May weather forecast
Sierraville, CA

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Weather in May

The last month of the spring, May, is a mild month in Sierraville, California, with an average temperature varying between 60.6°F (15.9°C) and 35.8°F (2.1°C).

Temperature

The shift from April to May is marked by an increase in the average high-temperature, moving from a cool 51.4°F (10.8°C) to a refreshing 60.6°F (15.9°C). During May, the nighttime temperature presents a clear descent from the daily peaks, falling to an average of 35.8°F (2.1°C).

Humidity

In Sierraville, the average relative humidity in May is 62%.

Rainfall

In Sierraville, in May, during 11.8 rainfall days, 2.05" (52mm) of precipitation is typically accumulated. In Sierraville, California, during the entire year, the rain falls for 80.1 days and collects up to 22.95" (583mm) of precipitation.

Snowfall

January through June, September through December are months with snowfall. In May, it is snowing for 2.8 days. Throughout May, 2.76" (70mm) of snow is accumulated. Throughout the year, there are 69.3 snowfall days, and 103.5" (2629mm) of snow is accumulated.

Daylight

The average length of the day in May is 14h and 23min.
On the first day of the month, sunrise is at 6:01 am and sunset at 7:55 pm. On the last day of May, sunrise is at 5:35 am and sunset at 8:22 pm PDT.

Sunshine

The average sunshine in May is 10.6h.

UV index

In Sierraville, the average daily maximum UV index in May is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for average individuals.
Note: In May, the maximum UV index of 4 transforms into these recommendations:
Exercise care. People with light skin might get burns in fewer than 30 minutes. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Experience reduced UV exposure by about half when donning a wide-brim hat. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Updated: Aug 29, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are May temperatures?

In Sierraville, in May, the average high-temperature is 60.6°F (15.9°C), and the average low-temperature is 35.8°F (2.1°C).

What is the average humidity in May?

In May, the average relative humidity is 62%.

How much does it rain in May?

In Sierraville, during May, the rain falls for 11.8 days and regularly aggregates up to 2.05" (52mm) of precipitation.

How much does it snow in May?

In Sierraville, California, in May, snow falls for 2.8 days, with typically accumulated 2.76" (70mm) of snow.

How many hours of daylight does Sierraville have in May?

In May, the average day length is 14h and 23min.

When are sunrise and sunset in May in Sierraville?

On the first day of May, sunrise is at 6:01 am and sunset at 7:55 pm. On the last day of the month, sunrise is at 5:35 am and sunset at 8:22 pm PDT.

How many hours of sunshine does Sierraville have in May?

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

What is the UV index reading in May?

In Sierraville, the average daily maximum UV index in May is 4. A UV Index reading of 3 to 5 represents a moderate health threat from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Sierraville, CA

Average temperature in May - Sierraville, CA
  • Average high temperature in May: 60.6°F

The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is December (37.2°F).

  • Average low temperature in May: 35.8°F

The month with the highest average low temperature is July (47.5°F).
The coldest month (with the lowest average low temperature) is December (21.6°F).

Average pressure in May
Sierraville, CA

Average pressure in May - Sierraville, CA
  • Average pressure in May: 29.93"Hg

The month with the highest atmospheric pressure is January (30.19"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

Average wind speed in May
Sierraville, CA

Average wind speed in May - Sierraville, CA
  • Average wind speed in May: 6.1mph

The windiest month (with the highest average wind speed) is March (6.6mph).
The calmest months (with the lowest average wind speed) are August and September (5.2mph).

Average humidity in May
Sierraville, CA

Average humidity in May - Sierraville, CA
  • Average humidity in May: 62%

The months with the highest relative humidity are January and March (81%).
The months with the lowest relative humidity are July and August (40%).

Average rainfall in May
Sierraville, CA

Average rainfall in May - Sierraville, CA
  • Average rainfall in May: 2.05"

The wettest month (with the highest rainfall) is March (4.02").
The driest month (with the least rainfall) is August (0.2").

Average rainfall days in May
Sierraville, CA

Average rainfall days in May - Sierraville, CA
  • Average rainfall days in May: 11.8 days

The month with the highest number of rainy days is May (11.8 days).
The month with the least rainy days is July (3.3 days).

Average snowfall in May
Sierraville, CA

Average snowfall in May - Sierraville, CA
  • Average snowfall in May: 2.76"

The month with the highest snowfall is December (22.52").
The months with the least snowfall are July and August (0").

Average snowfall days in May
Sierraville, CA

Average snowfall days in May - Sierraville, CA
  • Average snowfall days in May: 2.8 days

The month with the highest number of snowfall days is March (14.7 days).
The months with the least snowfall days are July and August (0 days).

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

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

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • 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 January (Average sunshine: 5h and 0min).

Average sunshine days in May
Sierraville, CA

Average sunshine days in May - Sierraville, CA
  • Average sunshine days in May: 16.6 days

The month with the most sunshine days is August (26 days).
The month with the least sunshine days is March (11.8 days).

Average UV index in May
Sierraville, CA

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

The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is November (UV index 1).

Average cloud cover in May
Sierraville, CA

Average cloud cover in May - Sierraville, CA
  • Average cloud cover in May: 28

The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 7).

Average visibility in May
Sierraville, CA

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

The months with the highest visibility are May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January and December (4mi).

Sierraville, California, USA

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