Last updated: August 31, 2025
In January, Nelson, New Zealand, experiences a delightful blend of summer warmth and vibrant landscapes. With maximum temperatures reaching up to 27°C (80°F) and an average of 18°C (64°F), the days are pleasantly warm. Nights cool down to a minimum of 10°C (50°F), providing a refreshing respite. Although the month sees a modest precipitation total of 72 mm (2.8 in) spread across 8 days, this contributes to the area's lush greenery. The humidity level, hovering around 79%, adds to the overall tropical feel, making January a lively time to explore the natural beauty and cultural richness of Nelson.
In Nelson, New Zealand, January offers a delightful summer experience with temperatures ranging from a mild 10°C (50°F) at night to a warm 27°C (80°F) during the day, maintaining an inviting average of 18°C (64°F). As the month progresses into February, a slight cooling trend begins, with temperatures dipping just a notch, but still providing comfortable weather ideal for outdoor activities. By March, the warmth continues to fade gradually, yet highs still reach a pleasant 23°C (73°F). This pattern of diminishing warmth persists through the subsequent months, leading into April and May, where the temperatures drop significantly, showcasing a shift towards cooler autumn days. Overall, January stands out as the pinnacle of warmth in Nelson, laying the groundwork for a transition into a milder climate as the year progresses.
January in Nelson, New Zealand, typically welcomes a moderate amount of rainfall, with an average precipitation of 72 mm (2.8 in) spread across about 8 days. This sets the stage for the months that follow, where precipitation gradually increases, peaking in July at 165 mm (6.5 in) during the winter season. Notably, the number of rainy days generally rises as summer transitions into autumn, highlighting a trend of increasing moisture as the year progresses. With each passing month, the wettest periods contribute to a lush, vibrant landscape, characteristic of Nelson's temperate climate.
In January, Nelson, New Zealand experiences a consistent humidity level of 79%, which remains unchanged through February and March. This stable humidity suggests a moderate and comfortable start to the year. As the seasons transition, April sees a slight increase to 80%, hinting at the onset of more humid conditions. The trend continues upward into the winter months of May and June, where humidity levels peak at 84% and 86%, respectively. While July and August maintain this elevated humidity, there is a notable decrease in September and October, with levels settling around 83% to 82%. As the year closes, December lingers just a notch lower at 81%, indicating a gradual return to the lower humidity typical of earlier months. Overall, Nelson's January humidity sets a comfortable tone that leads into a pattern of increasing dampness as the year progresses.
In January, Nelson, New Zealand, experiences a notably high UV Index of 13, placing it in the extreme exposure category with a mere 10 minutes recommended burn time. This trend continues into February, highlighting the region's intense summer sun. As the season transitions into March, the UV Index drops to 9, marking it as very high, while the burn time increases slightly to 15 minutes. Following this, the UV levels gradually decline through the autumn months, with April showing a high index of 7 and a burn time of 25 minutes. By May, the index recedes further to 4 (moderate), offering a bit more leeway at 30 minutes of exposure. This pattern continues into winter, where the UV Index reaches its lowest at 2 in June and July, allowing for extended sun exposure with a burn time of 45 minutes. The UV Index then begins to rise again in spring, peaking at 11 in November, before returning to 13 in December. This cyclical pattern emphasizes the importance of sun safety throughout the year, particularly in January. For detailed insights into UV levels, visit Nelson UV Index.
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January in Nelson, New Zealand, shines brightly with 290 hours of sunshine, setting the tone for a summer filled with warm days and outdoor adventures. This glow continues into February, where sunshine peaks at 295 hours, creating the ideal backdrop for beach outings and local festivals. However, as autumn approaches in March (with 278 hours of sunshine) and April dwindles to 231 hours, the days gradually shorten. The trend of decreasing sunlight persists through the winter months, with June experiencing the least at 178 hours. Fortunately, as spring arrives, the sun begins to make a comeback, showcased in September with 255 hours and October with 281 hours. November reveals a delightful surge, reaching 303 hours, finally culminating in December's dazzling 336 hours, where the cycle completes in vibrant celebration. This annual rhythm not only influences local life but also paints Nelson as a sun-kissed haven throughout the year.
In Nelson, New Zealand, January stands out as the month with the highest chance of sunny weather, boasting a 54% likelihood of sunshine. This sunny disposition makes it an ideal time for outdoor activities and beach outings. The trend shows that while summer months like February follow with a 42% chance, the likelihood of sunny days dips in the subsequent months, reaching a low of 34% in October. Interestingly, April and May offer a modest resurgence with chances of sun at 50% and 46%, respectively. As the year progresses into winter, the percentages decline further, with June and July showing only a 36% and 39% chance of sun. Overall, January’s bright outlook not only highlights its role as the sunniest month but also sets the stage for the seasonal transition into cooler and cloudier days.
