Last updated: February 24, 2025
Experience the charming December weather of Pacific Grove, United States, where the coastal breeze brings a refreshing touch to the Pacific winter. With maximum temperatures reaching 21°C (69°F) and an average of 12°C (54°F), the days remain mild despite the seasonal chill. Nighttime temperatures can dip to a minimum of 8°C (47°F), prompting cozy evenings. December also sees 105 mm (4.1 in) of rainfall over approximately 10 days, contributing to the region's lush landscape. The humidity levels hover around 80%, creating a refreshing, slightly misty atmosphere perfect for exploring this picturesque coastal town.
In Pacific Grove, December ushers in the chill of winter while still offering mild temperatures that can be quite inviting. With minimums around 8°C (47°F) and averages sitting at 12°C (54°F), it's a perfect time to enjoy the coastal charm without the summer crowds. The maximum temperature climbs to a pleasant 21°C (69°F), making afternoon strolls along the shore a delightful experience. Compared to the cooler preceding months where maximums hovered around the mid-teens, December stands out with its warmer highs, hinting at a gradual transition toward the milder winter months ahead. Overall, the month maintains a comfortable balance, inviting both locals and visitors to embrace the beauty of Pacific Grove's winter scenery.
In Pacific Grove, December marks a notable increase in precipitation, with 105 mm (4.1 in) of rain falling over 10 days. This pattern reflects the transition into winter, where rainfall begins to pick up after the relatively dry summer months, which see minimal precipitation, particularly in June through September. The month of December is characterized by frequent, often light rains that build on the preceding months, such as November's 42 mm (1.7 in). As the region wraps up the year, the rainfall serves not only to nourish the vibrant coastal ecosystem but also brings a refreshing conclusion to the drier spells of the warmer months. This trend highlights the significant seasonal shift in Pacific Grove, where the winter months are vital for replenishing local water resources.
In December, Pacific Grove experiences a slight uptick in humidity, reaching 80%. This marks a transition from the drier summer months, where humidity dipped to a low of 54% in August. The trend shows a gradual increase from July through November, reflecting the coastal climate’s inherent ebb and flow. As the year ends, humidity levels remain consistently high, mirroring the 82% of January, suggesting a stable, damp winter season that contrasts sharply with the warm, dry summer days. Overall, December’s humidity is a reminder of the region’s temperate environment, fostering a cozy atmosphere as the holiday season approaches.
In Pacific Grove, December marks the transition into cooler months, reflected in its UV Index which drops to 3, categorizing it as moderate with a burn time of 30 minutes. This decrease follows a summer streak of extreme UV exposure, where values peaked at 11 from May through August, indicating a clear trend of heightened sun intensity during the warmer seasons. As autumn arrived, the UV index lowered to 5 in November, before settling into the more forgiving range of December. Nonetheless, this still serves as a reminder to practice sun safety while enjoying the crisp winter air. For a complete overview and to plan accordingly, visit Pacific Grove UV Index.
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In Pacific Grove, December brings a pleasant transition into winter, with 210 hours of sunshine illuminating the coastal town. While the month experiences a notable decrease from the sun-drenched days of June (369 hours) and July (377 hours), it holds its own charm. As the year winds down, sunlight becomes less abundant but still manages to outshine the early winter months of January (164 hours) and February (222 hours). This pattern illustrates a clear trend of increasing daylight as spring approaches, peaking in the vibrant months of May (354 hours) and April (301 hours). Ultimately, December’s gentle rays invite residents and visitors alike to bask in the last glimpses of warmth before the cooler months take hold.
In Pacific Grove, the likelihood of sunny weather in December stands at 43%, reflecting a dip compared to the earlier months of the year. As we transition from the vibrant hues of autumn into winter, December's sunshine chances are notably lower than the more luminous October (62%) and November (57%). While the month maintains a respectable opportunity for sun, it's part of a broader trend where the chances fluctuate seasonally; for instance, February peaks at 58%, showcasing that as the year progresses, the promise of clear skies often brightens. Hence, while December may not guarantee abundant sun, it continues a seasonal pattern of variability, inviting locals and visitors to savor the unique charm of Pacific Grove's winter landscape.
