Last updated: February 24, 2025
May brings a delightful mix of weather to Shasta Lake, United States, characterized by impressive temperature fluctuations and moderate precipitation. With a maximum temperature soaring to 37°C (100°F) and an average hovering around a pleasant 19°C (66°F), residents and visitors can enjoy sunny days while staying prepared for cooler nights, as the minimum temperature can dip to 2°C (36°F). The month sees an average precipitation amount of 68 mm (2.7 in) spread over 5 days, contributing to the region's lush greenery. Despite the warmth, the humidity level at 72% adds a hint of tropical feel, creating a vibrant atmosphere perfect for outdoor activities and exploration.
In May, Shasta Lake experiences a delightful transition into warmer temperatures, with minimums around 2°C (36°F) and an inviting average of 19°C (66°F). The mercury can soar to a striking maximum of 37°C (100°F), marking a significant jump compared to previous months. This gradual warming trend from earlier months hints at the onset of summer, providing perfect conditions for outdoor activities by the lake. As the environment shifts from the crisp chill of winter and early spring, visitors can relish longer, sunnier days and the vibrant beauty of nature in full bloom. Overall, May's temperatures set a promising stage for the summer ahead, making it an ideal time to enjoy Shasta Lake’s stunning landscapes.
In Shasta Lake, May marks a significant decline in precipitation, with only 68 mm (2.7 in) recorded, a sharp drop from the 116 mm (4.6 in) in April. This decrease corresponds to a reduction in rainy days as well, with just 5 days of precipitation in May compared to 9 days in the previous month. The trend is clear: as spring transitions into summer, Shasta Lake experiences a notable shift toward drier conditions, setting the stage for the markedly arid months of June and July, which see 10 mm (0.4 in) and 0 mm (0.0 in) of precipitation respectively. This seasonal pattern highlights the region's distinct climate, where the lush, wet months give way to a dry spell, shaping both the ecosystem and the activities around the lake.
In Shasta Lake, United States, humidity experiences a notable decline as spring transitions into summer. While May sees a relatively comfortable humidity level of 72%, this marks a significant drop from the wetter months earlier in the year, such as January and February, both peaking at 86%. As temperatures rise through June and July, humidity continues to decrease, reaching a low of 56%, reflecting the region's shift towards a drier climate. This pattern of decreasing humidity not only enhances the overall comfort of the warmer months but also offers a stark contrast to the humidity-rich ambiance experienced during the fall and winter, with levels returning to 86% by November.
As May approaches in Shasta Lake, residents and visitors can expect a noteworthy surge in UV intensity, with the UV Index soaring to an extreme level of 11. This represents a significant increase from the previous months, where sunshine seekers enjoyed moderate exposure in January and February before facing high levels in March and very high in April. With a burn time of just 10 minutes, it's crucial to take precautions. This trend is consistent with the escalating UV rays leading into summer, as June also registers an extreme UV Index of 11. To stay safe, ensure you’re well-armed with sunscreen and protective clothing during this peak season. For more detailed information on UV levels throughout the year, visit Shasta Lake UV Index.
UV Risk Categories
As spring gives way to summer, Shasta Lake basks in the brilliance of May sunshine, boasting an impressive 353 hours of sunlight—the peak for the month. This significant increase from 284 hours in April sets the stage for the sunniest months ahead. After a gradual climb from a modest 114 hours in January, the sun rewards residents and visitors alike with increasingly bright days, culminating in July's peak at 401 hours. As the summer progresses, the hours of sunlight begin to taper off, but the warmth and vibrancy of May herald the glorious season of outdoor adventures, illuminating the picturesque landscapes of this charming lakeside community. Embrace the splendor of May, where each day feels longer, making it the perfect time to explore everything Shasta Lake has to offer.
May in Shasta Lake heralds a delightful transition toward summer, with a 78% chance of sunny weather, making it an ideal month for outdoor activities. This figure reflects a steady increase from the 73% in April, continuing the trend of rising sunshine as the region warms up. As the months progress toward summer, the probability of sunny days only gets better, peaking at 91% in August. This gradual climb from winter's low of 30% in January showcases a marked shift towards more favorable weather, inviting residents and visitors alike to bask in the natural beauty that Shasta Lake has to offer.
