August Weather in Shasta Lake, United States

Last updated: February 24, 2025

Experience the vibrant climate of Shasta Lake in August, where temperatures soar with a maximum of 43°C (110°F), providing plenty of sunshine for outdoor enthusiasts. The average temperature settles at a comfortable 27°C (81°F), while nights cool down to a refreshing minimum of 13°C (56°F). With a precipitation amount of just 1 mm (0.1 in) and zero rainy days, visitors can relish uninterrupted summer activities. The air carries a pleasant 42% humidity, making it an excellent time to explore the natural beauty and recreational opportunities that Shasta Lake has to offer.

August Temperature in Shasta Lake

In August, Shasta Lake experiences a delightful peak in summer warmth, with average temperatures reaching 27°C (81°F), perfectly suited for outdoor activities. The daytime highs can soar to a sizzling 43°C (110°F), mirroring the intense heat of July, while nighttime lows offer a milder 13°C (56°F), providing some relief. This month marks a notable consistency with the preceding summer, demonstrating a trend of elevated temperatures that gradually ramp up from the cooler months earlier in the year. With August being one of the hottest months, visitors are encouraged to embrace the sun’s embrace, as this vibrant time invites exploration and enjoyment around the stunning landscapes of Shasta Lake.

August Weather in Shasta Lake: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Shasta Lake, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec454750576676848173615244
Data source: Temperature data for Shasta Lake 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 Shasta Lake

In Shasta Lake, United States, August is marked by a significant drop in precipitation, with just 1 mm (0.1 in) of rainfall recorded, a stark contrast to the wetter months preceding it. This minimal rainfall continues the trend established in July, where no precipitation fell at all. Observations from earlier months reveal a gradual decrease in rainfall following the peak in January at 257 mm (10.1 in), with precipitation steadily tapering off towards summer. The dry conditions in August not only highlight the region's seasonal fluctuations but also serve as a prelude to the slight uptick in rainfall expected in September. Overall, the data illustrates a clear pattern of heavy winter and spring precipitation, leading to markedly dry summer months, a characteristic feature of Shasta Lake's climate.

August Precipitation Trends in Shasta Lake

The chart displays monthly precipitation patterns in Shasta Lake, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2572292171166810011179152177
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Shasta Lake

In August, Shasta Lake experiences a notable drop in humidity, plummeting to a comfortable 42%. This decline is part of a broader trend observed throughout the summer months, where humidity levels steadily decrease from a lofty 86% in January to July's 56%. This pattern reflects the region's transition from the cool, moist winter months to the dryer, warmer summer season. As residents and visitors revel in the less humid August weather, they can enjoy outdoor activities under the clear skies, before humidity gradually rises again as autumn approaches, reaching 46% in September.

August Average Humidity in Shasta Lake

This chart illustrates the average monthly humidity levels in Shasta Lake, 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.
JanFebMarAprMayJunJulAugSepOctNovDec86%87%86%83%72%67%56%42%46%67%86%86%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Shasta Lake

In August, Shasta Lake experiences a very high UV Index of 10, maintaining the intensity seen in the previous month. With a burn time of just 15 minutes, sun protection is essential for outdoor activities. This trend of rising UV levels from the earlier months highlights the importance of vigilance during the summer. May and June peaked at an extreme Index of 11, indicating a dramatic increase in solar radiation that gradually eases into September, when it drops slightly to 9. As the summer sun remains fierce, residents and visitors should stay informed about UV exposure risks and take appropriate precautions. For detailed UV insights, visit Shasta Lake UV Index.

Maximum UV Index Levels in Shasta Lake for August

The chart shows the monthly maximum UV Index (UVI) for Shasta Lake 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.
JanFebMarAprMayJunJulAugSepOctNovDec3478111110109643
Data source: Shasta Lake 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 Shasta Lake

August in Shasta Lake, United States, basks in 352 hours of sunshine, a vibrant continuation of a summer filled with warmth and light. As the summer peaks in July with 401 hours, August brings a slight decline, yet still offers plenty of sunshine for outdoor activities and relaxation. The trend throughout the year reveals a significant ramp-up from 114 hours in January, steadily climbing to its summer zenith. With May and June showcasing a remarkable transition at 353 and 388 hours, respectively, the region's longer days signal not just warmer weather but an invitation to embrace the natural beauty that envelops Shasta Lake. As fall approaches, September sees a gentle tapering to 310 hours, yet the enduring sunshine allows residents and visitors alike to savor the lingering warmth of summer as it gracefully transitions into autumn.

