Last updated: August 31, 2025
Experience the charm of Mission Bay, New Zealand in December, where summer beckons with temperatures ranging from a comfortable 12°C (54°F) to a delightful 25°C (77°F). With an average temperature of 19°C (67°F), visitors can enjoy a pleasant climate perfect for outdoor activities. However, be prepared for the occasional rain, as December sees 72 mm (2.8 in) of precipitation over 12 days, adding a refreshing touch to the warm days. Humidity hovers around 78%, enhancing the lush, vibrant atmosphere that characterizes this stunning coastal destination. Whether you're soaking up the sun or strolling along the beautiful beach, Mission Bay's December weather creates an inviting ambiance for all.
In December, Mission Bay, New Zealand experiences delightful summer temperatures that create the perfect backdrop for outdoor activities. With a minimum temperature of 12°C (54°F) and a comfortable average of 19°C (67°F), the days are pleasantly warm. As temperatures peak at around 25°C (77°F), residents and visitors alike delight in the balmy weather, ideal for beach outings and picnics. This month marks a transition into the warmest season, where the gradual warming trend from earlier months culminates in inviting days that beckon one to embrace the vibrant outdoor lifestyle that Mission Bay has to offer.
In Mission Bay, New Zealand, December brings a moderate precipitation amount of 72 mm (2.8 in), making it one of the wetter months as the region heads towards summer. While the rainfall is plentiful, it is noticeably less than the peak encountered in mid-winter months like June and August, which average over 100 mm. December experiences a shift from the rainy streak of spring, with the number of precipitation days sitting at 12, consistent with the wetter trend noted earlier in the year. This slight reduction hints at a welcome transition towards drier, sunnier weather as the year draws to a close, encouraging outdoor activities and the vibrant life of summer in the bay.
In December, Mission Bay experiences a slight dip in humidity at 78%, just below the year-end average. This month marks a gradual transition from the peak humidity levels seen in the cooler winter months, which reach highs of 83% in July and 82% in June. As summer approaches, the humidity stabilizes, with December's levels mirroring the steady 80% seen in several months prior, such as November and the preceding spring months. Overall, while December showcases a brief decrease from the summer months, it maintains the overall trend of high humidity that characterizes the region throughout the year.
In December, Mission Bay, New Zealand, experiences a notable UV Index of 13, categorizing it as extreme and necessitating a burn time of just 10 minutes for unprotected skin. This trend of high UV exposure continues from the preceding months, ultimately peaking at the year's highest values in January and February. Following December, the UV Index smooths out slightly, but remains significant in the early months of the year. As summer approaches, it's essential for residents and visitors alike to stay vigilant against sun exposure and to protect their skin. For more detailed insights on seasonal variations, visit Mission Bay UV Index.
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In December, Mission Bay basks in a stunning 346 hours of sunshine, marking the peak of the year’s bright moments. This vibrant month stands out against the backdrop of seasonal fluctuations, where sunshine hours typically dwindle from January's 284 hours to a winter low of 187 hours in June. As we transition from spring to summer, December’s radiant days signal a dramatic rebound, offering nearly 40 hours more of sunshine than both November and 20 hours more than the previous month. This delightful abundance of sunlight not only enhances outdoor activities but also inspires a sense of joy and relaxation among locals and visitors alike, making December a truly enchanting time in Mission Bay.
In Mission Bay, New Zealand, the likelihood of experiencing sunny weather in December sees a notable dip, with only a 25% chance of sunshine. This decline marks a consistent trend as we move through the spring months; December's likelihood is lower than most preceding months, including November's 36%. Interestingly, this pattern suggests that as the year winds down, sunshine becomes less frequent, contrasting sharply with the peak summer months of January and February, where the chances soar to 48% and 42% respectively. While December may not offer the sunniest skies, it still provides a tranquil beauty as the summer season approaches.
