Last updated: February 24, 2025
December in Idyllwild, United States brings a crisp charm with temperatures ranging from a maximum of 25°C (77°F) to a minimum of -5°C (23°F), yielding an average of 9°C (49°F). The month experiences a total precipitation of 58 mm (2.3 in) over five rainy days, contributing to the area's stunning winter landscapes. With humidity levels at 74%, December’s weather sets a picturesque scene for both cozy indoor gatherings and adventurous outdoor activities, making it a delightful time to embrace the beauty of nature in this enchanting mountain town.
In December, Idyllwild experiences a crisp embrace of winter, with temperatures that highlight the transition from fall to the chillier months. The minimum temperatures hover around -5°C (23°F), while the average rests at a comfortable 9°C (49°F), providing a refreshing start to the winter season. Daytime highs can reach up to 25°C (77°F), allowing for mild afternoons that contrast sharply with the cooler nights. This pattern of cooler evenings and moderately warm days mirrors the temperature fluctuations seen in the preceding months, indicating a gradual cooling trend as the region prepares for the deep winter ahead. Overall, December offers a unique charm, with its chilly nights and pleasant days, encouraging both festive gatherings and serene moments in nature.
December in Idyllwild brings a notable shift in precipitation patterns as the year draws to a close. With an average of 58 mm (2.3 in) of rain spread over 5 days, December is among the wetter months, benefiting from early winter storms that invigorate the landscape. This marked increase follows a trend of diminishing rainfall from late spring into summer, where June saw a mere 3 mm (0.1 in) over no rainy days. As the colder months approach, precipitation levels rise, with December eclipsing November's 25 mm (1.0 in) despite having more rain days, illustrating the transition to a season synonymous with refreshing downpours. Overall, December not only reinforces Idyllwild’s winter character but also signals the beginning of a wetter climate in the region as it bids farewell to the drier months.
In December, Idyllwild experiences an increase in humidity, reaching 74%—a noticeable rise compared to the drier months of the summer, where it dips to a low of 42% in August. As the year comes to a close, this month reflects a shift back towards the wetter conditions typical of the earlier winter and fall. The trend shows that humidity levels start off high in January at 72%, peak in February at 77%, and then sustain a moderate range through the latter part of the year, illustrating the seasonal fluctuations in this charming Californian mountain town. As December wraps up the year, the refreshing return of moisture sets the stage for the crisp and invigorating winter ahead.
As December arrives in Idyllwild, the UV Index drops back to 4, placing it in the moderate exposure category, reminiscent of January's conditions. This seasonal decrease in UV radiation allows for a more relaxed approach to sun safety, with a burn time of approximately 30 minutes before the risk of harm increases. This notable decline from the extreme levels observed in the summer months highlights the trend of diminishing UV strength as we approach winter, providing a respite from the intense sun exposure experienced earlier in the year. For those planning outdoor activities, it's important to remain mindful of the sun's rays, even in these cooler months. To learn more about seasonal variations in UV exposure, visit Idyllwild UV Index.
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As the year draws to a close, December in Idyllwild welcomes a respectable 231 sunshine hours, a gentle decline from the sun-drenched peaks of summer. Notably, the month exhibits a rhythm typical of the seasonal transition—while June through July maintains a sunny high, basking in over 370 hours, December prepares for a winter retreat, with sunlight softly waning. This trend reflects the natural ebb and flow of daylight, as winter's chill takes hold, contrasting with the vibrant 373 hours in May and 381 hours in July. By December, Idyllwild's crisp air and lowered sunlight hours create a cozy atmosphere, inviting residents and visitors alike to relish the beauty of the season while anticipating the bright return of longer days ahead.
While Idyllwild enjoys a generally sunny climate throughout the year, December is a notable exception, with only a 48% chance of sunshine. This marks a significant dip compared to the preceding months, where the likelihood of sunny days typically hovers above 70%. Interestingly, as the year progresses from the bright days of summer—boasting an 83% chance in August and 85% in September—sunny weather begins to wane as autumn turns to winter. December stands out as the month with the lowest probability of sun, highlighting the seasonal shift and hinting at the cozy, cooler days that characterize this picturesque mountain town during the holiday season.
