July weather forecast
Petersburg, OR

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Weather in July

July in Petersburg, Oregon, is a moderately hot summer month, with an average temperature varying between 54.7°F (12.6°C) and 81.7°F (27.6°C).

Temperature

Petersburg's temperatures tend to reach their peak averages in July, with a high of 81.7°F (27.6°C) and a low of 54.7°F (12.6°C).

Heat index

July's heat index is estimated at 82.4°F (28°C). If one continues to be active during exposure, it might cause tiredness and subsequent heat cramps.
Be advised, the heat index considers values for conditions in shade and with a light breeze. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is the result of factoring in humidity to the air temperature, indicating perceived warmth. Factors encompassing physical activity, clothing, and metabolic differences have a role in shaping the individual's impression of temperature. Be mindful that being in direct sunlight might mean feeling hotter, with the heat index rising by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Kids are usually in more danger than grown-ups as they tend to sweat less. Plus, their bigger skin surface in relation to their small frames and increased heat generation due to their activity level make them more susceptible.

Humidity

July and August, with an average relative humidity of 51%, are the least humid months in Petersburg.

Rainfall

July is the month with the least rainfall in Petersburg. Rain falls for 3.3 days and accumulates 0.16" (4mm) of precipitation.

Snowfall

April through October are months without snowfall.

Daylight

In Petersburg, Oregon, the average length of the day in July is 15h and 16min.
On the first day of the month, sunrise is at 5:19 am and sunset at 8:57 pm. On the last day of July, in Petersburg, sunrise is at 5:47 am and sunset at 8:33 pm PDT.

Sunshine

The month with the most sunshine is July, with an average of 12h of sunshine.

UV index

The month with the highest UV index in Petersburg is July, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for the average person.
Note: The average daily UV index of 6 in July transforms into the following instructions:
Stick with precautions and abide by sun safety procedures. Evading sunburn is essential. Remember that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. Make an effort to avoid direct sun exposure during these hours. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
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Frequently asked questions

What time of the year is the hottest in Petersburg?

The warmest time of the year in Petersburg, Oregon, is July, with temperatures averaging a high of 81.7°F (27.6°C) and a low of 54.7°F (12.6°C).

What is the average July temperature in Petersburg?

The high-temperature in Petersburg, Oregon, during July is 81.7°F (27.6°C) and the low-temperature is 54.7°F (12.6°C). The average heat index (a.k.a. 'feels like', 'real feel'), which factors the actual air temperature with the relative humidity, in July is estimated at 82.4°F (28°C).

What are the least humid months in Petersburg?

The months with the lowest humidity are July and August, with an average relative humidity of 51%.

What is the average humidity in July in Petersburg?

In Petersburg, the average relative humidity in July is 51%.

What is the driest month in Petersburg?

July is the month with the least rainfall in Petersburg. Rain falls for 3.3 days and accumulates 0.16" (4mm) of precipitation.

How much does it rain in Petersburg in July?

In Petersburg, Oregon, during July, the rain falls for 3.3 days and regularly aggregates up to 0.16" (4mm) of precipitation.

When it does not snow in Petersburg?

April through October are months without snowfall.

How many hours of daylight does Petersburg have in July?

In Petersburg, Oregon, the average day length in July is 15h and 16min.

When are sunrise and sunset in July in Petersburg?

On the first day of July in Petersburg, Oregon, 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.

What month has the most sunshine in Petersburg?

July has the most sunshine of the year in Petersburg, with an average of 12h of sunshine.

How many hours of sunshine does Petersburg have in July?

In Petersburg, Oregon, the average sunshine duration in July is 12h.

When is the highest UV index in Petersburg?

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

What is the UV index reading in July in Petersburg?

In July, the average daily maximum UV index in Petersburg is 6. A UV Index value of 6 to 7 symbolizes a high health threat from unprotected exposure to UV radiation.
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
Petersburg, OR

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).

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Average pressure in July
Petersburg, OR

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).

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Average wind speed in July
Petersburg, OR

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).

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Average humidity in July
Petersburg, OR

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%).

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Average rainfall in July
Petersburg, OR

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").

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Average rainfall days in July
Petersburg, OR

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).

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Average snowfall in July
Petersburg, OR

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").

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Average snowfall days in July
Petersburg, OR

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).

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

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).

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Average sunshine days in July
Petersburg, OR

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).

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Average UV index in July
Petersburg, OR

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).

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Average cloud cover in July
Petersburg, OR

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).

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Average visibility in July
Petersburg, OR

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).

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Petersburg, Oregon, USA

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