May weather forecast
South Lake Tahoe, CA

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The Emerald Bay in South Lake Tahoe, California, with a side view of the mountain slope
The Emerald Bay in South Lake Tahoe, California, with a side view of the mountain slope

Weather in May

May in South Lake Tahoe signifies the true beginning of the pleasant spring season. The city is ablaze with blossoms, attracting many tourists to its picturesque landscape. The snowy blanket is now being replaced by drizzles with a merely 6.26" (159mm) of snowfall recorded. Lush greenery starts burgeon, and people can enjoy outdoor recreational activities to the fullest. The lengthening daylight hours lay out plenty of opportunities for sightseeing in and around South Lake Tahoe.

Temperature

South Lake Tahoe's May weather indicates a minor increase in high-temperatures, edging from April's chilly 45.9°F (7.7°C) to a fresh 53.6°F (12°C). During May, the temperature is averaged to a low of 33.8°F (1°C) at night.

Humidity

In May, the average relative humidity is 66%.

Rainfall

In South Lake Tahoe, in May, during 10 rainfall days, 1.89" (48mm) of precipitation is typically accumulated. In South Lake Tahoe, California, during the entire year, the rain falls for 67.1 days and collects up to 23.39" (594mm) of precipitation.

Snowfall

January through June, September through December are months with snowfall in South Lake Tahoe. In South Lake Tahoe, during May, snow falls for 4.6 days and regularly aggregates up to 6.26" (159mm) of snow. Throughout the year, there are 76 snowfall days, and 113.98" (2895mm) of snow is accumulated.

Daylight

The average length of the day in May is 14h and 19min.
On the first day of May in South Lake Tahoe, California, sunrise is at 6:00 am and sunset at 7:53 pm. On the last day of the month, sunrise is at 5:36 am and sunset at 8:19 pm PDT.

Sunshine

In South Lake Tahoe, the average sunshine in May is 10.6h.

UV index

The average daily maximum UV index in May is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.
Note: The maximum UV index of 3 during May leads to these instructions:
Take precautions - Protection against sun damage is advised. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
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Frequently asked questions

What is the average May temperature in South Lake Tahoe?

In South Lake Tahoe, 53.6°F (12°C) is the average high-temperature and 33.8°F (1°C) is the average low-temperature during May.

What is the average humidity in May in South Lake Tahoe?

In May, the average relative humidity in South Lake Tahoe, California, is 66%.

How many days does it rain in May in South Lake Tahoe?

In South Lake Tahoe, California, during May, the rain falls for 10 days and regularly aggregates up to 1.89" (48mm) of precipitation.

How much does it snow in South Lake Tahoe in May?

In South Lake Tahoe, during May, snow falls for 4.6 days and regularly aggregates up to 6.26" (159mm) of snow.

What is the average length of the day in May in South Lake Tahoe?

The average day length in May in South Lake Tahoe is 14h and 19min.

What time are sunrise and sunset in May in South Lake Tahoe?

On the first day of May, sunrise is at 6:00 am and sunset at 7:53 pm. On the last day of the month, sunrise is at 5:36 am and sunset at 8:19 pm PDT.

How many hours of sunshine does South Lake Tahoe have in May?

In May, the average sunshine duration in South Lake Tahoe, California, is 10.6h.

What is the UV index intensity in May in South Lake Tahoe?

In May, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a moderate vulnerability from exposure to the Sun's 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
South Lake Tahoe, CA

Average temperature in May - South Lake Tahoe, CA
  • Average high temperature in May: 53.6°F

The warmest month (with the highest average high temperature) is July (73.9°F).
The month with the lowest average high temperature is December (35.8°F).

  • Average low temperature in May: 33.8°F

The month with the highest average low temperature is July (46.8°F).
The coldest month (with the lowest average low temperature) is December (21°F).

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Average pressure in May
South Lake Tahoe, CA

Average pressure in May - South Lake Tahoe, CA
  • Average pressure in May: 29.94"Hg

The month with the highest atmospheric pressure is January (30.18"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

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Average wind speed in May
South Lake Tahoe, CA

Average wind speed in May - South Lake Tahoe, CA
  • Average wind speed in May: 6.5mph

The windiest month (with the highest average wind speed) is March (7.6mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).

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Average humidity in May
South Lake Tahoe, CA

Average humidity in May - South Lake Tahoe, CA
  • Average humidity in May: 66%

The month with the highest relative humidity is March (81%).
The month with the lowest relative humidity is August (42%).

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Average rainfall in May
South Lake Tahoe, CA

Average rainfall in May - South Lake Tahoe, CA
  • Average rainfall in May: 1.89"

The wettest month (with the highest rainfall) is March (4.25").
The driest month (with the least rainfall) is August (0.28").

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Average rainfall days in May
South Lake Tahoe, CA

Average rainfall days in May - South Lake Tahoe, CA
  • Average rainfall days in May: 10 days

The month with the highest number of rainy days is May (10 days).
The month with the least rainy days is February (3.5 days).

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Average snowfall in May
South Lake Tahoe, CA

Average snowfall in May - South Lake Tahoe, CA
  • Average snowfall in May: 6.26"

The month with the highest snowfall is March (27.24").
The months with the least snowfall are July and August (0").

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Average snowfall days in May
South Lake Tahoe, CA

Average snowfall days in May - South Lake Tahoe, CA
  • Average snowfall days in May: 4.6 days

The month with the highest number of snowfall days is March (15 days).
The months with the least snowfall days are July and August (0 days).

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Average daylight in May /
Average sunshine in May
South Lake Tahoe, CA

Average daylight in May / Average sunshine in May - South Lake Tahoe, 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 30min).

  • Average sunshine in May: 10h and 4min

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

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Average sunshine days in May
South Lake Tahoe, CA

Average sunshine days in May - South Lake Tahoe, CA
  • Average sunshine days in May: 16.1 days

The month with the most sunshine days is August (25.6 days).
The month with the least sunshine days is March (13.3 days).

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Average UV index in May
South Lake Tahoe, CA

Average UV index in May - South Lake Tahoe, CA
  • Average UV index in May: 3

The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, April, November and December (UV index 2).

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Average cloud cover in May
South Lake Tahoe, CA

Average cloud cover in May - South Lake Tahoe, CA
  • Average cloud cover in May: 27

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

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Average visibility in May
South Lake Tahoe, CA

Average visibility in May - South Lake Tahoe, CA
  • Average visibility in May: 6mi

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

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South Lake Tahoe, California, USA

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