Last updated: August 31, 2025
In January, Oamaru, New Zealand experiences a delightful summer climate characterized by a maximum temperature of 28°C (83°F), providing warm days for outdoor activities. The average temperature hovers around a comfortable 15°C (60°F), while evenings cool down to a pleasant 8°C (47°F). However, locals and visitors can expect some rain, with precipitation totaling 79 mm (3.1 in) spread over 12 days, resulting in a humidity level of 79%. This dynamic weather offers a rich blend of sun and occasional showers, making Oamaru an intriguing destination for those who appreciate a varied summer experience.
In Oamaru, New Zealand, January offers a delightful peek into the summer months with temperatures ranging from a comfortable 8°C (47°F) at night to a balmy high of 28°C (83°F) during the day. The month averages around 15°C (60°F), creating perfect conditions for outdoor activities and exploration. This warmth persists into February, where temperatures remain steady, hinting at a tranquil end to summer. As the seasons transition into March and April, a gradual cooling trend emerges, bringing minima down to 7°C (46°F) and 5°C (41°F) respectively, while daytime highs decrease to around 24°C (75°F) and 22°C (73°F)**. The crispness of autumn begins to set in, as these monthly averages highlight a noticeable shift towards cooler temperatures, ultimately preparing Oamaru for the chill of winter in the following months.
In January, Oamaru experiences an average precipitation of 79 mm (3.1 in) over 12 days, setting the stage for a summer that often feels refreshingly damp. This amount is relatively moderate when compared to the wetter months of November and December, both exceeding 100 mm. Interestingly, February follows with an increase to 100 mm (3.9 in), showcasing a trend of heightened rainfall as summer progresses. Despite January's mix of sunny days and rain, the overall pattern reflects a tendency for increased precipitation as the region transitions towards autumn, making Oamaru’s weather both variable and vibrant as the new year unfolds.
In Oamaru, New Zealand, January greets residents with a notable humidity level of 79%, setting the tone for a summer that gradually transitions into slightly cooler months. As February rolls in, humidity dips to 76%, offering a brief respite before it creeps back up to 78% in March. The trend sees a steady increase as autumn approaches, culminating in April's 81% and further rising to 84% by May. The winter months maintain this elevated humidity, with 85% recorded in both June and July, creating a consistently damp atmosphere. As the seasons transition back to warmer periods, August and October exhibit slight decreases, settling at 84% and 80%, respectively. Interestingly, November and December bring humidity levels back to the comfortable realms of 78% and 81%, illustrating a rhythmic ebb and flow throughout the year that makes Oamaru's climate both unique and memorable.
In Oamaru, New Zealand, January marks an intense beginning to the year with an extreme UV Index of 13, resulting in a burn time of only 10 minutes. This trend of high UV exposure continues into February with a slight dip to 12, but still firmly within the extreme category. As autumn approaches in March, the UV Index decreases to 9 (very high), allowing for a longer burn time of 15 minutes. The UV Index then gradually declines through the fall months; by April, it sits at 6 (high) and continues to moderate to 3 in May. This downward trend stabilizes during the winter months of June and July, where the Index remains low at 2, permitting an extended burn time of 45 minutes. The UV Index begins to rise again in spring, peaking at 10 in November before hitting 12 again in December. Overall, the UV Index in Oamaru showcases a dynamic seasonal pattern, emphasizing the need for sun protection especially during the peak summer months. For detailed information on daily variations, check the Oamaru UV Index.
UV Risk Categories
January in Oamaru, New Zealand, welcomes the year with an impressive 280 hours of sunshine, setting a bright tone for the summer season. As the month progresses into February, the sun shines even brighter, peaking with 299 hours of glorious rays. However, as autumn approaches, sunshine hours start to wane with March dipping to 271 hours and April further declining to 230 hours. This trend of decreasing daylight continues into the cooler months, with May delivering 201 hours, and June offering just 159 hours. The sun gradually reawakens in July and August, nudging the count back up to 178 and 213 hours respectively. By September, Oamaru experiences a promising resurgence with 252 hours of sunshine, leading the way into the warmer spring months. October basks in 282 hours of sunlight, while November explodes into summer with a remarkable 319 hours. Finally, December crowns the year with an astounding 345 hours, making it the sunniest month and a delightful finale to the yearly cycle of sunshine in this charming coastal town.
