During the week of 23 June 2025 - 29 June 2025, temperatures averaged at 15 °C (59 °F) during the day and dropped to 9 °C (48 °F) at night. These temperatures are slightly above the long-time average for Nelson, being 13 °C (55 °F) for daily temperatures and 3 °C (37 °F) for night temperatures. On average, the temperatures during various times of day (in local time) were recorded as: 7am 10 °C (50 °F), 10am 12 °C (54 °F), 1pm 14 °C (57 °F), 4pm 14 °C (57 °F), 7pm 12 °C (54 °F), 10pm 11 °C (52 °F).

There were 4 days without rain, 2 days with moderate rain and 1 day with heavy rain during this week. During the whole week, total of 74 mm (2.91 in) of precipitation was observed, which is above the long term average for Nelson, which is 24 mm (0.94 in). On average, the cloud coverage during daylight hours (from dawn to dusk) was 74 %.

An average wind speed of 1.7 m/s was recorded. The atmosferic pressure ranged from 1002 hpa to 1028 hpa. On average, the air humidity in Nelson was 91 %.

During the daytime (from dawn to dusk), there were in average: 2 hours clear skies, 1.5 hours partially overcast skies, 3 hours overcast skies and 3 hours rainy weather. At 07:53, on average, the sun rose, and at 17:05, the sun set.

Weather overview

Nelson (New Zealand) in general has a hot climate. Temperatures during the day are in the range from 12 °C (54 °F) in July to 22 °C (72 °F) in January. Temperatures during the night go from 2 °C (36 °F) in July to 13 °C (55 °F) in January. The least rainy month in Nelson is February with its 7 days of rain, the rainiest month is September, when it rains 11 days.

January weather

The tourist season is close to its peak in Nelson. The day temperature is on its maximum, and the maximum of the night temperature can be noticed too, the value of this measure is 13 °C (55 °F). The number of rainy days starts to descent, the value of this measure is 7 days. The number of sun hours (without clouds) is on its maximum in January.

February weather

The tourist season is taking place this month in Nelson. The number of rainy days is on its minimum, with its value of 7 days, and the rainfall amount reaches its minimum too. The number of sun hours (without clouds) descent's start could be observed.

March weather

There is pending tourist season in Nelson. The beginning of the descent of the day temperature could be noticed, and the night temperature starts to descent as well, its value is 11 °C (53 °F). The beginning of the rise of the rainfall amount could be noticed, and the number of rainy days starts to rise as well, with its value of 7 days.

April weather

The day temperature descents similarly to the previous month, with its value of 18 °C (64 °F) in Nelson, and the descent of the night temperature can be observed as well, the value of this measure is 9 °C (48 °F). The tourist season continues. The number of rainy days continues to rise, the value of this measure is 8 days, and the rainfall amount rises similarly to the previous month too, with its value being 104 mm (4.09 in).

May weather

The descent of the day temperature can be observed, its value is 15 °C (60 °F) in Nelson, and the night temperature descents similarly to the previous month as well, with its value of 6 °C (42 °F). The number of rainy days continues to rise, the value of this measure is 9 days. The descent of the number of sun hours (without clouds) can be observed, the value of this measure is 5 hours. The minimum of the wind speed is observable, with its value being 4.

June weather

The descent of the day temperature can be observed, the value of this measure is 13 °C (55 °F) in Nelson, and the night temperature descents similarly to the previous month as well, its value is 3 °C (38 °F). The number of rainy days rises similarly to the previous month, its value is 10 days. The minimum of the day length is observable in this month. The minimum of the number of sun hours (without clouds) is observable.

July weather

The minimum of the day temperature can be noticed, its value is 12 °C (54 °F) in Nelson, and the minimum of the night temperature can be noticed as well, its value is 2 °C (36 °F). The number of rainy days descent's start could be observed, its value is 10 days, and the beginning of the descent of the rainfall amount could be noticed too, its value is 91 mm (3.59 in). The maximum of the humidity can be noticed in this month.

