August Weather in Mammoth Lakes, United States

Last updated: February 24, 2025

Experience the beauty of Mammoth Lakes, United States in August, where warm days and cool evenings create the perfect summer retreat. The maximum temperature can soar up to 30°C (86°F), while the average hovers around a comfortable 17°C (63°F), and nighttime lows can dip to 3°C (38°F). With just 11 mm (0.4 in) of precipitation spread over about 3 days, the weather remains relatively dry, allowing for plenty of outdoor adventures. Coupled with a 30% humidity, the climate is ideal for hiking, fishing, and soaking in the stunning mountain scenery. Enjoy the vibrant summer atmosphere as you explore this picturesque destination!

August Temperature in Mammoth Lakes

August in Mammoth Lakes presents a delightful contrast to the frigid winter months, as temperatures steadily rise to create a vibrant summer atmosphere. With minimum temperatures around 3°C (38°F) and average highs reaching 30°C (86°F), this month's climate is perfect for outdoor activities. Visitors can expect pleasant evenings with averages of about 17°C (63°F), ideal for stargazing or unwinding after a day of adventure. The transition from the cooler early summer days in July is evident, making August one of the most inviting times to experience this stunning area. Therefore, whether you're hiking through pristine nature or relaxing by the lakeside, Mammoth Lakes in August offers warm days and refreshing nights that beckon for exploration.

August Weather in Mammoth Lakes: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Mammoth Lakes, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec242528354356646355443525
Data source: Temperature data for Mammoth Lakes 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.

August Precipitation in Mammoth Lakes

August in Mammoth Lakes sees a significant dip in precipitation, mirroring the dry trend established in the summer months. With just 11 mm (0.4 in) of rainfall over 3 days, August continues the pattern set by June and July, where water levels plummet compared to the earlier winter months. In stark contrast to January's 130 mm (5.1 in) from 7 days of rain, August's arid conditions signal a shift towards drier summer patterns that prevail until autumn. This consistent decrease hints at a seasonal rhythm, with late summer marking a notable departure from the wetter winter and spring months, compelling visitors to embrace the sunny vistas typical of the region's warmest days.

August Precipitation Trends in Mammoth Lakes

The chart displays monthly precipitation patterns in Mammoth Lakes, with values for each month alongside August's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how August's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec1301298849401117119234981
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Mammoth Lakes

In August, Mammoth Lakes experiences its driest conditions of the year, with humidity dropping to an impressive low of 30%. This gradual decline in moisture begins in late spring, where humidity sits at a comfortable 58% in May, steadily decreasing through the summer months. By July, it reaches 36%, and continues its downward trend into August. The dry air creates a bright and clear atmosphere, ideal for outdoor activities. As summer concludes, humidity begins to rise again in September, signaling a transition toward the wetter months ahead, where levels climb back to 42%. This seasonal ebb and flow not only affects the region's climate but also enhances the stunning scenery of Mammoth Lakes throughout the year.

August Average Humidity in Mammoth Lakes

This chart illustrates the average monthly humidity levels in Mammoth Lakes, with August's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how August's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec82%85%80%72%58%49%36%30%42%59%78%79%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Mammoth Lakes

In Mammoth Lakes, August typically experiences a UV Index of 12, placing it in the extreme exposure category with a burn time of just 10 minutes. This reflects a slight decline from the peak values seen in the previous months of June and July, which maintained a consistent index of 13. Nevertheless, August remains a month where outdoor enthusiasts must prioritize sun protection, as the UV levels are still significantly high. As summer winds down, the UV Index will gradually decrease in September, starting at 10 and moving towards more moderate levels by November. For detailed insights into UV patterns throughout the year, check out the Mammoth Lakes UV Index.

Maximum UV Index Levels in Mammoth Lakes for August

The chart shows the monthly maximum UV Index (UVI) for Mammoth Lakes in August, 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.
JanFebMarAprMayJunJulAugSepOctNovDec5710131313131210864
Data source: Mammoth Lakes August 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.

August Sunshine in Mammoth Lakes

August in Mammoth Lakes, United States, shines brightly with 364 hours of sunshine, though slightly less than July's peak of 391 hours. This gradual decline is typical as summer transitions into fall, but August still boasts impressive sunshine compared to the colder months. The trend reveals that as the year progresses from January's mere 171 hours, the days grow sunnier, peaking in mid-summer before naturally tapering off in September, which offers 325 hours. This vibrant solar journey not only enhances outdoor activities but also paints a stunning backdrop for Mammoth's breathtaking landscapes, making August a delightful time to explore this alpine paradise.

Monthly Sunshine Duration in Mammoth Lakes: August Highlighted

The August sunshine duration represents the total number of hours Mammoth Lakes experiences direct sunlight during the month of August, excluding cloudy or obstructed periods. This chart compares the sunshine duration of August with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec171h230h282h321h367h388h391h364h325h294h243h211h
Data source: Mammoth Lakes August Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Mammoth Lakes During August

In August, Mammoth Lakes basks in a remarkable 91% chance of sunny weather, making it one of the sunniest months of the year. This peak comes after a steady rise from 47% in January to 81% in June, showcasing how summer unfolds beautifully in this picturesque locale. Following August, September maintains a close proximity with a 90% chance of sunshine, ensuring that summer's lingering warmth continues to delight visitors. As the season shifts toward autumn, the likelihood of sun gradually decreases, with October dropping to 65%. Overall, this trend illustrates Mammoth Lakes' welcoming embrace of sunshine, particularly in the heart of summer, making August an ideal time for outdoor adventures and breathtaking views.

