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
Jefferson's July weather indicates a minor ascent in high-temperatures, adjusting from a pleasant 71.4°F (21.9°C) in June to a warm 79.9°F (26.6°C). Jefferson documents a substantial shift from daytime warmth, recording an average nighttime temperature of 51.4°F (10.8°C) in July.Humidity
The average relative humidity in July is 68%.Rainfall
July is the month with the least rainfall. Rain falls for 4 days and accumulates 0.24" (6mm) of precipitation.Snowfall
April through October are months without snowfall.Daylight
The average length of the day in July is 15h and 10min.On the first day of the month, sunrise is at 5:30 am and sunset at 9:01 pm. On the last day of July, sunrise is at 5:58 am and sunset at 8:38 pm PDT.
Sunshine
The average sunshine in July is 11h.UV index
With an average maximum UV index of 6, July is the month with the highest UV index. A UV Index reading of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The UV index of 6 during July leads to these advisories:
Stay clear of intense sun exposure. Solar protection is of utmost significance. Minimize exposure to direct sunlight and seek shade from 10 a.m. to 4 p.m., when UV radiation is most intense, but remember that shade structures may not offer complete protection. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in July?
What is the average humidity in July?
What is the driest month?
How much does it rain in July?
When it does not snow?
How many hours of daylight does Jefferson have in July?
When is the sunrise / sunset in July?
How long on average sun shines in July?
When is the highest UV index?
What is the UV index intensity in July?
Average temperature in July
Jefferson, OR
- Average high temperature in July: 79.9°F
The warmest month (with the highest average high temperature) is August (81.9°F).
The month with the lowest average high temperature is December (45.5°F).
- Average low temperature in July: 51.4°F
The month with the highest average low temperature is August (52.9°F).
The coldest month (with the lowest average low temperature) is December (34.5°F).
Average pressure in July
Jefferson, OR
- Average pressure in July: 30.04"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The months with the lowest atmospheric pressure are August and September (30.01"Hg).
Average wind speed in July
Jefferson, OR
- Average wind speed in July: 4.3mph
The windiest month (with the highest average wind speed) is March (5.1mph).
The calmest month (with the lowest average wind speed) is August (4mph).
Average humidity in July
Jefferson, OR
- Average humidity in July: 68%
The months with the highest relative humidity are February and December (87%).
The month with the lowest relative humidity is August (66%).
Average rainfall in July
Jefferson, OR
- Average rainfall in July: 0.24"
The wettest month (with the highest rainfall) is December (3.98").
The driest month (with the least rainfall) is July (0.24").
Average rainfall days in July
Jefferson, OR
- Average rainfall days in July: 4 days
The month with the highest number of rainy days is March (20 days).
The month with the least rainy days is August (3.9 days).
Average snowfall in July
Jefferson, OR
- Average snowfall in July: 0"
The month with the highest snowfall is February (1.3").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in July
Jefferson, OR
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is February (1.9 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in July /
Average sunshine in July
Jefferson, 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: 11h and 0min
The month with the most sunshine is August (Average sunshine: 11h and 6min).
The month with the least sunshine is February (Average sunshine: 4h and 6min).
Average sunshine days in July
Jefferson, OR
- Average sunshine days in July: 25.7 days
The month with the most sunshine days is July (25.7 days).
The month with the least sunshine days is February (9 days).
Average UV index in July
Jefferson, 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, November and December (UV index 2).
Average cloud cover in July
Jefferson, OR
- Average cloud cover in July: 23
The month with the most cloud cover is February (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 21).
Average visibility in July
Jefferson, OR
- Average visibility in July: 6mi
The months with the highest visibility are July, August and September (6mi).
The month with the lowest visibility is February (4mi).
Jefferson, Oregon, USA
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