In January, Nelson, New Zealand, basks in an impressive 14 hours of daylight, setting the scene for vibrant summer activities and scenic adventures. As the year progresses into February, daylight begins to wane slightly to 13 hours, marking the transition towards autumn. By March, daylight further diminishes to 12 hours, as the days start to shorten more noticeably. Throughout the winter months of April and May, daylight decreases to 10 and 9 hours, respectively, enveloping the region in longer, cozy evenings. This trend continues into June and July, where Nelson enjoys just 9 hours of daylight, encouraging indoor pursuits and relaxation. However, as winter loosens its grip, August brings a hint of renewal with 10 hours of daylight, leading into a gradual increase through the spring months. By September and October, daylight stretches to 11 and 13 hours, respectively, building anticipation for the return of longer, sun-filled days. The cycle culminates in the peak of summer in December, when daylight reaches a resplendent 15 hours, celebrating the vibrant energy of Nelson's natural beauty.
In January, Nelson, New Zealand, experiences an average wind speed of 3.3 m/s (7 mph), setting the stage for pleasant summer breezes. As we transition into February and March, the winds begin to calm slightly, dropping to 2.9 m/s and 2.7 m/s respectively, offering a gentle respite before autumn. Interestingly, from April through June, the wind speed remains consistent at 2.7 m/s, indicating a stable atmospheric condition as the cooler months set in. A slight uptick in July to 2.9 m/s marks the return of the breeze, which continues to hover around a moderate 3.1 m/s during the spring months of August and November. By December, there's a subtle increase again to 3.2 m/s, hinting at a dynamic shift as summer approaches. Overall, the trend reveals a rhythmic pattern of gentle winds, perfectly complementing Nelson's stunning coastal charm throughout the year.
Weather in Nelson varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Nelson, focusing on differences in temperature, rainfall, humidity, and UV levels.
January and February display similar weather patterns, though with some noticeable differences. In January, temperatures range from a minimum of 10°C (50°F) to a maximum of 27°C (80°F), averaging around 18°C (64°F). February, on the other hand, experiences slightly cooler temperatures, with a minimum of 9°C (49°F) and a maximum of 25°C (77°F), averaging 17°C (63°F). Precipitation is higher in February, totaling 86 mm (3.4 in) over the same number of rainy days (8) as January, which records 72 mm (2.8 in). Interestingly, both months share the same humidity level of 79%. For more detailed insights, check out the Nelson weather in February.
January and March exhibit distinct weather patterns, with January generally being warmer. In January, temperatures range from a minimum of 10°C (50°F) to a maximum of 27°C (80°F), with an average temperature of 18°C (64°F). In contrast, March shows slightly cooler temperatures, with a minimum of 9°C (48°F), an average of 16°C (61°F), and a maximum of 23°C (73°F). Precipitation is higher in March, totaling 124 mm (4.9 in) over 11 days, compared to 72 mm (2.8 in) over 8 days in January. Despite both months having a humidity level of 79%, March tends to feel wetter due to the increased rainfall. For more detailed information about March weather, you can visit Nelson weather in March.
In January, the weather is generally warmer, with average temperatures ranging from a minimum of 10°C (50°F) to a maximum of 27°C (80°F), while April sees cooler conditions with average temperatures between 5°C (41°F) and 20°C (69°F). Precipitation also varies, with January experiencing 72 mm (2.8 in) over about 8 days, in contrast to April's higher rainfall of 143 mm (5.6 in) spread across roughly 13 days. Humidity levels remain fairly consistent between the two months, with January at 79% and April slightly higher at 80%. For a more detailed look at the weather in April, you can visit Nelson weather in April.
In January, the weather is generally warmer with temperatures ranging from a mild 10°C (50°F) to a maximum of 27°C (80°F) and an average of 18°C (64°F), accompanied by relatively lower precipitation of 72 mm (2.8 in) over 8 rainy days. In contrast, May experiences cooler conditions, with temperatures dropping to a minimum of 4°C (39°F) and a maximum of 18°C (65°F), averaging at 11°C (53°F). Additionally, May sees increased precipitation levels of 148 mm (5.8 in) spread over 12 days, along with higher humidity at 84%. This shift highlights the transition from the warm summer season to the cooler, wetter autumn months. For more detailed weather information, you can visit Nelson weather in May.
