Last updated: August 31, 2025
December in Ashburton, New Zealand, showcases a delightful blend of warm temperatures and vibrant weather patterns. With maximum temperatures reaching up to 28°C (82°F) and an average of 16°C (61°F), this month invites outdoor activities under the sun. However, the minimum temperature can drop to 7°C (46°F), reminding residents of the region's cooler breezes. Rainfall is notable, with a total of 94 mm (3.7 in) falling over 12 days, contributing to a humidity level of 81% that keeps the air refreshingly crisp. This dynamic climate makes December a quintessential summer month in Ashburton, perfect for enjoying the beauty of New Zealand's landscapes.
In December, Ashburton, New Zealand, basks in the warmth of the southern summer, with temperatures showcasing a gradual climb from the cooler months. The month typically sees a minimum temperature of 7°C (46°F) and an average of 16°C (61°F), culminating in a maximum of 28°C (82°F). This upward trend from the preceding months emphasizes a shift towards more pleasant, sun-soaked days, where longer daylight hours invite outdoor activities. While the temperatures may still dip slightly during the night, the overall warmth makes December an inviting time to explore the region's stunning landscapes and vibrant local culture.
In December, Ashburton experiences a climatic surge, marking the wettest month of the year with 94 mm (3.7 in) of precipitation. This increase is accompanied by 12 days of rainfall, suggesting a shift from the relatively dry conditions of earlier months, such as August and January, which saw significantly less precipitation. The trend is clear: as summer approaches, the skies open up, delivering more moisture and lushness to the region. This pattern not only enriches the landscape but also prepares the soil for the flourishing growth that characterizes the warmer months ahead.
In December, Ashburton experiences a humidity level of 81%, reflecting a slight increase from the previous month's 78%. This uptick continues the trend of elevated humidity seen during the latter part of the year, particularly from May to August, where levels peaked at 85% during the mid-winter months. As the year approaches its end, humidity begins to stabilize in the low 80% range, suggesting a shift from the dry conditions of spring to the more humid summer atmosphere. Overall, the consistent high humidity levels signify a transition into warm, moist weather typical of New Zealand’s southern summer.
In December, Ashburton experiences a significant surge in UV levels, recording a UV Index of 12, which falls into the extreme exposure category with a burn time of just 10 minutes. This trend mirrors the intensity felt in January and February, highlighting a peak in UV radiation during the Southern Hemisphere's summer months. Following a gradual decline in the UV Index from autumn through winter, where levels reach as low as 2 in June and July, the summer months demand vigilance against sun exposure. As the year progresses, particularly in December, residents and visitors should prepare for heightened sun protection measures. For detailed UV Index forecasts and insights, visit Ashburton UV Index.
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In Ashburton, New Zealand, December shines as the pinnacle of sunlight, boasting an impressive 319 hours of glorious rays. This month marks a striking conclusion to the year, standing out from the preceding months, where sunshine gradually ascended from 194 hours in May to a radiant peak by December. After a wane in daylight during the winter months of June and July, the trend shifts dramatically, with sunlight steadily increasing, culminating in December's bright embrace. The consistent upward trajectory not only signals the arrival of summer but also invites residents and visitors to bask in the warmth and splendor of Ashburton's vibrant outdoor life.
In Ashburton, New Zealand, the likelihood of enjoying sunny weather in December is relatively low, hovering around 29%. This trend is consistent with the preceding months, where sunshine chances decline from the spring peaks. Notably, April shines the brightest with a 56% chance of sun, while the typically colder months of June and October see even lower probabilities of clear skies. As the year winds down, the daylight dwindles, making more sunny days elusive. With December's figures reflecting a seasonal dip, those looking forward to outdoor activities might want to keep an eye on the forecast closely!
