May Weather in South Lake Tahoe, United States

Last updated: February 24, 2025

In South Lake Tahoe during May, temperatures showcase a delightful range, with a maximum hitting 27°C (81°F), an average of 9°C (48°F), and a minimum dropping to -9°C (17°F). This month also brings about 65 mm (2.6 in) of precipitation over approximately 10 days, contributing to a humidity level of 74%. Visitors can expect a refreshing mix of warm days and cooler nights, wrapped in a backdrop of stunning natural beauty, making May an enticing time to explore this mountainous retreat.

May Temperature in South Lake Tahoe

In May, South Lake Tahoe experiences a delightful transition into warmer weather, with temperatures reflecting a significant uplift from the preceding months. The minimum temperature of -9°C (17°F) marks a sign of spring's arrival, while the average climbs to a pleasant 9°C (48°F). The warmth peaks with a maximum of 27°C (81°F), inviting outdoor enthusiasts to enjoy the stunning alpine scenery. This month serves as a bridge to summer, showcasing a noteworthy shift as the region moves from the frigid depths of winter, with temperatures steadily increasing from an average of 0°C (32°F) in January to the balmy figures of May. The trend emphasizes the inviting nature of South Lake Tahoe in late spring, perfect for hiking, biking, and soaking in the beauty of the surrounding landscapes.

May Weather in South Lake Tahoe: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in South Lake Tahoe, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec323134394859686759483931
Data source: Temperature data for South Lake Tahoe generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

May Precipitation in South Lake Tahoe

In May, South Lake Tahoe experiences a notable shift in precipitation patterns as spring transitions towards summer. With an average of 65 mm (2.6 in) of rain over 10 days, May signifies the end of the heavier winter rains that characterize the earlier months. This decline in precipitation, following April’s more substantial 76 mm (3.0 in), indicates a potential drying trend as the region anticipates warmer weather ahead. May's precipitation marks a gradual but significant reduction compared to the winter months—like January with 177 mm (7.0 in) and February with 180 mm (7.1 in)—while still maintaining a steady number of wet days. This pattern sets the stage for the much drier conditions that will define the summer months, including June's mere 14 mm (0.6 in).

May Precipitation Trends in South Lake Tahoe

The chart displays monthly precipitation patterns in South Lake Tahoe, with values for each month alongside May's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec1771801587665141312164783139
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in South Lake Tahoe

In May, South Lake Tahoe experiences a notable shift in humidity, dropping to 74% as spring begins to give way to summer. This reduction marks a significant change from the preceding months, where humidity levels remained consistently high, averaging around 84% in January and February, and gradually decreasing to 81% in April. The transition continues into June, where humidity dips further to 64%, indicating that the region is moving towards the drier summer months. This steady decline from the lush moistness of early spring to the more arid conditions of mid-summer highlights how South Lake Tahoe’s climate transitions from the cooler, wetter season to warmer, less humid days.

May Average Humidity in South Lake Tahoe

This chart illustrates the average monthly humidity levels in South Lake Tahoe, with May's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how May's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec84%84%83%81%74%64%44%37%44%65%84%83%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in South Lake Tahoe

As May arrives in South Lake Tahoe, the UV Index soars to 13, placing it firmly in the extreme exposure category with a burn time of just 10 minutes. This marks a continuation of a trend observed since March, when the UV Index first reached the very high threshold. The rapid increase in UV exposure from early spring, peaking this month, serves as a reminder for locals and visitors alike to prioritize sun safety. With a slow decline expected as summer peaks, those venturing outdoors should remain vigilant against overexposure. For more detailed information, visit the South Lake Tahoe UV Index.

