December Weather in Dunedin, United States

Last updated: February 24, 2025

December in Dunedin, United States, brings a mild and refreshing climate, with maximum temperatures peaking at 24°C (76°F) and averaging around 18°C (65°F). As the month progresses, the minimum temperature can drop to a cool 7°C (44°F). This seasonal shift is accompanied by approximately 70 mm (2.8 in) of precipitation over 6 days, making for a relatively damp month. With a humidity level of 84%, residents and visitors alike can expect a comfortable yet moist environment, ideal for enjoying the lush landscapes and vibrant local festivities.

December Temperature in Dunedin

In December, Dunedin experiences a delightful transition towards summer, with temperatures exhibiting a noticeable warmth compared to the preceding months. The minimum temperature settles at 7°C (44°F), while the average climbs to a pleasant 18°C (65°F), peaking at a comfortable 24°C (76°F). This month marks a significant shift from the cooler days of late autumn, providing residents and visitors alike with an inviting atmosphere. As December progresses, the warmth hints at the vibrant summer ahead, making it an ideal time to enjoy outdoor activities and embrace the sunny days that characterize this beautiful region.

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

The chart illustrates December temperature patterns in Dunedin, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec616568727781828281787065
Data source: Temperature data for Dunedin generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Dunedin

In December, Dunedin experiences a notable shift in precipitation with 70 mm (2.8 in) of rain falling over 6 days, marking an increase from the drier months of October and November. This uptick in rainfall hints at the onset of winter, as December's precipitation begins to close in on the heavier summer totals seen in mid-year. The trend towards wetter conditions continues, with December serving as a transitional period that precedes the region's peak rainfall months in the summer. This pattern underscores Dunedin's distinct climate, characterized by its fluctuations between relatively dry spells and the more abundant rainfalls that define the region's seasonal cycles.

December Precipitation Trends in Dunedin

The chart displays monthly precipitation patterns in Dunedin, 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.
JanFebMarAprMayJunJulAugSepOctNovDec43572066103159210221135714771
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Dunedin

December in Dunedin, United States, ushers in a notable uptick in humidity, reaching 84%, the highest point of the year. This increase follows a gradual decline from the summer months, where humidity levels hover around the 80% mark in both January and February. As the year progresses into the cooler autumn months, humidity levels dip slightly, averaging 78% in September and 79% in October. However, November sees a resurgence, bringing humidity back to 82% before December's peak, reflecting the return of moist air as winter approaches. This trend highlights the region's tendency for higher humidity levels during the colder months, creating a distinctive climatic rhythm that characterizes Dunedin's December.

December Average Humidity in Dunedin

This chart illustrates the average monthly humidity levels in Dunedin, 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.
JanFebMarAprMayJunJulAugSepOctNovDec82%82%79%78%76%75%74%75%78%80%82%84%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Dunedin

As the year comes to a close, December in Dunedin, United States, sees a notable dip in the UV Index, dropping to 5, which falls into the moderate exposure category. This marks a shift from the extreme levels experienced in the summer and fall months, where indices peaked at 12 in June and July. With a burn time extending to 30 minutes, December offers a more forgiving environment for outdoor enthusiasts. This trend highlights how the UV Index in Dunedin fluctuates significantly throughout the year, with high levels in the summer giving way to more moderate conditions as colder months approach. It's a reminder to stay aware and protect your skin all year round. For more detailed information, check out Dunedin UV Index.

Maximum UV Index Levels in Dunedin for December

The chart shows the monthly maximum UV Index (UVI) for Dunedin 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.
JanFebMarAprMayJunJulAugSepOctNovDec689111112121111975
Data source: Dunedin 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 Dunedin

December in Dunedin, United States, bids farewell to autumn with 267 hours of sunshine, marking a gradual decrease from the luminous 337 hours in May. As the year transitions towards winter, sunlight remains a cherished companion, though it is eclipsed by the brighter months that precede it. Interestingly, the sunshine hours begin to taper off in late autumn, with November's total of 280 hours hinting at the impending shorter days of December. However, this month still shines brighter than many winter counterparts, reflecting a robust trend of decreasing daylight yet maintaining a welcoming warmth. It's a beautiful close to the year—Dunedin's December sunlight offers a serene backdrop for reflection and celebration amidst the crisp, invigorating air.

Monthly Sunshine Duration in Dunedin: December Highlighted

The December sunshine duration represents the total number of hours Dunedin 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.
JanFebMarAprMayJunJulAugSepOctNovDec219h263h318h320h337h306h321h318h312h302h280h267h
Data source: Dunedin December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Dunedin During December

As December rolls into Dunedin, the likelihood of enjoying sunny weather remains a pleasant highlight, with a 56% chance of sunshine. This figure marks a slight increase from November's 55%, continuing the upward trend in sunshine probability as the year wraps up. Interestingly, December’s percentage is notably higher than the winter months of June (18%) and July (22%), suggesting that while the colder season approaches, residents can still expect a reasonable amount of bright days. Overall, December offers a promising mix of sunshine, setting the stage for cheerful holiday festivities amidst a generally milder winter ambiance.

