July weather forecast
Modesto, CA

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Weather in July

July is a very hot summer month in Modesto, California, with temperature in the range of an average high of 97.7°F (36.5°C) and an average low of 62.1°F (16.7°C).

Temperature

During the warmest month, July, temperatures average a high of 97.7°F (36.5°C) and a low of 62.1°F (16.7°C).

Humidity

The least humid month is July, with an average relative humidity of 37%.

Rainfall

The months with the least rainfall are July and August Rain falls for 1.3 days and accumulates 0.04" (1mm) of rain.

Daylight

The average length of the day in July in Modesto is 14h and 28min.
On the first day of July, sunrise is at 5:46 am and sunset at 8:29 pm. On the last day of the month, sunrise is at 6:07 am and sunset at 8:12 pm PDT.

Sunshine

With an average of 12.1h of sunshine, July has the most sunshine of the year in Modesto.

UV index

June through August, with an average maximum UV index of 7, are months with the highest UV index in Modesto, California. A UV Index of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for the average person.
Note: The UV index of 7 during July translates into the following guidance:
Steer clear of overexposure. Fair-skinned individuals can be scorched in less than 20 minutes. It's important to stay in the shade and limit exposure to the sun from 10 a.m. to 4 p.m., when UV radiation is most intense, although remember that shade structures may not provide full sun protection. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
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Frequently asked questions

What part of the year is the hottest in Modesto?

Modesto's temperatures peak on average in July, reaching 97.7°F (36.5°C) at their highest and 62.1°F (16.7°C) at their lowest.

How hot does it get in Modesto in July?

July temperatures vary between a high-temperature of 97.7°F (36.5°C) and a low-temperature of 62.1°F (16.7°C). The average heat index (a.k.a. 'felt air temperature', 'real feel'), which represents the influence of relative humidity on air temperature, in June is calculated to be 93.2°F (34°C).

What is the least humid month in Modesto?

The least humid month is July, with an average relative humidity of 37%.

What is the average humidity in July in Modesto?

In Modesto, California, the average relative humidity in July is 37%.

What is the driest month in Modesto?

The months with the least rainfall in Modesto, California, are July and August Rain falls for 1.3 days and accumulates 0.04" (1mm) of rain.

How many days does it rain in July in Modesto?

In Modesto, California, in July, it is raining for 1.3 days, with typically 0.04" (1mm) of accumulated precipitation.

What is the average length of the day in July in Modesto?

The average day length in July in Modesto, California, is 14h and 28min.

What time are sunrise and sunset in July in Modesto?

In July, on the first day of the month, sunrise is at 5:46 am and sunset at 8:29 pm. On the last day of the month, in Modesto, California, sunrise is at 6:07 am and sunset at 8:12 pm PDT.

What month has the most sunshine in Modesto?

With an average of 12.1h of sunshine, July has the most sunshine of the year in Modesto.

How long on average sun shines in July in Modesto?

In July, the average sunshine duration in Modesto, California, is 12.1h.

When is the highest UV index in Modesto?

The months with the highest UV index in Modesto are June through August, with an average maximum UV index of 7.

How high is the UV index in July in Modesto?

The average daily maximum UV index in July in Modesto, California, is 7. A UV Index value of 6 to 7 symbolizes a high health threat from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in July
Modesto, CA

Average temperature in July - Modesto, CA
  • Average high temperature in July: 97.7°F

The warmest month (with the highest average high temperature) is July (97.7°F).
The month with the lowest average high temperature is December (55.6°F).

  • Average low temperature in July: 62.1°F

The month with the highest average low temperature is July (62.1°F).
The coldest months (with the lowest average low temperature) are January and December (41.9°F).

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Average pressure in July
Modesto, CA

Average pressure in July - Modesto, CA
  • Average pressure in July: 29.93"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).

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Average wind speed in July
Modesto, CA

Average wind speed in July - Modesto, CA
  • Average wind speed in July: 6.9mph

The windiest month (with the highest average wind speed) is June (7.3mph).
The calmest month (with the lowest average wind speed) is November (5.2mph).

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Average humidity in July
Modesto, CA

Average humidity in July - Modesto, CA
  • Average humidity in July: 37%

The month with the highest relative humidity is January (72%).
The month with the lowest relative humidity is July (37%).

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Average rainfall in July
Modesto, CA

Average rainfall in July - Modesto, CA
  • Average rainfall in July: 0.04"

The wettest month (with the highest rainfall) is March (1.3").
The driest months (with the least rainfall) are July and August (0.04").

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Average rainfall days in July
Modesto, CA

Average rainfall days in July - Modesto, CA
  • Average rainfall days in July: 1.3 days

The month with the highest number of rainy days is March (10.3 days).
The month with the least rainy days is August (0.9 days).

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

Average daylight in July / Average sunshine in July - Modesto, CA
  • Average daylight in July: 14h and 3min

The month with the longest days is June (Average daylight: 14h and 42min).
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: 6h and 0min).

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Average sunshine days in July
Modesto, CA

Average sunshine days in July - Modesto, CA
  • Average sunshine days in July: 28.3 days

The month with the most sunshine days is August (29.2 days).
The month with the least sunshine days is March (19.6 days).

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Average UV index in July
Modesto, CA

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

The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).

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Average cloud cover in July
Modesto, CA

Average cloud cover in July - Modesto, CA
  • Average cloud cover in July: 4

The month with the most cloud cover is March (Cloud cover 33).
The month with the least cloud cover is July (Cloud cover 4).

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Average visibility in July
Modesto, CA

Average visibility in July - Modesto, 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).

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Modesto, California, USA

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