July weather forecastPomona, CA
July
Weather in July
In July, Pomona graces itself with the highest temperatures of the year at an average of 88.5°F (31.4°C). The peak summer month elevates the holiday mood fostering a lively outdoor scene. Families and tourists flock to Pomona's leisure hotspots to make the most of the swell in temperature. Despite harsher conditions towards midday, the little cloud cover ensures clear skies for most parts of the day. The month of July is a testament to Pomona’s summer experience: it's all about sun-soaked days and light, airy evenings.Temperature
As June gives way to July, the average high-temperature displays a slight ascent, adjusting from a warm 82.9°F (28.3°C) to a tropical 88.5°F (31.4°C). In Pomona, a significant divergence from daytime highs is recorded, with average lows of 64°F (17.8°C) during July nights.Heat index
For July, the heat index is evaluated at a hot 91.4°F (33°C). Exercise increased caution, heat cramps and heat exhaustion are potential hazards. Continuous activity could lead to heatstroke.It is essential to grasp that the heat index's numbers are for shade and light wind settings. The heat index could experience an increase of 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'real feel', embodies the combination of air temperature and moisture content to illustrate perceived heat. The influence of weather is personal, differing among individuals based on variations in body mass, stature, and the degree of physical exertion. Being aware that direct sunlight can impact the felt heat might mean an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Youths are typically more endangered than adults since they usually sweat less. Their larger skin surface concerning their smaller bodies and higher heat production due to activity further adds to their vulnerability.
Humidity
The average relative humidity in July is 48%.Rainfall
In Pomona, in July, it is raining for 2.6 days, with typically 0.12" (3mm) of accumulated precipitation. Throughout the year, there are 48 rainfall days, and 7.52" (191mm) of precipitation is accumulated.Snowfall
January, March through December are months without snowfall in Pomona.Daylight
In Pomona, the average length of the day in July is 14h and 10min.On the first day of July in Pomona, sunrise is at 5:43 am and sunset at 8:06 pm. On the last day of the month, sunrise is at 6:02 am and sunset at 7:52 pm PDT.
Sunshine
July has the most sunshine of the year, with an average of 12.2h of sunshine.UV index
In July, the average daily maximum UV index in Pomona is 6. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for average individuals.Note: During July, 6 as the daily maximum UV index converts into the following advice:
Refrain from overexposure. Fair-skinned individuals could burn in under 20 minutes. 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. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Pomona, CA
- Average high temperature in July: 88.5°F
The warmest month (with the highest average high temperature) is August (90.1°F).
The month with the lowest average high temperature is December (63.1°F).
- Average low temperature in July: 64°F
The month with the highest average low temperature is August (65.7°F).
The coldest months (with the lowest average low temperature) are February and December (46.8°F).
Average pressure in July
Pomona, CA
- Average pressure in July: 29.9"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in July
Pomona, CA
- Average wind speed in July: 5mph
The windiest months (with the highest average wind speed) are April and May (5.7mph).
The calmest month (with the lowest average wind speed) is September (4.4mph).
Average humidity in July
Pomona, CA
- Average humidity in July: 48%
The month with the highest relative humidity is May (56%).
The months with the lowest relative humidity are August and November (45%).
Average rainfall in July
Pomona, CA
- Average rainfall in July: 0.12"
The wettest months (with the highest rainfall) are February and December (1.65").
The driest months (with the least rainfall) are June and August (0.04").
Average rainfall days in July
Pomona, CA
- Average rainfall days in July: 2.6 days
The month with the highest number of rainy days is March (7.6 days).
The month with the least rainy days is June (0.8 days).
Average snowfall days in July
Pomona, CA
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is February (0.1 days).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in July /
Average sunshine in July
Pomona, CA
- Average daylight in July: 14h and 12min
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 12min
The month with the most sunshine is July (Average sunshine: 12h and 12min).
The months with the least sunshine are February and December (Average sunshine: 6h and 54min).
Average sunshine days in July
Pomona, CA
- Average sunshine days in July: 26.7 days
The month with the most sunshine days is June (28.7 days).
The month with the least sunshine days is February (21.1 days).
Average UV index in July
Pomona, CA
- Average UV index in July: 6
The month with the highest UV index is August (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 4).
Average cloud cover in July
Pomona, CA
- Average cloud cover in July: 6
The months with the most cloud cover are February, March and December (Cloud cover 21).
The month with the least cloud cover is August (Cloud cover 4).
Average visibility in July
Pomona, 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).
