Last updated: August 31, 2025
December in Port Chalmers, New Zealand, offers a delightful blend of summer warmth and coastal charm. With maximum temperatures reaching 27°C (80°F) and an average of 14°C (58°F), the weather invites both locals and visitors to bask in the outdoors. However, the month also brings about a unique character, with 15 days of rain contributing to a total precipitation of 105 mm (4.1 in), fostering lush landscapes. Humidity levels average around 81%, adding to the refreshing coastal atmosphere. Embrace the seasonal diversity as you explore the beauty of Port Chalmers in December!
In December, Port Chalmers, New Zealand, experiences a pleasant transition into summer, with temperatures showing a steady rise. The minimum temperature hovers around 4°C (39°F), providing a mild start to the days, while the average temperature reaches a comfortable 14°C (58°F). As the days progress, the mercury can soar to a maximum of 27°C (80°F), making it one of the warmest months of the year. This trend of increasing warmth is consistent as the year comes to a close, showcasing Port Chalmers' charm as a vibrant summer destination. With clear skies and moderate heat, it's the perfect time for outdoor adventures and enjoying the coastal beauty.
December in Port Chalmers sees a notable increase in precipitation, with 105 mm (4.1 in) of rain falling over 15 days—making it the wettest month of the year. This uptick marks a continuation of the trend observed in the previous months, notably November's 96 mm (3.8 in), suggesting a trend towards wetter conditions as summer approaches. The consistent rainfall also indicates a shift from the drier months earlier in the year, such as May with only 45 mm (1.8 in) and June at 37 mm (1.4 in). With almost half the month experiencing rain, December offers a dynamic weather pattern that contributes to the lush landscapes characteristic of the region, setting the stage for a vibrant summer in New Zealand.
In Port Chalmers, New Zealand, December welcomes a humidity level of 81%, slightly higher than the preceding month’s 78%. This uptick is part of a broader trend observed throughout the year, where humidity consistently hovers around the low to mid 80s during the winter months, peaking at 85% in both June and July. As summer approaches, humidity levels tend to gradually decrease, with January reaching 79%. Overall, December's humidity reflects a stable yet dynamic climate, providing a refreshing coastal atmosphere as the year draws to a close.
December in Port Chalmers, New Zealand, brings back the intense summer sun with a UV Index soaring to 12, categorized as extreme. This means that sunburn can occur in as little as 10 minutes of unprotected exposure. Following a trend observed from earlier months, December maintains a high UV Index similar to January and February, which also faced extreme levels. As the year winds down, it's essential for residents and visitors alike to stay vigilant about sun safety. Given the serious potential for skin damage, be sure to check the latest updates and advice on sun protection at Port Chalmers UV Index.
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December in Port Chalmers, New Zealand, shines brightly with an impressive 319 hours of sunshine, marking the end of the year with a spectacular flourish. This climactic month stands out as a beacon of light compared to the preceding winter months, such as June, which sees only 158 hours. In fact, sunshine hours steadily increase from the chilly depths of winter, culminating in December's radiant display. The trend reveals a delightful progression of warmth and brightness, as the sun perks up the skies from 188 hours in May to a robust 296 hours in November. As summer encroaches, the vibrant increase in sunshine hours enhances the charm of Port Chalmers, inviting both locals and visitors to bask in its outdoor beauty under a generous sun.
In Port Chalmers, New Zealand, December sees a 27% chance of sunny weather, mirroring the sunniest months of January and October. This trend highlights a generally cool and overcast climate as the year winds down, contrasting sharply with the brighter days found in the middle of the year, particularly in March and April when the chances of sunshine peak at 40% and 47%, respectively. Interestingly, as we transition from spring to summer, the probability of sunny weather fluctuates, but December remains on the lower end of the spectrum. Despite the oceanic allure, visitors should prepare for a blend of sun and clouds during this month.
