July weather forecast
Winchester, CA

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Weather in July

July is a tropical summer month in Winchester, California, with an average temperature varying between 88.2°F (31.2°C) and 61.9°F (16.6°C).

Temperature

Winchester starts July with an average high-temperature of a tropical 88.2°F (31.2°C), a minor shift from June's 82.9°F (28.3°C). In Winchester, July nights witness a remarkable decline from the day's zenith to a comfortable 61.9°F (16.6°C).

Heat index

During July, the heat index is estimated at a tropical 91.4°F (33°C). Additional precautions are required to avert heat cramps and heat exhaustion. Persistent activity may culminate in heatstroke.
Be advised, the heat index considers values for conditions in shade and with a light breeze. If directly exposed to the sun, the heat index could rise by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is an estimation of the warmth sensation when considering humidity levels. The perception of temperature can be subjective, varying based on activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. Given the impact of direct sunlight, it's noteworthy that the felt temperature can rise by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Kids often lack the knowledge about the necessity to take breaks and consume liquids. Thirst, as a late symptom of dehydration, necessitates the maintenance of hydration, particularly during enduring physical activities.

Humidity

In July, the average relative humidity is 50%.

Rainfall

In Winchester, in July, during 5 rainfall days, 0.43" (11mm) of precipitation is typically accumulated. In Winchester, during the entire year, the rain falls for 55.7 days and collects up to 7.05" (179mm) of precipitation.

Snowfall

In Winchester, snow does not fall in January, March through December.

Daylight

In Winchester, the average length of the day in July is 14h and 8min.
On the first day of July, sunrise is at 5:41 am and sunset at 8:02 pm. On the last day of the month, sunrise is at 6:00 am and sunset at 7:49 pm PDT.

Sunshine

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

UV index

With an average maximum UV index of 7, July is the month with the highest UV index. A UV Index estimate of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for average individuals.
Note: A daily high UV index of 7 in July leads to these guidelines:
Exercise precautions and adapt sun safety practices. Defence against skin and eye affliction is paramount. 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. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.

Frequently asked questions

How hot does it get in July?

The high-temperature during July is 88.2°F (31.2°C) and the low-temperature is 61.9°F (16.6°C). In July, the average heat index (a.k.a. 'real feel', 'feels like'), which combines relative humidity and air temperature, is estimated at 91.4°F (33°C).

What is the average humidity in July?

In July, the average relative humidity is 50%.

How much does it rain in Winchester in July?

In July, the rain falls for 5 days. Throughout July, 0.43" (11mm) of precipitation is accumulated.

When it does not snow?

January, March through December are months without snowfall.

How many hours of daylight does Winchester have in July?

In Winchester, the average day length in July is 14h and 8min.

What time are sunrise and sunset in July?

On the first day of July in Winchester, sunrise is at 5:41 am and sunset at 8:02 pm. On the last day of the month, sunrise is at 6:00 am and sunset at 7:49 pm PDT.

What month has the most sunshine?

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

How long on average sun shines in July in Winchester?

In July, the average sunshine duration is 12.1h.

What is the month with the highest UV index?

With an average maximum UV index of 7, July is the month with the highest UV index.

What is the UV index reading in July?

In Winchester, the average daily maximum UV index in July is 7. A UV Index reading of 6 to 7 represents a high health threat from exposure to Sun's UV rays.
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
Winchester, CA

Average temperature in July - Winchester, CA
  • Average high temperature in July: 88.2°F

The warmest month (with the highest average high temperature) is August (89.6°F).
The month with the lowest average high temperature is December (61°F).

  • Average low temperature in July: 61.9°F

The month with the highest average low temperature is August (63.3°F).
The coldest month (with the lowest average low temperature) is December (43°F).

Average pressure in July
Winchester, CA

Average pressure in July - Winchester, CA
  • Average pressure in July: 29.88"Hg

The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).

Average wind speed in July
Winchester, CA

Average wind speed in July - Winchester, CA
  • Average wind speed in July: 4.5mph

The windiest month (with the highest average wind speed) is April (5.5mph).
The calmest months (with the lowest average wind speed) are August and September (4.2mph).

Average humidity in July
Winchester, CA

Average humidity in July - Winchester, CA
  • Average humidity in July: 50%

The month with the highest relative humidity is May (60%).
The month with the lowest relative humidity is August (47%).

Average rainfall in July
Winchester, CA

Average rainfall in July - Winchester, CA
  • Average rainfall in July: 0.43"

The wettest month (with the highest rainfall) is December (1.38").
The driest month (with the least rainfall) is June (0.04").

Average rainfall days in July
Winchester, CA

Average rainfall days in July - Winchester, CA
  • Average rainfall days in July: 5 days

The month with the highest number of rainy days is March (7.2 days).
The month with the least rainy days is June (1.3 days).

Average snowfall in July
Winchester, CA

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

The month with the highest snowfall is February (0.04").
The months with the least snowfall are January, March, April, May, June, July, August, September, October, November and December (0").

Average snowfall days in July
Winchester, CA

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

The month with the highest number of snowfall days is February (0.2 days).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October, November and December (0 days).

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

Average daylight in July / Average sunshine in July - Winchester, CA
  • Average daylight in July: 14h and 1min

The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 10h and 0min).

  • 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: 6h and 42min).

Average sunshine days in July
Winchester, CA

Average sunshine days in July - Winchester, CA
  • Average sunshine days in July: 21.9 days

The month with the most sunshine days is June (26.9 days).
The month with the least sunshine days is February (21.6 days).

Average UV index in July
Winchester, CA

Average UV index in July - Winchester, CA
  • Average UV index in July: 7

The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is December (UV index 3).

Average cloud cover in July
Winchester, CA

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

The months with the most cloud cover are March and December (Cloud cover 24).
The month with the least cloud cover is August (Cloud cover 5).

Average visibility in July
Winchester, CA

Average visibility in July - Winchester, 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).

Winchester, California, USA

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