July weather forecast
Winterhaven, CA

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Weather in July

July is an extremely hot summer month in Winterhaven, California, with an average temperature varying between 105.3°F (40.7°C) and 84.6°F (29.2°C).

Temperature

The warmest temperatures occur during July, when averages reach a peak of 105.3°F (40.7°C) and a low of 84.6°F (29.2°C).

Humidity

The average relative humidity in July is 29%.

Rainfall

The months with the most rainfall are July and September, with an average 0.39" (10mm) of precipitation.

Daylight

In Winterhaven, the average length of the day in July is 14h and 4min.
On the first day of the month, sunrise is at 5:34 am and sunset at 7:50 pm. On the last day of July, sunrise is at 5:52 am and sunset at 7:37 pm PDT.

Sunshine

The average sunshine in July is 12.1h.

UV index

June through September, with an average maximum UV index of 8, are months with the highest UV index. A UV Index estimate of 8 to 10 represents a very high health risk from exposure to the Sun's UV radiation for ordinary individuals.
Note: The maximum daily UV index of 8 in July converts into the following recommendations:
Without proper safety measures, skin and eyes can be quickly harmed. Be sure to protect yourself. Minimize exposure to direct sunlight and seek shade from 10 a.m. to 4 p.m., when UV radiation is most intense, but remember that shade structures may not offer complete protection. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Updated: Jun 16, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What part of the year is the hottest?

July is the warmest month, with an average high-temperature of 105.3°F (40.7°C) and an average low-temperature of 84.6°F (29.2°C).

How hot does it get in July?

The average high-temperature, in July, in Winterhaven, is 105.3°F (40.7°C), while the average low-temperature is 84.6°F (29.2°C).

What is the average humidity in July?

In July, the average relative humidity is 29%.

What is the rainiest month?

The wettest months are July and September, with an average 0.39" (10mm) of rainfall.

How many days does it rain in July?

In Winterhaven, California, in July, during 5.8 rainfall days, 0.39" (10mm) of precipitation is typically accumulated.

How many hours of daylight does Winterhaven have in July?

The average day length in July is 14h and 4min.

What time are sunrise and sunset in July?

On the first day of July, sunrise is at 5:34 am and sunset at 7:50 pm. On the last day of the month, sunrise is at 5:52 am and sunset at 7:37 pm PDT.

How long on average sun shines in July?

The average sunshine duration in July is 12.1h.

When is the highest UV index?

The months with the highest UV index are June through September, with an average maximum UV index of 8.

How high is the UV index in July?

In July, the average daily maximum UV index is 8. A UV Index reading of 8 to 10 represents a very high health threat from unprotected exposure to 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
Winterhaven, CA

Average temperature in July - Winterhaven, CA
  • Average high temperature in July: 105.3°F

The warmest month (with the highest average high temperature) is July (105.3°F).
The month with the lowest average high temperature is December (66°F).

  • Average low temperature in July: 84.6°F

The month with the highest average low temperature is August (86.4°F).
The coldest month (with the lowest average low temperature) is December (50.5°F).

Average pressure in July
Winterhaven, CA

Average pressure in July - Winterhaven, CA
  • Average pressure in July: 29.78"Hg

The month with the highest atmospheric pressure is January (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.74"Hg).

Average wind speed in July
Winterhaven, CA

Average wind speed in July - Winterhaven, CA
  • Average wind speed in July: 8.5mph

The windiest months (with the highest average wind speed) are April and July (8.5mph).
The calmest month (with the lowest average wind speed) is November (6.6mph).

Average humidity in July
Winterhaven, CA

Average humidity in July - Winterhaven, CA
  • Average humidity in July: 29%

The month with the highest relative humidity is December (38%).
The month with the lowest relative humidity is June (22%).

Average rainfall in July
Winterhaven, CA

Average rainfall in July - Winterhaven, CA
  • Average rainfall in July: 0.39"

The wettest months (with the highest rainfall) are July and September (0.39").
The driest months (with the least rainfall) are May and June (0.04").

Average rainfall days in July
Winterhaven, CA

Average rainfall days in July - Winterhaven, CA
  • Average rainfall days in July: 5.8 days

The month with the highest number of rainy days is July (5.8 days).
The month with the least rainy days is May (0.8 days).

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

Average daylight in July / Average sunshine in July - Winterhaven, 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 1min

The month with the most sunshine is June (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 7h and 12min).

Average sunshine days in July
Winterhaven, CA

Average sunshine days in July - Winterhaven, CA
  • Average sunshine days in July: 22.1 days

The month with the most sunshine days is May (30.2 days).
The month with the least sunshine days is July (22.1 days).

Average UV index in July
Winterhaven, CA

Average UV index in July - Winterhaven, CA
  • Average UV index in July: 8

The months with the highest UV index are June, July, August and September (UV index 8).
The months with the lowest UV index are November and December (UV index 4).

Average cloud cover in July
Winterhaven, CA

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

The month with the most cloud cover is December (Cloud cover 17).
The month with the least cloud cover is June (Cloud cover 5).

Average visibility in July
Winterhaven, CA

Average visibility in July - Winterhaven, 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).

Winterhaven, California, USA

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