Percentage of Sunny Days in August in Mammoth Lakes

The chart illustrates the percentage of sunny days in Mammoth Lakes throughout the year, with August 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 Mammoth Lakes experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec48%63%55%72%79%81%68%91%90%65%67%43%
Data source: Mammoth Lakes August chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Mammoth Lakes in August

In Mammoth Lakes, United States, August marks the tail end of a vibrant summer, featuring approximately 13 hours of daylight. This duration reflects a gradual decline from the peak of 14 hours seen in the preceding months of June and July. As summer gives way to autumn, the hours of sunlight start to recede, foreshadowing the shorter days ahead. The trend throughout the year showcases a march toward longer days in spring, culminating in the fullest sunlight of summer, before gently ebbing back as fall approaches. This rhythmic change not only influences daily activities but also highlights the stunning transitions in the region's natural beauty as seasons shift.

Average Daylight Hours in Mammoth Lakes for August

The chart illustrates the variation in daylight duration in Mammoth Lakes throughout the year, with August highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 52m10h 48m11h 59m13h 12m14h 13m14h 43m14h 26m13h 32m12h 22m11h 9m10h 6m9h 34m
Data source: Mammoth Lakes daylight hours, calculated by summing the hours between sunrise and sunset for each day.

August Winds in Mammoth Lakes

In Mammoth Lakes, the August wind brings a gentle breeze averaging 2.1 m/s (5 mph), a slight increase from the July average of 1.9 m/s (4 mph). This pattern reflects the overall stability of wind speeds throughout the year, with most months hovering around the 2.0 m/s mark. The summer months see a subtle uptick, with June reaching its peak at 2.4 m/s (5 mph). As the seasons transition into autumn, wind speeds dip slightly again, demonstrating a consistent yet tranquil breeziness that characterizes this picturesque locale. The seasonal wind patterns in Mammoth Lakes not only enhance its serene beauty but also offer a refreshing respite in the summer heat.

Average August Wind Speed in Mammoth Lakes

The chart displays monthly wind speed patterns in Mammoth Lakes, with values for each month shown alongside August's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how August's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec2.02.02.22.32.32.41.92.1 m/s2.02.31.82.4
Data source: Mammoth Lakes August wind data, generated using information from the Copernicus Climate Change Service.

How August Weather in Mammoth Lakes Compares to Other Months

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

When comparing the weather in August and January, the contrasts are striking. August typically features a mild range of temperatures, with nighttime lows around 3°C (38°F) and daytime highs averaging 30°C (86°F), complemented by low humidity at 30% and minimal precipitation of just 11 mm (0.4 in) over three days. In stark contrast, January experiences much colder conditions with minimum temperatures plunging to -23°C (-9°F) and averaging -5°C (24°F). This winter month sees significantly higher precipitation, totaling 130 mm (5.1 in) over seven days, and higher humidity at 82%. For a detailed look at what to expect, check out Mammoth Lakes weather in January.

The weather in August contrasts sharply with that of February. In August, temperatures typically range from a mild 3°C (38°F) at night to a warm maximum of 30°C (86°F), with low humidity levels of 30% and minimal precipitation of only 11 mm over about 3 days. In stark contrast, February experiences frigid conditions, featuring minimum temperatures plummeting to -21°C (-6°F) and a maximum temperature of just 13°C (56°F). This month sees significantly higher humidity levels at 85% and substantial precipitation, averaging 129 mm over approximately 9 days. For a detailed look at February's conditions, check out Mammoth Lakes weather in February.

Comparing the weather in August and March reveals stark differences in temperature and precipitation patterns. August boasts a mild range with temperatures fluctuating from a minimum of 3°C (38°F) to a maximum of 30°C (86°F), accompanied by low humidity at 30% and minimal rainfall of just 11 mm over 3 days. In contrast, March experiences a chillier climate, with temperatures plummeting to a minimum of -20°C (-4°F) and only reaching an average maximum of 15°C (58°F). This month sees significantly higher precipitation of 88 mm over 10 days and much greater humidity at 80%. The contrasting weather conditions highlight the transition from the warm summer months to the cold winter season. For more detailed information on March weather, refer to Mammoth Lakes weather in March.

In comparing the weather of August and April, a pronounced contrast emerges. August typically experiences milder temperatures, ranging from a minimum of 3°C (38°F) to a maximum of 30°C (86°F), with an average of 17°C (63°F). The month sees limited precipitation, averaging only 11 mm (0.4 in) over about 3 days, coupled with relatively low humidity at 30%. In stark contrast, April's temperatures are significantly cooler, with lows dipping to -15°C (5°F) and highs reaching 18°C (65°F), averaging around 2°C (36°F). This month is characterized by higher precipitation, about 49 mm (1.9 in) spread over 6 days, and increased humidity at 72%. For a more detailed look at April's climate in the area, check out Mammoth Lakes weather in April.