In Ashburton, New Zealand, December heralds the peak of summer with an impressive 15 hours of daylight, matching January's length. This extended daylight provides a vibrant backdrop for outdoor activities and gatherings, as the sun graces the region longer than any other month. The pattern of daylight throughout the year reveals a downward trend from January to June, where it dips to a low of 8 hours. Fortunately, the days gradually begin to lengthen again from July onwards, culminating in a resurgence by December. This cyclical rhythm of daylight invites both locals and visitors to immerse themselves in the region's natural beauty during the sunniest months.
As December arrives in Ashburton, the wind begins to pick up, with an average speed of 3.9 m/s (9 mph), a refreshing breeze that hints at the transition into summer. Notably, wind speeds tend to increase as the year draws to a close, peaking slightly in January at 4.1 m/s (9 mph). The months leading up to December show a gradual decline in wind intensity, with June experiencing its calmest periods at just 2.7 m/s (6 mph). However, the subsequent rise in wind speeds during late spring and early summer creates an invigorating atmosphere, signaling the arrival of warmer weather and more lively conditions. This trend reflects Ashburton's characteristic seasonal shift, where the winds become both a herald of change and a refreshing companion during the festive summer season.
Weather in Ashburton varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Ashburton, focusing on differences in temperature, rainfall, humidity, and UV levels.
December and January showcase notable weather differences, particularly in temperature and precipitation. December experiences a minimum temperature of 7°C (46°F) and an average of 16°C (61°F), with a maximum reaching 28°C (82°F), alongside higher precipitation levels at 94 mm (3.7 in) over 12 days and humidity at 81%. In contrast, January sees a slight increase in the minimum temperature to 8°C (46°F) and an average of 17°C (63°F), with maximum temperatures soaring to 33°C (92°F). Additionally, January has reduced rainfall, totaling 50 mm (2.0 in) on just 7 days, and slightly lower humidity at 79%. For more detailed insights, check Ashburton weather in January.
In December, the weather tends to be warm and humid, with temperatures ranging from a minimum of 7°C (46°F) to a maximum of 28°C (82°F) and an average of 16°C (61°F). The month also sees significant precipitation, with 94 mm (3.7 in) falling over approximately 12 days, contributing to a humidity level of 81%. In contrast, February offers slightly warmer temperatures, with a minimum of 7°C (44°F), an average of 17°C (63°F), and a maximum of 30°C (86°F). Precipitation decreases to 66 mm (2.6 in) over just 6 days, resulting in a lower humidity of 76%. For more details, you can check Ashburton weather in February.
In December, the weather typically features a wider range of temperatures, with a minimum of 7°C and an average of 16°C, peaking at a warm 28°C. This month experiences more rainfall, accumulating about 94 mm over 12 days, and has a higher humidity level of 81%. In contrast, March sees slightly cooler conditions with a minimum of 6°C and an average of 15°C, while still reaching up to 28°C. Precipitation is less frequent in March, totaling 72 mm over 10 days, and humidity levels are slightly lower at 78%. Overall, December tends to be a bit wetter and more humid compared to March. For more details on March weather, you can visit Ashburton weather in March.
In December, the weather is generally warmer, with temperatures ranging from a minimum of 7°C (46°F) to a maximum of 28°C (82°F) and an average of 16°C (61°F). This month also experiences more precipitation, totaling 94 mm (3.7 in) over about 12 days. In contrast, April sees cooler temperatures, with a minimum of 4°C (39°F), an average of 13°C (55°F), and a max of 26°C (79°F). The total precipitation in April is slightly less at 75 mm (3.0 in) across about 10 days. Interestingly, both months share the same humidity level of 81%, creating a consistently moist environment. For more specific details about April weather, you can visit Ashburton weather in April.
In comparing December and May weather, December tends to be warmer and more humid, with temperatures ranging from a minimum of 7°C (46°F) to a maximum of 28°C (82°F), averaging at 16°C (61°F). In contrast, May experiences cooler temperatures, with a minimum of -1°C (31°F) and a maximum of 21°C (71°F), averaging around 10°C (50°F). December also sees significantly more precipitation at 94 mm (3.7 in) over 12 days, compared to May's 51 mm (2.0 in) over 8 days. The humidity remains relatively high in both months, with December at 81% and May at 84%. For more detailed insights about May weather, you can check Ashburton weather in May.
