Last updated: August 31, 2025
Experience the vibrant weather of Arthur's Pass, New Zealand in January, where temperatures can soar to a maximum of 23°C (73°F), offering a delightful reprieve from the summer heat. The month boasts an average temperature of 12°C (54°F), making it perfect for outdoor explorations. With minimum temperatures dipping to 0°C (33°F), visitors should be prepared for cool nights. Rain is a frequent companion, with 210 mm (8.3 in) of precipitation spread across 16 days, contributing to the region's lush landscapes. The humidity sits at a comforting 81%, creating a refreshing atmosphere ideal for hiking, sightseeing, and immersing oneself in the stunning natural beauty that Arthur's Pass has to offer.
In January, Arthur's Pass, New Zealand, enjoys a delightful summer climate, with temperatures ranging from a refreshing 0°C (33°F) at night to a pleasant 23°C (73°F) during the day, averaging 12°C (54°F). This mid-summer warmth transitions into February, where temperatures remain steady, dipping slightly in the maximum to 22°C (72°F). As the seasons shift towards autumn in March, the landscape begins to cool, with nighttime lows occasionally reaching -2°C (29°F) and an average temperature of 11°C (52°F). By April, the chill sets in more firmly, with minimums dropping to -10°C (14°F) and average temperatures sliding to 8°C (46°F), hinting at the winter ahead. Over the following months, temperatures plummet further, oscillating between the lows of -12°C (11°F) in October and an average of just 2°C (36°F) in July. As spring approaches in November and December, there's a brief statistical reprieve, characterized by a slight rise in temperatures, signaling the return to milder conditions. Overall, Arthur's Pass captures the beauty of New Zealand's diverse seasons, shifting from warm summer days to the crisp, wintry coolness of the colder months.
In January, Arthur's Pass experiences an average precipitation of 210 mm (8.3 in) over 16 days, setting the stage for a vibrant and lush landscape. This moderate rainfall marks the start of a progressively wetter season, as February sees an increase to 230 mm (9.0 in) with just one less precipitation day. The trend continues into March and April, where rainfall stabilizes around 229 mm (9.0 in) and 228 mm (9.0 in), respectively. May further elevates this pattern, peaking at 243 mm (9.6 in) and 17 rainy days, hinting at the abundant nourishment for the region's rich flora. As winter approaches, July and September shift dramatically, with 269 mm (10.6 in) and 270 mm (10.6 in) recorded, showcasing a significant peak in precipitation. Notably, November wraps up the year with 304 mm (12.0 in), making it the wettest month, while illustrating how January's precipitation lays the groundwork for a dynamic, moisture-rich climate throughout the year.
In January, Arthur's Pass experiences a humidity level of 81%, setting the stage for a consistently moist climate throughout the year. This figure is slightly higher than February's 79%, but stabilizes again in March at 81%. As the seasons transition, humidity tends to rise, peaking in May, June, and July at a persistent 87%. Following this peak, there’s a gradual decline, with August and September dipping to 85%. As the year winds down, the humidity levels moderate to 84% in both October and December, with a slight drop to 82% in November. Overall, the data highlights a clear trend of increasing humidity in the mid-year months, while late autumn to the end of winter provides a bit of relief before the cycle recommences.
In January, Arthur's Pass experiences an extreme UV Index of 13, which means that unprotected skin can burn in just 10 minutes. This trend of high UV exposure continues into February, maintaining the same index and burn time. As the season transitions to March, the UV Index drops to 9 but remains in the very high category, allowing for a slightly longer safe exposure time of 15 minutes. Moving into the cooler months, April sees a decrease to a high UV Index of 6, with a burn time increasing to 25 minutes. This gradual decline continues through May and June, where the index falls to 4 and 2, transitioning from moderate to low exposure levels, allowing for longer durations of safe sun exposure. However, as the year progresses back into summer, the trend shifts again, with a notable rise in November and December to extremes once more, both hitting 13. For detailed insights and safety tips regarding UV exposure, check out Arthur's Pass UV Index.
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In January, Arthur's Pass basks in a generous 255 hours of sunshine, setting the tone for a month filled with outdoor adventures. This trend continues into February, where the sun graces the region with 279 hours, making it one of the sunniest months of the year. As summer wanes, the daylight slightly diminishes, yielding 251 hours in March and 209 hours in April, as autumn begins to take hold. The decrease in sunshine is notable, dipping further to 180 hours in May and 157 hours in June, when winter's chill can be felt. However, as the days slowly start to lengthen again, July and August bring about a mild recovery with 165 hours and 184 hours respectively. By September, the trend shifts once more, culminating in 210 hours, and as the year progresses, sunshine steadily returns, peaking with a stunning 299 hours in December. Overall, Arthur's Pass showcases a captivating rhythm of light and shadow throughout the year, inviting visitors to embrace its varied climates.