In Mission Bay, New Zealand, the daylight duration exhibits a captivating seasonal rhythm throughout the year. As January ushers in the peak of summer, residents enjoy a generous 14 hours of daylight, a trend mirrored again in December. This generous illumination gives way to a gradual decline as the months progress, with light gradually tapering to 11 hours by April. The days become shorter as winter approaches, reaching a minimum of 9 hours in both June and July. However, nature's cycle brings a gradual increase again, with daylight stretching back to 10 hours in August and slowly ascending to 14 hours once more by the year's end. This ebb and flow of daylight not only defines the changing seasons but also enhances the beauty and vibrancy of life in Mission Bay.
As December embraces Mission Bay, the winds begin to pick up, averaging 5.1 m/s (11 mph), slightly above the tail end of the autumn months. Following a dip in November, where winds softened to 3.8 m/s (9 mph), December transitions us into a breezier season, with wind speeds reflecting a typical summery increase. This incremental rise signals the onset of summer, paralleling the pattern seen earlier in the year where July and August showcased their peak gusts at 5.2 m/s (12 mph) and 5.6 m/s (13 mph), respectively. As the year closes, the winds at Mission Bay remind us of nature's rhythmic dance, compelling visitors and locals alike to enjoy the revitalizing allure of the coastal breeze.
Weather in Mission Bay varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Mission Bay, focusing on differences in temperature, rainfall, humidity, and UV levels.
In December, temperatures range from a minimum of 12°C (54°F) to a maximum of 25°C (77°F), with an average of 19°C (67°F). The month sees about 72 mm (2.8 in) of precipitation over 12 days, accompanied by humidity levels around 78%. In contrast, January experiences slightly warmer temperatures, with a minimum of 13°C (56°F) and a maximum of 26°C (79°F), averaging 20°C (69°F). Precipitation decreases to 56 mm (2.2 in) over just 7 days, and humidity remains relatively high at 79%. For more detailed weather information specific to January, you can visit Mission Bay weather in January.
December and February exhibit relatively mild weather conditions, with December featuring an average temperature range of 19°C (67°F) and February slightly warmer at 21°C (70°F). In December, the temperature fluctuates between a minimum of 12°C (54°F) and a maximum of 25°C (77°F), while February sees a minimum of 14°C (57°F) and a maximum of 27°C (80°F). Precipitation is somewhat similar, with December receiving 72 mm (2.8 in) over 12 days and February slightly increasing to 78 mm (3.1 in) across 9 days. Humidity levels are quite comparable, with December at 78% and February slightly lower at 76%. For more detailed insights, check out Mission Bay weather in February.
In December, the weather is pleasantly warm with temperatures ranging from a minimum of 12°C (54°F) to a maximum of 25°C (77°F) and an average of 19°C (67°F). It experiences about 72 mm (2.8 in) of precipitation over 12 days, contributing to a relatively high humidity level of 78%. In contrast, March sees a slight increase in the minimum temperature at 13°C (56°F) and maintains the same maximum temperature of 25°C (77°F), with an average of 20°C (68°F). The precipitation rises to 87 mm (3.4 in) over 13 days, along with a marginally lower humidity of 74%. For more details about the weather during this month, you can visit Mission Bay weather in March.
In December, temperatures range from a mild 12°C (54°F) at night to a pleasant average of 19°C (67°F) during the day, peaking at 25°C (77°F). The month experiences around 72 mm (2.8 in) of precipitation over 12 days, with humidity levels at 78%, creating a warm and somewhat humid atmosphere. In contrast, April sees slightly cooler temperatures, with a minimum of 11°C (51°F), an average of 18°C (64°F), and a maximum of 24°C (75°F). However, it experiences more precipitation at 100 mm (3.9 in) over 11 days, while the humidity is slightly lower at 74%. For additional details on what to expect, you can check Mission Bay weather in April.
When comparing the weather in December and May, it's clear that December tends to be warmer overall. December boasts average temperatures ranging from a mild 19°C (67°F) to a high of 25°C (77°F), while May's temperatures are cooler, with averages between 7°C (45°F) and 21°C (70°F). Additionally, December experiences slightly less precipitation at 72 mm (2.8 in) over 12 days, compared to May's 84 mm (3.3 in) across 11 days. Humidity levels are similar in both months, with December at 78% and May at 80%. For more details on May weather, you can visit Mission Bay weather in May.
