May weather forecast
Oakley, CA

Weather in May

May, the last month of the spring in Oakley, is a moderately hot month, with temperature in the range of an average high of 75.6°F (24.2°C) and an average low of 50.5°F (10.3°C).

Temperature

In Oakley, California, the average high-temperature in May marginally rises from an agreeable 69.4°F (20.8°C) in April to a moderately hot 75.6°F (24.2°C). In May, the average low-temperature is 50.5°F (10.3°C).

Humidity

In May, the average relative humidity in Oakley is 60%.

Rainfall

In May, the rain falls for 4 days. Throughout May, 0.43" (11mm) of precipitation is accumulated. In Oakley, during the entire year, the rain falls for 62 days and collects up to 10.16" (258mm) of precipitation.

Snowfall

In Oakley, snow does not fall in January through November.

Daylight

In May, the average length of the day in Oakley is 14h and 15min.
On the first day of May in Oakley, sunrise is at 6:10 am and sunset at 7:57 pm. On the last day of the month, sunrise is at 5:46 am and sunset at 8:22 pm PDT.

Sunshine

The average sunshine in May is 11.2h.

UV index

In May, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for average individuals.
Note: In May, the average maximum UV index of 5 translate into the following recommendations:
Take precautions - Protection against sun damage is advised. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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FAQ

What is the temperature in May in Oakley?

In May, in Oakley, the average high-temperature is 75.6°F (24.2°C), and the average low-temperature is 50.5°F (10.3°C).

What is the average humidity in May in Oakley?

The average relative humidity in May in Oakley, California, is 60%.

How much does it rain in Oakley in May?

In May, in Oakley, California, the rain falls for 4 days. Throughout May, 0.43" (11mm) of precipitation is accumulated.

When it does not snow in Oakley?

In Oakley, snow does not fall in January through November.

What is the average length of the day in May in Oakley?

In Oakley, California, the average day length in May is 14h and 15min.

When are sunrise and sunset in May in Oakley?

On the first day of May in Oakley, sunrise is at 6:10 am and sunset at 7:57 pm. On the last day of the month, sunrise is at 5:46 am and sunset at 8:22 pm PDT.

How long on average sun shines in May in Oakley?

In May, the average sunshine duration is 11.2h.

What is the UV index reading in May in Oakley?

In Oakley, California, the average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a moderate health threat from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Oakley, CA

Average temperature in May - Oakley, CA
  • Average high temperature in May: 75.6°F

The warmest month (with the highest average high temperature) is July (88.5°F).
The month with the lowest average high temperature is December (55°F).

  • Average low temperature in May: 50.5°F

The month with the highest average low temperature is September (57.7°F).
The coldest month (with the lowest average low temperature) is January (41.5°F).

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Average pressure in May
Oakley, CA

Average pressure in May - Oakley, CA
  • Average pressure in May: 29.97"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

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Average wind speed in May
Oakley, CA

Average wind speed in May - Oakley, CA
  • Average wind speed in May: 7.6mph

The windiest month (with the highest average wind speed) is June (7.8mph).
The calmest months (with the lowest average wind speed) are January and November (4.5mph).

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Average humidity in May
Oakley, CA

Average humidity in May - Oakley, CA
  • Average humidity in May: 60%

The month with the highest relative humidity is January (74%).
The month with the lowest relative humidity is September (52%).

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Average rainfall in May
Oakley, CA

Average rainfall in May - Oakley, CA
  • Average rainfall in May: 0.43"

The wettest month (with the highest rainfall) is February (2.09").
The driest months (with the least rainfall) are July and August (0.04").

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Average rainfall days in May
Oakley, CA

Average rainfall days in May - Oakley, CA
  • Average rainfall days in May: 4 days

The month with the highest number of rainy days is March (12.3 days).
The month with the least rainy days is August (0.8 days).

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Average snowfall days in May
Oakley, CA

Average snowfall days in May - Oakley, CA
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is December (0.1 days).
The months with the least snowfall days are January, February, March, April, May, June, July, August, September, October and November (0 days).

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Average daylight in May /
Average sunshine in May
Oakley, CA

Average daylight in May / Average sunshine in May - Oakley, CA
  • Average daylight in May: 14h and 15min

The month with the longest days is June (Average daylight: 14h and 46min).
The month with the shortest days is December (Average daylight: 9h and 35min).

  • Average sunshine in May: 11h and 12min

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 48min).

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Average sunshine days in May
Oakley, CA

Average sunshine days in May - Oakley, CA
  • Average sunshine days in May: 26.6 days

The month with the most sunshine days is August (29.8 days).
The month with the least sunshine days is March (17.7 days).

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Average UV index in May
Oakley, CA

Average UV index in May - Oakley, CA
  • Average UV index in May: 5

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 3).

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Average cloud cover in May
Oakley, CA

Average cloud cover in May - Oakley, CA
  • Average cloud cover in May: 19

The months with the most cloud cover are March and December (Cloud cover 35).
The month with the least cloud cover is July (Cloud cover 5).

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Average visibility in May
Oakley, CA

Average visibility in May - Oakley, CA
  • Average visibility in May: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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