January weather forecast
Nelson, New Zealand

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Weather in January

Nelson, New Zealand experiences a moderately warm January, with a pleasant combination of heat and humidity. With daily high temperatures averaging at 22.4°C (72.3°F), it is warmer than the subsequent month but cooler than the last. January brings sporadic showers, painting Nelson's canvas with vibrant greens. The weather is preferable for outdoor activities during daylight hours which stretch over 14.8 hours. Despite the occasional shower, Nelson boasts an average of 8.6 hours of bright sunshine every day, maintaining an uplifting ambiance.

Temperature

In January, Nelson experiences a minor shift in meteorological conditions with average high-temperatures marked at a still pleasant 22.4°C (72.3°F), closely mirroring the climate in December. An average low-temperature of 13.2°C (55.8°F) is recorded in the month of January.

Humidity

In January, the average relative humidity is 74.4%.

Rainfall

In Nelson, New Zealand, in January, it is raining for 6.8 days, with typically 77mm (3.03") of accumulated precipitation. In Nelson, during the entire year, the rain falls for 93.4 days and collects up to 960mm (37.8") of precipitation.

Sea temperature

In Nelson, the average seawater temperature in January is 18°C (64.4°F).
Note: The majority of individuals find swimming in 18°C (64.4°F) to be unenjoyable. The difficulty in controlling breathing rises as the temperature decreases from 21°C (69.8°F) to 15°C (59°F).

Daylight

The average length of the day in January is 14h and 46min.
On the first day of January, sunrise is at 5:56 am and sunset at 9:03 pm. On the last day of the month, sunrise is at 6:30 am and sunset at 8:49 pm NZDT.

Sunshine

With an average of 8.6h of sunshine, January has the most sunshine of the year in Nelson.

UV index

January is the month with the highest UV index, with an average maximum UV index of 11. A UV Index value of 11, and more, symbolizes an excessive health risk from exposure to the Sun's UV rays for average individuals.
Note: In January, a daily UV index of 11 turns into the following recommendations:
Put into effect every precaution of importance, unprotected skin and eyes may get burns swiftly. The Sun's UV radiation is most potent between 10 a.m. and 4 p.m. Try to limit direct exposure to the Sun during this period. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.

Frequently asked questions

What is the temperature in January in Nelson?

In Nelson, in January, the average high-temperature is 22.4°C (72.3°F), and the average low-temperature is 13.2°C (55.8°F).

What is the average humidity in January in Nelson?

In January, the average relative humidity in Nelson is 74.4%.

How much does it rain in Nelson in January?

In January, in Nelson, the rain falls for 6.8 days. Throughout January, 77mm (3.03") of precipitation is accumulated.

How cold is the water in January in Nelson?

In Nelson, in January, the average water temperature is 18°C (64.4°F). For swimming, a surface water temperature of 18°C (64.4°F) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 21°C (69.8°F).

How many hours of daylight does Nelson have in January?

The average day length in January in Nelson is 14h and 46min.

What time are sunrise and sunset in January in Nelson?

In January, on the first day of the month, sunrise is at 5:56 am and sunset at 9:03 pm. On the last day of the month, in Nelson, New Zealand, sunrise is at 6:30 am and sunset at 8:49 pm NZDT.

What month has the most sunshine in Nelson?

With an average of 8.6h of sunshine, January has the most sunshine of the year.

How long on average sun shines in January in Nelson?

The average sunshine duration in January is 8.6h.

When is the highest UV index in Nelson?

January is the month with the highest UV index in Nelson, with an average maximum UV index of 11.

How high is the UV index in January in Nelson?

In January, the average daily maximum UV index in Nelson is 11. A UV Index of 11, and more, symbolizes an extreme health threat from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average UV index

Average temperature in January
Nelson, New Zealand

Average temperature in January - Nelson, New Zealand
  • Average high temperature in January: 22.4°C

The warmest month (with the highest average high temperature) is February (22.6°C).
The month with the lowest average high temperature is July (12.5°C).

  • Average low temperature in January: 13.2°C

The month with the highest average low temperature is February (13.3°C).
The coldest month (with the lowest average low temperature) is July (1.9°C).

Average humidity in January
Nelson, New Zealand

Average humidity in January - Nelson, New Zealand
  • Average humidity in January: 74.4%

The month with the highest relative humidity is July (90%).
The month with the lowest relative humidity is November (73.7%).

Average rainfall in January
Nelson, New Zealand

Average rainfall in January - Nelson, New Zealand
  • Average rainfall in January: 76.5mm

The wettest month (with the highest rainfall) is June (92.7mm).
The driest month (with the least rainfall) is February (63.5mm).

Average rainfall days in January
Nelson, New Zealand

Average rainfall days in January - Nelson, New Zealand
  • Average rainfall days in January: 6.8 days

The month with the highest number of rainy days is September (9.9 days).
The month with the least rainy days is February (5.8 days).

Average sea temperature in January
Nelson, New Zealand

Average sea temperature in January - Nelson, New Zealand
  • Average sea temperature in January: 18°C

The best months for swimming (with the highest average sea temperature) are February and March (19°C).
The coldest months (with the lowest average sea temperature) are July, August, September and October (14°C).

Average daylight in January /
Average sunshine in January
Nelson, New Zealand

Average daylight in January / Average sunshine in January - Nelson, New Zealand
  • Average daylight in January: 14h and 5min

The month with the longest days is December (Average daylight: 15h and 6min).
The month with the shortest days is June (Average daylight: 9h and 12min).

  • Average sunshine in January: 8h and 4min

The month with the most sunshine is January (Average sunshine: 8h and 36min).
The month with the least sunshine is June (Average sunshine: 4h and 48min).

Average UV index in January
Nelson, New Zealand

Average UV index in January - Nelson, New Zealand
  • Average UV index in January: 11

The month with the highest UV index is January (UV index 11).
The months with the lowest UV index are June and July (UV index 1).

Nelson, New Zealand

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