Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average snowfall in May
- Average snowfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
May brings a slight elevation in the average high-temperature, transitioning from April's 56.8°F (13.8°C) to a still refreshing 64.6°F (18.1°C). In Oakland, the May nights descend to a significantly cooler average of 38.8°F (3.8°C) compared to daytime highs.Humidity
In May, the average relative humidity is 79%.Rainfall
In May, the rain falls for 14.2 days. Throughout May, 1.81" (46mm) of precipitation is accumulated. In Oakland, during the entire year, the rain falls for 153.9 days and collects up to 27.72" (704mm) of precipitation.Snowfall
In Oakland, snow does not fall in May through October.Daylight
In Oakland, the average length of the day in May is 14h and 43min.On the first day of May, sunrise is at 6:04 am and sunset at 8:15 pm. On the last day of the month, sunrise is at 5:35 am and sunset at 8:46 pm PDT.
Sunshine
In May, the average sunshine is 8.3h.UV index
The average daily maximum UV index in May is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the average person.Note: The maximum UV index, 4 during May, leads to the following recommendations:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. When the Sun is at its strongest around midday, find shade and limit exposure. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average May temperature?
What is the average humidity in May?
How many days does it rain in May?
When it does not snow?
Does it snow in May?
How many hours of daylight does Oakland have in May?
What time are sunrise and sunset in May?
How many hours of sunshine does Oakland have in May?
How high is the UV index in May?
Average temperature in May
Oakland, OR
- Average high temperature in May: 64.6°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 May: 38.8°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 May
Oakland, OR
- Average pressure in May: 30.04"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 May
Oakland, OR
- Average wind speed in May: 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 May
Oakland, OR
- Average humidity in May: 79%
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 May
Oakland, OR
- Average rainfall in May: 1.81"
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 May
Oakland, OR
- Average rainfall days in May: 14.2 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 May
Oakland, OR
- Average snowfall in May: 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 May
Oakland, OR
- Average snowfall days in May: 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 May /
Average sunshine in May
Oakland, OR
- Average daylight in May: 14h and 4min
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 May: 8h and 2min
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 May
Oakland, OR
- Average sunshine days in May: 14.7 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 May
Oakland, OR
- Average UV index in May: 4
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 May
Oakland, OR
- Average cloud cover in May: 51
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 May
Oakland, OR
- Average visibility in May: 4mi
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).
Oakland, Oregon, USA
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