July weather forecast
Hayward, CA

Share
The landscape of the famed Verdant Hills in Hayward, California
The landscape of the famed Verdant Hills in Hayward, California

Weather in July

July is the hottest month in Hayward, characterized by high temperatures and the fewest cloudy days. With minimum rainfall, maximum daylight, and long sunshine hours, July epitomizes the prime of summer. Relative humidity remains constant, but the month carries superb visibility, indicative of minimal cloudy coverage. The maximum temperature reaches 80.2°F (26.8°C) in July, signifying the climax of the rising temperature trend in Hayward. Despite the soaring temperatures, wind speeds manage to stay moderate, acting as a soothing respite for the city's residents.

Temperature

With average temperatures fluctuating between a high of 80.2°F (26.8°C) and a low of 55.2°F (12.9°C), July stands out as the warmest month.

Humidity

In July, the average relative humidity is 63%.

Rainfall

The months with the least rainfall are July and August Rain falls for 1.5 days and accumulates 0.04" (1mm) of rain.

Daylight

The average length of the day in July is 14h and 28min.
On the first day of the month, sunrise is at 5:50 am and sunset at 8:33 pm. On the last day of July, sunrise is at 6:12 am and sunset at 8:17 pm PDT.

Sunshine

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

UV index

In Hayward, the average daily maximum UV index in July is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for average individuals.
Note: In July, a regular UV index of 5 translates into these guidelines:
Heed the precautions - It is counselled to guard against solar damage. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
Updated: Jun 27, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What month is the hottest?

The highest temperatures are recorded in July, with averages reaching a high of 80.2°F (26.8°C) and a low of 55.2°F (12.9°C).

What are the temperatures in Hayward in July?

Hayward in July has an average high-temperature of 80.2°F (26.8°C) and an average low-temperature of 55.2°F (12.9°C).

What is the average humidity in July?

The average relative humidity in July is 63%.

What is the driest month?

The months with the least rainfall are July and August Rain falls for 1.5 days and accumulates 0.04" (1mm) of rain.

How many days does it rain in July?

In July, the rain falls for 1.5 days. Throughout July, 0.04" (1mm) of precipitation is accumulated.

How many hours of daylight does Hayward have in July?

In Hayward, the average day length in July is 14h and 28min.

When are sunrise and sunset in July?

On the first day of July in Hayward, sunrise is at 5:50 am and sunset at 8:33 pm. On the last day of the month, sunrise is at 6:12 am and sunset at 8:17 pm PDT.

What month has the most sunshine?

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

How many hours of sunshine does Hayward have in July?

In July, the average sunshine duration is 12.1h.

What is the UV index reading in July?

The average daily maximum UV index in July is 5. A UV Index of 3 to 5 symbolizes a moderate vulnerability 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
Hayward, CA

Average temperature in July - Hayward, CA
  • Average high temperature in July: 80.2°F

The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is December (55.9°F).

  • Average low temperature in July: 55.2°F

The month with the highest average low temperature is August (56.5°F).
The coldest months (with the lowest average low temperature) are January and December (43.7°F).

Average pressure in July
Hayward, CA

Average pressure in July - Hayward, CA
  • Average pressure in July: 29.93"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.92"Hg).

Average wind speed in July
Hayward, CA

Average wind speed in July - Hayward, CA
  • Average wind speed in July: 5.7mph

The windiest month (with the highest average wind speed) is May (6.6mph).
The calmest month (with the lowest average wind speed) is November (4.6mph).

Average humidity in July
Hayward, CA

Average humidity in July - Hayward, CA
  • Average humidity in July: 63%

The month with the highest relative humidity is March (74%).
The month with the lowest relative humidity is September (61%).

Average rainfall in July
Hayward, CA

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

The wettest month (with the highest rainfall) is February (2.28").
The driest months (with the least rainfall) are July and August (0.04").

Average rainfall days in July
Hayward, CA

Average rainfall days in July - Hayward, CA
  • Average rainfall days in July: 1.5 days

The month with the highest number of rainy days is March (12.4 days).
The month with the least rainy days is August (0.9 days).

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

Average daylight in July / Average sunshine in July - Hayward, 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: 5h and 54min).

Average sunshine days in July
Hayward, CA

Average sunshine days in July - Hayward, CA
  • Average sunshine days in July: 28.8 days

The month with the most sunshine days is August (28.9 days).
The month with the least sunshine days is March (17.3 days).

Average UV index in July
Hayward, CA

Average UV index in July - Hayward, CA
  • Average UV index in July: 5

The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 3).

Average cloud cover in July
Hayward, CA

Average cloud cover in July - Hayward, CA
  • Average cloud cover in July: 7

The months with the most cloud cover are March and December (Cloud cover 34).
The month with the least cloud cover is July (Cloud cover 7).

Average visibility in July
Hayward, CA

Average visibility in July - Hayward, 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).

Hayward, California, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location