July weather forecast
Vista, CA

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Weather in July

July, like June, in Vista, California, is a moderately hot summer month, with an average temperature fluctuating between 79.3°F (26.3°C) and 62.2°F (16.8°C).

Temperature

The onset of July brings with it an average high-temperature of a still warm 79.3°F (26.3°C), showing a negligible variation from the month before. July nights are marked by an average temperature drop to a refreshing 62.2°F (16.8°C).

Humidity

The average relative humidity in July is 67%.

Rainfall

In Vista, in July, it is raining for 5.1 days, with typically 0.47" (12mm) of accumulated precipitation. Throughout the year, there are 62.9 rainfall days, and 9.17" (233mm) of precipitation is accumulated.

Daylight

The average length of the day in July is 14h and 5min.
On the first day of the month, sunrise is at 5:43 am and sunset at 8:02 pm. On the last day of July, sunrise is at 6:01 am and sunset at 7:48 pm PDT.

Sunshine

The months with the most sunshine are July and August, with an average of 12h of sunshine.

UV index

June through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: An average UV index of 6 in July transforms into this advice:
Persist in precautions and follow sun safety policies. Keeping sunburn at bay is imperative. Limit your exposure to the sun's UV radiation, which is strongest between 10 a.m. and 4 p.m., and note that parasols or canopies may not provide full sun protection. To cut down UV radiation exposure by about half, sport a wide-brim hat.

Frequently asked questions

What is the temperature in July?

July temperatures vary between a high-temperature of 79.3°F (26.3°C) and a low-temperature of 62.2°F (16.8°C).

What is the average humidity in July?

In Vista, the average relative humidity in July is 67%.

How many days does it rain in July?

In Vista, in July, it is raining for 5.1 days, with typically 0.47" (12mm) of accumulated precipitation.

What is the average length of the day in July?

In Vista, the average day length in July is 14h and 5min.

What time are sunrise and sunset in July?

In July, on the first day of the month, sunrise is at 5:43 am and sunset at 8:02 pm. On the last day of the month, sunrise is at 6:01 am and sunset at 7:48 pm PDT.

What is the month with the most sunshine?

July and August, with an average of 12h of sunshine, are months with the most sunshine.

How long on average sun shines in July?

The average sunshine duration in July is 12h.

What is the month with the highest UV index in Vista?

June through August, with an average maximum UV index of 6, are months with the highest UV index.

What is the UV index intensity in July?

In Vista, the average daily maximum UV index in July is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in July
Vista, CA

Average temperature in July - Vista, CA
  • Average high temperature in July: 79.3°F

The warmest month (with the highest average high temperature) is August (81.1°F).
The month with the lowest average high temperature is December (62.6°F).

  • Average low temperature in July: 62.2°F

The month with the highest average low temperature is August (63.9°F).
The coldest month (with the lowest average low temperature) is February (48.4°F).

Average pressure in July
Vista, CA

Average pressure in July - Vista, CA
  • Average pressure in July: 29.9"Hg

The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).

Average wind speed in July
Vista, CA

Average wind speed in July - Vista, CA
  • Average wind speed in July: 4.9mph

The windiest month (with the highest average wind speed) is April (5.8mph).
The calmest month (with the lowest average wind speed) is October (4.5mph).

Average humidity in July
Vista, CA

Average humidity in July - Vista, CA
  • Average humidity in July: 67%

The month with the highest relative humidity is May (70%).
The month with the lowest relative humidity is November (57%).

Average rainfall in July
Vista, CA

Average rainfall in July - Vista, CA
  • Average rainfall in July: 0.47"

The wettest month (with the highest rainfall) is December (1.85").
The driest month (with the least rainfall) is June (0.08").

Average rainfall days in July
Vista, CA

Average rainfall days in July - Vista, CA
  • Average rainfall days in July: 5.1 days

The month with the highest number of rainy days is March (8.3 days).
The month with the least rainy days is June (1.6 days).

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

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

The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).

  • Average sunshine in July: 12h and 0min

The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).

Average sunshine days in July
Vista, CA

Average sunshine days in July - Vista, CA
  • Average sunshine days in July: 21.1 days

The month with the most sunshine days is October (24.6 days).
The month with the least sunshine days is February (19.7 days).

Average UV index in July
Vista, CA

Average UV index in July - Vista, CA
  • Average UV index in July: 6

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 4).

Average cloud cover in July
Vista, CA

Average cloud cover in July - Vista, CA
  • Average cloud cover in July: 10

The months with the most cloud cover are March and December (Cloud cover 23).
The month with the least cloud cover is August (Cloud cover 7).

Average visibility in July
Vista, CA

Average visibility in July - Vista, 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).

Vista, California, USA

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