July weather forecastVernonia, OR
July
Weather in July
July in Vernonia, Oregon, is a warm summer month, with temperature in the range of an average low of 49.6°F (9.8°C) and an average high of 75.2°F (24°C).Temperature
July's onset brings a minor rise in the average high-temperature, moving from a pleasant 68.2°F (20.1°C) in June to a warm 75.2°F (24°C). Vernonia anticipates a considerable daily temperature fluctuation in July, with low temperatures averaging a chilly 49.6°F (9.8°C).Humidity
July is the least humid month, with an average relative humidity of 73%.Rainfall
July and August are months with the least rain when the rain falls for 6 days and typically aggregates up to 0.51" (13mm) of rain.Snowfall
In Vernonia, snow does not fall in May through October.Daylight
The average length of the day in July is 15h and 18min.On the first day of July, sunrise is at 5:27 am and sunset at 9:06 pm. On the last day of the month, sunrise is at 5:55 am and sunset at 8:42 pm PDT.
Sunshine
In Vernonia, the average sunshine in July is 9.9h.UV index
The month with the highest UV index in Vernonia is July, with an average maximum UV index of 5. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: During July, 5 as the daily maximum UV index converts into the following advice:
Exercise prevention - Precautions against solar damage are endorsed. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Vernonia, OR
- Average high temperature in July: 75.2°F
The warmest month (with the highest average high temperature) is August (77°F).
The month with the lowest average high temperature is December (42.1°F).
- Average low temperature in July: 49.6°F
The month with the highest average low temperature is August (50.7°F).
The coldest month (with the lowest average low temperature) is December (32.9°F).
Average pressure in July
Vernonia, OR
- Average pressure in July: 30.06"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The months with the lowest atmospheric pressure are August and September (30.02"Hg).
Average wind speed in July
Vernonia, OR
- Average wind speed in July: 4.5mph
The windiest months (with the highest average wind speed) are January, March and November (4.8mph).
The calmest month (with the lowest average wind speed) is September (3.9mph).
Average humidity in July
Vernonia, OR
- Average humidity in July: 73%
The month with the highest relative humidity is November (89%).
The month with the lowest relative humidity is July (73%).
Average rainfall in July
Vernonia, OR
- Average rainfall in July: 0.51"
The wettest month (with the highest rainfall) is January (5.79").
The driest months (with the least rainfall) are July and August (0.51").
Average rainfall days in July
Vernonia, OR
- Average rainfall days in July: 6 days
The month with the highest number of rainy days is March (21.7 days).
The month with the least rainy days is July (6 days).
Average snowfall in July
Vernonia, OR
- Average snowfall in July: 0"
The month with the highest snowfall is February (3.94").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in July
Vernonia, OR
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is February (4.4 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
Vernonia, OR
- 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: 9h and 54min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 3h and 18min).
Average sunshine days in July
Vernonia, OR
- Average sunshine days in July: 22.1 days
The month with the most sunshine days is July (22.1 days).
The months with the least sunshine days are February and March (7.6 days).
Average UV index in July
Vernonia, OR
- 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, November and December (UV index 2).
Average cloud cover in July
Vernonia, OR
- Average cloud cover in July: 38
The months with the most cloud cover are February and March (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in July
Vernonia, OR
- Average visibility in July: 5mi
The months with the highest visibility are July and August (5mi).
The months with the lowest visibility are January, February, March, April, May, June, September, October, November and December (4mi).