August weather

The beginning of the rise of the day temperature could be noticed, its value is 13 °C (56 °F) in Nelson, and the night temperature rise's start could be observed as well, with its value being 4 °C (39 °F). The number of rainy days rise's start could be observed, the value of this measure is 10 days, while the maximum of the rainfall amount can be noticed, with its value being 125 mm (4.92 in). The beginning of the rise of the number of sun hours (without clouds) could be noticed in this month.

September weather

The day temperature rises similarly to the previous month in Nelson, and the rise of the night temperature can be observed as well, with its value being 6 °C (43 °F). The number of rainy days is on its maximum, its value is 11 days, while the beginning of the descent of the rainfall amount could be noticed, its value is 87 mm (3.43 in). The number of sun hours (without clouds) rises similarly to the previous month, the value of this measure is 6 hours.

October weather

The day temperature rises similarly to the previous month, with its value being 16 °C (62 °F) in Nelson, and the night temperature continues to rise too, its value is 8 °C (46 °F). The beginning of the descent of the number of rainy days could be noticed, on the contrary the rainfall amount rise's start could be observed in October. The maximum of the wind speed is observable in this month.

November weather

The rise of the day temperature can be observed, its value is 18 °C (65 °F) in Nelson. The tourist season is at its beginning this month. The number of rainy days descents similarly to the previous month, with its value being 9 days, while the rainfall amount starts to descent, its value is 93 mm (3.67 in). The number of sun hours (without clouds) rises similarly to the previous month, the value of this measure is 7 hours.

December weather

The tourist season is close to its peak in Nelson. The day temperature rises similarly to the previous month, with its value being 20 °C (68 °F), and the night temperature continues to rise too, its value is 12 °C (53 °F). The rainfall amount rise's start could be observed, with its value being 103 mm (4.04 in). The rise of the number of sun hours (without clouds) can be observed, with its value of 8 hours.

What is the temperature in Nelson during the day in January?

In January in Nelson, the average daily temperatures will be 22 °C (72 °F). A comfortable temperature for most people, where it is neither too cold nor too hot, and a large number of activities can be carried out comfortably, including sunbathing by the water. Lighter clothing will be suitable - shorts, skirts, t-shirts, jackets; a light sweater and long trousers may also be useful.

Is February part of the wet season in Nelson?

No, there is no wet season in Nelson in February - you can expect 7 days of rain during the month.

What is the air temperature in Nelson in March at night?

The average night temperature in Nelson in March is 11 °C (53 °F). Nights can be cooler, morning running can be refreshing but choose appropriate clothing, evening outdoor sitting can be pleasant but you can also be cold.

Is April a good month to visit Nelson?

There are good conditions for visiting in Nelson in April. There are only 8 days of rain in the whole month, so you can leave your umbrella at home. A relatively low temperature of 18 °C (64 °F) may be ideal for walking or outdoor activities, but some people may have a different idea of the holiday. The temperature of 9 °C (48 °F) at night may make it better to dine inside or to put on more clothes for a dinner outside.

Is there a dry season in May in Nelson?

No, May is not a dry month in Nelson, expect rain approximately 9 days in a month.

What is the humidity in August in Nelson?

Humidity in August in Nelson is 85 %. This humidity is rather above average, but except for sensitive individuals, it should not be a problem.

How windy is Nelson in September?

An average wind scale that can be expected in September in Nelson is 5.

How many hours of sun to expect in October in Nelson?

There is an average length of sunshine of 7 hours per day in Nelson in October.

How many days of precipitation on average can I expect in Nelson in November?

In Nelson in November, we can expect 9 days to be rainy, that is, days when precipitation exceeds 2 mm (0.08 in). Converted to days of the week, this means that it will occur on an average of 2.2 days of the week, or in general - 31 % days.

What is the sea temperature in December in Nelson?

The sea will reach 16 °C (61 °F) in Nelson in December. At this sea temperature, swimming probably won't be the best experience. You probably won't like to stay in water for a long time. On the other hand, there are a minority of people who seek these conditions.