As December arrives in Pacific Grove, daylight hours dip back to 9 hours, mirroring the early month's light of January. This gradual transition is part of a rhythmic pattern throughout the year, where the days lengthen from February's 10 hours to a peak of 14 hours in the vibrant summer months of May, June, and July. Following this summer peak, daylight begins its slow descent, with August seeing a slight decrease to 13 hours, and continuing to decline through fall, culminating in the shorter days of winter. The cyclical dance of light not only marks the seasons but also shapes the serene coastal landscape, inviting locals and visitors alike to embrace the beauty of each unique phase.
As December arrives in Pacific Grove, the coastal winds begin to pick up, with an average speed of 5.3 m/s (12 mph), making it one of the brisker months of the year. This increase in wind speed marks a noticeable trend as autumn shifts into winter, with December showcasing the highest gusts since May. Interestingly, the wind strength tends to decrease during the summer months, reaching a low of 3.4 m/s (8 mph) in August before gradually building again. As the year wraps up, the greatest wind speeds reflect the changing seasons, invigorating the atmosphere and reminding us of the dynamic interplay between climate and coastal life.
The weather in Pacific Grove 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 Pacific Grove and find detailed weather information for every month.
December and January weather exhibit some similarities, but there are notable differences. Both months have an average temperature of 12°C (54°F), but December typically experiences slightly warmer maximum temperatures of 21°C (69°F) compared to January's 18°C (64°F). Precipitation is relatively consistent, with December receiving 105 mm (4.1 in) and January a bit more at 112 mm (4.4 in), and both months record approximately 10 days of rainfall. Humidity levels are similar as well, with December at 80% and January slightly higher at 82%. For more detailed information on January conditions, you can check Pacific Grove weather in January.
December and February exhibit similar weather patterns, with both months experiencing mild temperatures and relatively high humidity. In December, the minimum temperature is slightly warmer at 8°C (47°F) and the average temperature is 12°C (54°F), compared to February's minimum of 6°C (44°F) and average of 11°C (53°F). Precipitation levels remain consistent, with December receiving 105 mm (4.1 in) and February slightly higher at 106 mm (4.2 in), both spread over about 10 days. However, February tends to be a bit more humid at 84%, compared to December's 80%. For a closer look at February's weather in Pacific Grove, you can visit Pacific Grove weather in February.
In comparing the weather between December and March, we see that both months exhibit mild temperatures, with December having slightly warmer averages and maximums. December records temperatures from a minimum of 8°C (47°F) to a maximum of 21°C (69°F), while March sees a range from 7°C (45°F) to 17°C (63°F). Precipitation is somewhat comparable, with December experiencing 105 mm (4.1 in) over 10 days, slightly more than March’s 93 mm (3.7 in) over 12 days. Humidity levels are similar too, with December at 80% and March at 82%. For a more detailed look at March weather, visit Pacific Grove weather in March.
December and April present distinct weather characteristics. In December, temperatures range from a minimum of 8°C (47°F) to a maximum of 21°C (69°F), with an average temperature of 12°C (54°F). This month sees higher precipitation levels, totaling 105 mm (4.1 in) over approximately 10 days, coupled with a humidity level of 80%. In contrast, April has a slightly cooler average temperature of 11°C (53°F), with similar minimum temperatures but a lower maximum of 19°C (67°F). Precipitation drops significantly to 35 mm (1.4 in) over about 6 days, and the humidity remains relatively stable at 78%. For more specific details, you can check Pacific Grove weather in April.
December and May exhibit notable differences in weather patterns. In December, temperatures range from a minimum of 8°C (47°F) to a maximum of 21°C (69°F), with an average of 12°C (54°F). This month also sees significant precipitation, averaging 105 mm (4.1 in) spread over 10 days, resulting in a high humidity level of 80%. In contrast, May has slightly warmer minimum temperatures at 9°C (48°F) and a lower maximum of 17°C (63°F), with an average temperature similar to December at 12°C (53°F). Rainfall is much lighter in May, totaling only 26 mm (1.0 in) across just 4 days, contributing to a more comfortable humidity level of 71%. For more detailed insights, check out Pacific Grove weather in May.
