July weather forecastMcKinleyville, CA
July
Weather in July
July in McKinleyville, California, is an agreeable summer month, with an average temperature varying between 51.1°F (10.6°C) and 68.5°F (20.3°C).Temperature
At the start of July, McKinleyville's average high-temperature reaches an agreeable 68.5°F (20.3°C), subtly different from the preceding month. McKinleyville experiences a mean temperature of 51.1°F (10.6°C) during July nights.Humidity
In McKinleyville, the average relative humidity in July is 80%.Rainfall
July is the month with the least rainfall. Rain falls for 2.2 days and accumulates 0.08" (2mm) of precipitation.Snowfall
In McKinleyville, snow does not fall in January, March through December.Daylight
The average length of the day in July is 14h and 46min.On the first day of July in McKinleyville, sunrise is at 5:48 am and sunset at 8:52 pm. On the last day of the month, sunrise is at 6:12 am and sunset at 8:33 pm PDT.
Sunshine
The month with the most sunshine in McKinleyville is July, with an average of 11.5h of sunshine.UV index
June through August, with an average maximum UV index of 5, are months with the highest UV index in McKinleyville. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum UV index of 5 during July translates into these guidelines:
Take measures. Individuals with light skin might experience burns in under 30 minutes. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
McKinleyville, CA
- Average high temperature in July: 68.5°F
The warmest month (with the highest average high temperature) is August (68.9°F).
The month with the lowest average high temperature is December (52.7°F).
- Average low temperature in July: 51.1°F
The month with the highest average low temperature is August (51.4°F).
The coldest month (with the lowest average low temperature) is February (41.7°F).
Average pressure in July
McKinleyville, CA
- Average pressure in July: 29.98"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is August (29.97"Hg).
Average wind speed in July
McKinleyville, CA
- Average wind speed in July: 5.9mph
The windiest month (with the highest average wind speed) is March (8.4mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in July
McKinleyville, CA
- Average humidity in July: 80%
The month with the highest relative humidity is March (82%).
The months with the lowest relative humidity are September and October (76%).
Average rainfall in July
McKinleyville, CA
- Average rainfall in July: 0.08"
The wettest month (with the highest rainfall) is December (5.87").
The driest month (with the least rainfall) is July (0.08").
Average rainfall days in July
McKinleyville, CA
- Average rainfall days in July: 2.2 days
The month with the highest number of rainy days is March (16.8 days).
The months with the least rainy days are July and August (2.2 days).
Average snowfall in July
McKinleyville, CA
- Average snowfall in July: 0"
The month with the highest snowfall is February (0.39").
The months with the least snowfall are January, March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in July
McKinleyville, CA
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is February (0.3 days).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October and November (0 days).
Average daylight in July /
Average sunshine in July
McKinleyville, CA
- Average daylight in July: 14h and 48min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in July: 11h and 30min
The month with the most sunshine is July (Average sunshine: 11h and 30min).
The months with the least sunshine are January and December (Average sunshine: 5h and 6min).
Average sunshine days in July
McKinleyville, CA
- Average sunshine days in July: 28 days
The months with the most sunshine days are July and August (28 days).
The month with the least sunshine days is March (12.5 days).
Average UV index in July
McKinleyville, CA
- Average UV index in July: 5
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 3).
Average cloud cover in July
McKinleyville, CA
- Average cloud cover in July: 18
The month with the most cloud cover is March (Cloud cover 48).
The months with the least cloud cover are July and August (Cloud cover 18).
Average visibility in July
McKinleyville, CA
- Average visibility in July: 5mi
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).





