Contents
- Weather in August
- Frequently asked questions
- Average temperature in August
- Average pressure in August
- Average wind speed in August
- Average humidity in August
- Average rainfall in August
- Average rainfall days in August
- Average snowfall in August
- Average snowfall days in August
- Average daylight in August
- Average sunshine in August
- Average sunshine days in August
- Average UV index in August
- Average cloud cover in August
- Average visibility in August
Weather in August
Temperature
Ontario commences August with an average high-temperature of a still hot 91.9°F (33.3°C), maintaining a close resemblance to the previous month. The temperature in Ontario notes a substantial fall from the daily peak to an average of 62.1°F (16.7°C) during August nights.Humidity
The least humid month in Ontario is August, with an average relative humidity of 29%.Rainfall
In Ontario, in August, it is raining for 1.8 days, with typically 0.12" (3mm) of accumulated precipitation. Throughout the year, in Ontario, there are 84.9 rainfall days, and 9.29" (236mm) of precipitation is accumulated.Snowfall
May through October are months without snowfall in Ontario.Daylight
In August, the average length of the day is 13h and 57min.On the first day of the month, sunrise is at 6:36 am and sunset at 9:11 pm. On the last day of August, in Ontario, sunrise is at 7:10 am and sunset at 8:24 pm MDT.
Sunshine
In Ontario, the average sunshine in August is 11.2h.UV index
The average daily maximum UV index in August in Ontario, Oregon, is 6. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for average individuals.Note: The maximum UV index, 6 during August, leads to the following recommendations:
Take precautions and utilize sun safety practices. Protection against skin and eye damage is required. Avoid direct exposure to the Sun between 10 a.m. and 4 p.m., the peak period for UV radiation, noting that objects like parasols or canopies might not offer complete sun protection. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Frequently asked questions
How hot does it get in Ontario in August?
What is the least humid month in Ontario?
What is the average humidity in August in Ontario?
How many days does it rain in August in Ontario?
When it does not snow in Ontario?
How many hours of daylight does Ontario have in August?
When are sunrise and sunset in August in Ontario?
How many hours of sunshine does Ontario have in August?
What is the UV index intensity in August in Ontario?
Average temperature in August
Ontario, OR
- Average high temperature in August: 91.9°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 August: 62.1°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).
Average pressure in August
Ontario, OR
- Average pressure in August: 29.92"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).
Average wind speed in August
Ontario, OR
- Average wind speed in August: 5.3mph
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).
Average humidity in August
Ontario, OR
- Average humidity in August: 29%
The month with the highest relative humidity is January (82%).
The month with the lowest relative humidity is August (29%).
Average rainfall in August
Ontario, OR
- Average rainfall in August: 0.12"
The wettest month (with the highest rainfall) is December (1.57").
The driest month (with the least rainfall) is July (0.08").
Average rainfall days in August
Ontario, OR
- Average rainfall days in August: 1.8 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).
Average snowfall in August
Ontario, OR
- Average snowfall in August: 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").
Average snowfall days in August
Ontario, OR
- Average snowfall days in August: 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).
Average daylight in August /
Average sunshine in August
Ontario, OR
- Average daylight in August: 13h and 5min
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 August: 11h 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).
Average sunshine days in August
Ontario, OR
- Average sunshine days in August: 27.3 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).
Average UV index in August
Ontario, OR
- Average UV index in August: 6
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).
Average cloud cover in August
Ontario, OR
- Average cloud cover in August: 9
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).
Average visibility in August
Ontario, OR
- Average visibility in August: 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).
Ontario, Oregon, USA
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