Last updated: February 24, 2025
In December, San Andreas, United States, experiences a dynamic weather pattern characterized by a maximum temperature reaching 22°C (72°F), while the average hovers around a brisk 8°C (47°F). Beneath a canopy of 83% humidity, temperatures can dip as low as -2°C (29°F), marking chilly nights. This month also brings about 136 mm (5.3 in) of precipitation over approximately 10 days, making it one of the wetter periods of the year. Prepare for cool, damp conditions as the season transitions toward winter's embrace.
In December, temperatures in San Andreas, United States, begin to dip as winter approaches, with minimums around -2°C (29°F) and an average chill of 8°C (47°F). This month showcases a notable shift from the milder conditions experienced earlier in the year, as the maximum temperature hovers around 22°C (72°F), reflecting a gradual cooling trend. As the year draws to a close, the weather makes a distinct transition from the warmth of summer, with averages resembling those of earlier months but notably lower, inviting a cozy atmosphere that contrasts sharply with the heat of previous summer highs. This December chill sets the stage for the colder months ahead, blending the serenity of winter with the lingering hints of autumn’s warmth.
In December, San Andreas experiences a notable uptick in precipitation, receiving 136 mm (5.3 in) of rain over approximately 10 days. This marks an increase from the drier months of summer, where rainfall was virtually nonexistent, and signals a transition into the wetter winter season. As temperatures drop, precipitation levels typically rise, highlighting December's role in contributing significantly to the annual totals. The rainfall this month is a stark contrast to the 3 mm recorded in June and July, with precipitation starting to rebound after the notably dry late summer and early fall. This consistent pattern of increased rainfall continues into the new year, with December seen as the bridge between the drier months and the more saturated periods of January and February.
In December, San Andreas experiences a humidity level of 83%, maintaining the trend seen throughout the year where humidity tends to be relatively high in the colder months. Following a slight dip to 64% in June and a further drop to a seasonal low of just 36% in August, humidity gradually rises again as temperatures cool. Importantly, January, February, and November all showcase humidity levels at a robust 84%, highlighting a pattern of increased moisture in the winter months. This consistent rise and fall in humidity illustrates the region's transition through the seasons, creating a notable cycle that influences both the climate and comfort levels throughout the year.
As December arrives in San Andreas, the UV Index takes a gentle dip to 3, placing it in the moderate exposure category. This lower index means residents can comfortably enjoy outdoor activities, albeit with caution, as the burn time extends to 30 minutes. Notably, this month concludes a year marked by fluctuating UV levels, where the summer months of June and July peaked at an extreme index of 11, requiring significantly shorter exposure times. The transition from high summer UV levels to the more moderate winter range highlights the importance of adjusting sun safety practices throughout the year. For a detailed breakdown of UV trends and precautions, explore more at San Andreas UV Index.
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In December, San Andreas, United States, basks in a pleasant 197 hours of sunshine, marking a gentle descent from the vibrant highs of the summer months. Throughout the year, the trend of increasing sunlight culminates in July, where residents enjoy a peak of 397 hours. As the seasons transition, sunlight begins to wane, particularly noticeable as autumn ushers in a decline towards the year’s end. Despite the reduction in daylight hours, December still offers a warm glow amid cooler temperatures, providing a cheerful ambiance for holiday festivities. This gradual ebb of sunshine has a charm of its own, making San Andreas a lovely haven even as winter approaches.
In San Andreas, the likelihood of sunny weather in December is notably lower, with only 39% of days typically blessed by sunshine. This trend marks a significant dip compared to the sunnier months of late summer and early fall, where August peaks at a dazzling 95% chance of clear skies. From the bright optimism of May's 87% to the more subdued vibe in November at 59%, the transition into winter reflects a gradual decrease in sunshine. While December may not hold the sunniest days, it's part of a broader seasonal shift where residents can still appreciate the mild charms of California's winter landscape.
In San Andreas, December marks the return of shorter days, with daylight lasting just 9 hours. This contraction of daylight mirrors the gradual decline seen from 14 hours in the peak of summer, through the autumn months where daylight dwindles to 10 hours in November. As the year unfolds, the trend is clear: from the early months of January through March, daylight incrementally increases, peaking at 14 hours in May and June before gradually diminishing again. Each season brings its own rhythm, where the vibrant daylight of summer gives way to the cozy whisper of winter, encapsulating the cyclical dance between light and dark that defines this region.
