July weather forecastBlack Diamond, WA
July
Weather in July
July is a moderately hot summer month in Black Diamond, Washington, with an average temperature varying between 48.7°F (9.3°C) and 74.7°F (23.7°C).Temperature
July witnesses a minor rise in the average high-temperature, transitioning from a comfortable 67.1°F (19.5°C) in June to a warm 74.7°F (23.7°C). From the heights of the July heat, Black Diamond records a mean nighttime low of 48.7°F (9.3°C).Humidity
July is the least humid month, with an average relative humidity of 70%.Rainfall
July is the month with the least rainfall. Rain falls for 7.9 days and accumulates 0.59" (15mm) of precipitation.Snowfall
May through October are months without snowfall.Daylight
In July, the average length of the day is 15h and 29min.On the first day of July in Black Diamond, sunrise is at 5:16 am and sunset at 9:07 pm. On the last day of the month, sunrise is at 5:46 am and sunset at 8:42 pm PDT.
Sunshine
In Black Diamond, the average sunshine in July is 10.6h.UV index
With an average maximum UV index of 5, July is the month with the highest UV index. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: In July, an average UV index of 5 transforms into the following instructions:
Make use of precautions - Shielding skin and eyes from injury is a requirement. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Black Diamond, WA
- Average high temperature in July: 74.7°F
The warmest month (with the highest average high temperature) is August (75.4°F).
The month with the lowest average high temperature is December (40.8°F).
- Average low temperature in July: 48.7°F
The month with the highest average low temperature is August (50.2°F).
The coldest month (with the lowest average low temperature) is February (31.6°F).
Average pressure in July
Black Diamond, WA
- Average pressure in July: 30.02"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The months with the lowest atmospheric pressure are August and September (30"Hg).
Average wind speed in July
Black Diamond, WA
- Average wind speed in July: 3.6mph
The windiest month (with the highest average wind speed) is January (5.2mph).
The calmest month (with the lowest average wind speed) is August (3.5mph).
Average humidity in July
Black Diamond, WA
- Average humidity in July: 70%
The months with the highest relative humidity are January and February (86%).
The month with the lowest relative humidity is July (70%).
Average rainfall in July
Black Diamond, WA
- Average rainfall in July: 0.59"
The wettest month (with the highest rainfall) is December (5.43").
The driest month (with the least rainfall) is July (0.59").
Average rainfall days in July
Black Diamond, WA
- Average rainfall days in July: 7.9 days
The month with the highest number of rainy days is March (20.5 days).
The month with the least rainy days is August (6.7 days).
Average snowfall in July
Black Diamond, WA
- Average snowfall in July: 0"
The month with the highest snowfall is February (4.17").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in July
Black Diamond, WA
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is February (6 days).
The months with the least snowfall days are June, July, August and October (0 days).
Average daylight in July /
Average sunshine in July
Black Diamond, 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 30min).
- Average sunshine in July: 10h and 36min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The months with the least sunshine are January and December (Average sunshine: 4h and 6min).
Average sunshine days in July
Black Diamond, WA
- Average sunshine days in July: 21.5 days
The month with the most sunshine days is August (22 days).
The month with the least sunshine days is February (8.4 days).
Average UV index in July
Black Diamond, WA
- Average UV index in July: 5
The month with the highest UV index is July (UV index 5).
The month with the lowest UV index is November (UV index 1).
Average cloud cover in July
Black Diamond, WA
- Average cloud cover in July: 29
The months with the most cloud cover are January, February, March and December (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in July
Black Diamond, WA
- Average visibility in July: 6mi
The months with the highest visibility are July and August (6mi).
The months with the lowest visibility are January, February and December (4mi).