In Oamaru, New Zealand, January brings a 33% chance of sunny weather, a figure that remains constant with February. This reflects a trend where the likelihood of sunny days gradually increases as summer transitions into autumn, peaking in April at 51%. Following this peak, the probability dips during the late year months, with sunniest chances being significantly lower in the holiday season. Interestingly, late winter and early spring see a revival, with September emerging as the sunniest month at 52%. Overall, while January offers moderate sunshine, the weather patterns suggest a dynamic fluctuation in sunshine across the year, making Oamaru’s climate ever intriguing.
In Oamaru, New Zealand, January shines brightly with an impressive 15 hours of daylight, setting the stage for a sun-soaked summer. As the months roll by, daylight begins to wane, with February still enjoying 13 hours but transitioning into the shorter days of autumn. March offers 12 hours, followed by April's 10 hours, as nature gradually prepares for winter's embrace. By June, the longest shadows and the least light, just 8 hours, make their appearance. However, as winter recedes, the days slowly lengthen again, wrapping Oamaru in about 9 hours of sunlight through July and gradually blooming to 15 hours once more in December. This cyclical dance of daylight not only marks the change of seasons but also invites residents and visitors alike to enjoy the outdoor splendors that each month brings.
In Oamaru, New Zealand, January welcomes a brisk atmosphere with an average wind speed of 4.5 m/s (10 mph), marking the month as one of the windiest in the year. As summer transitions into autumn, wind speeds gently decline, dipping to 3.8 m/s (9 mph) in February and further to 3.6 m/s (8 mph) in both March and April. This mild breeziness continues into May before a slight uptick occurs in August and September, where winds return to 4.1 m/s (9 mph). Interestingly, the year wraps up with December matching January's vigor at 4.3 m/s (10 mph). Overall, Oamaru's wind patterns reveal a distinct seasonal shift, with January and December standing out as peak months, while the transition to cooler months brings a refreshing calm.
Weather in Oamaru varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Oamaru, focusing on differences in temperature, rainfall, humidity, and UV levels.
In January, the weather features a minimum temperature of 8°C (47°F) and an average of 15°C (60°F), with a maximum that reaches up to 28°C (83°F). The month experiences approximately 79 mm (3.1 in) of precipitation over 12 days, paired with a humidity level of 79%. In contrast, February maintains the same minimum and average temperatures but slightly lowers the maximum to 28°C (82°F). Precipitation increases to 100 mm (3.9 in) over just 11 days, resulting in a marginally lower humidity of 76%. For more detailed information, check out Oamaru weather in February.
January and March in Oamaru exhibit some notable differences in weather patterns. January experiences slightly warmer temperatures, with an average high of 28°C (83°F), compared to March's maximum of 24°C (75°F). Both months have comparable minimum temperatures, with January at 8°C (47°F) and March at 7°C (46°F). Precipitation is higher in January, totaling 79 mm (3.1 in) across 12 days, whereas March sees 66 mm (2.6 in) over 11 days. Humidity also remains similar, with January at 79% and March just a tad lower at 78%. For more details, you can check out Oamaru weather in March.
In January, Oamaru experiences warmer temperatures with a minimum of 8°C (47°F) and a maximum of 28°C (83°F), while April sees cooler weather with a minimum of 5°C (41°F) and a maximum of 22°C (73°F). While both months have a similar number of rainy days, January has slightly less precipitation at 79 mm (3.1 in) compared to April's 86 mm (3.4 in). Humidity levels are also comparable, with January averaging 79% and April slightly higher at 81%. For a more detailed look at April weather in Oamaru, you can visit Oamaru weather in April.
January and May present distinct weather patterns significant for anyone interested in seasonal variations. In January, temperatures range from a minimum of 8°C (47°F) to a maximum of 28°C (83°F), with an average of 15°C (60°F). The month experiences relatively high humidity at 79% and receives substantial rainfall, totaling 79 mm (3.1 in) over 12 days. In contrast, May is cooler, with temperatures ranging from a minimum of 2°C (36°F) to a maximum of 17°C (64°F), averaging just 10°C (50°F). Precipitation decreases to 40 mm (1.6 in) across 8 days and humidity slightly increases to 84%. The weather in May is milder and wetter compared to the warmer and more humid January. For more detailed information, you can check Oamaru weather in May.