As the year draws to a close, December brings a refreshing gust of wind to San Andreas, with average wind speeds peaking at 2.6 m/s (6 mph). This marks a notable increase from the more subdued months of late fall, particularly November, which recorded its lowest wind speed at 1.7 m/s (4 mph). Throughout the year, wind speeds have remained relatively consistent, hovering around the 5 mph mark during most months. However, December's distinctive uptick suggests a shift in seasonal patterns, inviting residents and visitors alike to embrace the invigorating breezes that characterize the coastal charm of this picturesque locale.
The weather in San Andreas 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 San Andreas and find detailed weather information for every month.
In December, the weather features a minimum temperature of -2°C (29°F) and an average of 8°C (47°F), with a maximum reaching up to 22°C (72°F). The month experiences significant precipitation, totaling 136 mm (5.3 in) over 10 days, and the humidity hovers around 83%.
Conversely, January sees a slight drop in minimum temperatures to -3°C (28°F), while the average temperature rises to 9°C (48°F) and the maximum increases to 23°C (74°F). Precipitation levels are higher in January, with 164 mm (6.5 in) over 9 days, and humidity remains fairly consistent at 84%.
For those interested in further details, you can check out San Andreas weather in January.
In comparing the weather of December and February, both months experience relatively cool temperatures with December displaying a minimum of -2°C (29°F) and an average of 8°C (47°F), while February sees slightly cooler lows at -4°C (24°F) with a marginally higher average of 9°C (49°F). The maximum temperatures in February reach up to 24°C (76°F), surpassing December's high of 22°C (72°F). Precipitation is higher in February, accumulating 157 mm (6.2 in) over 9 days compared to December’s 136 mm (5.3 in) over 10 days. Additionally, humidity levels remain similar, with December at 83% and February just slightly higher at 84%. For more detailed information, you can check out San Andreas weather in February.
December and March present distinct yet somewhat similar weather patterns. In December, temperatures range from a chilly minimum of -2°C (29°F) to a comfortable maximum of 22°C (72°F), with an average of 8°C (47°F). The month experiences significant rainfall, totaling 136 mm (5.3 in) over about 10 days, and maintains a high humidity level of 83%. In contrast, March sees slightly milder temperatures, with minimums of -1°C (31°F) and maximums reaching 27°C (81°F), averaging 11°C (53°F). Rainfall increases in March, accumulating to 178 mm (7.0 in) across around 12 days, while humidity remains constant at 83%. For more insights on March weather patterns, you can check San Andreas weather in March.
December and April exhibit distinct differences in weather patterns. In December, temperatures typically range from a chilly min of -2°C (29°F) to a comfortable max of 22°C (72°F), while April sees warmer temperatures, with a minimum of 1°C (34°F) and a maximum reaching 31°C (88°F). Precipitation is more frequent in December, averaging 136 mm (5.3 in) over about 10 days, compared to April's 79 mm (3.1 in) over just 6 days. Additionally, humidity levels remain relatively similar, with December at 83% and April slightly lower at 81%. For more detailed insights on April weather, you can explore San Andreas weather in April.
December weather contrasts sharply with that of May, showcasing the seasonal transition from winter to spring. In December, temperatures hover between a brisk -2°C (29°F) as a minimum and a much milder average of 8°C (47°F), with highs reaching up to 22°C (72°F). The month sees considerable precipitation of 136 mm (5.3 in) spread over 10 days, along with high humidity levels averaging 83%. In contrast, May ushers in warmer temperatures, with a minimum of 4°C (39°F) and an average of 18°C (64°F). The maximum temperatures can soar up to 35°C (95°F), accompanied by significantly less rain—only 45 mm (1.8 in) over just 3 days—and lower humidity at 74%. For a detailed look at what to expect during this vibrant month, check out San Andreas weather in May.
