Last updated: February 24, 2025
In Oak Glen, United States, December ushers in a blend of crisp cold and occasional warmth, with maximum temperatures reaching 25°C (77°F) and average daily temperatures hovering around 9°C (49°F). The month is characterized by chilly nights, as temperatures can dip to a minimum of -5°C (24°F). Rainfall contributes to the month’s atmosphere with a total of 59 mm (2.3 in) spread across five days, while humidity levels sit at a notable 74%, creating a fresh, invigorating climate perfect for winter activities.
In Oak Glen, United States, December ushers in a crisp chill as temperatures dip, with minimums averaging around -5°C (24°F) while the average hovers near a brisk 9°C (49°F). This month continues the trend of cool but mild winters that begin in late fall, providing a stark contrast to the soaring heat of the summer months that reach up to 40°C (105°F). The maximum temperatures on December days can still climb to a comfortable 25°C (77°F), showcasing the region's variability. As the year draws to a close, December serves as a transition to the colder depths of winter, offering a blend of chilly days and occasional milder spells, inviting residents and visitors alike to embrace the season’s charm.
In December, Oak Glen experiences a noticeable uptick in precipitation, receiving 59 mm (2.3 in) over 5 days. This marks a shift from the drier months of June and July, where rainfall was scant, with only 3 mm (0.1 in) and 13 mm (0.5 in) respectively. The month serves as a bridge between the wetter early winter and the lighter precipitation patterns of late spring, with December’s totals significantly higher than May's meager 15 mm (0.6 in). Overall, the trend suggests that as the year winds down, Oak Glen’s rainfall returns, bringing much-needed moisture in preparation for the harsher winter months ahead.
In Oak Glen, United States, December marks a noticeable shift in humidity levels as the year winds down. With humidity peaking at 74%, it stands as a moderate increase from the drier summer months, where levels dipped as low as 42% in August. The trend throughout the year reveals a gradual rise in humidity from the crisp air of early spring, peaking in the winter months. Notably, as the temperatures fall, the moisture in the air builds, transitioning from the 46% in July to December's balmy 74%. This pattern reflects the region's seasonal dynamics, reminding residents and visitors alike to prepare for a more humid end to the year.
In Oak Glen, December marks a return to moderate UV Index levels, echoing the conditions seen in January and November. With a UV Index of 4, residents and visitors can enjoy outdoor activities with a relatively low risk of harm from overexposure. The recommended burn time of 30 minutes hints at the gentler sun of winter, which contrasts sharply with the extreme levels seen during the summer months, particularly in May through July, when burn times plummeted to just 10 minutes. As the year wraps up, it’s an excellent reminder to remain mindful of UV exposure, even in cooler months. For detailed insights on UV levels year-round, check out Oak Glen UV Index.
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As the year winds down in Oak Glen, December offers a gentler touch of sunlight, with approximately 226 hours illuminating the month. This marks a decline from the bustling summer months, where sunlight peaks in July at 382 hours, and remains robust through August and early fall. Interestingly, December’s sunshine reflects a broader trend of decreasing daylight hours leading into winter, a pattern evident since the spring’s vibrant 326 hours in April. Despite the drop, December still receives more sun than the winter months of January and February, indicating that even in stark conditions, Oak Glen enjoys a cozy embrace of winter sunshine. The gradual ebb underscores the town's seasonal rhythm, reminding us of the beauty that exists even as the year draws to a close.
In Oak Glen, the likelihood of sunny weather takes a noticeable dip in December, with only a 50% chance of sunshine. This downturn comes after a robust autumn, where the months of September and October boast impressive probabilities of 87% and 71%, respectively. As the year winds down, December's forecast contrasts sharply with the summer highs, like August's peak at 83%. Interestingly, while the colder months of January and February follow with improved chances, December often brings a mix of overcast skies and sparse sunlight. This trend signals the onset of winter, inviting Oak Glen residents to embrace both the charm of the season and the unpredictability of its weather.
