Last updated: August 31, 2025
January in Blenheim, New Zealand, is characterized by warm temperatures and a touch of summer's charm. With a maximum peak reaching 29°C (84°F) and an average of 17°C (63°F), residents and visitors can enjoy comfortably warm days. The nights cool down significantly, dipping to a minimum of 7°C (45°F). Despite the warmth, the month brings occasional showers, resulting in 41 mm (1.6 in) of precipitation over a span of 6 days. The air is imbued with a humidity level of 79%, adding a lush vibrancy to the serene landscapes of Blenheim. Whether you're exploring vineyards or basking in the sun, January offers an inviting atmosphere for outdoor adventures.
In January, Blenheim, New Zealand, experiences mild to warm temperatures that set the tone for summer. With minimums around 7°C (45°F) and maximums peaking at an inviting 29°C (84°F), the average temperature hovers at a comfortable 17°C (63°F). As the month progresses, the warmth slowly transitions into February, where the temperatures see a slight decrease, although the climate remains pleasant with an average temperature still at 17°C (63°F) and a maximum of 28°C (82°F). Throughout January, the region enjoys longer daylight hours and a vibrant atmosphere, perfect for outdoor activities. The overall trend showcases a consistent upward trajectory in warmth as summer fully envelops the region, making it a delightful time to experience Blenheim’s scenic beauty.
In January, Blenheim experiences a relatively mild precipitation level of 41 mm (1.6 inches) over just 6 days, marking it as one of the drier months of the year. As summer transitions into autumn, rainfall tends to increase, with February and March seeing a jump to 67 mm (2.6 inches) and 66 mm (2.6 inches) respectively, while the number of wet days remains consistent. This trend continues through the year, peaking in December with 101 mm (4.0 inches) and 12 rainy days, indicating a shift towards more robust rainfall as the seasons change. Overall, January’s modest precipitation sets the stage for the wetter months ahead, reflecting Blenheim’s distinct climate pattern where summer offers brief respites from the rain.
In January, Blenheim experiences a comfortable humidity level of 79%, which remains consistent through February and March. This relatively stable humidity sets the tone for the summer months, before a slight increase to 80% in April hints at the upcoming seasonal change. As autumn gives way to winter, humidity levels rise more noticeably, reaching 84% in May and peaking at 86% in both June and July. The trend continues with a gradual decline in humidity during late winter and early spring, stabilizing around 83% in August and September and receding gently to 82% in both October and November, before settling at 81% in December. This cycle illustrates how Blenheim's humidity fluctuates with the seasons, creating a rich atmospheric tapestry throughout the year.
In Blenheim, New Zealand, January sees an extreme UV Index of 13, with a quick burn time of just 10 minutes. This level of intensity is consistent throughout the summer months of January and February, emphasizing the need for sun protection during these peak times. As autumn arrives, the UV Index dips to 9 in March and 7 in April, signaling a transition to very high and high exposure categories, with longer burn times of 15 and 25 minutes, respectively. By the time May rolls around, the index drops to a moderate 4, allowing outdoor enthusiasts more time in the sun with a burn time of 30 minutes. This seasonal trend continues into winter and spring, where the UV levels remain progressively lower, reaching a low of 2 in June and July, but begin to rise again in October as it ascends to a 9. Interestingly, November brings back extreme levels with an index of 11, just before December peaks again at 13. It's crucial for residents and visitors alike to remain vigilant about sun safety, especially during those intense summer months. For more detailed information on UV levels throughout the year, visit the Blenheim UV Index.
UV Risk Categories
January in Blenheim, New Zealand, shines bright with an impressive 300 hours of sunshine, setting the tone for a summer that gradually builds in brilliance. This trend continues into February, which sees an enticing 306 hours of sun, tantalizing outdoor enthusiasts and families alike. As autumn approaches in March, the sun begins to wane slightly, offering 289 hours, yet the warm days linger. April marks a significant decline to 242 hours, signaling the transition to cooler weather as the sun's energy retreats. The trend continues into the winter months of May and June, where sunshine dips to 220 and 181 hours respectively, inviting cozy indoor pursuits. However, July and August see a slight rebound, with 199 and 233 hours of sun, hinting at the coming spring. As spring blossoms in September with 263 hours, the sunshine steadily increases, culminating in a radiant November that boasts 320 hours and a dazzling close with 351 hours in December. This remarkable annual cycle showcases Blenheim's unique climate, making it a charming destination for sun seekers year-round.
