July weather forecastCathan, WA
July
Weather in July
July is a pleasant summer month in Cathan, Washington, with an average temperature ranging between max 72°F (22.2°C) and min 50.5°F (10.3°C).Temperature
Cathan in July experiences a slight uptick in the average high-temperature, adjusting from June's comfortable 66°F (18.9°C) to a pleasant 72°F (22.2°C). During July, Cathan's temperature averages to a fresh 50.5°F (10.3°C) at night.Humidity
The least humid month is July, with an average relative humidity of 73%.Rainfall
The month with the least rainfall in Cathan is July, when the rain falls for 8 days and typically collects 0.51" (13mm) of precipitation.Snowfall
In Cathan, snow does not fall in May through October.Daylight
In Cathan, the average length of the day in July is 15h and 35min.On the first day of July, sunrise is at 5:13 am and sunset at 9:12 pm. On the last day of the month, sunrise is at 5:44 am and sunset at 8:46 pm PDT.
Sunshine
The average sunshine in July is 10.5h.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 health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In July, the maximum UV index of 5 suggests these recommendations:
Guard yourself - An obligation to protect skin and eyes from harm exists. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Cathan, WA
- Average high temperature in July: 72°F
The warmest month (with the highest average high temperature) is August (72.3°F).
The month with the lowest average high temperature is December (41.7°F).
- Average low temperature in July: 50.5°F
The month with the highest average low temperature is August (51.6°F).
The coldest month (with the lowest average low temperature) is February (33.8°F).
Average pressure in July
Cathan, WA
- Average pressure in July: 30.03"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is August (30"Hg).
Average wind speed in July
Cathan, WA
- Average wind speed in July: 3.4mph
The windiest months (with the highest average wind speed) are January and November (5.6mph).
The calmest month (with the lowest average wind speed) is August (3.3mph).
Average humidity in July
Cathan, WA
- Average humidity in July: 73%
The months with the highest relative humidity are January, February, November and December (85%).
The month with the lowest relative humidity is July (73%).
Average rainfall in July
Cathan, WA
- Average rainfall in July: 0.51"
The wettest month (with the highest rainfall) is November (4.92").
The driest month (with the least rainfall) is July (0.51").
Average rainfall days in July
Cathan, WA
- Average rainfall days in July: 8 days
The month with the highest number of rainy days is March (20.9 days).
The month with the least rainy days is August (6.9 days).
Average snowfall in July
Cathan, WA
- Average snowfall in July: 0"
The month with the highest snowfall is February (4.45").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in July
Cathan, WA
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is February (4.3 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
Cathan, WA
- Average daylight in July: 15h and 36min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in July: 10h and 30min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 4h and 6min).
Average sunshine days in July
Cathan, WA
- Average sunshine days in July: 20.6 days
The month with the most sunshine days is August (22 days).
The month with the least sunshine days is March (8.1 days).
Average UV index in July
Cathan, WA
- Average UV index in July: 5
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, October, November and December (UV index 2).
Average cloud cover in July
Cathan, WA
- Average cloud cover in July: 26
The month with the most cloud cover is December (Cloud cover 57).
The months with the least cloud cover are July and August (Cloud cover 26).
Average visibility in July
Cathan, WA
- Average visibility in July: 6mi
The months with the highest visibility are March, April, May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February, November and December (5mi).





