December Weather in Volcano, United States

Last updated: February 24, 2025

In December, Volcano, United States experiences a mild and humid climate, with maximum temperatures reaching up to 22°C (72°F) and an average of 16°C (61°F). The nights can get cooler, dipping to a minimum of 9°C (49°F). This month is marked by substantial rainfall, totaling 218 mm (8.6 in) over approximately 17 days, contributing to an overall humidity level of 81%. The combination of temperatures and precipitation creates a lush, vibrant landscape, making December a unique time to experience the natural beauty of this region.

December Temperature in Volcano

In December, temperatures in Volcano, United States, showcase a subtle chill as winter begins to settle in. The month sees a minimum of 9°C (49°F), reflecting the cooling trend initiated in late fall, while the average temperature hovers around 16°C (61°F), offering a brief glimpse of warmth amidst the winter backdrop. At its peak, the maximum reaches 22°C (72°F), demonstrating a familiar pattern of mild temperatures characteristic of the region throughout the year. December acts as a transitional phase, with temperatures that linger close to the averages seen in the months prior, before plunging into the cooler depths of January. This consistency highlights Volcano's relatively mild winters compared to other regions, making it an appealing destination even during the colder season.

December Weather in Volcano: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Volcano, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec605960616364656665646361
Data source: Temperature data for Volcano generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Volcano

In December, Volcano, United States, experiences a notable shift as precipitation levels reach 218 mm (8.6 in), which is slightly above the monthly average for the year. This month also sees 17 days of rainfall, indicating a steady drizzle that wraps the landscape in a cozy, wet embrace. When contrasted with the heavier rains of February, which averages 430 mm (16.9 in) over 22 days, December stands out for its more moderate but consistent precipitation. The increasing trend towards the year's end highlights a transition from the drier summer months to a wetter winter season, setting the stage for a refreshing start to the new year. While each month brings its own unique weather patterns, December serves as a reminder that the rhythm of nature is ever-present, ushering in the quiet beauty of winter amidst the gentle rains.

December Precipitation Trends in Volcano

The chart displays monthly precipitation patterns in Volcano, with values for each month alongside December's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how December's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec13943034333117610892189132245153218
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

December Humidity in Volcano

In Volcano, United States, December sees an average humidity of 81%, marking a slight dip after a series of consistently high readings over the previous months. The year begins with a stable 79% humidity in January and February, then gradually rises to 84% in August, indicating a trend towards a more humid climate during the summer months. As fall approaches, humidity remains elevated, hovering around 83% through November. December's value reflects this gradual decrease but still showcases the region's overall high-humidity character, underscoring how coastal influences maintain moisture levels throughout the year.

December Average Humidity in Volcano

This chart illustrates the average monthly humidity levels in Volcano, with December's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how December's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec79%79%77%80%80%82%83%84%82%83%83%81%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Volcano

In December, Volcano, United States experiences a UV Index of 8, categorized as very high, which signals a cautious need for sun protection. This month marks a notable decline from the extreme levels seen in the summer, particularly the peak value of 14 in July and August. However, with a burn time of just 15 minutes, it remains crucial for residents and visitors alike to stay vigilant. The overall trend for the year showcases a gradual escalation in UV intensity, peaking during the height of summer before tapering off in the cooler months. As the year wraps up, understanding these changes not only helps in planning outdoor activities but also underscores the importance of protecting skin throughout the seasons. For more insights, visit Volcano UV Index.

Maximum UV Index Levels in Volcano for December

The chart shows the monthly maximum UV Index (UVI) for Volcano in December, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec811121313131414131298
Data source: Volcano December UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

December Sunshine in Volcano

In Volcano, United States, December brings a delightful reprieve from the colder months, with 252 hours of sunshine that capture the essence of winter's charm. Following November's 260 hours, December's daylight hours gently ebb, marking the transition into the new year with slightly less brightness. However, the sunshine still shines strong, especially when compared to the earlier months. Sunlight steadily increases as the year progresses, peaking in the vibrant months of June and July, which bask in a generous 331 and 339 hours, respectively. This seasonal rhythm underscores the region's ability to balance the cozy shadows of winter with the warm embrace of the sun, promising a hopeful glimpse of longer days ahead.

Monthly Sunshine Duration in Volcano: December Highlighted

The December sunshine duration represents the total number of hours Volcano experiences direct sunlight during the month of December, excluding cloudy or obstructed periods. This chart compares the sunshine duration of December with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec212h244h249h284h318h331h339h323h305h283h260h252h
Data source: Volcano December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Volcano During December

In Volcano, United States, December marks a notable dip in the chance of sunny weather, with only a 25% likelihood of sunshine gracing the month. This trend reflects a broader pattern in which late fall and winter months generally exhibit lower probabilities of sunny days. Notably, December follows November, which offers a more promising 38% chance, suggesting that as the year progresses towards winter, residents and visitors may need to prepare for overcast skies. Interestingly, the peak sunshine chances occur in February, hinting at a gradual increase in brightness as winter wanes. Thus, while December may be a cloudier time, the potential for sunnier days looms ahead in the new year.

