July weather forecast
John Day, OR

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The iconic Painted Hills in the famous John Day Fossil Beds National Monument, Oregon
The iconic Painted Hills in the famous John Day Fossil Beds National Monument, Oregon

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.
Updated: Jul 26, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the hottest time of year?

John Day's warmest month, July, registers temperatures that range from a high of 81.7°F (27.6°C) to a low of 48.4°F (9.1°C).

What is the usual temperature for John Day in July?

John Day in July has an average high-temperature of 81.7°F (27.6°C) and an average low-temperature of 48.4°F (9.1°C). In July, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which factors the actual air temperature with the relative humidity, is computed to be 82.4°F (28°C).

What is the average humidity in July?

In John Day, Oregon, the average relative humidity in July is 43%.

What is the driest month?

July is the month with the least rainfall in John Day. Rain falls for 3.8 days and accumulates 0.24" (6mm) of precipitation.

How many days does it rain in July?

In July, the rain falls for 3.8 days. Throughout July, 0.24" (6mm) of precipitation is accumulated.

When it does not snow?

In John Day, snow does not fall in June through August.

What is the average length of the day in July?

The average day length in July is 15h and 8min.

What time are sunrise and sunset in July?

In July, on the first day of the month, 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.

How long on average sun shines in July?

In John Day, the average sunshine duration in July is 12h.

When is the highest UV index?

With an average maximum UV index of 6, July is the month with the highest UV index.

How high is the UV index in July?

The average daily maximum UV index in July is 6. A UV Index value of 6 to 7 symbolizes a high health threat from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in July
John Day, OR

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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 / Average sunshine in July - John Day, 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
John Day, OR

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 - 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 - 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 - 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).

John Day, Oregon, USA

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