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
Petersburg's July weather, with an average high temperature of 81.7°F (27.6°C) and an average low temperature of 54.7°F (12.6°C), tends to be the warmest of the year.Heat index
In July, the heat index is estimated at 82.4°F (28°C). Staying active during long-term exposure might result in a state of exhaustion and cause heat cramps.The metrics for the heat index are tailored for both shady environments and light winds. Heat index values may rise by up to 15 Fahrenheit (8 Celsius) degrees when exposed to direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', marries air temperature and humidity to produce a value illustrating perceived warmth. One's weather perception can be influenced by a range of factors including metabolic differences, being pregnant, and their level of physical activity. When you're directly under the sun's rays, remember that the heat index may surge by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Young children typically face greater hazards than adults because they do not sweat as much. Their larger skin surface in comparison to their little bodies and the high heat production from their active nature compounds their vulnerability.
Humidity
July and August, with an average relative humidity of 51%, are the least humid months in Petersburg.Rainfall
The month with the least rainfall is July, when the rain falls for 3.3 days and typically collects 0.16" (4mm) of precipitation.Snowfall
April through October are months without snowfall.Daylight
In Petersburg, the average length of the day in July is 15h and 16min.On the first day of July, sunrise is at 5:19 am and sunset at 8:57 pm. On the last day of the month, sunrise is at 5:47 am and sunset at 8:33 pm PDT.
Sunshine
July has the most sunshine of the year, with an average of 12h of sunshine.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 health risk from exposure to the Sun's UV rays for the ordinary person.Note: The maximum daily UV index, 6 in July, converts into the following recommendations:
Eschew overexposure. Those with light skin may suffer burns in fewer than 20 minutes. Stay in the shade and limit direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is particularly strong. Remember, however, that shade structures may not provide complete protection. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What month is the hottest?
What are July temperatures?
What are the least humid months?
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 Petersburg have in July?
What time are sunrise and sunset in July?
What month has the most sunshine?
How many hours of sunshine does Petersburg have in July?
What is the month with the highest UV index?
What is the UV index reading in July?
Average temperature in July
Petersburg, 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 (37°F).
- Average low temperature in July: 54.7°F
The month with the highest average low temperature is August (55.8°F).
The coldest month (with the lowest average low temperature) is December (27.1°F).
Average pressure in July
Petersburg, OR
- Average pressure in July: 29.98"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is August (29.96"Hg).
Average wind speed in July
Petersburg, OR
- Average wind speed in July: 6.7mph
The windiest month (with the highest average wind speed) is June (7.1mph).
The calmest months (with the lowest average wind speed) are January and December (4.8mph).
Average humidity in July
Petersburg, OR
- Average humidity in July: 51%
The months with the highest relative humidity are January and December (85%).
The months with the lowest relative humidity are July and August (51%).
Average rainfall in July
Petersburg, OR
- Average rainfall in July: 0.16"
The wettest month (with the highest rainfall) is January (2.99").
The driest month (with the least rainfall) is July (0.16").
Average rainfall days in July
Petersburg, OR
- Average rainfall days in July: 3.3 days
The month with the highest number of rainy days is March (16.3 days).
The month with the least rainy days is August (3.2 days).
Average snowfall in July
Petersburg, OR
- Average snowfall in July: 0"
The month with the highest snowfall is February (4.29").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in July
Petersburg, OR
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is December (4.4 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
Petersburg, OR
- Average daylight in July: 15h and 2min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in July: 12h and 0min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 48min).
Average sunshine days in July
Petersburg, OR
- Average sunshine days in July: 26.8 days
The month with the most sunshine days is July (26.8 days).
The month with the least sunshine days is March (10.6 days).
Average UV index in July
Petersburg, 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
Petersburg, OR
- Average cloud cover in July: 10
The month with the most cloud cover is January (Cloud cover 52).
The months with the least cloud cover are July and August (Cloud cover 10).
Average visibility in July
Petersburg, OR
- Average visibility in July: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (5mi).
Petersburg, Oregon, USA
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