July weather forecastRosalia, WA
July
Weather in July
July in Rosalia, Washington, is a warm summer month, with temperature in the range of an average high of 84.4°F (29.1°C) and an average low of 58.6°F (14.8°C).Temperature
With average temperatures fluctuating between a high of 84.4°F (29.1°C) and a low of 58.6°F (14.8°C), July stands out as the warmest month.Heat index
The heat index for July is evaluated at 84.2°F (29°C). Unrelenting activity during exposure could cause fatigue and potentially lead to 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 'real feel' or 'feels like', binds temperature metrics with humidity values to give a sense of the actual warmth. Factors encompassing physical activity, clothing, and metabolic differences have a role in shaping the individual's impression of temperature. Direct sunlight can potentially raise the heat index by 15 Fahrenheit (8 Celsius) degrees, so it's crucial to consider. Heat index values are extremely significant for babies and toddlers. Children frequently do not comprehend the need for rest and hydration. Thirst is an advanced stage of dehydration - staying hydrated, especially during extended physical exercises, is essential.
Humidity
In July, the average relative humidity is 40%.Rainfall
July is the month with the least rainfall. Rain falls for 3.5 days and accumulates 0.16" (4mm) of precipitation.Snowfall
June through August and October are months without snowfall.Daylight
In Rosalia, the average length of the day in July is 15h and 29min.On the first day of July, sunrise is at 4:57 am and sunset at 8:49 pm. On the last day of the month, sunrise is at 5:28 am and sunset at 8:23 pm PDT.
Sunshine
In July, the average sunshine is 12h.UV index
With an average maximum UV index of 7, July is the month with the highest UV index. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum UV index of 7 during July translates into these guidelines:
Uphold preventive measures and conform to sun safety guidelines. Defending against skin and eye harm is crucial. The Sun's UV radiation is most potent between 10 a.m. and 4 p.m. Try to limit direct exposure to the Sun during this period. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Rosalia, WA
- Average high temperature in July: 84.4°F
The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is December (33.1°F).
- Average low temperature in July: 58.6°F
The month with the highest average low temperature is August (61.3°F).
The coldest month (with the lowest average low temperature) is December (23.9°F).
Average pressure in July
Rosalia, WA
- Average pressure in July: 29.92"Hg
The month with the highest atmospheric pressure is January (30.19"Hg).
The month with the lowest atmospheric pressure is August (29.9"Hg).
Average wind speed in July
Rosalia, WA
- Average wind speed in July: 6.8mph
The windiest month (with the highest average wind speed) is March (8.8mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).
Average humidity in July
Rosalia, WA
- Average humidity in July: 40%
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is August (36%).
Average rainfall in July
Rosalia, WA
- Average rainfall in July: 0.16"
The wettest months (with the highest rainfall) are January and May (0.91").
The driest month (with the least rainfall) is July (0.16").
Average rainfall days in July
Rosalia, WA
- Average rainfall days in July: 3.5 days
The month with the highest number of rainy days is March (10.1 days).
The month with the least rainy days is July (3.5 days).
Average snowfall in July
Rosalia, WA
- Average snowfall in July: 0"
The month with the highest snowfall is February (3.82").
The months with the least snowfall are June, July, August and October (0").
Average snowfall days in July
Rosalia, WA
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is December (9.3 days).
The months with the least snowfall days are June, July, August and October (0 days).
Average daylight in July /
Average sunshine in July
Rosalia, WA
- Average daylight in July: 15h and 30min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in July: 12h and 0min
The month with the most sunshine is August (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 4h and 18min).
Average sunshine days in July
Rosalia, WA
- Average sunshine days in July: 26.6 days
The month with the most sunshine days is July (26.6 days).
The month with the least sunshine days is February (15.9 days).
Average UV index in July
Rosalia, WA
- Average UV index in July: 7
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in July
Rosalia, WA
- Average cloud cover in July: 11
The months with the most cloud cover are January and December (Cloud cover 55).
The month with the least cloud cover is July (Cloud cover 11).
Average visibility in July
Rosalia, WA
- Average visibility in July: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January and December (5mi).