In Arthur's Pass, New Zealand, the likelihood of sunny weather peaks in February with a 30% chance, making it the sunniest month of the summer. January itself presents a more moderate 26% chance of sunshine, aligning with the overall trend of fluctuating sun exposure throughout the year. As the seasons transition into autumn and winter, the probability of sunny days declines, hitting a low of 14% in both October and December. Interestingly, May and July offer slightly better prospects, with 28% and 25% respectively, suggesting that although winter tends to be cloudier, there are still moments of brightness to be enjoyed. Thus, January provides a balanced start to the year, setting the stage for New Zealand’s varied and often unpredictable weather patterns.
In Arthur's Pass, New Zealand, the daylight hours in January stretch to a generous 14 hours, marking the peak of summer and a time for exploration. As the month transitions into February, daylight slightly diminishes to 13 hours, hinting at the gradual shift towards autumn. This trend continues through March, where daylight further decreases to 12 hours. By April, the reduction becomes more pronounced, with just 10 hours of daylight, as the days grow shorter. The pattern stabilizes in the winter months of May, June, and July, all offering 9 hours of daylight, creating a cozy yet brief glow. As spring approaches in August, daylight begins to recover, rising to 10 hours, steadily increasing through September (11 hours) and October (13 hours). November welcomes back longer days, returning to 14 hours, and by December, Arthur's Pass enjoys its longest days of the year with a stunning 15 hours of daylight, providing ample time to experience the natural beauty of this breathtaking region.
In Arthur's Pass, January greets visitors with a gentle embrace of mild winds, averaging 2.5 m/s (6 mph), offering a refreshing contrast to the crisp summer air. As the months progress, these breezes remain relatively calm, dipping slightly to 2.1 m/s (5 mph) in February and March before experiencing a modest uptick in April. Interestingly, a subtle trend emerges as winter approaches; July chills the winds down to their lowest point at 1.8 m/s (4 mph), creating a tranquil atmosphere in the heart of winter. However, as spring arrives in September, the winds pick up momentum again, climbing to 2.7 m/s (6 mph), and continue to dance around 2.1 to 2.8 m/s (5-6 mph) through the year's end. This cyclical pattern of gentle breezes, punctuated by seasonal shifts, paints a vivid picture of Arthur's Pass as a serene yet dynamic landscape throughout the year.
Weather in Arthur's Pass varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Arthur's Pass, focusing on differences in temperature, rainfall, humidity, and UV levels.
In comparison to January, February's weather shows slight variations in temperature and precipitation. Both months maintain a minimum temperature of 0°C (33°F) and an average of 12°C (54°F). However, February records a marginally lower maximum temperature of 22°C (72°F) compared to January's 23°C (73°F). Precipitation levels increase in February to 230 mm (9.0 in) over 15 days of rain, compared to 210 mm (8.3 in) over 16 days in January. Humidity levels remain relatively stable, with January at 81% and February slightly lower at 79%. For a detailed look at February weather conditions, visit Arthur's Pass weather in February.
In comparing the weather between January and March, we observe some notable differences. January typically experiences milder temperatures, with a minimum of 0°C (33°F) and a maximum of 23°C (73°F), whereas March sees slightly cooler conditions, with a minimum of -2°C (29°F) and a maximum of 19°C (67°F). Precipitation levels are also comparable; January has 210 mm (8.3 in) of rainfall over 16 days, while March records slightly more at 229 mm (9.0 in) over 15 days. Both months maintain the same humidity level at 81%. For more detailed insights about how March weather can affect your plans, you can visit Arthur's Pass weather in March.
January and April present distinct contrasts in weather conditions. In January, temperatures range from a minimum of 0°C (33°F) to a maximum of 23°C (73°F), with an average of 12°C (54°F). The month experiences significant rainfall, totaling 210 mm (8.3 in) across 16 days, accompanied by a humidity level of 81%. In contrast, April sees cooler temperatures, with a minimum of -10°C (14°F) and a maximum of 17°C (63°F), and an average of 8°C (46°F). Precipitation increases to 228 mm (9.0 in) over the same number of days, and humidity rises slightly to 84%. For a more detailed look at the weather patterns in April, check out Arthur's Pass weather in April.
In comparing the weather between January and May, January typically boasts milder temperatures, with averages ranging from a minimum of 0°C (33°F) to a maximum of 23°C (73°F), while May experiences cooler conditions, with daytime highs only reaching 15°C (58°F) and nighttime lows dropping to -9°C (16°F). January sees less precipitation, averaging 210 mm (8.3 in) over 16 days, compared to May's higher total of 243 mm (9.6 in) spread across 17 days. The humidity levels also rise slightly in May, averaging 87% compared to January's 81%. For a more detailed look at May weather, you can visit Arthur's Pass weather in May.