In Shasta Lake, United States, the daylight duration showcases a beautiful seasonal rhythm, peaking in June with a generous 15 hours of sunlight. As spring unfolds, the length of daylight steadily increases, starting from 11 hours in March and reaching 14 hours by May. This gradual build-up heralds the arrival of summer, where longer days allow for more outdoor activities and exploration. Post-June, the daylight begins its gentle tapering, transitioning from 14 hours in July to 12 hours by September, marking the slow approach of fall. The year's cycle concludes as both November and December experience a return to the shorter days typical of winter, each offering only 9 hours of daylight. This ebb and flow of sunlight not only enhances the natural beauty of the area but also aligns perfectly with the changing seasons, creating a vibrant tapestry of light and shadow throughout the year.
In May, Shasta Lake experiences a mild uptick in wind speed, averaging 2.5 m/s (6 mph), slightly surpassing the steady breezes of earlier months. This gradual increase, from the 2.2 m/s seen in April, hints at the changing seasons and heralds the approach of summer. Throughout the year, the wind remains relatively gentle, with speeds peaking in spring as nature stirs to life. Following May, a slight dip in June sees winds return to 2.1 m/s, but the light winds of Shasta Lake consistently provide a refreshing backdrop for outdoor activities. Overall, May stands out as a transition period, offering just enough breeze to invigorate while still inviting visitors to bask in the region’s beautiful landscapes.
The weather in Shasta Lake 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 Shasta Lake and find detailed weather information for every month.
When comparing the weather in May and January, one can observe a distinct contrast in temperatures and precipitation patterns. May features milder temperatures, with a minimum of 2°C (36°F) and an average of 19°C (66°F), peaking at 37°C (100°F). In contrast, January is much colder, with temperatures dropping as low as -5°C (24°F), averaging 7°C (45°F), and reaching a maximum of 21°C (69°F). Additionally, January experiences significantly more rainfall, with 257 mm (10.1 in) over about 13 days, compared to May's 68 mm (2.7 in) spread over 5 days. The humidity levels are also higher in January at 86%, while May sees a lower humidity of 72%. For more specific information on January weather patterns, you can check Shasta Lake weather in January.
When comparing the weather in May and February, it's clear that May enjoys significantly warmer temperatures, with averages around 19°C (66°F) and maximums reaching up to 37°C (100°F). In contrast, February experiences cooler conditions, with average temperatures of 8°C (47°F) and night-time lows that can drop to -4°C (25°F). Additionally, February is much wetter, receiving 229 mm (9.0 in) of precipitation over 10 days, compared to May's 68 mm (2.7 in) spread over just 5 days. February's higher humidity of 87% also contributes to a chillier feel compared to May’s more moderate 72%. For more specifics on February's climate, check out Shasta Lake weather in February.
May and March present contrasting weather patterns. In May, temperatures rise significantly, showcasing a range from a minimum of 2°C (36°F) to a maximum of 37°C (100°F), with an average temperature of 19°C (66°F). The month sees moderate precipitation of 68 mm (2.7 in) over just 5 days, coupled with a humidity level of 72%. In contrast, March experiences cooler conditions, with temperatures ranging from a minimum of -2°C (29°F) to a maximum of 27°C (81°F) and an average of 10°C (50°F). This month is also much wetter, receiving 217 mm (8.6 in) of rainfall over 14 days and a higher humidity of 86%. For more details on the weather conditions in March, you can check Shasta Lake weather in March.
When comparing the weather in April and May, there are notable differences in both temperature and precipitation. In April, temperatures range from a minimum of 0°C (33°F) to a maximum of 32°C (90°F), with an average of 14°C (58°F). The month also experiences higher precipitation, totaling 116 mm (4.6 in) over 9 days, and higher humidity levels at 83%. In contrast, May sees a significant rise in temperature, with minimums of 2°C (36°F) and maximums soaring to 37°C (100°F), averaging 19°C (66°F). Precipitation decreases to 68 mm (2.7 in) over just 5 days, and humidity drops to a more comfortable 72%. For more details on April weather, check out Shasta Lake weather in April.
May and June present distinct weather patterns. In May, temperatures range from a chilly minimum of 2°C (36°F) to a hot maximum of 37°C (100°F), with an average of 19°C (66°F). This month experiences moderate precipitation of 68 mm (2.7 in) over about 5 days, accompanied by a humidity level of 72%. In contrast, June sees a noticeable increase in average temperature, rising to 25°C (76°F), with lows of 7°C (45°F) and highs reaching up to 42°C (108°F). Notably, June is much drier, with only 10 mm (0.4 in) of precipitation over just 1 day and slightly lower humidity at 67%. For more insights on weather trends specifically in June, you can check out Shasta Lake weather in June.
