July weather forecastRoseville, CA
July
Weather in July
July, the same as June, in Roseville, California, is another tropical summer month, with an average temperature varying between 94.1°F (34.5°C) and 60.4°F (15.8°C).Temperature
July, with an average high of 94.1°F (34.5°C) and a low of 60.4°F (15.8°C), signifies the warmest month of the year.Heat index
During July, the heat index is appraised at a fiery hot 98.6°F (37°C). Take more caution, heat exhaustion and heat cramps may occur. Long-lasting activity may cause heatstroke.Heat index evaluations are typically in the context of light winds and shaded environments. A rise in the heat index by 15 Fahrenheit (8 Celsius) degrees may result from direct sunlight exposure.
Note: The heat index, also known as 'real feel' or 'felt air temperature', quantifies the warmth felt when relative humidity is considered. Physical activity, clothing, and metabolic variations are additional factors that impact an individual's perception of temperature. One's exposure to direct sunlight has the potential to intensify the heat sensation, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Young children are more at risk than adults since they tend to sweat less. Moreover, their large skin surface in proportion to their small bodies and the high heat production due to their activities contribute to their vulnerability.
Perspiration and the resultant sweat evaporation are the body's natural thermostat, helping regulate temperature. In the presence of elevated relative humidity, the evaporation rate decreases. This reduction leads to increased body heat retention compared to conditions of dry air. Excessive heat gain, when not shed effectively by the body, can result in increasing body temperatures and related hazards.
Humidity
July is the least humid month in Roseville, with an average relative humidity of 41%.Rainfall
July and August are months with the least rain when the rain falls for 1.1 days and typically aggregates up to 0.04" (1mm) of rain.Snowfall
In Roseville, snow does not fall in January through November.Daylight
In July, the average length of the day is 14h and 34min.On the first day of the month, sunrise is at 5:44 am and sunset at 8:34 pm. On the last day of July, sunrise is at 6:06 am and sunset at 8:16 pm PDT.
Sunshine
July has the most sunshine of the year, with an average of 12.1h of sunshine.UV index
June and July, with an average maximum UV index of 7, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to UV radiation for average individuals.Note: The maximum daily UV index of 7 during July translates into the following directions:
Adopt measures and apply sun safety strategies. Shielding from skin and eye damage is necessary. Stay in the shade and limit direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is particularly strong. Remember, however, that shade structures may not provide complete protection. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Roseville, CA
- Average high temperature in July: 94.1°F
The warmest month (with the highest average high temperature) is July (94.1°F).
The month with the lowest average high temperature is December (54.1°F).
- Average low temperature in July: 60.4°F
The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is December (40.5°F).
Average pressure in July
Roseville, CA
- Average pressure in July: 29.92"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in July
Roseville, CA
- Average wind speed in July: 4.7mph
The windiest month (with the highest average wind speed) is February (5.7mph).
The calmest month (with the lowest average wind speed) is September (4mph).
Average humidity in July
Roseville, CA
- Average humidity in July: 41%
The month with the highest relative humidity is March (74%).
The month with the lowest relative humidity is July (41%).
Average rainfall in July
Roseville, CA
- Average rainfall in July: 0.04"
The wettest month (with the highest rainfall) is March (3.58").
The driest months (with the least rainfall) are July and August (0.04").
Average rainfall days in July
Roseville, CA
- Average rainfall days in July: 1.1 days
The month with the highest number of rainy days is March (14.1 days).
The month with the least rainy days is July (1.1 days).
Average snowfall days in July
Roseville, CA
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is December (0.2 days).
The months with the least snowfall days are January, February, March, April, May, June, July, August, September, October and November (0 days).
Average daylight in July /
Average sunshine in July
Roseville, CA
- Average daylight in July: 14h and 36min
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 30min).
- Average sunshine in July: 12h and 6min
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 48min).
Average sunshine days in July
Roseville, CA
- Average sunshine days in July: 29.3 days
The month with the most sunshine days is July (29.3 days).
The month with the least sunshine days is March (15.8 days).
Average UV index in July
Roseville, CA
- Average UV index in July: 7
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in July
Roseville, CA
- Average cloud cover in July: 4
The month with the most cloud cover is March (Cloud cover 38).
The month with the least cloud cover is July (Cloud cover 4).
Average visibility in July
Roseville, 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).
