May weather forecast
Glen Ellen, CA

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Weather in May

The last month of the spring, May, is a pleasant month in Glen Ellen, California, with temperature in the range of an average high of 71.2°F (21.8°C) and an average low of 48.4°F (9.1°C).

Temperature

The commencement of May introduces an average high-temperature of an agreeable 71.2°F (21.8°C), closely mirroring the preceding month. Glen Ellen reports a substantial plunge from daytime highs during the nights of May, with an average low-temperature of 48.4°F (9.1°C).

Humidity

In Glen Ellen, the average relative humidity in May is 67%.

Rainfall

In Glen Ellen, California, in May, it is raining for 5.1 days, with typically 0.75" (19mm) of accumulated precipitation. In Glen Ellen, California, during the entire year, the rain falls for 73.3 days and collects up to 15.47" (393mm) of precipitation.

Daylight

In May, the average length of the day in Glen Ellen, California, is 14h and 17min.
On the first day of the month, sunrise is at 6:12 am and sunset at 8:02 pm. On the last day of May, sunrise is at 5:48 am and sunset at 8:27 pm PDT.

Sunshine

The average sunshine in May in Glen Ellen, California, is 10.6h.

UV index

In Glen Ellen, the average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: A maximum UV index of 5 in May translates into the following recommendations:
Undertake precautions - It is suggested to shield oneself from sunburn. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
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Frequently asked questions

What is the usual temperature for Glen Ellen in May?

In Glen Ellen, in May, the average high-temperature is 71.2°F (21.8°C), and the average low-temperature is 48.4°F (9.1°C).

What is the average humidity in May in Glen Ellen?

In Glen Ellen, California, the average relative humidity in May is 67%.

How much does it rain in Glen Ellen in May?

In Glen Ellen, California, in May, during 5.1 rainfall days, 0.75" (19mm) of precipitation is typically accumulated.

What is the average length of the day in May in Glen Ellen?

The average day length in May in Glen Ellen, California, is 14h and 17min.

When is the sunrise / sunset in May in Glen Ellen?

In May, on the first day of the month, sunrise is at 6:12 am and sunset at 8:02 pm. On the last day of the month, in Glen Ellen, California, sunrise is at 5:48 am and sunset at 8:27 pm PDT.

How long on average sun shines in May in Glen Ellen?

In Glen Ellen, the average sunshine duration in May is 10.6h.

What is the UV index reading in May in Glen Ellen?

In May, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a medium health risk from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Glen Ellen, CA

Average temperature in May - Glen Ellen, CA
  • Average high temperature in May: 71.2°F

The warmest month (with the highest average high temperature) is August (82.9°F).
The month with the lowest average high temperature is December (55°F).

  • Average low temperature in May: 48.4°F

The month with the highest average low temperature is August (54.9°F).
The coldest month (with the lowest average low temperature) is December (41.4°F).

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Average pressure in May
Glen Ellen, CA

Average pressure in May - Glen Ellen, CA
  • Average pressure in May: 29.97"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

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Average wind speed in May
Glen Ellen, CA

Average wind speed in May - Glen Ellen, CA
  • Average wind speed in May: 6.2mph

The windiest month (with the highest average wind speed) is May (6.2mph).
The calmest month (with the lowest average wind speed) is November (4.4mph).

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Average humidity in May
Glen Ellen, CA

Average humidity in May - Glen Ellen, CA
  • Average humidity in May: 67%

The month with the highest relative humidity is March (76%).
The month with the lowest relative humidity is September (59%).

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Average rainfall in May
Glen Ellen, CA

Average rainfall in May - Glen Ellen, CA
  • Average rainfall in May: 0.75"

The wettest month (with the highest rainfall) is February (3.43").
The driest months (with the least rainfall) are July and August (0.04").

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Average rainfall days in May
Glen Ellen, CA

Average rainfall days in May - Glen Ellen, CA
  • Average rainfall days in May: 5.1 days

The month with the highest number of rainy days is March (13.4 days).
The month with the least rainy days is August (0.8 days).

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Average daylight in May /
Average sunshine in May
Glen Ellen, CA

Average daylight in May / Average sunshine in May - Glen Ellen, CA
  • Average daylight in May: 14h and 2min

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in May: 10h and 4min

The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 36min).

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Average sunshine days in May
Glen Ellen, CA

Average sunshine days in May - Glen Ellen, CA
  • Average sunshine days in May: 24.1 days

The month with the most sunshine days is July (28.7 days).
The month with the least sunshine days is March (16.1 days).

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Average UV index in May
Glen Ellen, CA

Average UV index in May - Glen Ellen, CA
  • Average UV index in May: 5

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 3).

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Average cloud cover in May
Glen Ellen, CA

Average cloud cover in May - Glen Ellen, CA
  • Average cloud cover in May: 26

The month with the most cloud cover is March (Cloud cover 40).
The month with the least cloud cover is July (Cloud cover 8).

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Average visibility in May
Glen Ellen, CA

Average visibility in May - Glen Ellen, CA
  • Average visibility in May: 6mi

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

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Glen Ellen, California, USA

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