Percentage of Sunny Days in December in Volcano

The chart illustrates the percentage of sunny days in Volcano throughout the year, with December highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Volcano experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec37%42%22%21%27%29%31%39%33%27%38%25%
Data source: Volcano December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Volcano in December

In Volcano, United States, the daylight duration exhibits a clear seasonal rhythm throughout the year. As winter approaches, December sees a decrease in daylight to just 10 hours, marking the shortest days of the year. This follows the pattern established over the preceding months, where daylight gradually increases from 11 hours in January to a peak of 13 hours during the summer months of May through July. After the summer solstice, the days begin to shorten again, creating a subtle yet natural ebb and flow to the daylight hours. This cyclical trend enhances the experience of each season, showcasing the beauty of nature's transitions in this charming region.

Average Daylight Hours in Volcano for December

The chart illustrates the variation in daylight duration in Volcano throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 5m11h 30m12h 2m12h 35m13h 3m13h 16m13h 9m12h 44m12h 12m11h 39m11h 11m10h 57m
Data source: Volcano daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Volcano

In Volcano, United States, the winds of December blow gently, averaging 2.8 m/s (6 mph), similar to the calm of January and February. Throughout the year, the wind speed exhibits a gentle upward trend, peaking in mid-summer with a robust 3.6 m/s (8 mph) in July and October. As autumn sets in, a noticeable decline occurs, with November experiencing the year’s lowest winds at 2.5 m/s (6 mph). December marks a slight resurgence, maintaining a peaceful breeze that echoes the tranquility of late fall, inviting residents and visitors alike to enjoy the crisp air of the season.

Average December Wind Speed in Volcano

The chart displays monthly wind speed patterns in Volcano, with values for each month shown alongside December's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how December's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec2.82.83.02.93.33.33.63.43.43.62.52.8 m/s
Data source: Volcano December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Volcano Compares to Other Months

The weather in Volcano 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 Volcano and find detailed weather information for every month.

December and January exhibit largely similar weather patterns, with both months featuring mild temperatures. December sees a slight increase in average temperature, typically around 16°C (61°F), compared to January's average of 15°C (60°F). The maximum temperature remains consistent at 22°C (72°F) for both months, while minimum temperatures are also identical at 9°C (49°F). However, December is significantly wetter, receiving 218 mm (8.6 in) of precipitation over 17 days, compared to January’s 139 mm (5.5 in) over 14 days. Additionally, humidity is slightly lower in January at 79%, versus December's 81%. For more detailed insights on the weather conditions, you can check the link: Volcano weather in January.

December and February exhibit similar temperature ranges, with December averaging 16°C (61°F) compared to February's 15°C (59°F). While both months have mild conditions, December experiences slightly warmer minimum temperatures, with lows of 9°C (49°F) against February's 7°C (45°F). However, February is notable for its increased precipitation, receiving 430 mm (16.9 in) over 22 days, significantly higher than December's 218 mm (8.6 in) across 17 days. Additionally, humidity levels remain comparable, with December at 81% and February slightly lower at 79%. For more detailed information, check out Volcano weather in February.

In comparing the weather between December and March, we see some notable similarities and differences. Both months have a minimum temperature of around 9°C (49°F), and average and maximum temperatures remain relatively consistent, with averages near 16°C (61°F) and highs reaching 22°C (72°F). However, March experiences significantly higher precipitation at 343 mm (13.5 in) over 25 days, compared to December's 218 mm (8.6 in) across 17 days. Additionally, March’s humidity is slightly lower at 77%, whereas December sees a higher humidity level of 81%. For those considering travel during this time, more detailed information about weather patterns can be found here: Volcano weather in March.

In December, temperatures range from a minimum of 9°C (49°F) to a maximum of 22°C (72°F), with an average of 16°C (61°F). The month experiences considerable rainfall, totaling 218 mm (8.6 in) over approximately 17 days, and maintains a humidity level of 81%. In contrast, April sees slightly warmer temperatures, with the minimum at 11°C (51°F) and a maximum of 23°C (73°F), while the average remains close to December at 16°C (62°F). However, April is notably wetter, with 331 mm (13.0 in) of precipitation over 22 days and a humidity level of 80%. This increase in rainfall can significantly influence outdoor plans and activities, making it essential to check updates on Volcano weather in April.