In Port Chalmers, New Zealand, the daylight duration showcases a rhythmic ebb and flow throughout the year, with December standing out as a peak month, offering an impressive 15 hours of daylight. This extends from the beautiful stretch of 14 hours in November and mirrors the long days of January, where daylight again reaches a vibrant 15 hours. As summer approaches, the transition into February sees a slight decline to 13 hours, paving the way for the cooler months ahead. From there, daylight gradually diminishes, dropping to 12 hours in March and 10 hours in April, before reaching its annual low of just 8 hours in June. However, as winter gives way to spring, daylight starts its ascent once more, rising back to 10 hours in August and culminating in the refreshing 15 hours in December, emphasizing the seasonal interplay that characterizes this charming coastal town.
As the year winds down, December brings a gentle average wind speed of 3.7 m/s (8 mph) to Port Chalmers, New Zealand). This slight uptick follows a pattern seen in the previous months, where wind speeds tend to vary but rarely stray far from the calm breezes of winter. Notably, January and October boast the highest averages at 4.2 m/s (9 mph), suggesting that the summer months breathe a bit more life into the wind. In contrast, the winter months, particularly June, experience the most tranquil conditions with a low of 2.9 m/s (6 mph). December's moderate winds reflect the transitional essence of the season, bridging the year with a refreshing, inviting atmosphere that epitomizes the spirit of this coastal haven.
Weather in Port Chalmers varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Port Chalmers, focusing on differences in temperature, rainfall, humidity, and UV levels.
December and January exhibit relatively mild weather, though there are some distinctions worth noting. In December, temperatures range from a minimum of 4°C (39°F) to a maximum of 27°C (80°F), with an average of 14°C (58°F). The month sees 105 mm (4.1 in) of precipitation over approximately 15 days, and humidity levels hover around 81%.
In contrast, January experiences slightly warmer temperatures, with a minimum of 5°C (42°F), an average of 15°C (60°F), and a maximum of 31°C (88°F). Precipitation decreases slightly to 96 mm (3.8 in) over 13 days, and humidity dips to 79%. For more detailed insights into the weather in January, you can visit Port Chalmers weather in January.
In comparing the weather between December and February, both months exhibit mild temperatures, but February tends to be slightly warmer overall. December has a minimum temperature of 4°C (39°F) and an average of 14°C (58°F), peaking at 27°C (80°F), while February features a lower minimum of 2°C (37°F) and an average of 15°C (59°F), reaching a higher maximum of 32°C (91°F). Precipitation levels are relatively comparable, with December receiving about 105 mm (4.1 in) over 15 days, while February sees slightly less at 100 mm (3.9 in) across 10 days. Additionally, humidity is higher in December at 81%, compared to February's 76%. For more detailed information, you can visit Port Chalmers weather in February.
December and March showcase a subtle yet distinct difference in weather patterns. December typically experiences slightly higher maximum temperatures, peaking at 27°C (80°F), compared to March's maximum of 29°C (85°F), while both months share a similar average temperature of around 14°C (58°F). Notably, December sees more precipitation, with 105 mm (4.1 in) over 15 days, compared to the 52 mm (2.1 in) spread over just 10 days in March. Humidity levels are also marginally higher in December at 81%, compared to 78% in March, indicating a drier feel as summer progresses. For further details, you can check out Port Chalmers weather in March.
December and April showcase distinct weather patterns, reflecting the transition from late spring into early autumn. In December, temperatures range from a minimum of 4°C (39°F) to a pleasant average of 14°C (58°F), with daytime highs reaching up to 27°C (80°F). This month experiences more rainfall, totaling 105 mm (4.1 in) over 15 days, while maintaining a humidity level of 81%. In contrast, April features cooler temperatures, with a minimum of 0°C (31°F) and an average of 11°C (52°F), peaking at a maximum of 26°C (79°F). The precipitation in April is lighter at 69 mm (2.7 in) across 11 days, yet it still maintains the same humidity level of 81%. For more insights on April weather, visit Port Chalmers weather in April.
When comparing the weather in December and May, notable differences emerge. December typically features a warmer climate, with temperatures ranging from a minimum of 4°C (39°F) to a maximum of 27°C (80°F) and an average of 14°C (58°F). This month also experiences higher precipitation levels, with 105 mm (4.1 in) recorded over approximately 15 days and an average humidity of 81%. In contrast, May is considerably cooler, with temperatures ranging from a minimum of -3°C (26°F) to a maximum of 20°C (68°F) and an average of 8°C (47°F). Rainfall is less frequent, totaling 45 mm (1.8 in) over 9 days, and the humidity rises slightly to 84%. For a detailed look at conditions, you can visit Port Chalmers weather in May.
