May weather forecast and climate
Granite Bay, CA

Weather in May

May, the last month of the spring, in Granite Bay, is a moderately hot month, with average temperature varying between 50.5°F (10.3°C) and 75.2°F (24°C).

Temperature

In May, the average high-temperature slightly increases, from an enjoyable 67.3°F (19.6°C) in April, to a moderately hot 75.2°F (24°C). In May, in Granite Bay, California, the average low-temperature is 50.5°F (10.3°C).

Humidity

In Granite Bay, the average relative humidity is 59%.

Rainfall

In Granite Bay, during May, the rain falls for 6.3 days and regularly aggregates up to 1.26" (32mm) of precipitation. Throughout the year, there are 81.2 rainfall days, and 22.64" (575mm) of precipitation is accumulated.

Snowfall

January, March through November are months without snowfall.

Daylight

In Granite Bay, California, the average length of the day in May is 14.3h.

Sunshine

The average sunshine in Granite Bay is 11h.

UV index

The average daily maximum UV index in Granite Bay is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from the exposure to the Sun's UV rays for the ordinary person.
Note: The average daily UV index of 5 in May transform into the following instructions:
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. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

What is the temperature in May in Granite Bay?

The average high-temperature, in May, is 75.2°F (24°C), while the average low-temperature is 50.5°F (10.3°C).

What is the average humidity in May in Granite Bay?

In Granite Bay, the average relative humidity in May is 59%.

How many days does it rain in May in Granite Bay?

In May, in Granite Bay, the rain falls for 6.3 days. Throughout May, 1.26" (32mm) of precipitation is accumulated.

When it does not snow in Granite Bay?

January, March through November are months without snowfall in Granite Bay.

What is the average length of the day in May in Granite Bay?

The average length of the day in May in Granite Bay, California, is 14.3h.

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

In May, the average sunshine in Granite Bay is 11h.

What is the UV index reading in May in Granite Bay?

In Granite Bay, California, the average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a medium health risk from unprotected exposure to the UV radiation.

Average temperature in May
Granite Bay, CA

Average temperature in May - Granite Bay, CA
  • Average high temperature in May: 75.2°F

The warmest month (with the highest average high temperature) is July (93°F).
The month with the lowest average high temperature is December (54°F).

  • Average low temperature in May: 50.5°F

The month with the highest average low temperature is July (60.3°F).
The coldest month (with the lowest average low temperature) is December (39.6°F).

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Average pressure in May
Granite Bay, CA

Average pressure in May - Granite Bay, CA
  • Average pressure in May: 29.95"

The month with the highest atmospheric pressure is January (30.16").
The month with the lowest atmospheric pressure is June (29.9").

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Average wind speed in May
Granite Bay, CA

Average wind speed in May - Granite Bay, CA
  • Average wind speed in May: 4.8mph

The windiest month (with the highest average wind speed) is February (5.5mph).
The calmest months (with the lowest average wind speed) are August and September (4mph).

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Average humidity in May
Granite Bay, CA

Average humidity in May - Granite Bay, CA
  • Average humidity in May: 59%

The month with the highest relative humidity is March (74%).
The month with the lowest relative humidity is July (40%).

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Average rainfall in May
Granite Bay, CA

Average rainfall in May - Granite Bay, CA
  • Average rainfall in May: 1.26"

The wettest month (with the highest rainfall) is March (4.33").
The driest months (with the least rainfall) are July and August (0.04").

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Average rainfall days in May
Granite Bay, CA

Average rainfall days in May - Granite Bay, CA
  • Average rainfall days in May: 6.3 days

The month with the highest number of rainy days is March (14.6 days).
The month with the least rainy days is July (1 days).

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Average snowfall in May
Granite Bay, CA

Average snowfall in May - Granite Bay, CA
  • Average snowfall in May: 0"

Months with the highest snowfall are February and December (0.04").
Months with the least snowfall are January, March, April, May, June, July, August, September, October and November (0").

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Average snowfall days in May
Granite Bay, CA

Average snowfall days in May - Granite Bay, CA
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is December (0.2 days).
Months with the least snowfall days are January, March, April, May, June, July, August, September, October and November (0 days).

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

Average daylight in May / Average sunshine in May - Granite Bay, CA
  • Average daylight in May: 14.3h

The month with the longest days is June (Average daylight: 14.8h).
The month with the shortest days is December (Average daylight: 9.5h).

  • Average sunshine in May: 11h

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 in May
Granite Bay, CA

Average sunshine days in May - Granite Bay, CA
  • Average sunshine days in May: 23.9 days

The month with the most sunshine days is July (29.2 days).
The month with the least sunshine days is March (15.7 days).

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Average UV index in May
Granite Bay, CA

Average UV index in May - Granite Bay, CA
  • Average UV index in May: 5

Months with the highest UV index are June and July (UV index 7).
Months with the lowest UV index are January, February, November and December (UV index 3).

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Average cloud cover in May
Granite Bay, CA

Average cloud cover in May - Granite Bay, CA
  • Average cloud cover in May: 20

The month with the most cloud cover is March (Cloud cover 38).
The month with the least cloud cover is July (Cloud cover 4).

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Average visibility in May
Granite Bay, CA

Average visibility in May - Granite Bay, CA
  • Average visibility in May: 6mi

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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