December and June present distinct weather contrasts. In December, temperatures range from a minimum of 8°C (47°F) to a maximum of 21°C (69°F), with an average of 12°C (54°F). This month sees significant precipitation, totaling 105 mm (4.1 inches) over about 10 days, coupled with a high humidity level of 80%. In contrast, June offers milder temperatures, with a minimum of 10°C (50°F) and a maximum of 25°C (78°F), averaging 13°C (55°F). Notably, June experiences minimal precipitation, with only 5 mm (0.2 inches) recorded over 0 rainy days, and a humidity level of 64%. For more details on the June climate, check out Pacific Grove weather in June.
December and July exhibit contrasting weather patterns. In December, temperatures range from a minimum of 8°C (47°F) to a maximum of 21°C (69°F), with an average of 12°C (54°F). This month also experiences significant precipitation, totaling 105 mm (4.1 in) across approximately 10 days, accompanied by high humidity levels at 80%. In stark contrast, July is much drier, with minimal rainfall of just 4 mm (0.2 in) over the entire month and no rainy days. The temperatures in July are slightly warmer, with a minimum of 11°C (51°F) and a maximum of 16°C (61°F), resulting in an average temperature of 13°C (56°F) and lower humidity at 58%. For more insights into July’s weather, check out Pacific Grove weather in July.
December weather is characterized by a cooler atmosphere, featuring minimum temperatures around 8°C (47°F) and averaging 12°C (54°F), with maximum highs reaching 21°C (69°F). This month also sees significant precipitation, with about 105 mm (4.1 in) over approximately 10 days, contributing to a high humidity level of 80%. In contrast, August tends to be milder, with minimum temperatures of 12°C (54°F) and an average temperature of 14°C (58°F), while still peaking at 21°C (70°F). Notably, August experiences very little rainfall, receiving just 5 mm (0.2 in) over an entire month, and has a lower humidity level of 54%. For more details, you can check the Pacific Grove weather in August.
When comparing the weather in December and September, notable differences emerge in temperature and precipitation. December experiences milder temperatures, with a minimum of 8°C (47°F) and a maximum of 21°C (69°F), while September boasts warmer temperatures, ranging from a minimum of 12°C (54°F) to a maximum of 29°C (84°F). Additionally, December tends to be much wetter, with 105 mm (4.1 in) of precipitation over approximately 10 days, in stark contrast to September's dry conditions, which see only 4 mm (0.2 in) of rainfall across no rainy days. The humidity levels are also significantly higher in December at 80%, compared to a more comfortable 55% in September. For more specific details about September weather, you can check Pacific Grove weather in September.
When comparing the weather in December and October, it's evident that October tends to be warmer and drier. In October, temperatures range from a minimum of 10°C (51°F) to a maximum of 25°C (77°F), with an average of 15°C (59°F). In contrast, December experiences cooler temperatures, with a minimum of 8°C (47°F) and a maximum of 21°C (69°F), averaging at 12°C (54°F). Additionally, October has significantly lower precipitation at 21 mm (0.8 in) over just 2 days, while December sees much higher rainfall of 105 mm (4.1 in) spread over 10 days, along with increased humidity levels of 80% compared to October’s 62%. For more details on October weather, check out Pacific Grove weather in October.
In comparing the weather patterns of December and November, December tends to be slightly cooler, featuring an average temperature of 12°C (54°F) compared to November's warmer average of 14°C (57°F). Both months have similar minimum temperatures, but December can reach a maximum of 21°C (69°F), which is just slightly higher than November's maximum of 20°C (68°F). December is notably wetter, with 105 mm (4.1 in) of precipitation over 10 days, while November sees significantly less rainfall at 42 mm (1.7 in) across only 5 days. Humidity levels are also slightly higher in December at 80%, compared to November’s 78%. For a closer look at November's weather specifics, you can refer to Pacific Grove weather in November.
In December, Pacific Grove welcomes cooler temperatures that stand in contrast to the mildness of other months. Daily highs tend to hover around a comfortable 21°C (69°F), while lows dip to a refreshing 8°C (47°F). This month also sees a notable increase in precipitation, with an average of 105 mm (4.1 in) over about 10 days, making it one of the wetter months of the year. Coupled with humidity levels reaching 80%, December provides a unique atmosphere that feels distinct from the drier summer months. For more insights on this coastal city's climate, visit Pacific Grove Climate.