Nelson weather and climate in 2025
Day
12 °C
Night
2 °C
Sea
12 °C
Precipitation
91 mm
in month
Rainy days
10 days
in month
Daylight
9 hours
average
Sunshine
5 hours
average
Humidity
88 %
Day
12 °C
Night
2 °C
Sea
12 °C
Precipitation
91 mm
in month
Rainy days
10 days
in month
Daylight
9 hours
average
Sunshine
5 hours
average
Humidity
88 %
Overview: Nelson
Weather charts for Nelson
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Weather overview for Nelson
Weather overview
Nelson, blessed with its own microclimate, boasts the highest sunshine hours in New Zealand. Throughout the year, Nelson's temperatures range from a mild 12 °C (54 °F) in July to a comfortable 22 °C (72 °F) in January. Frequent clear skies provide ample opportunity to bask in the sun, with average sun hours peaking at 8 hours in January. Moderate rainfall patterns exhibit nuances throughout the seasons, with the highest precipitation occurring in October at 115 mm (4.51 in). The delicate balance between sunny days and light rains allows for a rich and diverse natural landscape.
January weather
January in Nelson brings the warmth of summer with average day temperatures reaching up to 22 °C (72 °F). Rain is less frequent, with approximately 7 days of rain, ensuring a predominantly dry and sunny start to the year.
February weather
February continues to deliver delightful weather in Nelson, with temperatures averaging 22 °C (72 °F). The number of rainy days mildly decreases to 6 days, sustaining the enjoyable outdoor conditions.
March weather
As March approaches, Nelson experiences a slight dip in temperature with averages around 21 °C (69 °F). Rainfall remains consistent at an average of 80 mm (3.14 in), signaling the transition towards autumn.
April weather
April sees a further decrease in temperatures, with an average high of 18 °C (64 °F) and increased rainfall, averaging 89 mm (3.52 in). Amidst the change, Nelson's weather remains inviting for those who enjoy cooler climates.
May weather
May ushers in crisp, autumnal air with a noticeable drop in day temperatures to an average of 15 °C (60 °F). Rainfall remains fairly steady, preparing the soil for the upcoming winter.
June weather
June in Nelson marks the onset of winter, with the coldest night temperatures averaging at 3 °C (38 °F). Days are also cooler, highlighting the winter solstice atmosphere and shorter days.
July weather
July is the heart of winter in Nelson with the average daytime temperature keeping steady at a cool 12 °C (54 °F). The chill of the night sets in with average lows of 2 °C (36 °F).
August weather
August may still retain some winter chill with average highs of 13 °C (56 °F), but the landscapes begin to thaw with the incremental return of warmer weather.
September weather
Spring is in full bloom by September, with day temperatures moderately increasing to an average of 15 °C (59 °F). Rainfall is consistent, nourishing the vibrant growth of flora.
October weather
October welcomes longer days and a rise in temperatures, with a daytime average of 16 °C (62 °F). This month also sees the most rainfall, averaging 115 mm (4.51 in).
November weather
As November rolls in, summer's warmth is hinted with daytime temperatures reaching 18 °C (65 °F). Rainfall starts to retreat, providing more consistent sunny days.
December weather
December in Nelson sees a further increase in temperatures, averaging 20 °C (69 °F), as summer begins to take hold. Sun hours extend ensuring more time to enjoy the daylight.
FAQs
What should I wear during a January day in Nelson?
Light clothing is recommended for January in Nelson due to the average high temperature of 22 °C (72 °F). Think shorts, t-shirts, and a hat to shield you from the generous sunshine.
Is Nelson's climate in February suitable for outdoor activities?
Absolutely! With an average daytime temperature of 22 °C (72 °F) and only about 6 days of rain, February is ideal for outdoor activities in Nelson.
What is the average humidity in Nelson during March?
March in Nelson tends to be moderately humid, with an average relative humidity of 79 %, making it feel a bit fresher outside.
How cold does it get in Nelson during the night in April?
Night-time temperatures in Nelson during April drop to an average of 9 °C (48 °F), perfect for a cozy evening under a blanket.
What kind of weather should I prepare for in Nelson during May?
In May, the weather in Nelson gets cooler, averaging 15 °C (60 °F) during the day, so consider bringing a jacket for the cooler evenings.
How should I dress for outdoor activities in Nelson during June?
Outdoor activities in Nelson during June call for warm clothes – layers, jackets, and hats are essential as the average night temperature can drop to 3 °C (38 °F).
Is July a wet month in Nelson?
July is not overly wet in Nelson, but you can still expect around 10 days of rain throughout the month.
How does the weather in Nelson in August compare to winter?
August weather in Nelson is slightly warmer than the depths of winter, with a 13 °C (56 °F) average high, signaling the pending arrival of spring.
What is the typical temperature range in Nelson during September?
In Nelson, September days warm up to an agreeable 15 °C (59 °F), with chillier nights as the season transitions.
What does the increase in rainfall in October mean for visitors to Nelson?
An uptick in rainfall in October, with roughly 11 days of rain, suggests keeping an umbrella close, but the moisture also enhances the scenic beauty of the region.
How do the changing weather patterns in November affect outdoor experiences in Nelson?
November's weather invites more outdoor exploration in Nelson, with rain becoming less frequent and the warmth of the sun more consistently felt.
What kind of weather should I expect in Nelson in December?
Expect temperate weather in Nelson during December, with day temperatures averaging 20 °C (69 °F) and the rise of sun hours fostering longer, brighter days.
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