Monthly Sunshine Duration in Shasta Lake: August Highlighted

The August sunshine duration represents the total number of hours Shasta Lake 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.
JanFebMarAprMayJunJulAugSepOctNovDec114h186h228h284h353h388h401h352h310h275h200h162h
Data source: Shasta Lake August Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Shasta Lake During August

In August, Shasta Lake experiences a remarkable 91% chance of sunny weather, marking it as one of the sunniest months of the year. This upward trend begins in the earlier months, starting at just 30% in January and climbing steadily to a peak in late summer. As the seasons progress, the likelihood of sunshine builds from 52% in February to an impressive 86% in July, creating an inviting atmosphere for outdoor activities. The warm, bright days of August are a delightful culmination of this gradual increase, making the area a popular destination for those seeking sun-soaked skies and summer adventures. While the chance of sunny weather decreases in September to 82%, the overall summer promise of clear, sunny days is undeniably compelling for visitors and locals alike.

Percentage of Sunny Days in August in Shasta Lake

The chart illustrates the percentage of sunny days in Shasta Lake 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 Shasta Lake experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec30%52%59%73%78%82%86%91%82%49%43%35%
Data source: Shasta Lake August chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Shasta Lake in August

In Shasta Lake, United States, August marks the transition towards shorter days, as daylight duration tapers to 13 hours. Following a peak of 15 hours in June, the gradual decline reflects the shift from the vibrant energy of summer to the onset of fall. The month of August is characterized by warm evenings that linger slightly longer than those of the cooler months ahead, providing ample time for outdoor activities and breathtaking sunsets. As daylight dims in September to 12 hours, the fading summer light serves as a gentle reminder of the changing seasons, making August a bittersweet yet beautiful time in the region.

Average Daylight Hours in Shasta Lake for August

The chart illustrates the variation in daylight duration in Shasta Lake throughout the year, with August highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 37m10h 39m11h 58m13h 19m14h 28m15h 1m14h 43m13h 41m12h 24m11h 3m9h 53m9h 17m
Data source: Shasta Lake daylight hours, calculated by summing the hours between sunrise and sunset for each day.

August Winds in Shasta Lake

As summer fades into autumn, August winds in Shasta Lake, United States, present a gentle conclusion to the season. With an average wind speed of 2.0 m/s (4 mph), August reflects a slight decline from the more vibrant breezes experienced earlier in the summer, notably the peak in May at 2.5 m/s (6 mph). Throughout the year, wind speeds remain relatively consistent, primarily hovering around 2.2 m/s (5 mph) from January to July, showcasing a minimal fluctuation. This tranquil environment, characterized by soft winds, sets the stage for serene lake activities, inviting visitors to enjoy the calm before the autumn's brisk arrival.

Average August Wind Speed in Shasta Lake

The chart displays monthly wind speed patterns in Shasta Lake, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.22.32.32.22.52.12.02.0 m/s2.22.22.22.2
Data source: Shasta Lake August wind data, generated using information from the Copernicus Climate Change Service.

How August Weather in Shasta Lake Compares to Other Months

The weather in Shasta Lake 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 Shasta Lake and find detailed weather information for every month.

August and January present starkly contrasting weather conditions. In August, temperatures soar from a minimum of 13°C (56°F) to a blistering maximum of 43°C (110°F), with an average of 27°C (81°F), and virtually no precipitation, making it a dry, warm month with only 1 mm (0.1 in) of rainfall. The humidity sits at a relatively low 42%. In stark contrast, January brings much cooler temperatures, ranging from a chilly -5°C (24°F) at night to a comfortable 21°C (69°F) during the day, with an average of 7°C (45°F). This winter month is also significantly wetter, experiencing 257 mm (10.1 in) of precipitation over 13 days and a high humidity level of 86%. For those interested in the specific weather conditions of this region, you can find more details about Shasta Lake weather in January.

August and February represent stark contrasts in weather. In August, temperatures soar with a minimum of 13°C (56°F) and reaching a blistering maximum of 43°C (110°F), accompanied by very little precipitation and low humidity at 42%. In contrast, February brings much cooler temperatures, with a minimum of -4°C (25°F) and a maximum of 27°C (80°F), along with significant rainfall totaling 229 mm (9.0 in) over about 10 days, leading to a much higher humidity level of 87%. For more specific details on February weather in the region, visit Shasta Lake weather in February.

When comparing the weather in August and March, the stark differences are evident. August boasts warmer temperatures, with an average of 27°C (81°F) and maximums reaching up to 43°C (110°F), while March experiences much cooler conditions, with an average of only 10°C (50°F) and minimums dipping to -2°C (29°F). Additionally, August sees virtually no precipitation, allowing for dry, sunny days with a humidity level of 42%. In contrast, March is quite the opposite, characterized by significant rainfall totaling 217 mm (8.6 in) over 14 days and a high humidity of 86%. For a more detailed insight into March conditions, check out Shasta Lake weather in March.

In the comparison of weather conditions between April and August, significant differences emerge. April experiences cooler temperatures, with a minimum of 0°C (33°F) and an average of 14°C (58°F), while August boasts a higher minimum of 13°C (56°F) and an average of 27°C (81°F). The maximum temperatures also highlight this disparity, peaking at 32°C (90°F) in April compared to a sweltering 43°C (110°F) in August. Additionally, April is marked by substantial rainfall, with 116 mm (4.6 in) of precipitation occurring over 9 days, contributing to a high humidity level of 83%. In stark contrast, August remains dry with minimal precipitation of just 1 mm (0.1 in) and lower humidity at 42%. For more details on April weather conditions in this area, you can visit Shasta Lake weather in April.

