May weather forecast
Discovery Bay, CA

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Weather in May

The last month of the spring, May, is a warm month in Discovery Bay, California, with an average temperature ranging between max 75.6°F (24.2°C) and min 50.5°F (10.3°C).

Temperature

A slight uplift of average high-temperatures is noted in May, with temperatures adjusting from an agreeable 69.4°F (20.8°C) in April to a warm 75.6°F (24.2°C). Throughout May, Discovery Bay registers a distinct decrease from daytime highs, reaching an average low of 50.5°F (10.3°C).

Humidity

In Discovery Bay, California, the average relative humidity in May is 60%.

Rainfall

In Discovery Bay, during May, the rain falls for 4 days and regularly aggregates up to 0.43" (11mm) of precipitation. Throughout the year, there are 62 rainfall days, and 10.16" (258mm) of precipitation is accumulated.

Snowfall

January through November are months without snowfall.

Daylight

The average length of the day in May is 14h and 14min.
On the first day of May, sunrise is at 6:09 am and sunset at 7:57 pm. On the last day of the month, sunrise is at 5:45 am and sunset at 8:22 pm PDT.

Sunshine

In May, the average sunshine is 11.2h.

UV index

The average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the average person.
Note: The maximum daily UV index of 5 in May interprets into the following recommendations:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.

Frequently asked questions

What is the usual temperature for Discovery Bay in May?

Discovery Bay in May has an average high-temperature of 75.6°F (24.2°C) and an average low-temperature of 50.5°F (10.3°C).

What is the average humidity in May?

In Discovery Bay, California, the average relative humidity in May is 60%.

How much does it rain in May?

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

When it does not snow?

January through November are months without snowfall.

What is the average length of the day in May?

In May, the average day length is 14h and 14min.

When are sunrise and sunset in May?

In May, on the first day of the month, sunrise is at 6:09 am and sunset at 7:57 pm. On the last day of the month, in Discovery Bay, sunrise is at 5:45 am and sunset at 8:22 pm PDT.

How long on average sun shines in May in Discovery Bay?

In Discovery Bay, the average sunshine duration in May is 11.2h.

What is the UV index intensity in May?

In May, the average daily maximum UV index in Discovery Bay is 5. A UV Index reading of 3 to 5 represents a medium health risk from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Discovery Bay, CA

Average temperature in May - Discovery Bay, 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).

Average pressure in May
Discovery Bay, CA

Average pressure in May - Discovery Bay, 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).

Average wind speed in May
Discovery Bay, CA

Average wind speed in May - Discovery Bay, 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).

Average humidity in May
Discovery Bay, CA

Average humidity in May - Discovery Bay, 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%).

Average rainfall in May
Discovery Bay, CA

Average rainfall in May - Discovery Bay, 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").

Average rainfall days in May
Discovery Bay, CA

Average rainfall days in May - Discovery Bay, 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).

Average snowfall days in May
Discovery Bay, CA

Average snowfall days in May - Discovery Bay, 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).

Average daylight in May /
Average sunshine in May
Discovery Bay, CA

Average daylight in May / Average sunshine in May - Discovery Bay, CA
  • Average daylight in May: 14h and 1min

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).

  • Average sunshine in May: 11h and 1min

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).

Average sunshine days in May
Discovery Bay, CA

Average sunshine days in May - Discovery Bay, 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).

Average UV index in May
Discovery Bay, CA

Average UV index in May - Discovery Bay, 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).

Average cloud cover in May
Discovery Bay, CA

Average cloud cover in May - Discovery Bay, 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).

Average visibility in May
Discovery Bay, CA

Average visibility in May - Discovery Bay, 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).

Discovery Bay, California, USA

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