May weather forecast
Hat Creek, CA

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Weather in May

The last month of the spring, May, is a comfortable month in Hat Creek, California, with an average temperature varying between 66.9°F and 40.6°F.

Temperature

The shift from April to May brings an increase in the average high-temperature, moving from 57.7°F to a still refreshing 66.9°F. A significant temperature decrease to an average an icy 40.6°F characterizes Hat Creek's nighttime temperatures during May.

Humidity

In May, the average relative humidity is 60%.

Rainfall

In Hat Creek, during May, the rain falls for 11.5 days and regularly aggregates up to 2.2" of precipitation. Throughout the year, in Hat Creek, California, there are 105 rainfall days, and 24.69" of precipitation is accumulated.

Snowfall

Months with snowfall in Hat Creek, California, are January through May, October through December. May is the last month it regularly snows in Hat Creek. During 0.4 snowfall days, in May, Hat Creek aggregates 0.2" of snow. In Hat Creek, during the entire year, snow falls for 36.7 days and aggregates up to 43.62" of snow.

Daylight

In May, the average length of the day is 14h and 30min.
On the first day of the month, sunrise is at 6:04 am and sunset at 8:02 pm. On the last day of May, in Hat Creek, sunrise is at 5:36 am and sunset at 8:31 pm PDT.

Sunshine

The average sunshine in May is 11.1h.

UV index

In Hat Creek, the average daily maximum UV index in May is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: A maximum daily UV index of 4 during May morphs into the following directions:
Make use of precautions - It is urged to ward off sun damage. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
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FAQ

What are the temperatures in Hat Creek in May?

The high-temperature in Hat Creek during May is 66.9°F and the low-temperature is 40.6°F.

What is the average humidity in May in Hat Creek?

In May, the average relative humidity in Hat Creek, California, is 60%.

How many days does it rain in May in Hat Creek?

In Hat Creek, during May, the rain falls for 11.5 days and regularly aggregates up to 2.2" of precipitation.

What is the last month it snows in Hat Creek?

May is the last month it regularly snows. During 0.4 snowfall days, in May, Hat Creek aggregates 0.2" of snow.

How many hours of daylight does Hat Creek have in May?

In Hat Creek, California, the average day length in May is 14h and 30min.

When are sunrise and sunset in May in Hat Creek?

In May, on the first day of the month, sunrise is at 6:04 am and sunset at 8:02 pm. On the last day of the month, in Hat Creek, sunrise is at 5:36 am and sunset at 8:31 pm PDT.

How long on average sun shines in May in Hat Creek?

In Hat Creek, the average sunshine duration in May is 11.1h.

How high is the UV index in May in Hat Creek?

In Hat Creek, the average daily maximum UV index in May is 4. A UV Index estimate of 3 to 5 represents a moderate health threat from unsafe exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Hat Creek, CA

Average temperature in May - Hat Creek, CA
  • Average high temperature in May: 66.9°F

The warmest month (with the highest average high temperature) is July (86.7°F).
The month with the lowest average high temperature is December (43.3°F).

  • Average low temperature in May: 40.6°F

The month with the highest average low temperature is July (53.1°F).
The coldest month (with the lowest average low temperature) is December (27.9°F).

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Average pressure in May
Hat Creek, CA

Average pressure in May - Hat Creek, CA
  • Average pressure in May: 29.95"Hg

The month with the highest atmospheric pressure is January (30.18"Hg).
The months with the lowest atmospheric pressure are June and August (29.92"Hg).

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Average wind speed in May
Hat Creek, CA

Average wind speed in May - Hat Creek, CA
  • Average wind speed in May: 5.4mph

The windiest month (with the highest average wind speed) is March (5.8mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).

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Average humidity in May
Hat Creek, CA

Average humidity in May - Hat Creek, CA
  • Average humidity in May: 60%

The months with the highest relative humidity are January and March (79%).
The months with the lowest relative humidity are July and August (40%).

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Average rainfall in May
Hat Creek, CA

Average rainfall in May - Hat Creek, CA
  • Average rainfall in May: 2.2"

The wettest month (with the highest rainfall) is March (4.45").
The driest month (with the least rainfall) is July (0.16").

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Average rainfall days in May
Hat Creek, CA

Average rainfall days in May - Hat Creek, CA
  • Average rainfall days in May: 11.5 days

The month with the highest number of rainy days is April (14.5 days).
The month with the least rainy days is August (2.3 days).

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Average snowfall in May
Hat Creek, CA

Average snowfall in May - Hat Creek, CA
  • Average snowfall in May: 0.2"

The month with the highest snowfall is March (10.43").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in May
Hat Creek, CA

Average snowfall days in May - Hat Creek, CA
  • Average snowfall days in May: 0.4 days

The month with the highest number of snowfall days is March (8 days).
The months with the least snowfall days are June, July and August (0 days).

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Average daylight in May /
Average sunshine in May
Hat Creek, CA

Average daylight in May / Average sunshine in May - Hat Creek, CA
  • Average daylight in May: 14h and 3min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • 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 42min).

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Average sunshine days in May
Hat Creek, CA

Average sunshine days in May - Hat Creek, CA
  • Average sunshine days in May: 16.8 days

The month with the most sunshine days is August (26 days).
The month with the least sunshine days is March (11.3 days).

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Average UV index in May
Hat Creek, CA

Average UV index in May - Hat Creek, CA
  • Average UV index in May: 4

The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in May
Hat Creek, CA

Average cloud cover in May - Hat Creek, CA
  • Average cloud cover in May: 24

The month with the most cloud cover is March (Cloud cover 42).
The months with the least cloud cover are July and August (Cloud cover 6).

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Average visibility in May
Hat Creek, CA

Average visibility in May - Hat Creek, CA
  • Average visibility in May: 6mi

The months with the highest visibility are February, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, March and December (5mi).

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Hat Creek, California, USA

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