In December, temperatures range from a minimum of 9°C (49°F) to a comfortable maximum of 22°C (72°F), with an average of around 16°C (61°F). However, the month sees significant rainfall, with about 218 mm (8.6 in) falling over 17 days, resulting in a high humidity level of 81%. In contrast, May experiences slightly warmer temperatures, with a minimum of 11°C (51°F) and a maximum of 23°C (74°F), averaging 17°C (63°F). While May is relatively drier with 176 mm (6.9 in) of precipitation over 23 days, the humidity remains high at 80%. For more details on weather conditions, check out Volcano weather in May.

When comparing the weather in December and June, we notice some key differences as well as similarities. December tends to be slightly cooler, with temperatures ranging from a minimum of 9°C (49°F) to a maximum of 22°C (72°F), while June's temperatures are a bit warmer, with a minimum of 12°C (54°F) and a maximum of 23°C (74°F). Precipitation levels are notably higher in December at 218 mm (8.6 in) compared to June's 108 mm (4.2 in), though both months experience rainfall for about 17 days. Humidity levels are quite similar, with December at 81% and June at 82%. For those interested in specific weather conditions during June, more details can be found in this resource: Volcano weather in June.

December and July exhibit notable differences in weather patterns. In December, temperatures range from a low of 9°C (49°F) to a high of 22°C (72°F), with an average of 16°C (61°F). This month is characterized by higher precipitation, totaling 218 mm (8.6 in) over 17 days, and a humidity level of 81%. In contrast, July experiences milder temperatures, with a minimum of 13°C (56°F) and a maximum of 24°C (76°F), averaging 18°C (65°F). The precipitation decreases significantly to 92 mm (3.6 in) over 15 days, while humidity remains slightly elevated at 83%. For more detailed information about the weather in July, visit Volcano weather in July.

When comparing the weather in December and August, it’s clear that each month offers distinct conditions. December typically has a milder temperature range, with minimums around 9°C (49°F) and maximums reaching 22°C (72°F), while August is slightly warmer, with minimums of 14°C (57°F) and maximums of 24°C (76°F). Precipitation levels in December are slightly higher, averaging 218 mm (8.6 in) over 17 days, compared to August's 189 mm (7.4 in) and 16 days of rain. Both months maintain high humidity, with December at 81% and August slightly higher at 84%. For more detailed information on weather during August, you can visit Volcano weather in August.

December and September showcase distinct weather patterns. In December, temperatures range from a minimum of 9°C (49°F) to a maximum of 22°C (72°F), with an average of 16°C (61°F). This month is characterized by higher precipitation, totaling 218 mm (8.6 in) over 17 days, and a humidity level of 81%. In contrast, September experiences milder temperatures, with a minimum of 13°C (56°F) and a maximum of 25°C (76°F), averaging 19°C (66°F). Precipitation in September is lower at 132 mm (5.2 in) over 20 days, and humidity is slightly higher at 82%. For more information on weather conditions during this time, you can refer to Volcano weather in September.

When comparing the weather in December and October, December tends to be slightly cooler, with average temperatures ranging from a minimum of 9°C (49°F) to a maximum of 22°C (72°F), compared to October's warmer temperatures, which range from a minimum of 12°C (55°F) to a maximum of 24°C (76°F). Precipitation is relatively high in both months, but October experiences slightly more rain, with a total of 245 mm (9.7 in) over 21 days, compared to December's 218 mm (8.6 in) over 17 days. Humidity levels remain quite similar, with October at 83% and December at 81%. For more detailed insights, you can visit Volcano weather in October.

In comparing the weather between November and December, we observe a slight decrease in temperatures as December features a minimum of 9°C (49°F) and an average of 16°C (61°F), compared to November's minimum of 11°C (52°F) and average of 17°C (63°F). December also experiences a higher total precipitation of 218 mm (8.6 in) over 17 days, while November has 153 mm (6.0 in) across 20 days. Humidity levels remain similar, with December at 81% and November slightly higher at 83%. For those interested in more details about the weather patterns, particularly in Hawaii, you can check Volcano weather in November.

Compare Volcano's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Volcano

As December rolls in, the weather in Volcano transforms, showcasing a vibrant mix of cooler temperatures and increased rainfall compared to other months. While the average warmth dips to a comfortable 16°C (61°F), the 81% humidity adds a unique chill to the air, making it feel brisker during the day. This month experiences a significant uptick in precipitation, with 218 mm spread over 17 days, marking a notable wet season. This contrast not only enriches the lush surroundings but also presents a striking atmosphere for visitors eager to experience the enchanting beauty that Volcano offers. For more insights into the enchanting weather patterns year-round, explore Volcano Climate.