January weather forecast
Nelson, New Zealand

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.