Contents
- Weather in July
- Frequently asked questions
- Average temperature in July
- Average pressure in July
- Average wind speed in July
- Average humidity in July
- Average rainfall in July
- Average rainfall days in July
- Average snowfall in July
- Average snowfall days in July
- Average daylight in July
- Average sunshine in July
- Average sunshine days in July
- Average UV index in July
- Average cloud cover in July
- Average visibility in July
Weather in July
Temperature
The temperatures reach their highest averages in July, with highs of 81.7°F (27.6°C) and lows of 48.4°F (9.1°C).Heat index
The heat index in July is evaluated at 82.4°F (28°C). Persistently participating in activities during exposure may lead to fatigue and induce heat cramps.Research indicates the heat index considers values in shaded locales and with light winds. Being exposed to direct sunshine might trigger a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', is a composite of temperature and humidity figures to convey how warm it feels. This effect is subjective, differing among individuals based on their physical activity and perception of heat, which can be influenced by factors like wind, clothing, and metabolic variances. With direct sunlight, be aware that it might enhance the heat sensation, raising the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Kids frequently ignore the importance of taking a break and rehydrating. Thirst is a late symptom of dehydration - thus, it is crucial to stay hydrated, especially during long-lasting physical activities.
Humidity
In Mount Vernon, Oregon, the average relative humidity in July is 43%.Rainfall
July is the month with the least rainfall. Rain falls for 3.8 days and accumulates 0.24" (6mm) of precipitation.Snowfall
In Mount Vernon, Oregon, snow does not fall in June through August.Daylight
In July, the average length of the day is 15h and 8min.On the first day of July, sunrise is at 5:16 am and sunset at 8:44 pm. On the last day of the month, sunrise is at 5:43 am and sunset at 8:22 pm PDT.
Sunshine
In July, the average sunshine in Mount Vernon, Oregon, is 12h.UV index
With an average maximum UV index of 6, July is the month with the highest UV index in Mount Vernon. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV rays for the ordinary person.Note: The UV index of 6 during July leads to these advisories:
Take precautions against overexposure. Protection against sun damage is needed. Avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is most intense, and remember that not all shade structures provide full protection. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Frequently asked questions
What month is the hottest in Mount Vernon?
What is the temperature in July in Mount Vernon?
What is the average humidity in July in Mount Vernon?
What is the driest month in Mount Vernon?
How much does it rain in Mount Vernon in July?
When it does not snow in Mount Vernon?
What is the average length of the day in July in Mount Vernon?
What time are sunrise and sunset in July in Mount Vernon?
How long on average sun shines in July in Mount Vernon?
What is the month with the highest UV index in Mount Vernon?
What is the UV index intensity in July in Mount Vernon?
Average temperature in July
Mount Vernon, OR
- Average high temperature in July: 81.7°F
The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is December (33.4°F).
- Average low temperature in July: 48.4°F
The month with the highest average low temperature is August (49.6°F).
The coldest month (with the lowest average low temperature) is December (19.6°F).
Average pressure in July
Mount Vernon, OR
- Average pressure in July: 29.95"Hg
The month with the highest atmospheric pressure is January (30.22"Hg).
The month with the lowest atmospheric pressure is August (29.93"Hg).
Average wind speed in July
Mount Vernon, OR
- Average wind speed in July: 5.3mph
The windiest month (with the highest average wind speed) is April (6.2mph).
The calmest months (with the lowest average wind speed) are August and September (5mph).
Average humidity in July
Mount Vernon, OR
- Average humidity in July: 43%
The month with the highest relative humidity is February (85%).
The month with the lowest relative humidity is August (42%).
Average rainfall in July
Mount Vernon, OR
- Average rainfall in July: 0.24"
The wettest month (with the highest rainfall) is February (2.28").
The driest month (with the least rainfall) is July (0.24").
Average rainfall days in July
Mount Vernon, OR
- Average rainfall days in July: 3.8 days
The month with the highest number of rainy days is March (17.3 days).
The month with the least rainy days is August (3.3 days).
Average snowfall in July
Mount Vernon, OR
- Average snowfall in July: 0"
The month with the highest snowfall is February (10.31").
The months with the least snowfall are June, July and August (0").
Average snowfall days in July
Mount Vernon, OR
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is December (14.5 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in July /
Average sunshine in July
Mount Vernon, OR
- Average daylight in July: 15h and 1min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in July: 12h and 0min
The month with the most sunshine is August (Average sunshine: 12h and 6min).
The months with the least sunshine are January and February (Average sunshine: 5h and 12min).
Average sunshine days in July
Mount Vernon, OR
- Average sunshine days in July: 24.9 days
The month with the most sunshine days is July (24.9 days).
The month with the least sunshine days is February (9 days).
Average UV index in July
Mount Vernon, OR
- 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, February, March, October, November and December (UV index 2).
Average cloud cover in July
Mount Vernon, OR
- Average cloud cover in July: 9
The month with the most cloud cover is February (Cloud cover 49).
The months with the least cloud cover are July and August (Cloud cover 9).
Average visibility in July
Mount Vernon, OR
- Average visibility in July: 6mi
The months with the highest visibility are April, May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February and December (4mi).
Mount Vernon, Oregon, USA
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