July weather forecastJohn Day, OR

July
Weather in July
July sits at the peak of summer with record high temperatures not seen in previous months. The unique weather pattern is represented by the least amount of rainfall at 0.24" (6mm). The heat encourages residents to bask in local swimming spots. Although the duration of sunshine is prolonged, the wind breezes calmly at 5.3mph (8.5km/h). The drop in relative humidity also marks this month as the driest in the year.Temperature
The warmest month is July, with an average high-temperature of 81.7°F (27.6°C) and an average low-temperature of 48.4°F (9.1°C).Heat index
The heat index in July is computed to be 82.4°F (28°C). Extended exposure and activity might lead to tiredness, potentially resulting in heat cramps.Be informed that the heat index values are oriented around shady conditions and gentle breezes. When under direct sunshine, the heat index may be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', gives a temperature feeling by integrating air temperature and humidity. The influence of weather can be personal, changing with an individual's body mass, height, and level of physical exertion. Take note that direct exposure to the sun can increase the felt temperature, possibly adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values hold particular significance for children. Young people are generally more susceptible than adults because they perspire less. Furthermore, their proportionally larger skin surface to their petite bodies and the increased heat output from their actions add to the risk.
Humidity
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 John Day, 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 in John Day, sunrise is at 5:15 am and sunset at 8:43 pm. On the last day of the month, sunrise is at 5:42 am and sunset at 8:21 pm PDT.
Sunshine
In July, the average sunshine is 12h.UV index
The month with the highest UV index is July, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV rays for average individuals.Note: During July, 6 as the daily maximum UV index converts into the following advice:
Undertake precautions and comply with sun safety standards. Protection from skin and eye injury is vital. It's important to stay in the shade and limit exposure to the sun from 10 a.m. to 4 p.m., when UV radiation is most intense, although remember that shade structures may not provide full sun protection. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
John Day, 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
John Day, 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
John Day, 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
John Day, 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
John Day, 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
John Day, 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
John Day, 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
John Day, 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
John Day, OR
- Average daylight in July: 15h and 6min
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
John Day, 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
John Day, 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
John Day, 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
John Day, 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).