In Blenheim, New Zealand, January stands out as a bright beacon of sunshine, boasting a 55% chance of clear, sunny days. This favorable weather trend positions January as the sunniest month of the year, offering abundant opportunities for outdoor activities and exploration. In contrast, February sees a slight drop to 46%, while March and April follow closely behind at 43% and 50%, respectively. As we transition into the cooler months, the likelihood of sunny weather diminishes, hovering around the 40% mark in mid-year. By October, the chances decrease significantly to 31%, marking a shift toward the cloudier, wetter months ahead. Overall, January's sunny disposition serves as a delightful prelude to the summer season in Blenheim, making it an ideal time to soak up the sun.
In Blenheim, New Zealand, January ushers in the longest days of the year, basking in a generous 14 hours of daylight. As summer transitions into autumn, daylight begins to wane, with February and March witnessing a gradual decline to 13 and 12 hours respectively. By April, the daylight shrinks to 10 hours, marking a clearer shift towards the cooler months. As winter sets in, May through July maintain a steady 9 hours of daylight, creating a cozy atmosphere. However, as spring approaches in August, the days start to lengthen again, reaching 10 hours, and growing steadily until November, where they peak again at 14 hours. December shines brightest with 15 hours of daylight, setting the stage for a vibrant summer. This rhythmic ebb and flow of daylight reflects the changing seasons, offering a captivating natural cycle throughout the year.
In Blenheim, New Zealand, January welcomes visitors with a gentle breeze, averaging 4.5 m/s (10 mph), making it one of the windiest months of the year. This brisk start paves the way for a slight decrease in wind speed as February follows closely behind at 4.3 m/s (10 mph). The autumn months show a consistent trend of diminishing winds, with speeds dropping to 3.9 m/s (9 mph) in April before recovering slightly in May. As winter approaches, the winds remain mild, averaging 4.0 m/s (9 mph) in June and tapering to 3.8 m/s (8 mph) in July, reflecting a calmer atmosphere. The spring months see a resurgence, peaking in September at 5.2 m/s (12 mph), hinting at the seasonal shifts that bring in refreshing breezes. November and December maintain moderate conditions at 4.9 m/s (11 mph) and 4.3 m/s (10 mph), rounding out the year with delightful wind patterns that enhance Blenheim's vibrant outdoor lifestyle.
Weather in Blenheim varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Blenheim, focusing on differences in temperature, rainfall, humidity, and UV levels.
In comparison to January, February experiences slightly milder temperatures, with a minimum of 8°C (46°F) compared to January's 7°C (45°F). The average temperature remains consistent at 17°C (63°F), while the maximum temperature is just a degree lower at 28°C (82°F) compared to 29°C (84°F) in January. However, February sees a notable increase in precipitation, totaling 67 mm (2.6 in) over 6 days, whereas January records 41 mm (1.6 in) with the same number of rainy days. Both months maintain a humidity level of 79%, providing a similar feel in terms of moisture. For more detailed insights, visit Blenheim weather in February.
In January, temperatures in Blenheim range from a minimum of 7°C (45°F) to a maximum of 29°C (84°F), with an average of 17°C (63°F). The month sees around 41 mm (1.6 in) of precipitation spread over 6 days, while humidity levels remain at 79%. In contrast, March experiences slightly cooler temperatures, with a minimum of 7°C (44°F) and a maximum of 24°C (76°F), resulting in an average temperature of 15°C (60°F). Precipitation increases to 66 mm (2.6 in) over 8 days, but humidity stays consistent at 79%. For more details on March weather, you can check Blenheim weather in March.
In January, the weather typically features warmer temperatures, with a minimum of 7°C (45°F) and a maximum of 29°C (84°F), while April sees cooler conditions, with temperatures ranging from a minimum of 4°C (39°F) to a maximum of 22°C (71°F). Precipitation is more pronounced in April, averaging 98 mm (3.9 inches) over 8 days compared to January's 41 mm (1.6 inches) across 6 days. Both months experience similar humidity levels, around 79-80%, but the overall feel of January is notably warmer and drier than that of April. For more detailed insights about April weather, you can check Blenheim weather in April.
In January, the weather is generally warmer, with temperatures ranging from a minimum of 7°C (45°F) to a maximum of 29°C (84°F), and an average of 17°C (63°F). Although it experiences fewer rainy days, with precipitation totaling 41 mm (1.6 in) over 6 days and a humidity level of 79%, January feels quite comfortable. Conversely, May sees cooler temperatures, with a minimum of 1°C (35°F) and a maximum of 19°C (67°F), averaging around 11°C (52°F). The month is wetter, receiving 76 mm (3.0 in) of precipitation over 8 days and a slightly higher humidity of 84%. For more details about May weather, check out Blenheim weather in May.
