May weather forecast
McArthur, CA

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Weather in May

May, the last month of the spring in McArthur, is a refreshing month, with an average temperature varying between 40.6°F (4.8°C) and 66.9°F (19.4°C).

Temperature

The arrival of May brings an increase in high-temperatures, moving from a mild 57.7°F (14.3°C) in April to a comfortable 66.9°F (19.4°C). McArthur, in May, displays a significant temperature downturn during the night, with an average reading of 40.6°F (4.8°C).

Humidity

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

Rainfall

In McArthur, during May, the rain falls for 11.5 days and regularly aggregates up to 2.2" (56mm) of precipitation. In McArthur, California, during the entire year, the rain falls for 105 days and collects up to 24.69" (627mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. May is the last month it regularly snows in McArthur. During 0.4 snowfall days, in May, McArthur aggregates 0.2" (5mm) of snow. In McArthur, during the entire year, snow falls for 36.7 days and aggregates up to 43.62" (1108mm) of snow.

Daylight

The average length of the day in May in McArthur is 14h and 30min.
On the first day of the month, sunrise is at 6:02 am and sunset at 8:02 pm. On the last day of May, in McArthur, sunrise is at 5:35 am and sunset at 8:31 pm PDT.

Sunshine

In May, the average sunshine in McArthur is 11.1h.

UV index

In McArthur, the average daily maximum UV index in May is 4. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.
Note: In May, the maximum UV index of 4 transforms into these recommendations:
Ensure safety - Imperative it is to shield skin and eyes from damage. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
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Frequently asked questions

What are the temperatures in McArthur in May?

The high-temperature, in May, in McArthur, is 66.9°F (19.4°C), while the low-temperature averages to 40.6°F (4.8°C).

What is the average humidity in May in McArthur?

The average relative humidity in May is 60%.

How much does it rain in McArthur in May?

In McArthur, California, in May, it is raining for 11.5 days, with typically 2.2" (56mm) of accumulated precipitation.

What is the last month it snows in McArthur?

May is the last month it regularly snows. During 0.4 snowfall days, in May, McArthur aggregates 0.2" (5mm) of snow.

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

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

When are sunrise and sunset in May in McArthur?

On the first day of May, sunrise is at 6:02 am and sunset at 8:02 pm. On the last day of the month, sunrise is at 5:35 am and sunset at 8:31 pm PDT.

How long on average sun shines in May in McArthur?

In May, the average sunshine duration is 11.1h.

What is the UV index intensity in May in McArthur?

The average daily maximum UV index in May in McArthur, California, is 4. A UV Index reading of 3 to 5 represents a moderate health threat from exposure to Sun's UV rays.
Average humidity
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
McArthur, CA

Average temperature in May - McArthur, 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
McArthur, CA

Average pressure in May - McArthur, 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
McArthur, CA

Average wind speed in May - McArthur, 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
McArthur, CA

Average humidity in May - McArthur, 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
McArthur, CA

Average rainfall in May - McArthur, 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
McArthur, CA

Average rainfall days in May - McArthur, 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
McArthur, CA

Average snowfall in May - McArthur, 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
McArthur, CA

Average snowfall days in May - McArthur, 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
McArthur, CA

Average daylight in May / Average sunshine in May - McArthur, 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
McArthur, CA

Average sunshine days in May - McArthur, 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
McArthur, CA

Average UV index in May - McArthur, 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
McArthur, CA

Average cloud cover in May - McArthur, 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
McArthur, CA

Average visibility in May - McArthur, 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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McArthur, California, USA

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