As December rolls into Oak Glen, the daylight hours dip to just 9 hours, the lowest of the year. This seasonal shift reflects a broader trend of gradually decreasing daylight from the spring and summer months, where residents enjoyed 14 hours of sunlight in June and July. The transition into fall sees a slow but steady decline, with the daylight duration slipping from 13 hours in May to 10 hours by November. While the days grow shorter, Oak Glen welcomes the winter solstice, embracing the cozy ambiance and tranquil beauty that this reduced sunlight brings, creating a serene backdrop for the heart of winter.
As December settles in Oak Glen, the wind whispers a gentle melody, with an average speed of 1.9 m/s (4 mph). This slight decrease mirrors a trend observed throughout the year, where the wind speed tends to taper off as winter approaches. From a peak of 2.2 m/s in the spring months to the calmest days of late fall, December's winds offer a tranquil backdrop to the scenic beauty of the season. The transition from the warmer to the cooler months highlights a consistent pattern, as the winds mellow, inviting residents and visitors alike to revel in the peacefulness of nature’s winter embrace.
The weather in Oak Glen changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of December's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Oak Glen and find detailed weather information for every month.
In December, temperatures range from a minimum of -5°C (24°F) to a maximum of 25°C (77°F), with an average of 9°C (49°F) and precipitation occurring on about 5 days for a total of 59 mm (2.3 in). The humidity level is relatively high at 74%. In contrast, January sees slightly cooler minimum temperatures at -6°C (22°F), while the maximum temperature increases to 26°C (79°F), maintaining the same average of 9°C (49°F). Precipitation also increases to 62 mm (2.4 in) over 6 days, with humidity slightly lower at 72%. For more detailed climate insights, check out Oak Glen weather in January.
December and February in Oak Glen exhibit similarities in average temperatures, both hovering around 9°C (49°F), but February tends to be slightly colder with minimum temperatures dropping to -7°C (20°F) compared to December's -5°C (24°F). While both months share maximum temperatures that reach up to 25°C (77°F), February experiences a bit more precipitation, with 66 mm (2.6 in) over 7 days, compared to December’s 59 mm (2.3 in) over just 5 days. Additionally, humidity levels are marginally higher in February at 77%, versus December's 74%. For more insights into February's weather specifics, you can check Oak Glen weather in February.
In December, the weather features a broader temperature range with minimums dropping to -5°C (24°F) and maximums reaching up to 25°C (77°F), resulting in an average temperature of 9°C (49°F). The month sees about 59 mm (2.3 in) of precipitation over approximately 5 days, accompanied by a higher humidity level of 74%. In contrast, March experiences slightly milder temperatures with an average of 11°C (52°F), and maximums can go up to 28°C (83°F), while minimums remain a bit higher at -2°C (29°F). Precipitation in March amounts to approximately 57 mm (2.3 in) but occurs over more days—about 10 in total—with slightly lower humidity levels at 67%. For a closer look at Oak Glen's weather during this transitional period, you can visit Oak Glen weather in March.
December weather is characterized by chilly temperatures, with a minimum of -5°C (24°F) and an average of 9°C (49°F), peaking at a maximum of 25°C (77°F). The month typically sees higher precipitation levels, averaging 59 mm (2.3 in) over approximately 5 days, and maintaining a humidity level of 74%. In contrast, April brings a noticeable warming trend, with temperatures ranging from a minimum of 2°C (37°F) to a comfortable average of 15°C (59°F), reaching up to 32°C (89°F) at times. This month experiences significantly lower precipitation at 26 mm (1.0 in) over just 2 days and a drop in humidity to 56%. For more specific details about weather patterns in April, visit Oak Glen weather in April.
December and May present a stark contrast in weather conditions. In December, temperatures can plunge to a minimum of -5°C (24°F) and reach an average of 9°C (49°F), with a maximum of 25°C (77°F). The month experiences an average of 59 mm (2.3 in) of precipitation over about 5 days, coupled with a higher humidity level of 74%. In comparison, May brings much warmer weather, with minimum temperatures starting at 2°C (37°F) and averaging 17°C (62°F), peaking at 33°C (92°F). Precipitation drops significantly to just 15 mm (0.6 in) over about 4 days, and humidity also decreases to a more comfortable 46%. For more details on the weather in May, you can visit Oak Glen weather in May.