In January, the weather is generally warmer and more pleasant, with average temperatures ranging from a minimum of 7°C (45°F) to a maximum of 29°C (84°F), and a moderate precipitation of 41 mm (1.6 in) over approximately 6 days. The humidity is relatively high at 79%, but the conditions are still favorable for outdoor activities.
In contrast, June experiences significantly cooler temperatures, with averages ranging from 1°C (35°F) to 17°C (63°F). The month sees increased rainfall, with 77 mm (3.0 in) over about 10 days, and humidity rises to 86%. For more details about the weather patterns in June, you can refer to Blenheim weather in June.
January and July present contrasting weather patterns. In January, temperatures range from a mild 7°C (45°F) to a warm maximum of 29°C (84°F), with an average of 17°C (63°F). This summer month experiences relatively low precipitation, totaling 41 mm (1.6 in) over just 6 days and a humidity level of 79%. In stark contrast, July sees much cooler temperatures, with a minimum of 1°C (34°F) and a maximum of 15°C (59°F), averaging only 8°C (47°F). This winter month is characterized by higher precipitation, with 97 mm (3.8 in) falling over 12 days, and humidity climbing to 86%. For more details, check Blenheim weather in July.
In January, Blenheim experiences warmer temperatures with a minimum of 7°C (45°F) and a maximum of 29°C (84°F), offering an average of 17°C (63°F) for the month. The weather is relatively dry with 41 mm (1.6 in) of precipitation over about 6 days, and humidity is moderate at 79%.
In contrast, August brings a notable drop in temperature, with minimums averaging 1°C (34°F) and maximums reaching only 18°C (65°F), resulting in an average of 9°C (48°F). The month is wetter, with 73 mm (2.9 in) of precipitation spread over 10 days, while humidity increases slightly to 83%.
For more details on August weather, you can visit Blenheim weather in August.
January and September exhibit distinct weather patterns, influencing the overall climate experience. In January, the temperatures range from a comfortable minimum of 7°C (45°F) to a warm maximum of 29°C (84°F), with an average of 17°C (63°F). This month sees relatively low precipitation, totaling 41 mm (1.6 in) over just 6 days and a moderate humidity level of 79%. Conversely, September presents a cooler environment, with temperatures dipping to a minimum of 1°C (34°F) and maxing out at 18°C (65°F), averaging around 10°C (50°F). The month experiences nearly double the rainfall compared to January, with 82 mm (3.2 in) spread over 10 days, and humidity slightly higher at 83%. For a closer look at September weather specifics in Blenheim, check out Blenheim weather in September.
In January, the weather is notably warmer with temperatures ranging from a minimum of 7°C (45°F) to a maximum of 29°C (84°F), averaging around 17°C (63°F). There's relatively low precipitation, totaling 41 mm (1.6 in) over just six days, and the humidity is at 79%. In contrast, October experiences cooler temperatures, with a minimum of 2°C (36°F) and a maximum of 20°C (69°F), averaging only 12°C (54°F). This month sees increased precipitation at 76 mm (3.0 in) spread over 11 days, alongside slightly higher humidity at 82%. For more details on the weather in October, you can visit Blenheim weather in October.
In comparing the weather between January and November, January generally offers warmer temperatures, with averages reaching up to 29°C (84°F), whereas November sees a milder maximum of 24°C (75°F). The minimum temperatures are also slightly higher in January, at 7°C (45°F) compared to November's 5°C (41°F). However, November tends to experience significantly more precipitation, averaging 81 mm (3.2 in) over 11 days, compared to January's 41 mm (1.6 in) across 6 days. Humidity levels remain fairly similar, with January at 79% and November slightly higher at 82%. For a detailed look at November weather, you can check Blenheim weather in November.
January generally offers slightly warmer temperatures compared to December, with average highs reaching 29°C (84°F) compared to December's 25°C (77°F). While both months experience mild minimum temperatures, January's lows average around 7°C (45°F), slightly higher than December's 6°C (43°F). However, December sees significantly more rainfall, with a total of 101 mm (4.0 in) spread over 12 days, whereas January receives only 41 mm (1.6 in) over 6 days. The humidity remains comparable in both months, hovering around 79% in January and 81% in December. For more detailed insights, you can explore Blenheim weather in December.
In January, Blenheim experiences a delightful warmth, with temperatures reaching their peak and a significant amount of sunshine, making it a stark contrast to the cooler months. The average temperature hovers around a comfortable 17°C (63°F), while maximums can soar up to 29°C (84°F). Despite experiencing a few rainy days, with a total precipitation of 41 mm, January's idyllic climate draws visitors looking to enjoy outdoor activities in a picturesque setting. The elevated humidity at 79% adds a refreshing feel to the warm days. For a broader perspective on how January's climate compares with other months, explore the full details at Blenheim Climate.