July weather forecastOakland, OR

July

Weather in July

July is a warm summer month in Oakland, Oregon, with an average temperature fluctuating between 46.9°F (8.3°C) and 78.6°F (25.9°C).

Temperature

The embrace of July brings a minor uplift in the average high-temperature, shifting from an agreeable 70.5°F (21.4°C) in June to a warm 78.6°F (25.9°C). Oakland experiences a dramatic descent in temperature during July, with the average nighttime reading settling at a frosty 46.9°F (8.3°C).

Humidity

July and August, with an average relative humidity of 71%, are the least humid months.

Rainfall

The month with the least rainfall is July, when the rain falls for 3.5 days and typically collects 0.2" (5mm) of precipitation.

Snowfall

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

Daylight

In July, the average length of the day is 15h and 2min.
On the first day of the month, sunrise is at 5:36 am and sunset at 8:57 pm. On the last day of July, sunrise is at 6:02 am and sunset at 8:36 pm PDT.

Sunshine

The average sunshine in July is 11h.

UV index

June through August, with an average maximum UV index of 5, are months with the highest UV index. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the average person.
Note: The maximum UV index of 5 during July leads to these instructions:
Make use of precautions - Suggestions to resist sunburn are communicated. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.

Frequently asked questions

The average high-temperature, in July, in Oakland, is 78.6°F (25.9°C), while the average low-temperature is 46.9°F (8.3°C).

July and August, with an average relative humidity of 71%, are the least humid months.

The average relative humidity in July is 71%.

The month with the least rainfall is July, when the rain falls for 3.5 days and typically collects 0.2" (5mm) of precipitation.

In Oakland, in July, it is raining for 3.5 days, with typically 0.2" (5mm) of accumulated precipitation.

May through October are months without snowfall.

The average day length in July is 15h and 2min.

On the first day of July, sunrise is at 5:36 am and sunset at 8:57 pm. On the last day of the month, sunrise is at 6:02 am and sunset at 8:36 pm PDT.

In July, the average sunshine duration is 11h.

June through August, with an average maximum UV index of 5, are months with the highest UV index.

The average daily maximum UV index in July in Oakland is 5. A UV Index value of 3 to 5 symbolizes a medium health risk from unsafe exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in July
Oakland, OR

  • Average high temperature in July: 78.6°F

The warmest month (with the highest average high temperature) is August (80.2°F).
The month with the lowest average high temperature is December (46°F).

  • Average low temperature in July: 46.9°F

The month with the highest average low temperature is August (47.8°F).
The coldest month (with the lowest average low temperature) is December (33.1°F).

Average pressure in July
Oakland, OR

  • Average pressure in July: 30.03"Hg

The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is August (30"Hg).

Average wind speed in July
Oakland, OR

  • Average wind speed in July: 3.7mph

The windiest months (with the highest average wind speed) are January and March (4mph).
The calmest month (with the lowest average wind speed) is September (3.2mph).

Average humidity in July
Oakland, OR

  • Average humidity in July: 71%

The months with the highest relative humidity are January, February and December (87%).
The months with the lowest relative humidity are July and August (71%).

Average rainfall in July
Oakland, OR

  • Average rainfall in July: 0.2"

The wettest month (with the highest rainfall) is December (4.17").
The driest month (with the least rainfall) is July (0.2").

Average rainfall days in July
Oakland, OR

  • Average rainfall days in July: 3.5 days

The month with the highest number of rainy days is March (19.8 days).
The month with the least rainy days is August (3.3 days).

Average snowfall in July
Oakland, OR

  • Average snowfall in July: 0"

The month with the highest snowfall is February (1.89").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in July
Oakland, OR

  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is February (2 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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

  • Average daylight in July: 15h and 0min

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: 11h and 0min

The month with the most sunshine is August (Average sunshine: 11h and 6min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).

Average sunshine days in July
Oakland, OR

  • Average sunshine days in July: 25.4 days

The month with the most sunshine days is July (25.4 days).
The month with the least sunshine days is February (9.7 days).

Average UV index in July
Oakland, OR

  • Average UV index in July: 5

The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in July
Oakland, OR

  • Average cloud cover in July: 29

The month with the most cloud cover is March (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 27).

Average visibility in July
Oakland, OR

  • Average visibility in July: 5mi

The months with the highest visibility are July, August and September (5mi).
The months with the lowest visibility are January, February, March, April, May, June, October, November and December (4mi).