July weather forecast
Grimes, CA

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Weather in July

July in Grimes, California, is a fiery hot summer month, with an average temperature fluctuating between 62.1°F (16.7°C) and 97.2°F (36.2°C).

Temperature

July, marked by an average high-temperature of 97.2°F (36.2°C) and a low-temperature of 62.1°F (16.7°C), is the warmest month.

Humidity

The months with the lowest humidity in Grimes are July and September, with an average relative humidity of 38%.

Rainfall

The months with the least rainfall are July and August Rain falls for 0.9 days and accumulates 0.04" (1mm) of rain.

Daylight

In July, the average length of the day is 14h and 35min.
On the first day of July in Grimes, California, sunrise is at 5:45 am and sunset at 8:37 pm. On the last day of the month, sunrise is at 6:08 am and sunset at 8:19 pm PDT.

Sunshine

The month with the most sunshine in Grimes is July, with an average of 12.2h of sunshine.

UV index

June and July, with an average maximum UV index of 7, 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 ordinary individuals.
Note: In July, the UV index of 7 transforms into the following advice:
Sustain precautions and conform to sun safety norms. Preventing sunburn is necessary. Stay in the shade and limit sun exposure from 10 a.m. to 4 p.m., when UV radiation is most potent. Keep in mind that shade structures like parasols or canopies do not offer full protection. Enhance your sun protection with tightly woven, yet airy clothing.
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Frequently asked questions

What is the hottest time of year in Grimes?

The warmest time of the year is July, with temperatures averaging a high of 97.2°F (36.2°C) and a low of 62.1°F (16.7°C).

How hot is it in Grimes in July?

In July, in Grimes, the average high-temperature is 97.2°F (36.2°C), and the average low-temperature is 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 computed to be 91.4°F (33°C).

What is the least humid month in Grimes?

The months with the lowest humidity in Grimes, California, are July and September, with an average relative humidity of 38%.

What is the average humidity in July in Grimes?

In Grimes, the average relative humidity in July is 38%.

What is the driest month in Grimes?

July and August are months with the least rain in Grimes, California, when the rain falls for 0.9 days and typically aggregates up to 0.04" (1mm) of rain.

How much does it rain in Grimes in July?

In Grimes, California, during July, the rain falls for 0.9 days and regularly aggregates up to 0.04" (1mm) of precipitation.

How many hours of daylight does Grimes have in July?

The average day length in July in Grimes is 14h and 35min.

When is the sunrise / sunset in July in Grimes?

In July, on the first day of the month, sunrise is at 5:45 am and sunset at 8:37 pm. On the last day of the month, in Grimes, sunrise is at 6:08 am and sunset at 8:19 pm PDT.

What month has the most sunshine in Grimes?

July has the most sunshine of the year in Grimes, with an average of 12.2h of sunshine.

How long on average sun shines in July in Grimes?

In July, the average sunshine duration in Grimes, California, is 12.2h.

When is the highest UV index in Grimes?

The months with the highest UV index in Grimes are June and July, with an average maximum UV index of 7.

How high is the UV index in July in Grimes?

In Grimes, California, the average daily maximum UV index in July is 7. A UV Index reading of 6 to 7 represents a high hazard to health 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
Grimes, CA

Average temperature in July - Grimes, CA
  • Average high temperature in July: 97.2°F

The warmest month (with the highest average high temperature) is July (97.2°F).
The month with the lowest average high temperature is December (54.5°F).

  • Average low temperature in July: 62.1°F

The month with the highest average low temperature is July (62.1°F).
The coldest month (with the lowest average low temperature) is December (41.4°F).

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Average pressure in July
Grimes, CA

Average pressure in July - Grimes, CA
  • Average pressure in July: 29.91"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

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Average wind speed in July
Grimes, CA

Average wind speed in July - Grimes, CA
  • Average wind speed in July: 5.1mph

The windiest month (with the highest average wind speed) is March (6.1mph).
The calmest month (with the lowest average wind speed) is September (4.5mph).

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Average humidity in July
Grimes, CA

Average humidity in July - Grimes, CA
  • Average humidity in July: 38%

The month with the highest relative humidity is March (73%).
The months with the lowest relative humidity are July and September (38%).

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Average rainfall in July
Grimes, CA

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

The wettest month (with the highest rainfall) is February (3.07").
The driest months (with the least rainfall) are July and August (0.04").

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Average rainfall days in July
Grimes, CA

Average rainfall days in July - Grimes, CA
  • Average rainfall days in July: 0.9 days

The month with the highest number of rainy days is March (13.8 days).
The month with the least rainy days is July (0.9 days).

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

Average daylight in July / Average sunshine in July - Grimes, CA
  • Average daylight in July: 14h and 4min

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in July: 12h and 1min

The month with the most sunshine is July (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 5h and 48min).

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Average sunshine days in July
Grimes, CA

Average sunshine days in July - Grimes, CA
  • Average sunshine days in July: 29.7 days

The month with the most sunshine days is July (29.7 days).
The month with the least sunshine days is March (16.2 days).

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Average UV index in July
Grimes, CA

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

The months with the highest UV index are June and July (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
Grimes, CA

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

The month with the most cloud cover is March (Cloud cover 37).
The month with the least cloud cover is July (Cloud cover 4).

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Average visibility in July
Grimes, CA

Average visibility in July - Grimes, 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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Grimes, California, USA

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