Percentage of Sunny Days in December in Dunedin

The chart illustrates the percentage of sunny days in Dunedin 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 Dunedin experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec37%49%53%60%58%18%22%17%32%51%55%56%
Data source: Dunedin December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Dunedin in December

In Dunedin, the daylight duration showcases a striking seasonal rhythm, with the shortest days occurring in December. As the year progresses from January's 10 hours of daylight to March's peak of 12 hours, the sunlight gradually increases, reaching a zenith in late spring and early summer. The long summer days, characterized by 13 hours of light from May through August, provide ample opportunity for outdoor activities and exploration. However, as autumn sets in, daylight begins to wane, reverting back to 10 hours by December, mirroring the light conditions at the start of the year. This cyclical pattern not only marks the changing seasons but also shapes the lifestyle of the Dunedin community throughout the year.

Average Daylight Hours in Dunedin for December

The chart illustrates the variation in daylight duration in Dunedin throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 35m11h 12m12h12h 50m13h 32m13h 52m13h 41m13h 4m12h 16m11h 27m10h 44m10h 23m
Data source: Dunedin daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Dunedin

As December rolls into Dunedin, a noticeable shift occurs in the wind patterns, marking the transition into winter. With an average wind speed of 3.7 m/s (8 mph), December experiences the gentlest breezes of the year, a significant drop from the windier months of late spring and early fall. This decline contrasts sharply with the year's peaks, particularly in February, where the winds reach an average of 5.4 m/s (12 mph). The overall trend shows a gradual wind speed reduction as the year progresses, with December standing out as a calm conclusion to the blustery season, inviting residents and visitors alike to enjoy the tranquil beauty of the area amidst the cooler temperatures.

Average December Wind Speed in Dunedin

The chart displays monthly wind speed patterns in Dunedin, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.95.45.05.05.14.23.94.23.54.75.13.7 m/s
Data source: Dunedin December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Dunedin Compares to Other Months

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

In December, the weather in Dunedin is generally warm, with temperatures ranging from a minimum of 7°C (44°F) to a comfortable average of 18°C (65°F) and reaching a peak of 24°C (76°F). The month experiences 70 mm (2.8 in) of precipitation over about 6 days, and humidity remains relatively high at 84%. In contrast, January sees slightly cooler conditions, with a minimum temperature of 2°C (36°F) and an average of 16°C (61°F), while still reaching a maximum of 24°C (75°F). Precipitation decreases to 43 mm (1.7 in) over just 4 days, and humidity is slightly lower at 82%. For more detailed information, you can check out Dunedin weather in January.

In December, the weather is pleasant with temperatures ranging from a minimum of 7°C (44°F) to a maximum of 24°C (76°F), averaging around 18°C (65°F). The month experiences a fair amount of precipitation at 70 mm (2.8 in), spread over approximately six days, with a high humidity level of 84%. By contrast, February sees a slight increase in temperature, with minimums of 8°C (47°F) and maximums of 25°C (78°F), while still maintaining the same average of 18°C (65°F). Precipitation drops to 57 mm (2.2 in) over about five days, accompanied by a marginally lower humidity of 82%. For a more detailed look at February weather, visit Dunedin weather in February.

In December, the weather is generally warm with temperatures ranging from a minimum of 7°C (44°F) to a maximum of 24°C (76°F), and an average of 18°C (65°F). The month experiences more rainfall, with about 70 mm (2.8 in) of precipitation over roughly 6 days, resulting in a higher humidity level of 84%.

In contrast, March features slightly cooler temperatures, with a minimum of 7°C (46°F) and a maximum of 26°C (79°F), averaging around 20°C (68°F). The month is drier, receiving only 20 mm (0.8 in) of precipitation over about 3 days, and humidity is a bit lower at 79%.

For a more detailed look at the weather patterns, you can check out Dunedin weather in March.

In December, temperatures in Dunedin tend to range from a minimum of 7°C (44°F) to a maximum of 24°C (76°F), with an average temperature of 18°C (65°F). The month sees about 70 mm (2.8 in) of precipitation over approximately 6 days and experiences a relatively high humidity level of 84%. In contrast, April boasts warmer temperatures, with a minimum of 12°C (54°F) and a maximum of 28°C (83°F), resulting in a more comfortable average of 22°C (73°F). Precipitation for April is slightly lower at 66 mm (2.6 in) over 7 days, and the humidity decreases to 78%. For more detailed insights on April weather, you can visit Dunedin weather in April.