Maximum UV Index Levels in South Lake Tahoe for May

The chart shows the monthly maximum UV Index (UVI) for South Lake Tahoe in May, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec469111312121110753
Data source: South Lake Tahoe May UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

May Sunshine in South Lake Tahoe

As spring gives way to summer, May shines brightly in South Lake Tahoe, boasting an impressive 352 hours of sunshine. This month marks a delightful peak in daylight hours, incrementally building from the beginning of the year, when January offered a mere 154 hours. The trend is clear: with each passing month, the sun becomes increasingly generous, culminating in June’s peak of 388 hours. By May, locals and visitors alike can revel in longer days ideal for outdoor adventures, from hiking scenic trails to basking on the lakeside. The gradual increase in sunlight not only lifts spirits but also showcases the region’s breathtaking natural beauty, as vibrant wildflowers start bursting into bloom, inviting everyone to embrace the joys of the season.

Monthly Sunshine Duration in South Lake Tahoe: May Highlighted

The May sunshine duration represents the total number of hours South Lake Tahoe experiences direct sunlight during the month of May, excluding cloudy or obstructed periods. This chart compares the sunshine duration of May with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec154h213h257h307h352h388h397h364h322h286h229h191h
Data source: South Lake Tahoe May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in South Lake Tahoe During May

As spring gives way to summer, the likelihood of sunny weather in South Lake Tahoe dramatically increases, peaking in May with a remarkable 76% chance of sunshine. This upward trend, evident from a modest 34% in January to 68% in April, highlights the gradual transition toward brighter days. Each month sees a steady rise in sunlight, culminating in the summer months where June reaches 79% and August soars to 91%. The pattern reflects a beautiful journey from the wintry haze of winter through the crisp awakening of spring, ultimately leading to the sun-drenched days of summer, making May an ideal time to embrace the outdoors in this stunning alpine setting.

Percentage of Sunny Days in May in South Lake Tahoe

The chart illustrates the percentage of sunny days in South Lake Tahoe throughout the year, with May highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often South Lake Tahoe experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec34%50%55%68%76%79%74%91%83%52%53%33%
Data source: South Lake Tahoe May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in South Lake Tahoe in May

In South Lake Tahoe, the transition into May marks a delightful increase in daylight duration, lighting up the days with a yielding 14 hours of sunshine. This is a continuation of a gradual ascent that begins in January, where the longer days slowly emerge from the winter months. By May, the sunlight has significantly extended from the 9 hours in January to a bountiful 14 hours, providing ample time for outdoor adventures amidst the breathtaking scenery. As the summer months approach, June and July maintain this generous daylight, fostering a vibrant atmosphere perfect for hiking, boating, and soaking in the natural beauty. However, as the year progresses into late summer and autumn, a gentle decline in daylight hours begins, reminding us of the cyclical rhythm of the seasons.

Average Daylight Hours in South Lake Tahoe for May

The chart illustrates the variation in daylight duration in South Lake Tahoe throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 46m10h 44m11h 59m13h 15m14h 19m14h 50m14h 33m13h 36m12h 23m11h 7m10h 1m9h 27m
Data source: South Lake Tahoe daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in South Lake Tahoe

In South Lake Tahoe, May ushers in a gentle breeze, maintaining an average wind speed of 2.1 m/s (5 mph), consistent with the preceding months. This steady wind pattern reflects the region's gradual transition into summer, where conditions remain mild and inviting. As winter recedes, the wind speeds show minor fluctuations, peaking slightly in December at 2.4 m/s and dipping to their lowest in November at 1.8 m/s. The overall trend indicates a reliable and calming atmosphere in May, perfect for outdoor activities and enjoying the breathtaking views that this beautiful destination has to offer.

Average May Wind Speed in South Lake Tahoe

The chart displays monthly wind speed patterns in South Lake Tahoe, with values for each month shown alongside May's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how May's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec2.12.12.22.12.1 m/s2.21.92.02.02.11.82.4
Data source: South Lake Tahoe May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in South Lake Tahoe Compares to Other Months

The weather in South Lake Tahoe changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of May's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in South Lake Tahoe and find detailed weather information for every month.