In January, the weather features warm temperatures, with a minimum of 10°C (50°F), an average of 18°C (64°F), and a maximum reaching 27°C (80°F). The month experiences moderate precipitation, totaling 72 mm (2.8 in) over about 8 days, accompanied by relatively high humidity at 79%. In contrast, June sees much cooler temperatures, with a minimum of just 2°C (36°F), an average of 9°C (49°F), and a maximum of 16°C (60°F). The precipitation is slightly higher at 76 mm (3.0 in) over 10 days, and humidity increases to 86%. For a more detailed outlook, check out Nelson weather in June.
In January, the weather is significantly warmer with temperatures ranging from a mild 10°C (50°F) at night to a pleasant average of 18°C (64°F) during the day, peaking at 27°C (80°F). The month sees moderate precipitation levels at 72 mm (2.8 in) over approximately 8 days, accompanied by a relative humidity of 79%. In contrast, July experiences much cooler temperatures, with a minimum of 2°C (36°F), an average of 8°C (47°F), and a maximum of only 14°C (57°F). Precipitation is notably higher in July, totaling 165 mm (6.5 in) over about 12 days, and humidity rises to 86%. For more detailed insights on the July weather, check out Nelson weather in July.
In January, the weather typically boasts a pleasant range of temperatures, with a minimum of 10°C (50°F) and an average of 18°C (64°F), reaching a maximum of 27°C (80°F). The month sees around 72 mm (2.8 in) of precipitation over approximately 8 days, and humidity levels hover around 79%. In contrast, August experiences much cooler temperatures, with a minimum of 2°C (36°F), an average of 9°C (48°F), and a maximum of 15°C (59°F). It also has significantly higher precipitation, totaling 130 mm (5.1 in) over 14 days, while humidity rises slightly to 83%. For more detailed information about August weather, you can check Nelson weather in August.
January and September present quite different weather patterns. In January, temperatures are much warmer, with a minimum of 10°C (50°F) and a maximum reaching 27°C (80°F), while September sees cooler temperatures, ranging from a minimum of 3°C (37°F) to a maximum of 16°C (62°F). Additionally, January typically experiences lower precipitation, averaging 72 mm (2.8 in) over 8 days, compared to September, which receives more rainfall at 116 mm (4.6 in) over 11 days. Humidity levels are slightly higher in September at 83%, compared to January’s 79%, making it a noticeably wetter and cooler month. For more details on September weather in Nelson, check out Nelson weather in September.
In January, the weather is generally warmer, with temperatures ranging from a minimum of 10°C (50°F) to a maximum of 27°C (80°F), while October sees cooler conditions, with temperatures dropping to a minimum of 4°C (39°F) and a maximum of 19°C (66°F). Additionally, January experiences less precipitation at 72 mm (2.8 in) over 8 days, compared to October's higher rainfall of 120 mm (4.7 in) over 12 days. Humidity levels are relatively similar, with January at 79% and October slightly higher at 82%. For more detailed information about the weather in October, you can visit Nelson weather in October.
In January, the weather tends to be warmer with temperatures ranging from a minimum of 10°C (50°F) to a maximum of 27°C (80°F) and an average of 18°C (64°F). The month experiences lower precipitation levels at 72 mm (2.8 in) over approximately 8 days, resulting in relatively comfortable humidity around 79%. In contrast, November brings cooler temperatures, with a minimum of 6°C (43°F), an average of 14°C (57°F), and a maximum of 23°C (74°F). However, it also tends to be wetter, with precipitation reaching 118 mm (4.7 in) over 13 days and slightly higher humidity at 82%. For more detailed information about weather conditions in November, check out Nelson weather in November.
In January, the weather is generally warmer compared to December, with temperatures ranging from a minimum of 10°C (50°F) to a maximum of 27°C (80°F), and an average of 18°C (64°F). In contrast, December sees slightly cooler temperatures, with minimums of 8°C (47°F) and maximums of 24°C (76°F), averaging at 16°C (61°F). January also experiences less precipitation, totaling 72 mm (2.8 in) over about 8 days, while December receives significantly more rain at 145 mm (5.7 in) across 13 days. Despite similar humidity levels, with January at 79% and December at 81%, the drier and warmer conditions of January make it feel more pleasant overall. For more details on December weather specifics, you can explore Nelson weather in December.
In January, Nelson experiences a delightful blend of warm temperatures and moderate humidity, making it a standout month compared to the cooler, wetter winter months. With an average temperature of 18°C (64°F) and a maximum reach of 27°C (80°F), January is perfect for enjoying outdoor activities, unlike the chill of July or August. Although it sees around 72 mm of precipitation over about 8 days, this still allows for plenty of sun-soaked afternoons. The 79% humidity adds a refreshing touch, making the summer heat feel more pleasant. For those looking to explore more about how Nelson's weather fluctuates throughout the year, check out the detailed information in our Nelson Climate guide.