July weather forecastMartinez, CA
July
Weather in July
July, like June, in Martinez, California, is a moderately hot summer month, with temperature in the range of an average low of 56.1°F (13.4°C) and an average high of 84.2°F (29°C).Temperature
In Martinez, the peak average temperatures are observed in July, with a high of 84.2°F (29°C) and a low of 56.1°F (13.4°C).Heat index
For July, the heat index is appraised at a hot 87.8°F (31°C). If exposure and ongoing activity persist, they might induce a state of tiredness and heat cramps.Factoring in the heat index, values are geared towards shaded areas with light breezes. The heat index could see an increase by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'felt air temperature' or 'feels like', combines air temperature and relative humidity to represent a human perceived temperature equivalent. A person's impression of weather can be shaped by many aspects, among them metabolic variations, pregnancy, and levels of physical activity. Taking into account that direct sunlight can boost the heat effect, the heat index may rise by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Kids are usually in more danger than grown-ups as they tend to sweat less. Plus, their bigger skin surface in relation to their small frames and increased heat generation due to their activity level make them more susceptible.
Humidity
The average relative humidity in July is 58%.Rainfall
The months with the least rainfall are July and August Rain falls for 1.6 days and accumulates 0.04" (1mm) of rain.Daylight
The average length of the day in July is 14h and 29min.On the first day of the month, sunrise is at 5:50 am and sunset at 8:35 pm. On the last day of July, sunrise is at 6:11 am and sunset at 8:18 pm PDT.
Sunshine
The month with the most sunshine is July, with an average of 12h of sunshine.UV index
The months with the highest UV index are June through August, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for average individuals.Note: In July, the maximum UV index of 6 suggests this advice:
Adhere to precautions and respect sun safety doctrines. Avoiding sunburn is vital. Limit your exposure to the sun's UV radiation, which is strongest between 10 a.m. and 4 p.m., and note that parasols or canopies may not provide full sun protection. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Martinez, CA
- Average high temperature in July: 84.2°F
The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is December (55.4°F).
- Average low temperature in July: 56.1°F
The month with the highest average low temperature is September (57.6°F).
The coldest months (with the lowest average low temperature) are January and December (42.3°F).
Average pressure in July
Martinez, CA
- Average pressure in July: 29.92"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in July
Martinez, CA
- Average wind speed in July: 7.1mph
The windiest month (with the highest average wind speed) is May (7.4mph).
The calmest month (with the lowest average wind speed) is November (4.5mph).
Average humidity in July
Martinez, CA
- Average humidity in July: 58%
The month with the highest relative humidity is March (74%).
The months with the lowest relative humidity are September and October (56%).
Average rainfall in July
Martinez, CA
- Average rainfall in July: 0.04"
The wettest month (with the highest rainfall) is February (0.98").
The driest months (with the least rainfall) are July and August (0.04").
Average rainfall days in July
Martinez, CA
- Average rainfall days in July: 1.6 days
The month with the highest number of rainy days is March (8.3 days).
The month with the least rainy days is August (1 days).
Average daylight in July /
Average sunshine in July
Martinez, CA
- Average daylight in July: 14h and 30min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in July: 12h and 0min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).
Average sunshine days in July
Martinez, CA
- Average sunshine days in July: 29 days
The month with the most sunshine days is July (29 days).
The months with the least sunshine days are February and March (22.1 days).
Average UV index in July
Martinez, CA
- Average UV index in July: 6
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in July
Martinez, CA
- Average cloud cover in July: 7
The months with the most cloud cover are March and December (Cloud cover 36).
The month with the least cloud cover is July (Cloud cover 7).
Average visibility in July
Martinez, 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).