When comparing the weather in December and May, notable differences emerge. December boasts milder temperatures, with a minimum of 7°C (44°F) and an average of 18°C (65°F), while May presents warmer conditions, starting at a minimum of 18°C (64°F) and averaging 25°C (77°F). Precipitation is more prevalent in May, with 103 mm (4.0 in) over 9 days compared to December's 70 mm (2.8 in) over 6 days. Interestingly, humidity levels are higher in December at 84%, while in May, it remains a comfortable 76%. For more detailed insights on May weather, check out Dunedin weather in May.

The weather in December features milder temperatures, with a minimum of 7°C (44°F) and an average of 18°C (65°F), peaking at a maximum of 24°C (76°F). In contrast, June showcases significantly warmer conditions, starting at a minimum of 23°C (74°F) and reaching an average of 27°C (81°F), with highs around 32°C (89°F). While December experiences relatively light precipitation of 70 mm (2.8 in) over just 6 days, June is much wetter, with 159 mm (6.3 in) of rain spread over 19 days. Additionally, December's humidity is notably high at 84%, compared to June's more moderate level of 75%. For a detailed look at June's weather specifics, you can refer to Dunedin weather in June.

December weather in Dunedin offers a milder climate with average temperatures ranging from a minimum of 7°C (44°F) to a maximum of 24°C (76°F), accompanied by relatively low humidity at 84%. In contrast, July presents a much warmer atmosphere, with average temperatures ranging from 24°C (76°F) to 32°C (89°F), though it also experiences higher precipitation at 210 mm (8.3 in) over 25 days, resulting in lower humidity levels at 74%. This stark difference highlights December’s cooler and drier conditions compared to the warm and wetter climate of July. For more details, check out Dunedin weather in July.

In December, the weather is generally milder, with temperatures ranging from a minimum of 7°C (44°F) to a maximum of 24°C (76°F), and an average of 18°C (65°F). Precipitation is moderate, with about 70 mm (2.8 in) over approximately 6 days, and humidity levels are relatively high at 84%. In contrast, August is notably warmer, with temperatures spanning from a minimum of 25°C (77°F) to a maximum of 32°C (90°F), averaging around 28°C (83°F). However, August is also much wetter, experiencing 221 mm (8.7 in) of precipitation over 25 days, while humidity is slightly lower at 74%. For more detailed insights, check out Dunedin weather in August.

In December, the weather is milder with average temperatures ranging from a minimum of 7°C (44°F) to a maximum of 24°C (76°F), making it more comfortable for outdoor activities. The humidity is higher at 84%, and there is some precipitation, with around 70 mm (2.8 in) expected over about six days. In contrast, September presents a warmer climate, featuring an average temperature that varies from 23°C (74°F) to 32°C (89°F), but it also experiences heavier rainfall, totaling 135 mm (5.3 in) over 18 days. While September has lower humidity at 78%, the frequency of rain can make it feel quite different. For more details on weather conditions in September, check out Dunedin weather in September.

When comparing the weather in December and October, December tends to be cooler with temperatures ranging from a minimum of 7°C (44°F) to a maximum of 24°C (76°F), whereas October features warmer temperatures, with a minimum of 15°C (59°F) and a maximum of 31°C (87°F). Both months experience similar precipitation levels—around 70 mm (2.8 in)—but October has slightly more rainy days, totaling 10 compared to December's 6 days of precipitation. Additionally, December's humidity is higher at 84%, compared to October's 79%, indicating a more humid feel during the winter month. For more detailed information, you can check out Dunedin weather in October.

In comparing the weather of December and November, December tends to be cooler overall, with average temperatures ranging from a minimum of 7°C (44°F) to a maximum of 24°C (76°F). In contrast, November enjoys slightly warmer temperatures, with a minimum of 11°C (52°F) and a maximum of 28°C (82°F). Additionally, December experiences more precipitation, totaling 70 mm (2.8 inches) over 6 days, compared to November's 46 mm (1.8 inches) during the same number of days. Both months exhibit similar humidity levels, with December at 84% and November at 82%. For more detailed information, you can check Dunedin weather in November.

Compare Dunedin's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Dunedin

As December arrives in Dunedin, the weather takes on a warm and inviting character, standing out distinctly from the cooler months that precede it. With temperatures averaging around 18°C (65°F), residents and visitors revel in milder days, particularly as the maximum can reach a delightful 24°C (76°F). The increase in warmth is accompanied by a touch of humidity, peaking at 84%, which can make the air feel a bit more tropical. While December does see some rain, with about 70 mm expected over a handful of days, the comparatively pleasant weather typically outweighs these brief showers. This blend of warmth and moisture creates an appealing atmosphere for outdoor activities, marking the onset of Dunedin's summer allure. For more insights into the city's climate, check out Dunedin Climate.