When comparing the weather in May and January, distinct differences emerge. May typically enjoys milder temperatures, with an average of 9°C (48°F) and highs reaching up to 27°C (81°F), while January is much colder, averaging around 0°C (32°F) and peaking at just 12°C (54°F). Additionally, May experiences less precipitation, with 65 mm (2.6 in) over about 10 days, contrasted with January’s significantly higher rainfall of 177 mm (7.0 in) over the same number of days. The humidity levels also differ, with January being slightly more humid at 84% compared to May’s 74%. For more detailed insights about January weather, you can visit South Lake Tahoe weather in January.

In comparing the weather of May and February, May offers a milder climate with temperatures ranging from a chilly minimum of -9°C (17°F) to a pleasant maximum of 27°C (81°F), averaging around 9°C (48°F). In stark contrast, February experiences colder conditions, with temperatures dipping to a minimum of -16°C (3°F) and peaking at a maximum of 16°C (61°F), averaging -1°C (31°F). Furthermore, February sees significantly higher precipitation levels, totaling 180 mm (7.1 in) over 11 days, compared to May's 65 mm (2.6 in) spread across 10 days. The humidity in February is also higher at 84%, compared to May's 74%. For more detailed information about February weather, you can visit South Lake Tahoe weather in February.

In comparing the weather between May and March, notable differences emerge. May typically sees a more comfortable temperature range, with minimums around -9°C (17°F) and average highs of 27°C (81°F), while March temperatures are cooler, averaging around 1°C (34°F) with maximums reaching only 16°C (61°F). Precipitation is also a significant factor; March experiences heavier rainfall, totaling 158 mm (6.2 in) over approximately 14 days, compared to May’s lighter 65 mm (2.6 in) across 10 days. Additionally, humidity levels are slightly higher in March at 83% compared to May's 74%. For more detailed insights into March weather, visit South Lake Tahoe weather in March.

In comparing the weather conditions of May and April, we see a noticeable increase in temperatures. May experiences minimum temperatures of -9°C (17°F) and maximums reaching 27°C (81°F), yielding an average of 9°C (48°F), while April's temperatures range from a minimum of -13°C (8°F) to a maximum of 21°C (70°F), averaging 4°C (40°F). Additionally, May has slightly less precipitation at 65 mm (2.6 in) over 10 days compared to April's 76 mm (3.0 in) during 8 days. Humidity levels also drop in May to 74%, down from April's higher average of 81%. For a more detailed look at April's climate, you can visit South Lake Tahoe weather in April.

In May, temperatures in South Lake Tahoe range significantly, with a minimum of -9°C (17°F) and a maximum reaching 27°C (81°F). The average temperature settles at around 9°C (48°F), and the month experiences a fair amount of precipitation, totaling 65 mm (2.6 in) over about 10 days, contributing to a higher humidity level of 74%.

In contrast, June brings warmer conditions, with temperatures ranging from a minimum of -2°C (30°F) to a maximum of 31°C (88°F) and an average of 15°C (60°F). The month sees significantly less precipitation, only 14 mm (0.6 in) spread over just 4 days, leading to a lower humidity level of 64%. For more detailed insights on June's weather, you can visit South Lake Tahoe weather in June.

May and July present a stark contrast in weather patterns. In May, temperatures range from a chilly minimum of -9°C (17°F) to a pleasant average of 9°C (48°F), peaking at a maximum of 27°C (81°F). This month also experiences more precipitation, receiving about 65 mm (2.6 in) over 10 days with a humidity level of 74%. In contrast, July boasts a much milder climate, with temperatures starting at a minimum of 5°C (42°F), averaging around 20°C (68°F), and reaching highs of 33°C (92°F). With significantly reduced precipitation of only 13 mm (0.5 in) across just 4 days and a lower humidity of 44%, July offers a drier and warmer experience. For a detailed look at July weather, you can explore South Lake Tahoe weather in July.

