July weather forecastMountain Brook, WA
July
Weather in July
July in Mountain Brook, Washington, is a warm summer month, with an average temperature varying between 51.3°F (10.7°C) and 78.4°F (25.8°C).Temperature
Mountain Brook, Washington, in July experiences an increase in the average high-temperature, moving from June's agreeable 68.7°F (20.4°C) to a warm 78.4°F (25.8°C). The nighttime average for Mountain Brook in July plummets considerably from its daytime counterpart, resting at a fresh 51.3°F (10.7°C).Humidity
The months with the lowest humidity are July and August, with an average relative humidity of 58%.Rainfall
The month with the least rainfall in Mountain Brook is July, when the rain falls for 3.9 days and typically collects 0.24" (6mm) of precipitation.Snowfall
May through October are months without snowfall.Daylight
The average length of the day in July is 15h and 18min.On the first day of the month, sunrise is at 5:20 am and sunset at 8:59 pm. On the last day of July, sunrise is at 5:48 am and sunset at 8:35 pm PDT.
Sunshine
With an average of 11.8h of sunshine, July has the most sunshine of the year.UV index
The month with the highest UV index is July, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's 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. Avoid direct Sun exposure and seek shade from 10 a.m. to 4 p.m., the period of highest UV radiation. Remember, however, that not all shade structures offer full protection. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Mountain Brook, WA
- Average high temperature in July: 78.4°F
The warmest month (with the highest average high temperature) is August (78.6°F).
The month with the lowest average high temperature is December (35.2°F).
- Average low temperature in July: 51.3°F
The month with the highest average low temperature is August (52.3°F).
The coldest month (with the lowest average low temperature) is December (26.1°F).
Average pressure in July
Mountain Brook, WA
- Average pressure in July: 29.99"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is August (29.97"Hg).
Average wind speed in July
Mountain Brook, WA
- Average wind speed in July: 6.2mph
The windiest month (with the highest average wind speed) is June (6.4mph).
The calmest month (with the lowest average wind speed) is October (4.8mph).
Average humidity in July
Mountain Brook, WA
- Average humidity in July: 58%
The months with the highest relative humidity are January, February and December (88%).
The months with the lowest relative humidity are July and August (58%).
Average rainfall in July
Mountain Brook, WA
- Average rainfall in July: 0.24"
The wettest month (with the highest rainfall) is January (4.88").
The driest month (with the least rainfall) is July (0.24").
Average rainfall days in July
Mountain Brook, WA
- Average rainfall days in July: 3.9 days
The month with the highest number of rainy days is March (19.4 days).
The month with the least rainy days is August (3.8 days).
Average snowfall in July
Mountain Brook, WA
- Average snowfall in July: 0"
The month with the highest snowfall is January (6.22").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in July
Mountain Brook, WA
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is December (6.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in July /
Average sunshine in July
Mountain Brook, WA
- Average daylight in July: 15h and 18min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in July: 11h and 48min
The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in July
Mountain Brook, WA
- Average sunshine days in July: 25.8 days
The month with the most sunshine days is July (25.8 days).
The month with the least sunshine days is February (8.8 days).
Average UV index in July
Mountain Brook, WA
- Average UV index in July: 6
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and February (UV index 1).
Average cloud cover in July
Mountain Brook, WA
- Average cloud cover in July: 15
The months with the most cloud cover are January and February (Cloud cover 61).
The months with the least cloud cover are July and August (Cloud cover 15).
Average visibility in July
Mountain Brook, WA
- Average visibility in July: 6mi
The months with the highest visibility are May, June, July, August and September (6mi).
The months with the lowest visibility are January, February and December (4mi).
