July weather forecast and climate
Modesto, CA

Weather in July

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

Temperature

July is the warmest month, with an average high-temperature of 97.7°F (36.5°C) and an average low-temperature of 62.1°F (16.7°C).

Humidity

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

Rainfall

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

Daylight

In July, the average length of the day is 14.5h.

Sunshine

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

UV index

Months with the highest UV index in Modesto are June through August, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health risk from the exposure to the Sun's UV rays for average individuals.
Note: The average daily UV index of 7 transform into the following instructions:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. 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. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

What is the warmest month in Modesto?

The warmest month is July, with an average high-temperature of 97.7°F (36.5°C) and an average low-temperature of 62.1°F (16.7°C).

What is the temperature in July in Modesto?

The average high-temperature, in July, in Modesto, is 97.7°F (36.5°C), while the average low-temperature is 62.1°F (16.7°C).

What is the least humid month in Modesto?

July is the least humid month in Modesto, with an average relative humidity of 37%.

What is the average humidity in July in Modesto?

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

How many days does it rain in July in Modesto?

In Modesto, in July, during 1.3 rainfall days, 0.04" (1mm) of precipitation is typically accumulated.

What is the driest month in Modesto?

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 hours of daylight does Modesto have in July?

In Modesto, the average length of the day in July is 14.5h.

What month has the most sunshine in Modesto?

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

How long on average sun shines in July in Modesto?

The average sunshine in July is 12.1h.

What are the months with the highest UV index in Modesto?

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

What is the UV index reading in July in Modesto?

In July, the average daily maximum UV index is 7. A UV Index value of 6 to 7 symbolizes a high health vulnerability from the exposure to the Sun's UV radiation.

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"

The month with the highest atmospheric pressure is January (30.15").
The month with the lowest atmospheric pressure is June (29.91").

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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: 14.5h

The month with the longest days is June (Average daylight: 14.7h).
The month with the shortest days is December (Average daylight: 9.6h).

  • Average sunshine in July: 12.1h

The month with the most sunshine is July (Average sunshine: 12.1h).
The month with the least sunshine is December (Average sunshine: 6h).

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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

Months with the highest UV index are June, July and August (UV index 7).
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

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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