As December arrives in Idyllwild, United States, daylight begins to dwindle, offering just 9 hours of light per day. This decline marks a departure from the longer days of summer, where July and June bask in 14 hours of sunshine. The transition is gradual; starting from January, daylight lasts around 10 hours, gradually increasing to 11 hours by March. Spring brings a delightful uptick, peaking in April and May with a generous 13 hours. However, as autumn sets in, daylight decreases again, mirroring the seasonal cycle until December's shorter days are upon us. This rhythmic ebb and flow of light not only reflects nature’s cadence but also invites reflections on the year past as the shortest day of the year approaches.
As December settles in Idyllwild, the crisp mountain air brings a slight lull in wind activity, with average speeds at 1.9 m/s (4 mph). This represents a gentle decrease from the milder breezes of earlier months, where April showcased its most spirited winds at 2.5 m/s (6 mph). Following a trend, the wind speeds gradually tapered off as the year progressed, hinting at a calmer atmosphere suited for tranquil winter moments. Despite this subtle reduction in wind, December still maintains a soft breath of movement, inviting residents and visitors to embrace the serene beauty of the season amidst the towering pines.
The weather in Idyllwild 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 Idyllwild and find detailed weather information for every month.
December and January present similar average temperatures, both hovering around 9°C (49°F), but January tends to see slightly cooler minimum temperatures, dipping to -6°C (22°F). Despite this, January features a marginally warmer maximum temperature of 26°C (79°F) compared to December's 25°C (77°F). Precipitation increases slightly in January to 64 mm (2.5 in), falling over six days, while December records 58 mm (2.3 in) across five days. Both months maintain relatively high humidity levels, with December at 74% and January slightly lower at 72%. For a closer look at January weather patterns, you can visit Idyllwild weather in January.
In December, the weather exhibits a milder temperature range with a minimum of -5°C (23°F), an average of 9°C (49°F), and a maximum of 25°C (77°F). This month sees about 58 mm (2.3 in) of precipitation over five days, with humidity at a comfortable 74%. In contrast, February experiences slightly colder temperatures, with a minimum dropping to -10°C (14°F) while the average remains the same at 9°C (49°F) and a slightly higher maximum of 26°C (78°F). February also brings increased precipitation, totaling 70 mm (2.8 in) over seven days, accompanied by a bit higher humidity at 77%. For more detailed insights on February weather, you can check Idyllwild weather in February.
In December, temperatures in Idyllwild range from a chilly minimum of -5°C (23°F) to a pleasant maximum of 25°C (77°F), with an average temperature of around 9°C (49°F). The month sees about 58 mm (2.3 in) of precipitation spread over 5 days, coupled with a humidity level of 74%, giving it a crisp and damp character. In contrast, March offers slightly warmer conditions, with minimum temperatures of -3°C (27°F) and a higher average of 11°C (52°F), peaking at 29°C (85°F). Although precipitation remains similar at 57 mm (2.3 in), it is spread over more days, totaling 10 days, and the humidity drops to 67%. For more detailed information on March weather, you can check Idyllwild weather in March.
In December, the weather is generally colder with temperatures ranging from a minimum of -5°C (23°F) to a maximum of 25°C (77°F), averaging around 9°C (49°F). This month also experiences higher humidity levels at 74% and receives about 58 mm (2.3 in) of precipitation over approximately 5 days. In contrast, April brings milder weather, with temperatures ranging from a minimum of 2°C (36°F) to a maximum of 32°C (90°F), averaging 15°C (59°F). It sees less precipitation, totaling 25 mm (1.0 in) across just 3 days, and lower humidity of 56%. For more specific details on April weather, you can check Idyllwild weather in April.
December and May present quite a contrast in weather conditions. In December, temperatures range from a chilly minimum of -5°C (23°F) to a maximum of 25°C (77°F), with an average of 9°C (49°F). This month experiences about 58 mm (2.3 in) of precipitation over roughly five days, accompanied by a humidity level of 74%. In stark contrast, May boasts milder temperatures, with a minimum of 3°C (37°F) and a much warmer maximum of 36°C (97°F), leading to an average of 17°C (63°F). Precipitation is significantly lower at just 13 mm (0.5 in) across three days, and the humidity drops to 46%. For a more detailed look at the weather in May, you can visit Idyllwild weather in May.
