December (41°F).

  • Average low temperature in July: 51.4°F

The months with the highest average low temperature are July and August (51.4°F).
The coldest month (with the lowest average low temperature) is December (26.8°F).

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Average pressure in July
Castella, CA

Average pressure in July - Castella, CA
  • Average pressure in July: 29.94"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is August (29.93"Hg).

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Average wind speed in July
Castella, CA

Average wind speed in July - Castella, CA
  • Average wind speed in July: 4.3mph

The windiest month (with the highest average wind speed) is March (5.7mph).
The calmest month (with the lowest average wind speed) is August (4.1mph).

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Average humidity in July
Castella, CA

Average humidity in July - Castella, CA
  • Average humidity in July: 45%

The month with the highest relative humidity is March (81%).
The month with the lowest relative humidity is August (44%).

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Average rainfall in July
Castella, CA

Average rainfall in July - Castella, CA
  • Average rainfall in July: 0.24"

The wettest month (with the highest rainfall) is March (5.55").
The driest month (with the least rainfall) is July (0.24").

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Average rainfall days in July
Castella, CA

Average rainfall days in July - Castella, CA
  • Average rainfall days in July: 3.4 days

The month with the highest number of rainy days is March (17.3 days).
The month with the least rainy days is August (2.7 days).

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Average snowfall in July
Castella, CA

Average snowfall in July - Castella, CA
  • Average snowfall in July: 0"

The month with the highest snowfall is January (12.6").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in July
Castella, CA

Average snowfall days in July - Castella, CA
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is December (6.4 days).
The months with the least snowfall days are June, July and August (0 days).

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Average daylight in July /
Average sunshine in July
Castella, CA

Average daylight in July / Average sunshine in July - Castella, 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 12min).

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Average sunshine days in July
Castella, CA

Average sunshine days in July - Castella, CA
  • Average sunshine days in July: 24.6 days

The month with the most sunshine days is August (25.7 days).
The month with the least sunshine days is March (11.1 days).

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Average UV index in July
Castella, CA

Average UV index in July - Castella, 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, March, November and December (UV index 2).

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Average cloud cover in July
Castella, CA

Average cloud cover in July - Castella, CA
  • Average cloud cover in July: 7

The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 6).

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Average visibility in July
Castella, CA

Average visibility in July - Castella, 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).

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Castella, California, USA

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