Contents
- Weather in July
- Frequently asked questions
- Average temperature in July
- Average pressure in July
- Average wind speed in July
- Average humidity in July
- Average rainfall in July
- Average rainfall days in July
- Average daylight in July
- Average sunshine in July
- Average sunshine days in July
- Average UV index in July
- Average cloud cover in July
- Average visibility in July
Weather in July
Temperature
Norwalk transitions into July recording an average high-temperature of a still warm 81.5°F (27.5°C), closely aligning with the preceding month's temperature. July nights cool down to an average low-temperature of 64°F (17.8°C).Heat index
July's heat index is evaluated at 84.2°F (29°C). When exposure and activity are sustained, they could induce fatigue, with a chance of heat cramps.Heat index specifics point out values are for conditions of shade and a slight breeze. The direct sunshine could escalate the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', is an aggregate value of air's warmth and moisture to show the human-felt temperature. Additional elements including metabolic differences, the level of physical activity, and attire have a role in shaping the individual's temperature perception. With direct sunlight, be aware that it might enhance the heat sensation, raising the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Typically, children face more danger than adults as they usually perspire less. Their larger skin surface relative to their small bodies and increased heat output from their activities enhance their risk.
Humidity
In July, the average relative humidity in Norwalk is 62%.Rainfall
In Norwalk, in July, it is raining for 3.6 days, with typically 0.2" (5mm) of accumulated precipitation. Throughout the year, there are 49.5 rainfall days, and 7.05" (179mm) of precipitation is accumulated.Daylight
In Norwalk, the average length of the day in July is 14h and 9min.On the first day of the month, sunrise is at 5:45 am and sunset at 8:07 pm. On the last day of July, sunrise is at 6:03 am and sunset at 7:53 pm PDT.
Sunshine
The months with the most sunshine are July and August, with an average of 12h of sunshine.UV index
The months with the highest UV index are June through September, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: In July, the maximum UV index of 6 suggests these recommendations:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. UV radiation from the Sun is most intense between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average July temperature in Norwalk?
What is the average humidity in July?
How much does it rain in July?
What is the average length of the day in July?
When are sunrise and sunset in July?
What are the months with the most sunshine?
How many hours of sunshine does Norwalk have in July?
When is the highest UV index?
What is the UV index reading in July?
Average temperature in July
Norwalk, CA
- Average high temperature in July: 81.5°F
The warmest month (with the highest average high temperature) is August (83.1°F).
The month with the lowest average high temperature is December (64.6°F).
- Average low temperature in July: 64°F
The month with the highest average low temperature is August (65.7°F).
The coldest month (with the lowest average low temperature) is February (50.5°F).
Average pressure in July
Norwalk, CA
- Average pressure in July: 29.91"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The months with the lowest atmospheric pressure are June and September (29.89"Hg).
Average wind speed in July
Norwalk, CA
- Average wind speed in July: 5.2mph
The windiest month (with the highest average wind speed) is April (6.1mph).
The calmest month (with the lowest average wind speed) is October (4.7mph).
Average humidity in July
Norwalk, CA
- Average humidity in July: 62%
The month with the highest relative humidity is June (66%).
The month with the lowest relative humidity is November (51%).
Average rainfall in July
Norwalk, CA
- Average rainfall in July: 0.2"
The wettest month (with the highest rainfall) is December (1.46").
The driest month (with the least rainfall) is June (0.04").
Average rainfall days in July
Norwalk, CA
- Average rainfall days in July: 3.6 days
The month with the highest number of rainy days is March (7.1 days).
The month with the least rainy days is June (1.2 days).
Average daylight in July /
Average sunshine in July
Norwalk, CA
- Average daylight in July: 14h and 1min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in July: 12h and 0min
The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).
Average sunshine days in July
Norwalk, CA
- Average sunshine days in July: 25.1 days
The months with the most sunshine days are January and August (25.6 days).
The month with the least sunshine days is February (21.1 days).
Average UV index in July
Norwalk, CA
- Average UV index in July: 6
The months with the highest UV index are June, July, August and September (UV index 6).
The months with the lowest UV index are February, November and December (UV index 4).
Average cloud cover in July
Norwalk, CA
- Average cloud cover in July: 8
The months with the most cloud cover are March and December (Cloud cover 22).
The month with the least cloud cover is August (Cloud cover 6).
Average visibility in July
Norwalk, 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).
Norwalk, California, USA
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