The weather in December and June contrasts sharply, reflecting the seasonal extremes. In December, temperatures range from a chilly minimum of -5°C (23°F) to a comfortable average of 9°C (49°F), peaking at 25°C (77°F). The month experiences about 58 mm (2.3 in) of precipitation over five days, accompanied by a humidity level of 74%, making the air feel quite damp. In contrast, June offers a much warmer climate, with minimum temperatures starting at 8°C (46°F) and averaging 23°C (73°F), soaring to a hot maximum of 39°C (103°F). Remarkably, June sees negligible rainfall of just 3 mm (0.1 in) and has no days of precipitation, combined with lower humidity at 48%. For a more detailed overview of June weather, you can visit Idyllwild weather in June.
December and July present stark differences in weather patterns. In December, temperatures can dip to a chilly minimum of -5°C (23°F), with an average of 9°C (49°F) and a maximum reaching 25°C (77°F). The month sees about 58 mm (2.3 in) of precipitation over five days, and humidity levels hover at 74%. In contrast, July boasts much warmer conditions, with minimum temperatures starting at 11°C (52°F) and climbing to an average of 26°C (79°F), peaking at a sweltering 40°C (104°F). Rainfall is minimal, with only 19 mm (0.7 in) over four days, and humidity drops to a comfortable 46%. For a detailed look at the weather specific to this month, you can check Idyllwild weather in July.
December and August exhibit strikingly different weather patterns. December temperatures range from a chilly -5°C (23°F) at night to a comfortable 25°C (77°F) during the day, with an average of 9°C (49°F). This month sees about 58 mm (2.3 in) of precipitation over approximately 5 days, coupled with relatively high humidity at 74%. In contrast, August is much warmer, with temperatures starting at 13°C (56°F) at night and peaking at a scorching 40°C (103°F) during the day, averaging 26°C (79°F). Precipitation in August is significantly lower at just 11 mm (0.4 in) over 3 days, and the humidity drops to 42%. For more specifics on weather conditions, you can check out Idyllwild weather in August.
When comparing the weather in December and September, it becomes clear that September is generally much warmer. In December, temperatures can dip as low as -5°C (23°F) and have an average of 9°C (49°F), while September boasts a minimum of 7°C (44°F) and averages a much warmer 23°C (74°F). Furthermore, September can reach a maximum of 42°C (108°F), significantly higher than December's maximum of 25°C (77°F). Precipitation patterns also differ, with December receiving 58 mm (2.3 in) of rainfall over five days, compared to just 7 mm (0.3 in) over two days in September. Humidity levels are higher in December at 74%, compared to 52% in September, contributing to the overall warmer and drier feel of early autumn. For more detailed insights on September weather, you can check out Idyllwild weather in September.
When comparing the weather between December and October, notable differences emerge. December experiences cooler temperatures, with a minimum of -5°C (23°F) and an average of 9°C (49°F), while October boasts a much warmer average of 18°C (64°F) and can reach highs of 36°C (98°F). Additionally, December faces more precipitation, totaling 58 mm (2.3 in) over about five days, compared to October's 14 mm (0.6 in) spread over just three days. The humidity levels also contrast, with December at 74% and October at a lower 58%, indicating a drier feel in October. For more specific details, you can check Idyllwild weather in October.
In December, the weather takes a cooler turn compared to November, with minimum temperatures dropping to -5°C (23°F) and an average of 9°C (49°F), whereas November sees milder conditions with a minimum of 0°C (32°F) and an average of 14°C (57°F). December also experiences more variability in temperature, peaking at 25°C (77°F), while November can reach up to 29°C (85°F). Additionally, December has a higher level of precipitation at 58 mm (2.3 in) over 5 days, compared to just 25 mm (1.0 in) across 2 days in November. Humidity levels are also slightly higher in December at 74%, compared to November's 66%. For a closer look at November's climate specifics, check out Idyllwild weather in November.
December in Idyllwild ushers in a distinctly cooler climate compared to the preceding months, with temperatures dipping significantly, making cozy layers a must. The average chill invites a refreshing atmosphere, while the increased humidity wraps the landscape in a crisp embrace. While the occasional precipitation can disrupt outdoor adventures, it also provides a serene backdrop for the tranquil beauty of the season. As vibrant foliage fades, the mountain scenery transforms into a winter wonderland. For a deeper look at the unique weather patterns that grace this artistic village, explore more details here: Idyllwild Climate.