May weather forecast
Etna, CA

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Weather in May

May, the last month of the spring in Etna, is an enjoyable month, with temperature in the range of an average low of 38.7°F (3.7°C) and an average high of 63.9°F (17.7°C).

Temperature

In Etna, the average high-temperature in May slightly rises, from a cool 55°F (12.8°C) in April, to an enjoyable 63.9°F (17.7°C). Etna records a marked daily temperature contrast, with an average low-temperature of 38.7°F (3.7°C) during the nights of May.

Humidity

In May, the average relative humidity in Etna is 68%.

Rainfall

In Etna, during May, the rain falls for 12.6 days and regularly aggregates up to 1.61" (41mm) of precipitation. Throughout the year, there are 116 rainfall days, and 17.8" (452mm) of precipitation is accumulated.

Snowfall

May through September are months without snowfall in Etna.

Daylight

In Etna, the average length of the day in May is 14h and 32min.
On the first day of May, sunrise is at 6:07 am and sunset at 8:09 pm. On the last day of the month, sunrise is at 5:40 am and sunset at 8:38 pm PDT.

Sunshine

The average sunshine in May in Etna, California, is 10.9h.

UV index

The average daily maximum UV index in May in Etna is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for average individuals.
Note: A daily maximum UV index of 4 in May translates into the following instructions:
Exercise caution. Those with pale skin may experience burns in less than half an hour. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
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Frequently asked questions

What is the temperature in May in Etna?

An average high-temperature, in May, in Etna, is 63.9°F (17.7°C) and the average low-temperature is 38.7°F (3.7°C).

What is the average humidity in May in Etna?

In Etna, the average relative humidity in May is 68%.

How much does it rain in Etna in May?

In Etna, during May, the rain falls for 12.6 days and regularly aggregates up to 1.61" (41mm) of precipitation.

When it does not snow in Etna?

May through September are months without snowfall in Etna, California.

Does it snow in Etna in May?

In May, in Etna, it doesn't snow. April is the latest month when it typically snows.

How many hours of daylight does Etna have in May?

The average day length in May is 14h and 32min.

When are sunrise and sunset in May in Etna?

In May, on the first day of the month, sunrise is at 6:07 am and sunset at 8:09 pm. On the last day of the month, sunrise is at 5:40 am and sunset at 8:38 pm PDT.

How many hours of sunshine does Etna have in May?

In May, the average sunshine duration is 10.9h.

What is the UV index reading in May in Etna?

The average daily maximum UV index in May in Etna is 4. A UV Index estimate of 3 to 5 represents a medium hazard to health from unprotected exposure to UV radiation.
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
Etna, CA

Average temperature in May - Etna, CA
  • Average high temperature in May: 63.9°F

The warmest months (with the highest average high temperature) are July and August (84.2°F).
The month with the lowest average high temperature is December (41.5°F).

  • Average low temperature in May: 38.7°F

The month with the highest average low temperature is August (50.2°F).
The coldest month (with the lowest average low temperature) is December (26.6°F).

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Average pressure in May
Etna, CA

Average pressure in May - Etna, CA
  • Average pressure in May: 29.99"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is August (29.96"Hg).

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Average wind speed in May
Etna, CA

Average wind speed in May - Etna, CA
  • Average wind speed in May: 4.5mph

The windiest month (with the highest average wind speed) is March (5.4mph).
The calmest month (with the lowest average wind speed) is August (3.6mph).

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Average humidity in May
Etna, CA

Average humidity in May - Etna, CA
  • Average humidity in May: 68%

The month with the highest relative humidity is January (82%).
The month with the lowest relative humidity is August (52%).

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Average rainfall in May
Etna, CA

Average rainfall in May - Etna, CA
  • Average rainfall in May: 1.61"

The wettest month (with the highest rainfall) is December (2.99").
The driest month (with the least rainfall) is July (0.16").

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Average rainfall days in May
Etna, CA

Average rainfall days in May - Etna, CA
  • Average rainfall days in May: 12.6 days

The month with the highest number of rainy days is March (16.7 days).
The month with the least rainy days is July (3.2 days).

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Average snowfall in May
Etna, CA

Average snowfall in May - Etna, CA
  • Average snowfall in May: 0"

The month with the highest snowfall is February (5.39").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in May
Etna, CA

Average snowfall days in May - Etna, CA
  • Average snowfall days in May: 0.2 days

The month with the highest number of snowfall days is February (7.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in May /
Average sunshine in May
Etna, CA

Average daylight in May / Average sunshine in May - Etna, 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 12min).

  • Average sunshine in May: 10h and 5min

The month with the most sunshine is July (Average sunshine: 12h and 6min).
The months with the least sunshine are January and December (Average sunshine: 5h and 42min).

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Average sunshine days in May
Etna, CA

Average sunshine days in May - Etna, CA
  • Average sunshine days in May: 16.2 days

The month with the most sunshine days is August (25.7 days).
The month with the least sunshine days is March (11 days).

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Average UV index in May
Etna, CA

Average UV index in May - Etna, CA
  • Average UV index in May: 4

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

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Average cloud cover in May
Etna, CA

Average cloud cover in May - Etna, CA
  • Average cloud cover in May: 30

The months with the most cloud cover are March and December (Cloud cover 43).
The month with the least cloud cover is August (Cloud cover 8).

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Average visibility in May
Etna, CA

Average visibility in May - Etna, CA
  • Average visibility in May: 6mi

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

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Etna, California, USA

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