In comparing the weather between August and May, one can see a dramatic shift in temperature and conditions. August boasts an average temperature of 27°C (81°F) with maximums reaching as high as 43°C (110°F), all while experiencing minimal precipitation of just 1 mm and 0 days of rain. In stark contrast, May offers a much cooler climate with an average temperature of 19°C (66°F), ranging from a minimum of 2°C (36°F) to a maximum of 37°C (100°F). Additionally, May is significantly wetter, receiving 68 mm (2.7 in) of precipitation over 5 days, coupled with higher humidity levels at 72%. For more specific insights into the conditions at this time, you can check out Shasta Lake weather in May.

In comparing the weather between August and June, August tends to be hotter with an average temperature of 27°C (81°F) and a maximum reaching up to 43°C (110°F), while June's average temperature is slightly lower at 25°C (76°F) with a peak of 42°C (108°F). Nonetheless, June experiences higher humidity levels at 67%, in contrast to August's drier conditions with only 42% humidity. Additionally, June sees more precipitation, averaging 10 mm (0.4 in) over one day, compared to August's virtually dry climate with only 1 mm of rainfall recorded. For a detailed look at June weather specifics, you can check Shasta Lake weather in June.

In comparing the weather of August and July, we see some notable differences and similarities. Both months experience extreme maximum temperatures reaching up to 43°C (110°F), but August offers slightly cooler average temperatures with a minimum of 13°C (56°F) compared to July's minimum of 14°C (58°F). Interestingly, while July boasts a higher average temperature of 29°C (84°F), it also has higher humidity levels at 56%, which contributes to a more oppressive heat. In contrast, August is drier with just 1 mm of precipitation and low humidity at 42%, making the heat feel more bearable. For a detailed look at July, check out Shasta Lake weather in July.

In August, the weather is characterized by warm temperatures, with a minimum of 13°C (56°F) and an average of 27°C (81°F), peaking at a scorching 43°C (110°F). The month is dry, experiencing no precipitation and maintaining a humidity level of 42%. In contrast, September sees a notable drop in minimum temperatures to 6°C (43°F) and an average of 23°C (73°F), while the maximum still reaches 42°C (108°F). This month also experiences a slight increase in precipitation, with 11 mm (0.4 in) recorded over one day, and humidity rises to 46%. For more detailed weather information, you can visit Shasta Lake weather in September.

August and October present strikingly different weather patterns. In August, temperatures soar with a minimum of 13°C (56°F), an average of 27°C (81°F), and a blistering maximum of 43°C (110°F), all while experiencing almost no precipitation and low humidity at 42%. In contrast, October brings cooler temperatures, with a minimum of 4°C (39°F), an average of 16°C (62°F), and a high of 38°C (101°F). This month is also marked by significant rainfall, totaling 79 mm (3.1 in) over four days, and an increase in humidity to 67%. For more details on the October weather specifics, check out Shasta Lake weather in October.

August and November present stark contrasts in weather conditions. August boasts warm temperatures, with averages around 27°C (81°F) and a maximum reaching up to 43°C (110°F), all while enjoying a dry atmosphere with minimal precipitation and humidity at 42%. In contrast, November brings a chillier climate, with an average temperature of 11°C (52°F) and lows dipping to -2°C (30°F). This month is marked by significantly higher precipitation, totaling 152 mm (6.0 in) over 8 rainy days, and humidity levels soaring to 86%. For more detailed insights into the conditions, check out Shasta Lake weather in November.

August and December present starkly contrasting weather conditions. In August, temperatures soar with an average of 27°C (81°F) and can peak at a scorching 43°C (110°F), while experiencing minimal precipitation and relatively low humidity at 42%. In stark contrast, December brings much cooler temperatures, with averages around 7°C (45°F) and lows dipping to -4°C (26°F). This month is also characterized by significant rainfall, with 177 mm (7.0 in) of precipitation over 12 days and a high humidity level of 86%. For more specific details on winter conditions, check out Shasta Lake weather in December.

Compare Shasta Lake's Climate with Cities Worldwide

Conclusion: What to Expect From August Weather in Shasta Lake

August at Shasta Lake offers a striking contrast to the milder temperatures of other months, with soaring highs that can reach 43°C (110°F) while maintaining an average of 27°C (81°F). The lack of precipitation, with no rainy days recorded, and a humidity level at a comfortable 42% contribute to a predominantly dry and sun-soaked climate, perfect for outdoor activities and water sports. As summer peaks, visitors can expect clear skies and warm evenings, making it an ideal time to enjoy the stunning natural beauty of the area. For more details on weather trends throughout the year, check out Shasta Lake Climate.