In comparing the weather between January and June, January tends to be much warmer, with temperatures ranging from a minimum of 0°C (33°F) to a maximum of 23°C (73°F) and an average of 12°C (54°F). In contrast, June experiences significantly cooler temperatures, with a minimum of -10°C (15°F) and a maximum of 13°C (55°F), averaging around 3°C (37°F). Precipitation is abundant in January, totaling 210 mm (8.3 in) over 16 days, while June sees less rainfall at 137 mm (5.4 in) across 15 days. Humidity levels are also higher in June at 87%, compared to January's 81%. For more details on weather specifics during June, check out Arthur's Pass weather in June.
In January, the weather is generally more temperate, with temperatures ranging from a minimum of 0°C (33°F) to a maximum of 23°C (73°F), and an average temperature of 12°C (54°F). It experiences about 210 mm (8.3 in) of precipitation over approximately 16 days, along with a relative humidity of 81%. In contrast, July brings colder conditions, with temperatures dipping as low as -10°C (14°F), averaging only 2°C (36°F), and reaching a maximum of 10°C (51°F). This month sees an increase in precipitation to 269 mm (10.6 in), spread across 17 days, and humidity levels rise slightly to 87%. For more specific insights into the weather patterns, you can check out Arthur's Pass weather in July.
January and August present strikingly different weather conditions. In January, temperatures range from a minimum of 0°C (33°F) to a maximum of 23°C (73°F), with an average temperature of 12°C (54°F) and relatively high humidity at 81%. Precipitation is significant, totaling 210 mm (8.3 in) over 16 days. In contrast, August brings much cooler temperatures, with a minimum of -11°C (13°F), an average of 3°C (37°F), and a maximum of 11°C (52°F). Although precipitation is slightly lower at 202 mm (7.9 in), it occurs over 20 days, accompanied by a higher humidity level of 85%. For a detailed look at weather specifics during this month, check out Arthur's Pass weather in August.
January and September exhibit notable differences in weather conditions. In January, temperatures range from a mild 0°C (33°F) at night to a warm 23°C (73°F) during the day, while September is cooler, with temperatures dipping down to -8°C (18°F) at night and peaking at just 13°C (56°F). Precipitation is higher in September, with 270 mm (10.6 in) spread over 19 days, compared to January's 210 mm (8.3 in) over 16 days, indicating a wetter month. Humidity also increases slightly in September, reaching 85% compared to January's 81%. For a closer look at the September conditions, visit Arthur's Pass weather in September.
In January, the weather is generally milder, with daytime temperatures averaging 12°C (54°F) and peaking at a comfortable 23°C (73°F). The month sees a fair amount of rainfall, totaling 210 mm (8.3 in) over 16 days, accompanied by a humidity level of 81%. In contrast, October brings cooler temperatures, with an average of 7°C (44°F) and highs reaching only 18°C (64°F). Precipitation increases to 251 mm (9.9 in), distributed over 21 days, and humidity rises slightly to 84%. For a closer look at what to expect during October, you can explore Arthur's Pass weather in October.
In January, the weather tends to be milder with average temperatures ranging from a minimum of 0°C (33°F) to a maximum of 23°C (73°F). The month experiences around 210 mm (8.3 in) of precipitation over 16 days, leading to a humidity level of 81%. In contrast, November shows a cooling trend with temperatures dipping as low as -4°C (25°F) at night, while reaching highs of 20°C (68°F) during the day. November is also wetter, with a total precipitation of 304 mm (12.0 in) over 19 days and a slightly higher humidity of 82%. For more insights on the weather during this month, you can refer to Arthur's Pass weather in November.
In January, the weather features a milder temperature range with a minimum of 0°C (33°F) and a maximum of 23°C (73°F), resulting in an average of 12°C (54°F). In contrast, December experiences slightly lower temperatures, with a minimum of -1°C (31°F) and a maximum of 22°C (72°F), averaging at 11°C (52°F). Precipitation is more pronounced in December, totaling 285 mm (11.2 in) over 19 days, compared to January’s 210 mm (8.3 in) over 16 days. Additionally, humidity levels are marginally higher in December at 84%, compared to 81% in January. For a detailed look at the conditions, you can check out Arthur's Pass weather in December.
January weather in Arthur's Pass presents a unique contrast to the cooler months, showcasing warm days with an average temperature that beckons outdoor enthusiasts. While the maximum temperatures can reach a pleasant 23°C (73°F), the nights can still dip, reminding visitors of the region’s highland character. However, January is also marked by increased rainfall, with approximately 16 wetter days contributing to a hefty 210 mm (8.3 in) of precipitation, resulting in an ambiance filled with lush greenery and vibrant landscapes. With humidity levels around 81%, the air carries a refreshing quality, perfect for exploring the natural beauty. For more detailed insights into how January fits into the year's weather patterns, check out Arthur's Pass Climate.