In May, the weather is generally cooler, with temperatures ranging from a chilly -9°C (17°F) to a pleasant average of 9°C (48°F), peaking at 27°C (81°F). This month experiences moderate precipitation of 65 mm (2.6 in) over about 10 days, and the humidity is relatively high at 74%. In contrast, August offers warmer conditions, with temperatures starting at a minimum of 5°C (42°F) and averaging 19°C (67°F), reaching a maximum of 33°C (91°F). Rainfall is significantly less in August, totaling only 12 mm (0.5 in) across 4 days, and the humidity drops to a comfortable 36%. For more insights, check the details on South Lake Tahoe weather in August.

In comparing the weather of May and September, it’s clear that both months exhibit distinct characteristics. May experiences a broader temperature range with minimums of -9°C and maximums reaching up to 27°C, alongside considerable precipitation of 65 mm spread over 10 days, creating a humid atmosphere at 74%. In contrast, September offers milder temperatures, with lows of -3°C and highs climbing to 32°C; the weather is much drier, featuring only 16 mm of rain over just 4 days and a reduced humidity of 44%. This shift makes September a more pleasant and stable time for outdoor activities compared to the often unpredictable spring weather. For more detailed insights, you can check South Lake Tahoe weather in September.

May and October in South Lake Tahoe exhibit similar average temperatures, both around 9°C (48°F), but the month of May tends to experience wider temperature fluctuations, with a minimum of -9°C (17°F) and a maximum reaching 27°C (81°F). In contrast, October sees slightly milder temperatures, ranging from a minimum of -7°C (20°F) to a maximum of 27°C (80°F). Precipitation is more frequent in May, with rain expected on about 10 days and a total of 65 mm (2.6 in), whereas October enjoys only 3 days of rainfall, accumulating 47 mm (1.9 in). Additionally, May has a higher humidity level of 74%, compared to October's 65%. For more specifics on October weather, you can check out South Lake Tahoe weather in October.

May and November exhibit notable differences in weather patterns. In May, temperatures range from a chilly minimum of -9°C (17°F) to a pleasant average of 9°C (48°F), with highs reaching up to 27°C (81°F). The month experiences about 65 mm (2.6 in) of precipitation over approximately 10 days, with a humidity level of 74%. In contrast, November presents cooler conditions, with a minimum temperature of -10°C (14°F) and an average temperature of 4°C (39°F). The maximum temperature is typically around 21°C (71°F), and precipitation increases to 83 mm (3.3 in) over just 7 days, accompanied by a higher humidity of 84%. For more detailed information, you can refer to South Lake Tahoe weather in November.

May and December present distinctly different weather conditions. In May, temperatures range from a chilly minimum of -9°C (17°F) to a comfortable average of 9°C (48°F), peaking at a maximum of 27°C (81°F). The month experiences 65 mm (2.6 in) of precipitation over about 10 days, with a humidity level of 74%. In contrast, December sees even colder conditions, with temperatures dipping to a minimum of -12°C (11°F) and averaging -1°C (31°F), while highs reach only 14°C (58°F). Additionally, precipitation increases significantly to 139 mm (5.5 in), also spread across 10 days, and humidity rises to 83%. For more specifics on winter conditions, check South Lake Tahoe weather in December.

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Conclusion: What to Expect From May Weather in South Lake Tahoe

As May arrives in South Lake Tahoe, the weather begins to shift noticeably from the chill of winter, bringing a gentle warmth that marks the transition to summer. With temperatures reaching a pleasant maximum of 27°C (81°F) during the day, the region welcomes visitors to enjoy outdoor activities amidst stunning natural beauty. However, the evenings still carry a cool breeze, reminding us that spring isn’t quite over, as temperatures can dip to a brisk -9°C (17°F). Unlike the wetter months that precede it, May sees moderate rainfall—about 65 mm over 10 days—creating a refreshing atmosphere without overwhelming the area. Moreover, the elevated humidity level of 74% contributes to the lush greenery that makes South Lake Tahoe a tranquil escape. For more insights into the region’s captivating weather patterns, visit South Lake Tahoe Climate.