In comparing December and June weather, December showcases milder temperatures with a minimum of 4°C (39°F) and an average high of 27°C (80°F). During this month, the region experiences higher precipitation levels at 105 mm (4.1 in) over about 15 days, coupled with a relatively high humidity of 81%. In contrast, June is noticeably cooler, with temperatures dropping to a minimum of -4°C (25°F) and a maximum of 21°C (70°F). Precipitation decreases significantly to 37 mm (1.4 in) over 9 days, although humidity remains high at 85%. For a detailed look at June weather, you can visit Port Chalmers weather in June.
In comparing the weather between December and July, December showcases much warmer temperatures with a minimum of 4°C (39°F) and an average high of 27°C (80°F), while July experiences colder conditions, with a minimum of -5°C (23°F) and a maximum of only 16°C (62°F). December also sees more precipitation, averaging 105 mm (4.1 in) over 15 days, compared to July's lighter rainfall of 63 mm (2.5 in) spread over just 10 days. Despite the warmer temperatures in December, July has a slightly higher humidity level at 85%, compared to December's 81%. For more details, check out Port Chalmers weather in July.
When comparing the weather in December and August, one can observe significant differences in temperature and precipitation. December enjoys warmer temperatures, with a minimum of 4°C (39°F) and an average of 14°C (58°F), peaking at 27°C (80°F). In contrast, August experiences much colder conditions, with a minimum of -4°C (25°F) and an average of only 7°C (45°F), with a maximum of 20°C (68°F). Precipitation levels are higher in December at 105 mm (4.1 in) over 15 days, compared to just 40 mm (1.6 in) across 12 days in August, making the latter a relatively drier month. Humidity levels are also slightly higher in August at 84%, compared to 81% in December. For those interested in specifics about August weather, further details can be found at Port Chalmers weather in August.
The weather in December is significantly warmer than in September, with average temperatures ranging from a minimum of 4°C (39°F) to a maximum of 27°C (80°F), compared to September's range of -2°C (28°F) to 22°C (72°F). December also experiences higher precipitation, totaling 105 mm (4.1 in) over approximately 15 days, whereas September sees less rainfall at 57 mm (2.2 in) over 12 days. Both months have high humidity, but December's 81% is slightly lower than September's 83%. For more detailed weather information specific to September, you can check Port Chalmers weather in September.
When comparing the weather in December to October, December generally experiences warmer temperatures, with averages ranging from a minimum of 4°C (39°F) to a maximum of 27°C (80°F), whereas October's temperatures range from 0°C (32°F) to 24°C (75°F). Additionally, December sees a higher average precipitation of 105 mm (4.1 in) over 15 days, compared to October's 81 mm (3.2 in) across 14 days. Humidity levels are relatively similar, with December at 81% and October slightly lower at 80%. For a more detailed look at October weather, you can visit Port Chalmers weather in October.
In comparing the weather of December and November, December typically experiences a slightly warmer climate, with average temperatures ranging from a minimum of 4°C (39°F) to a maximum of 27°C (80°F), compared to November's range of 1°C (34°F) to a maximum of 27°C (81°F). Precipitation levels in December are also a bit higher, totaling 105 mm (4.1 in) over 15 days versus November's 96 mm (3.8 in) over the same number of days. Additionally, December has a slightly higher humidity level at 81%, compared to November's 78%. These variations indicate a transition towards warmer and more humid conditions as the year draws to a close. For a detailed look at November weather, check out Port Chalmers weather in November.
December in Port Chalmers heralds the arrival of summer, bringing warmer days that significantly contrast with the chill of winter. With temperatures rising to a maximum of 27°C, residents and visitors can enjoy more outdoor activities despite the increased humidity and precipitation. The month sees around 15 rainy days, which adds a refreshing element to the otherwise vibrant scenery. As the region transitions from cooler months, December sets the stage for the lush beauty of summer. For a deeper look at how the climate unfolds throughout the year, be sure to explore Port Chalmers Climate.