December and June present stark contrasts in weather conditions. In December, temperatures range from a chilly minimum of -2°C (29°F) to a mild maximum of 22°C (72°F), exhibiting an average temperature of 8°C (47°F). This month also experiences significant precipitation, totaling 136 mm (5.3 in) over about 10 days, and a high humidity level of 83%. In contrast, June boasts a much warmer climate, with minimum temperatures beginning at 9°C (48°F) and peaking at an impressive 40°C (104°F), averaging around 23°C (73°F). Notably, June is characterized by minimal rainfall, with only 3 mm (0.1 in) recorded and no rainy days, coupled with a lower humidity level of 64%. For more details on June weather, you can visit San Andreas weather in June.
December weather is characterized by cooler temperatures, ranging from a chilly -2°C (29°F) at its lowest to a mild maximum of 22°C (72°F), with an average temperature of around 8°C (47°F). This month experiences significant precipitation, totaling 136 mm (5.3 in) over approximately 10 days, accompanied by a high humidity level of 83%. In sharp contrast, July boasts much warmer conditions with minimum temperatures at 12°C (54°F) and soaring averages of 25°C (78°F), peaking at a scorching 39°C (103°F). Notably, July is dry, recording no precipitation at all and lower humidity levels of 44%. For a detailed look at July weather, visit San Andreas weather in July.
When comparing the weather in December and August, the differences are stark, highlighting the contrast between the two months. December sees a much cooler temperature range, with minimums dropping to -2°C (29°F) and an average of 8°C (47°F), while August boasts minimums of 12°C (54°F) and an average of 25°C (77°F). Precipitation is prevalent in December, with 136 mm (5.3 in) over 10 days, whereas August enjoys a completely dry spell with no recorded precipitation. Additionally, humidity levels in December are significantly higher at 83%, compared to August’s much drier atmosphere with 36% humidity. For more detailed information on August conditions, visit San Andreas weather in August.
In December, the weather is noticeably cooler, with average temperatures ranging from a minimum of -2°C (29°F) to a maximum of 22°C (72°F), and a much higher precipitation level at 136 mm (5.3 in) over about 10 days. In contrast, September experiences warmer temperatures, with a minimum of 8°C (46°F) and reaching highs of 41°C (107°F), but it sees significantly less rainfall, only 6 mm (0.2 in) over just 1 day. Additionally, December's humidity is much higher at 83%, compared to September's 44%. For more detailed information, check out San Andreas weather in September.
December weather is notably cooler and wetter compared to October. In December, temperatures range from a chilly -2°C (29°F) at night to a pleasant 22°C (72°F) during the day, with an average of 8°C (47°F). In contrast, October showcases a milder climate with temperatures spanning from 2°C (37°F) to a warm 35°C (96°F), averaging 17°C (63°F). Additionally, December experiences significantly more precipitation, totaling 136 mm (5.3 in) over 10 days, while October sees just 43 mm (1.7 in) over only 2 days. The humidity is also higher in December at 83%, compared to 65% in October. For a more detailed view of October weather, you can check out San Andreas weather in October.
In comparing the weather of December to that of November, December tends to be cooler, with average temperatures ranging from a minimum of -2°C (29°F) to a maximum of 22°C (72°F), while November offers slightly milder conditions with temperatures from -1°C (30°F) to a maximum of 27°C (81°F). Additionally, December is wetter, experiencing an average precipitation of 136 mm (5.3 in) over 10 days, compared to November's 82 mm (3.2 in) across just 6 days. Humidity remains relatively consistent, with December at 83% and November slightly higher at 84%. For a more detailed look at November's weather, you can check San Andreas weather in November.
As December sets in, San Andreas transforms into a cooler, wetter landscape compared to the rest of the year. With the temperature dropping to a brisk average of 8°C (47°F) while occasionally reaching a mild 22°C (72°F), residents and visitors alike must prepare for a significant shift. The month sees increased precipitation, with about 136 mm (5.3 in) falling over approximately 10 days, contributing to the region's lush winter scenery. The higher humidity of 83% adds a certain chill to the air, making it feel even cooler. This seasonal change not only enriches the natural beauty but also provides a refreshing contrast to the typically warmer months. For more details about the weather patterns in this captivating region, explore the San Andreas Climate.