In January, the weather is quite warm, with temperatures ranging from a pleasant 15°C (60°F) on average to a maximum of 28°C (83°F). The month experiences moderate precipitation, totaling 79 mm (3.1 in) over approximately 12 days, coupled with a humidity level of 79%. In contrast, June presents a much cooler climate, with average temperatures dropping to 8°C (46°F) and maximums reaching only 16°C (61°F). Precipitation is lighter, at 39 mm (1.5 in), over 9 days, while humidity slightly increases to 85%. For more details on June weather specifics, check out Oamaru weather in June.
In January, the weather is notably warmer with average temperatures ranging from a minimum of 8°C (47°F) to a maximum of 28°C (83°F), making it a comfortable month for outdoor activities. The precipitation is relatively high at 79 mm (3.1 in) over approximately 12 days, coupled with a humidity level of 79%. In stark contrast, July experiences much cooler temperatures, with averages between 1°C (34°F) and 15°C (59°F). Although July sees slightly lower precipitation at 69 mm (2.7 in) over about 10 days, the humidity rises to 85%. For more details on July's weather, you can visit Oamaru weather in July.
In January, Oamaru experiences warmer temperatures with daily averages around 15°C (60°F), peaking at a maximum of 28°C (83°F). The month sees about 79 mm (3.1 in) of rainfall over 12 days, coupled with a humidity level of 79%. In contrast, August brings cooler weather, with average temperatures dropping to 8°C (46°F) and a maximum of just 16°C (61°F). Precipitation is lighter during this month at 39 mm (1.5 in) over 9 days, alongside slightly higher humidity at 84%. For more details, you can refer to Oamaru weather in August.
In January, the weather is generally warmer with temperatures ranging from a minimum of 8°C (47°F) to a maximum of 28°C (83°F), averaging around 15°C (60°F). The month experiences more precipitation, with 79 mm (3.1 in) over approximately 12 days, and the humidity sits at 79%. In contrast, September brings cooler temperatures, with a minimum of 2°C (35°F) and a maximum of 18°C (65°F), averaging only 9°C (49°F). Precipitation is lower at 46 mm (1.8 in) across 9 days, and humidity is slightly higher at 83%. For a more detailed view of weather conditions during September, check out Oamaru weather in September.
January and October exhibit notable differences in weather patterns. In January, temperatures are generally warmer, ranging from a minimum of 8°C (47°F) to a maximum of 28°C (83°F), with an average of 15°C (60°F). In contrast, October experiences cooler temperatures, with a minimum of 4°C (39°F) and a maximum of 20°C (68°F), averaging just 11°C (51°F). Additionally, both months receive similar amounts of precipitation, with January experiencing 79 mm (3.1 in) over 12 days, while October sees slightly more rainfall at 80 mm (3.2 in) across 15 days. Humidity levels remain relatively high in both months, with October's humidity at 80%, just above January's 79%. For more information, you can check Oamaru weather in October.
In comparing January and November weather, January presents a slightly warmer climate with average temperatures reaching 15°C (60°F) and maximums of 28°C (83°F). In contrast, November is cooler, with an average temperature of 13°C (55°F) and maximums of 25°C (77°F). Both months experience similar levels of precipitation, with January receiving 79 mm (3.1 in) and November seeing a slightly higher 100 mm (4.0 in), although both have about 12 rainy days. Humidity levels remain comparable, with January at 79% and November slightly lower at 78%. For more detailed insights, check out Oamaru weather in November.
In January, temperatures in Oamaru show a slight increase compared to December, with daily averages reaching up to 15°C (60°F) and maximums climbing to 28°C (83°F). This month experiences milder weather, though it still maintains a high level of humidity at 79%. Precipitation in January totals 79 mm (3.1 in) over 12 days, which is somewhat lower than December's 101 mm (4.0 in) over 16 days. Despite the similar minimum temperatures of 8°C (47°F) in both months, January typically feels warmer with its higher maximums, while December tends to be cooler on average, with a maximum of only 24°C (76°F). For more details, explore Oamaru weather in December.
In January, Oamaru experiences a delightful departure from the cooler months, with temperatures reaching a maximum of 28°C (83°F) and an average soaring to 15°C (60°F). This month is characterized by a notable rise in humidity, often hovering around 79%, contributing to a vibrant, summery atmosphere. While rain is still a factor, with about 12 days of precipitation totaling 79 mm (3.1 in), January stands out for its warmth and inviting weather compared to the chillier months that precede it. For a deeper understanding of Oamaru's distinct climate patterns throughout the year, visit Oamaru Climate.