Monthly weather forecast and climate
Discovery Bay, CA

Weather in January

January in Discovery Bay, California, is a moderate winter month, with average temperature varying between 41.5°F (5.3°C) and 56.1°F (13.4°C). In Discovery Bay, the average high-temperature is almost the same as in December - a moderate 56.1°F (13.4°C). Weather in January »

Weather in February

February, the last month of the winter, in Discovery Bay, is another mild month, with average temperature varying between 42.4°F (5.8°C) and 59.7°F (15.4°C). In February, the average high-temperature is almost the same as in January - a still moderate 59.7°F (15.4°C). Weather in February »

Weather in March

March, the first month of the spring, in Discovery Bay, is an enjoyable month, with average temperature fluctuating between 43.9°F (6.6°C) and 63.5°F (17.5°C). In March, the average high-temperature is essentially the same as in February - a comfortable 63.5°F (17.5°C). Weather in March »

Weather in April

April in Discovery Bay, California, is an agreeable spring month, with average temperature varying between 46.6°F (8.1°C) and 69.4°F (20.8°C). In April, the average high-temperature slightly increases, from an enjoyable 63.5°F (17.5°C) in March, to a pleasant 69.4°F (20.8°C). Weather in April »

Weather in May

May, the last month of the spring, in Discovery Bay, is a moderately hot month, with temperature in the range of an average low of 50.5°F (10.3°C) and an average high of 75.6°F (24.2°C). In Discovery Bay, the average high-temperature marginally rises, from a pleasant 69.4°F (20.8°C) in April, to a moderately hot 75.6°F (24.2°C). Weather in May »

Weather in June

The first month of the summer, June, is also a moderately hot month in Discovery Bay, California, with average temperature ranging between min 55°F (12.8°C) and max 84.4°F (29.1°C). In Discovery Bay, the average high-temperature in June slightly increases, from a warm 75.6°F (24.2°C) in May, to a still moderately hot 84.4°F (29.1°C). Weather in June »

Weather in July

July is a tropical summer month in Discovery Bay, California, with average temperature varying between 88.5°F (31.4°C) and 56.5°F (13.6°C). July is the warmest month, with an average high-temperature of 88.5°F (31.4°C) and an average low-temperature of 56.5°F (13.6°C). In July, the average heat index is calculated to a tropical 93.2°F (34°C). Weather in July »

Weather in August

The last month of the summer, August, is also a hot month in Discovery Bay, California, with average temperature fluctuating between 57.4°F (14.1°C) and 87.4°F (30.8°C). In August, the average high-temperature is relatively the same as in July - a still tropical 87.4°F (30.8°C). Weather in August »

Weather in September

September, the first month of the autumn, in Discovery Bay, is still a warm month, with average temperature fluctuating between 57.7°F (14.3°C) and 85.3°F (29.6°C). In September, the average high-temperature is almost the same as in August - a moderately hot 85.3°F (29.6°C). Weather in September »

Weather in October

October, the same as September, is a moderately hot autumn month in Discovery Bay, California, with temperature in the range of an average high of 75.9°F (24.4°C) and an average low of 54°F (12.2°C). In Discovery Bay, the average high-temperature drops, from 85.3°F (29.6°C) in September, to a still moderately hot 75.9°F (24.4°C). Weather in October »

Weather in November

The last month of the autumn, November, is also an enjoyable month in Discovery Bay, California, with temperature in the range of an average high of 63.9°F (17.7°C) and an average low of 46.6°F (8.1°C). In Discovery Bay, the average high-temperature decreases, from a moderately hot 75.9°F (24.4°C) in October, to an enjoyable 63.9°F (17.7°C). Weather in November »

Weather in December

The first month of the winter, December, is still a cool month in Discovery Bay, California, with average temperature ranging between min 41.7°F (5.4°C) and max 55°F (12.8°C). With an average high-temperature of 55°F (12.8°C) and an average low-temperature of 41.7°F (5.4°C), December is the coldest month. Weather in December »
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FAQ

What is the most humid month in Discovery Bay?

January is the most humid month in Discovery Bay, California, with an average relative humidity of 74%.

How many days does it rain in Discovery Bay?

Throughout the year, in Discovery Bay, there are 62 rainfall days, and 10.16" (258mm) of precipitation is accumulated.

How many days does it snow in Discovery Bay?

In Discovery Bay, during the entire year, snow falls for 0.1 days.

When it does not snow in Discovery Bay?

January through November are months without snowfall in Discovery Bay.

When is the lowest UV index in Discovery Bay?

Months with the lowest UV index in Discovery Bay are January, February, November and December, with an average maximum UV index of 3.

What is the rainiest month in Discovery Bay?

February is the month with the most rainfall in Discovery Bay. Rain falls for 7.8 days and accumulates 2.09" (53mm) of precipitation.

When are the longest days in Discovery Bay?

June has the longest days of the year in Discovery Bay, California, with an average of 14.8h of daylight.

What is the month with the highest UV index in Discovery Bay?

June through August, with an average maximum UV index of 6, are months with the highest UV index in Discovery Bay.

What is the warmest month in Discovery Bay?

With an average high-temperature of 88.5°F (31.4°C) and an average low-temperature of 56.5°F (13.6°C), July is the warmest month.

What is the driest month in Discovery Bay?

July and August are months with the least rain in Discovery Bay, California, when the rain falls for 1.3 days and typically aggregates up to 0.04" (1mm) of rain.

What month has the most sunshine in Discovery Bay?

With an average of 12.1h of sunshine, July has the most sunshine of the year in Discovery Bay, California.

What is the least humid month in Discovery Bay?

The least humid month in Discovery Bay, California, is September, with an average relative humidity of 52%.

What is the coldest month in Discovery Bay?

The coldest month in Discovery Bay, California, is December, with an average high-temperature of 55°F (12.8°C) and an average low-temperature of 41.7°F (5.4°C).

When does it snow in Discovery Bay?

The only month with snowfall in Discovery Bay, California, is December.

When does it snow the most in Discovery Bay?

December has the most snowfall days of the year in Discovery Bay. Snow falls for 0.1 days.

What is the month with the shortest days in Discovery Bay?

With an average of 9.6h of daylight, December has the shortest days of the year in Discovery Bay.

What is the month with the least sunshine in Discovery Bay?

December has the least sunshine of the year, with an average of 5.8h of sunshine.

Average temperature
Discovery Bay, CA

Average temperature - Discovery Bay, CA

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).

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
Discovery Bay, CA

Average pressure - Discovery Bay, CA

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

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Average wind speed
Discovery Bay, CA

Average wind speed - Discovery Bay, CA

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
Discovery Bay, CA

Average humidity - Discovery Bay, CA

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
Discovery Bay, CA

Average rainfall - Discovery Bay, CA

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
Discovery Bay, CA

Average rainfall days - Discovery Bay, CA

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
Discovery Bay, CA

Average snowfall days - Discovery Bay, CA

The month with the highest number of snowfall days is December (0.1 days).
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 / Average sunshine
Discovery Bay, CA

Average daylight / Average sunshine - Discovery Bay, CA

The month with the longest days is June (Average daylight: 14.8h).
The month with the shortest days is December (Average daylight: 9.6h).

The month with the most sunshine is July (Average sunshine: 12.1h).
The month with the least sunshine is December (Average sunshine: 5.8h).

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Average sunshine days
Discovery Bay, CA

Average sunshine days - Discovery Bay, CA

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
Discovery Bay, CA

Average UV index - Discovery Bay, CA

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

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Average visibility
Discovery Bay, CA

Average visibility - Discovery Bay, CA

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

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