When comparing the weather in August and May, a notable difference in temperatures can be observed. August typically experiences a minimum temperature of 3°C (38°F) and an average of 17°C (63°F), reaching a maximum of 30°C (86°F), while May sees a much colder range, with minimums dropping to -12°C (11°F) and an average temperature around 6°C (43°F), peaking at 25°C (78°F). Additionally, August enjoys lower precipitation levels, with only 11 mm (0.4 in) over approximately three days, whereas May is wetter, receiving 40 mm (1.6 in) across nine days. The humidity also differs significantly, with August presenting a dry 30% compared to May's more humid 58%. For a closer look at May's weather specifics, you can visit Mammoth Lakes weather in May.

In comparing the weather of August and June, August generally offers warmer temperatures with a minimum of 3°C (38°F) and an average of 17°C (63°F), peaking at 30°C (86°F). In contrast, June starts off cooler, featuring a minimum temperature of -4°C (25°F) and an average of 14°C (57°F), with a high reaching 29°C (84°F). Both months experience similar levels of precipitation, at 11 mm (0.4 in) over 3 days, but June is notably more humid, with humidity levels at 49% compared to August's 30%. For more details on June's weather, check out Mammoth Lakes weather in June.

In comparing the weather between July and August, July tends to be slightly warmer, with an average temperature of 18°C (64°F) and a maximum reaching 31°C (87°F), compared to August's average of 17°C (63°F) and a peak of 30°C (86°F). July also experiences a bit more precipitation, with 17 mm (0.7 in) over four days, while August sees only 11 mm (0.4 in) across three days. Additionally, humidity levels are somewhat higher in July at 36%, compared to August's drier 30%. For more details, you can check Mammoth Lakes weather in July.

In August, temperatures in Mammoth Lakes are generally warmer, with an average of 17°C (63°F) and highs reaching up to 30°C (86°F). The month experiences minimal precipitation, with only 11 mm (0.4 in) recorded over three days and relatively low humidity at 30%. In contrast, September brings a noticeable dip in temperatures, featuring a minimum of -6°C (22°F) and an average of 13°C (56°F), while still maintaining the same maximum high of 30°C (86°F). Precipitation is slightly less at 9 mm (0.4 in) over just two days, but the humidity rises to 42%. For more detailed insights, you can check Mammoth Lakes weather in September.

August weather in Mammoth Lakes showcases a warmer climate, with temperatures ranging from a minimum of 3°C (38°F) to a maximum of 30°C (86°F) and an average of 17°C (63°F). The month experiences low humidity at 30% and relatively light precipitation, totaling 11 mm (0.4 in) over just three days. In contrast, October presents a significant shift, bringing cooler temperatures with a minimum of -10°C (14°F) and an average of 7°C (44°F). Although the maximum temperature reaches 24°C (75°F), the overall feel is much crisper, accompanied by higher humidity levels at 59%. October also sees an increase in precipitation, with 23 mm (0.9 in) falling over a single day, indicating a potential for more intense weather events. For more details, you can check Mammoth Lakes weather in October.

August and November present striking contrasts in weather. In August, temperatures typically range from a mild 3°C (38°F) at night to a warm 30°C (86°F) during the day, with low humidity at only 30% and minimal precipitation of 11 mm (0.4 in) over about three days. In contrast, November brings a notable chill, with average temperatures dropping to just 2°C (35°F) and nighttime lows plunging to -17°C (2°F). The month sees significantly higher precipitation, totaling 48 mm (1.9 in) over four days, accompanied by a much higher humidity level of 78%. For a more detailed look at how November weather impacts the area, you can check out Mammoth Lakes weather in November.

August and December present stark contrasts in weather conditions. In August, temperatures range from a mild 3°C (38°F) at night to a warm 30°C (86°F) during the day, with an average of 17°C (63°F). The month sees minimal precipitation of just 11 mm (0.4 in) over approximately 3 days and low humidity at 30%. In contrast, December's climate is much harsher, with nighttime lows plummeting to -19°C (-2°F) and daytime averages around -4°C (25°F), peaking at 12°C (53°F). It experiences significantly higher precipitation of 81 mm (3.2 in) spread across about 7 days, accompanied by elevated humidity levels of 79%. For more details about the weather in December, check out Mammoth Lakes weather in December.

Compare Mammoth Lakes's Climate with Cities Worldwide

Conclusion: What to Expect From August Weather in Mammoth Lakes

August in Mammoth Lakes offers a delightful reprieve from the cooler months, showcasing warmer temperatures and lower humidity levels, making it an ideal time for outdoor activities. With max temperatures reaching up to 30°C (86°F), visitors can bask in the summer sun while enjoying the picturesque scenery. Unlike the wetter months, August experiences minimal precipitation, with only a few days of rain, allowing for almost uninterrupted exploration of this stunning region. For more insights into how the weather shapes your visit throughout the year, check out Mammoth Lakes Climate.