When comparing the weather in December and June, a stark contrast emerges. December offers warmer temperatures, with a minimum of 7°C (46°F) and a maximum of 28°C (82°F), leading to an average of 16°C (61°F). In contrast, June features cooler temperatures, with a minimum dropping to -2°C (28°F) and a maximum reaching only 20°C (69°F), yielding an average of 7°C (45°F). Additionally, December experiences more rainfall, totaling 94 mm (3.7 in) across 12 days, while June sees less precipitation at 55 mm (2.2 in) over just 7 days. Humidity levels are fairly similar, with December at 81% and June slightly higher at 85%. For more detailed insights into June's weather, you can check out Ashburton weather in June.
In December, the weather is considerably warmer than in July, with average temperatures ranging from a minimum of 7°C (46°F) to a maximum of 28°C (82°F). In contrast, July's temperatures are much cooler, with a minimum of -2°C (29°F) and a maximum of 18°C (65°F). Both months experience similar levels of precipitation, with December receiving 94 mm (3.7 in) over about 12 days, while July totals 85 mm (3.4 in) over 11 days. The humidity is also high in both months, with December at 81% and July slightly higher at 85%. For more detailed insights, check out Ashburton weather in July.
When comparing the weather in December and August, we see significant differences in temperature and precipitation patterns. December boasts much warmer temperatures, ranging from a minimum of 7°C (46°F) to a maximum of 28°C (82°F), with an average of 16°C (61°F). In contrast, August experiences cooler conditions, with temperatures dipping as low as -1°C (30°F) and peaking at 21°C (69°F), averaging just 8°C (47°F). Precipitation is also more prevalent in December, with 94 mm (3.7 in) falling over 12 days, compared to the 47 mm (1.9 in) over 9 days seen in August, making December feel more humid with a relative humidity of 81% compared to August's 84%. For a more detailed look at August weather, visit Ashburton weather in August.
In December, the weather tends to be significantly warmer than in September, with average temperatures ranging from a minimum of 7°C (46°F) to a maximum of 28°C (82°F), compared to September's cooler range of 0°C (32°F) to 22°C (72°F). December also experiences higher humidity levels at 81%, while September’s humidity is slightly elevated at 83%. When it comes to precipitation, December receives more rain, totaling 94 mm (3.7 in) over 12 days, whereas September has only 49 mm (1.9 in) across 10 days. For a more detailed look at September's climate, you can refer to Ashburton weather in September.
In comparing the weather between December and October, December generally experiences milder temperatures, with average highs reaching 28°C (82°F) compared to October's 25°C (77°F). While both months see frequent precipitation on about 12 days, December has a higher total rainfall of 94 mm (3.7 in) against October's 62 mm (2.4 in). Additionally, December's humidity levels are slightly elevated at 81%, while October remains comfortably humid at 80%. For more detailed insights on October, you can check Ashburton weather in October.
In December, the weather shows a slight increase in temperature compared to November, with minimums of 7°C (46°F) and averages reaching 16°C (61°F), compared to November's minimum of 5°C (41°F) and average of 14°C (58°F). The maximum temperatures are similar, peaking at 28°C (82°F) in December versus 27°C (81°F) in November. Precipitation also sees a minor rise in December, with totals of 94 mm (3.7 in) over 12 days, compared to November's 84 mm (3.3 in) over just 9 days. Humidity levels are slightly higher in December at 81%, whereas November maintains a comfortable 78%. For more details, you can check out Ashburton weather in November.
As December settles in Ashburton, the weather showcases a significant shift compared to other months. The warmth is palpable with cozy daytime highs, inviting residents and visitors alike to venture outdoors. However, the humidity adds a touch of tropical feel, while occasional rainfalls can bring refreshing pauses to the summer heat. This blend of sunshine and showers creates a dynamic backdrop for the festive season. For more detailed insights into weather patterns, check out Ashburton Climate.