When comparing the weather in December and June, December boasts warmer temperatures with a minimum of 12°C (54°F) and an average of 19°C (67°F), peaking at a comfortable 25°C (77°F). In contrast, June experiences cooler conditions, starting at a minimum of 7°C (45°F) and reaching a maximum of only 19°C (67°F), with an average temperature of 13°C (56°F). Additionally, June sees more rainfall, with 107 mm (4.2 in) spread over 12 days, compared to December's 72 mm (2.8 in) over the same number of days. Both months experience high humidity levels, but June is slightly more humid at 82% compared to December's 78%. For a closer look at June weather specifics, you can check Mission Bay weather in June.
December weather typically offers a warmer and more pleasant experience than July, with average temperatures ranging from a minimum of 12°C (54°F) to a maximum of 25°C (77°F). In contrast, July sees cooler temperatures, averaging between 5°C (41°F) and 18°C (64°F), which can feel quite brisk. Both months experience considerable rainfall, but July is notably wetter, with 102 mm (4.0 in) of precipitation over 13 days compared to December's 72 mm (2.8 in) over 12 days. Humidity levels are slightly higher in July at 83%, compared to December’s 78%, suggesting that the cooler month may feel a bit more oppressive. For more details on July weather, you can check Mission Bay weather in July.
When comparing the weather in December and August, notable differences emerge. December typically features milder temperatures, with minimums around 12°C (54°F) and maximums reaching 25°C (77°F), contrasted with August's cooler temperatures, where minimums drop to 7°C (45°F) and maximums hover around 18°C (65°F). December also experiences less precipitation, with 72 mm (2.8 in) over 12 days, whereas August sees a heftier 114 mm (4.5 in) spread over 15 days. Humidity levels are fairly similar, with December at 78% and August at 80%. For more detailed information about August weather, you can visit Mission Bay weather in August.
When comparing the weather in December and September, December typically offers warmer temperatures, with a minimum of 12°C (54°F) and an average high of 25°C (77°F), while September sees cooler conditions, featuring a minimum of 6°C (43°F) and a maximum of 20°C (68°F). Precipitation is more abundant in September, totaling 111 mm (4.4 in) over 14 days, compared to December's 72 mm (2.8 in) across 12 days. Humidity levels are slightly lower in December at 78% compared to September's 80%, suggesting that December is generally more pleasant and drier. For an in-depth look at September weather, you can check Mission Bay weather in September.
In comparing the weather of December and October, December tends to be warmer with average temperatures ranging from a minimum of 12°C (54°F) to a maximum of 25°C (77°F), while October experiences cooler temperatures between 8°C (47°F) and 21°C (71°F). Despite December having slightly lower precipitation totals at 72 mm (2.8 in) over 12 days compared to October’s 81 mm (3.2 in) over 14 days, the humidity levels remain similar, with December at 78% and October at 80%. For more detailed weather information during October, you can visit Mission Bay weather in October.
In comparing the weather of December and November, December is typically slightly warmer, with average temperatures ranging from a minimum of 12°C (54°F) to a maximum of 25°C (77°F), compared to November's range of 11°C (53°F) to 23°C (73°F). Precipitation levels are also lower in December, with 72 mm (2.8 in) over 12 days, while November sees a bit more rain at 80 mm (3.2 in) with the same number of rainy days. Humidity remains quite similar, at 78% in December and 80% in November. For a more detailed look at November's weather, you can check Mission Bay weather in November.
As December rolls into Mission Bay, the weather showcases a delightful shift, with warmer temperatures and increased humidity compared to the previous months. The average daytime lows bring a touch of summer warmth, making it ideal for beach outings and outdoor activities. However, be prepared for the occasional rain, as December experiences more precipitation days than earlier months. This combination of warmth and the vibrant atmosphere truly marks December as a unique time to explore the beautiful coastal area. For a deeper look into what to expect throughout the year, check out Mission Bay Climate.