July weather forecast
Ontario, OR

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Weather in July

July is a tropical summer month in Ontario, Oregon, with an average temperature varying between 62.2°F (16.8°C) and 93.2°F (34°C).

Temperature

The warmest month is July, with an average high-temperature of 93.2°F (34°C) and an average low-temperature of 62.2°F (16.8°C).

Humidity

The average relative humidity in July is 30%.

Rainfall

The month with the least rainfall is July, when the rain falls for 2.5 days and typically collects 0.08" (2mm) of precipitation.

Snowfall

In Ontario, snow does not fall in May through October.

Daylight

In July, the average length of the day in Ontario is 15h and 5min.
On the first day of July, sunrise is at 6:09 am and sunset at 9:34 pm. On the last day of the month, sunrise is at 6:35 am and sunset at 9:12 pm MDT.

Sunshine

With an average of 12.1h of sunshine, July has the most sunshine of the year in Ontario.

UV index

The month with the highest UV index in Ontario is July, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In July, the UV index of 7 transforms into the following advice:
Ward off overexposure. Defence against solar harm is crucial. Limit your direct sun exposure, especially between 10 a.m. and 4 p.m., when UV radiation is strongest. Shade structures might not provide complete sun protection. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
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Frequently asked questions

What is the hottest time of year in Ontario?

Temperature records in Ontario mark July as the warmest month, with highs averaging 93.2°F (34°C) and lows at 62.2°F (16.8°C).

How hot is it in Ontario in July?

The high-temperature, in July, in Ontario, is 93.2°F (34°C), while the low-temperature averages to 62.2°F (16.8°C). The average heat index (a.k.a. 'apparent temperature', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, in June is estimated at 80.6°F (27°C).

What is the average humidity in July in Ontario?

In July, the average relative humidity in Ontario is 30%.

What is the driest month in Ontario?

The month with the least rainfall is July, when the rain falls for 2.5 days and typically collects 0.08" (2mm) of precipitation.

How many days does it rain in July in Ontario?

In Ontario, Oregon, in July, during 2.5 rainfall days, 0.08" (2mm) of precipitation is typically accumulated.

When it does not snow in Ontario?

In Ontario, snow does not fall in May through October.

How many hours of daylight does Ontario have in July?

In Ontario, the average day length in July is 15h and 5min.

When is the sunrise / sunset in July in Ontario?

On the first day of July, sunrise is at 6:09 am and sunset at 9:34 pm. On the last day of the month, sunrise is at 6:35 am and sunset at 9:12 pm MDT.

What month has the most sunshine in Ontario?

With an average of 12.1h of sunshine, July has the most sunshine of the year in Ontario.

How many hours of sunshine does Ontario have in July?

In Ontario, the average sunshine duration in July is 12.1h.

When is the highest UV index in Ontario?

July is the month with the highest UV index in Ontario, Oregon, with an average maximum UV index of 7.

What is the UV index intensity in July in Ontario?

The average daily maximum UV index in July in Ontario, Oregon, is 7. A UV Index of 6 to 7 symbolizes a high hazard to health 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
Ontario, OR

Average temperature in July - Ontario, OR
  • Average high temperature in July: 93.2°F

The warmest month (with the highest average high temperature) is July (93.2°F).
The months with the lowest average high temperature are January and December (36.1°F).

  • Average low temperature in July: 62.2°F

The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is December (23°F).

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Average pressure in July
Ontario, OR

Average pressure in July - Ontario, OR
  • Average pressure in July: 29.93"Hg

The month with the highest atmospheric pressure is January (30.24"Hg).
The months with the lowest atmospheric pressure are June and August (29.92"Hg).

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Average wind speed in July
Ontario, OR

Average wind speed in July - Ontario, OR
  • Average wind speed in July: 5.8mph

The windiest month (with the highest average wind speed) is April (6.5mph).
The calmest month (with the lowest average wind speed) is January (3.9mph).

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Average humidity in July
Ontario, OR

Average humidity in July - Ontario, OR
  • Average humidity in July: 30%

The month with the highest relative humidity is January (82%).
The month with the lowest relative humidity is August (29%).

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Average rainfall in July
Ontario, OR

Average rainfall in July - Ontario, OR
  • Average rainfall in July: 0.08"

The wettest month (with the highest rainfall) is December (1.57").
The driest month (with the least rainfall) is July (0.08").

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Average rainfall days in July
Ontario, OR

Average rainfall days in July - Ontario, OR
  • Average rainfall days in July: 2.5 days

The month with the highest number of rainy days is March (13.3 days).
The month with the least rainy days is August (1.8 days).

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Average snowfall in July
Ontario, OR

Average snowfall in July - Ontario, OR
  • Average snowfall in July: 0"

The month with the highest snowfall is December (5.35").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in July
Ontario, OR

Average snowfall days in July - Ontario, OR
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is December (7.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average daylight in July /
Average sunshine in July
Ontario, OR

Average daylight in July / Average sunshine in July - Ontario, OR
  • Average daylight in July: 15h and 1min

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).

  • Average sunshine in July: 12h and 1min

The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).

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Average sunshine days in July
Ontario, OR

Average sunshine days in July - Ontario, OR
  • Average sunshine days in July: 27.7 days

The month with the most sunshine days is July (27.7 days).
The month with the least sunshine days is February (15.2 days).

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Average UV index in July
Ontario, OR

Average UV index in July - Ontario, OR
  • Average UV index in July: 7

The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in July
Ontario, OR

Average cloud cover in July - Ontario, OR
  • Average cloud cover in July: 8

The months with the most cloud cover are January and December (Cloud cover 44).
The month with the least cloud cover is July (Cloud cover 8).

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Average visibility in July
Ontario, OR

Average visibility in July - Ontario, OR
  • Average visibility in July: 6mi

The months with the highest visibility are February, March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January and December (5mi).

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Ontario, Oregon, USA

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