December and June in Oak Glen present starkly contrasting weather conditions. In December, temperatures range from a chilly minimum of -5°C (24°F) to a pleasant average of 9°C (49°F), with the possibility of reaching up to 25°C (77°F). The month experiences moderate humidity at 74% and receives a total of 59 mm (2.3 in) of precipitation over roughly five days. In sharp contrast, June boasts much warmer temperatures, with a minimum of 8°C (47°F) and an average of 22°C (72°F), peaking at a scorching 38°C (101°F). Precipitation drops significantly to just 3 mm (0.1 in) across only one day, and humidity decreases to a more comfortable 48%. For more details on June weather patterns, visit Oak Glen weather in June.
December and July present stark contrasts in weather. In December, temperatures can dip as low as -5°C (24°F), with an average of 9°C (49°F) and a maximum of 25°C (77°F), while experiencing higher humidity levels at 74%. The month sees around 59 mm (2.3 in) of precipitation spread over about 5 days. In contrast, July boasts much warmer temperatures, with a minimum of 11°C (53°F), an average of 25°C (78°F), and soaring to a maximum of 40°C (105°F). This summer month is typically drier, with only 13 mm (0.5 in) of precipitation over just 2 days and markedly lower humidity at 46%. For a closer look at summer conditions, check Oak Glen weather in July.
December and August present contrasting weather experiences. In December, temperatures range from a chilly minimum of -5°C (24°F) to a pleasant average of 9°C (49°F), with a maximum reaching 25°C (77°F). This month also sees more precipitation, totaling 59 mm (2.3 in) over about 5 days, coupled with higher humidity at 74%. In stark contrast, August features significantly warmer temperatures, with a minimum of 13°C (56°F) and an average of 25°C (78°F), peaking at a sweltering 38°C (102°F). Precipitation is minimal, only 10 mm (0.4 in), falling over just 2 days, and the humidity drops to a comfortable 42%. For a detailed look at August weather in the region, visit Oak Glen weather in August.
December and September present contrasting weather patterns. In December, temperatures can dip as low as -5°C (24°F) during the night, with average highs around 9°C (49°F) and occasional peaks reaching up to 25°C (77°F). This month typically brings about 59 mm (2.3 in) of precipitation, spread over approximately five days, resulting in a higher humidity level of 74%.
In stark contrast, September's temperatures are much milder, with minimums around 8°C (46°F) and an average high of 23°C (73°F), rising dramatically to a maximum of 42°C (107°F) on particularly hot days. Rainfall is scarce in September, totaling just 10 mm (0.4 in) over a single day, and the humidity is significantly lower at 52%. For a more detailed look at September weather, you can check Oak Glen weather in September.
In December, the weather experiences a notable chill, with minimum temperatures plummeting to -5°C (24°F) and an average of 9°C (49°F), contrasting sharply with October's milder average of 18°C (64°F) and a minimum of 3°C (38°F). While December sees about 59 mm (2.3 in) of precipitation spread over 5 days, October remains relatively dry with only 11 mm (0.4 in) falling on just 1 day. Humidity levels also rise in December, reaching 74%, compared to 58% in October. For more detailed weather insights, check Oak Glen weather in October.
In comparing the weather conditions of December and November, December tends to be cooler, with average temperatures ranging from a minimum of -5°C (24°F) to a maximum of 25°C (77°F), contrasting with November's milder range of -1°C (31°F) to 29°C (84°F). December also experiences increased rainfall, totaling 59 mm (2.3 in) over about 5 days, compared to November's relatively dry 23 mm (0.9 in) over just 2 days. Despite having higher humidity at 74%, December still feels much more variable than November, which has a humidity level of 66%. For a detailed overview of the conditions in November, you can visit Oak Glen weather in November.
December in Oak Glen showcases a distinct shift in weather patterns, with temperatures dipping significantly compared to the milder months preceding it. The crisp air, characterized by an average of 9°C, invites holiday cheer, while occasional peaks of 25°C remind us of summer's lingering touch. With a notable increase in precipitation totaling 59 mm, December is one of the wetter months, often bringing a refreshing ambiance. The humidity hovers around 74%, creating a unique atmosphere that's both invigorating and cozy. For those seeking to understand how the climate shifts throughout the year, a deeper look into the seasonal variations can be explored at Oak Glen Climate.