In May, temperatures fluctuate more dramatically, with a minimum of 2°C (36°F) and a maximum reaching up to 37°C (100°F), contributing to an average temperature of 19°C (66°F). The month experiences about 68 mm (2.7 in) of precipitation over five days, alongside relatively high humidity at 72%. In contrast, July boasts significantly warmer conditions, with temperatures ranging from a minimum of 14°C (58°F) to a scorching maximum of 43°C (110°F), leading to a higher average of 29°C (84°F). Notably, July is marked by dry weather, recording no precipitation over the month and lower humidity levels at 56%. For more detailed information, check out Shasta Lake weather in July.
May and August present quite different weather patterns. In May, temperatures can range significantly, with a minimum of 2°C (36°F) and a maximum of 37°C (100°F), leading to a relatively comfortable average of 19°C (66°F). However, this month also sees considerable precipitation, with about 68 mm (2.7 in) falling over 5 days and humidity levels at 72%. In contrast, August boasts a much warmer and drier climate, featuring a minimum temperature of 13°C (56°F), an average of 27°C (81°F), and a maximum soaring to 43°C (110°F). Notably, August experiences very little rainfall, with only 1 mm (0.1 in) and no days of precipitation, resulting in a lower humidity of 42%. For more specific information about temperatures and conditions during this month, you can visit Shasta Lake weather in August.
In comparison, May weather presents a broader temperature range with a minimum of 2°C (36°F) and a maximum of 37°C (100°F), averaging around 19°C (66°F). It also experiences more precipitation, with 68 mm (2.7 in) falling over about five days and a higher humidity level of 72%. In contrast, September boasts milder temperatures, with a minimum of 6°C (43°F) and a maximum of 42°C (108°F), averaging 23°C (73°F). This month is notably drier, with only 11 mm (0.4 in) of rain across just one day and lower humidity at 46%. For a detailed look at the typical conditions, you can check out Shasta Lake weather in September.
In May, temperatures generally range from a minimum of 2°C (36°F) to a maximum of 37°C (100°F), with an average of 19°C (66°F). The month sees about 68 mm (2.7 in) of precipitation over approximately 5 days, accompanied by a humidity level of 72%. In contrast, October presents slightly milder conditions, with temperatures fluctuating from a minimum of 4°C (39°F) to a maximum of 38°C (101°F), averaging 16°C (62°F). Rainfall increases to 79 mm (3.1 in) within just 4 days, and humidity decreases to 67%. For more detailed insights into the October climate, you can check Shasta Lake weather in October.
May and November present contrasting weather patterns. In May, temperatures typically range from a minimum of 2°C (36°F) to a maximum of 37°C (100°F), with an average of 19°C (66°F). The month sees approximately 68 mm (2.7 in) of precipitation over about 5 days, accompanied by a humidity level of 72%. In stark contrast, November experiences cooler temperatures, with a minimum of -2°C (30°F) and a maximum of 28°C (83°F), averaging at 11°C (52°F). This month is much wetter, receiving around 152 mm (6.0 in) of rain over 8 days, and boasts a higher humidity level of 86%. For more details on the weather specifically in November, you can check out Shasta Lake weather in November.
May and December exhibit distinctly different weather patterns. In May, temperatures range from a cool 2°C (36°F) to a warm 37°C (100°F), with an average temperature of 19°C (66°F). The month sees around 68 mm (2.7 inches) of precipitation over approximately 5 days, accompanied by a moderate humidity level of 72%. In contrast, December is much colder, with temperatures ranging from a low of -4°C (26°F) to a high of 22°C (72°F), averaging at 7°C (45°F). This month experiences significantly more precipitation at 177 mm (7.0 inches) over 12 days, and higher humidity at 86%. For more details on climate specifics during this period, check out Shasta Lake weather in December.
As May arrives at Shasta Lake, the weather marks a delightful shift towards warmth and outdoor enjoyment. With an increase in temperatures compared to earlier months, visitors can savor milder evenings and sunny days, making it an ideal time for recreational activities. While the high humidity may add a touch of moisture to the air, May's relatively low precipitation—just a handful of rainy days—keeps the landscape vibrant without dampening spirits. This blend of warm temperatures and occasional clouds perfectly sets the stage for the adventure-filled summer ahead. Dive deeper into the climatic nuances of this beautiful region by exploring Shasta Lake Climate.