January
Weather in January
Temperature
As January unfolds, the average high-temperature reaches a pleasant 21.7°C (71.1°F), hinting at a slight fluctuation from the previous month. An average nighttime temperature of 13.8°C (56.8°F) is recorded during January.Humidity
In January, the average relative humidity is 80.9%.Rainfall
In New Plymouth, in January, during 8.9 rainfall days, 115mm (4.53") of precipitation is typically accumulated. Throughout the year, in New Plymouth, New Zealand, there are 134.8 rainfall days, and 1386mm (54.57") of precipitation is accumulated.Sea temperature
In New Plymouth, in January, the average water temperature is 18°C (64.4°F).Note: For most, swimming in 18°C (64.4°F) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 21°C (69.8°F) to 15°C (59°F).
Daylight
In New Plymouth, the average length of the day in January is 14h and 33min.On the first day of January, sunrise is at 6:00 am and sunset at 8:52 pm. On the last day of the month, sunrise is at 6:32 am and sunset at 8:41 pm NZDT.
Sunshine
The months with the most sunshine are January and February, with an average of 8h of sunshine.UV index
The months with the highest UV index are January and December, with an average maximum UV index of 11. A UV Index estimate of 11, and higher, represents an extreme threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: During January, 11 as the daily maximum UV index converts into the following advice:
Put into effect every precaution of importance, unprotected skin and eyes may get burns swiftly. Stay out of direct sunlight and seek shade between 10 a.m. and 4 p.m., when UV radiation is strongest, but remember that shade devices may not offer full sun protection. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in January?
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How many hours of sunshine does New Plymouth have in January?
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Average temperature in January
New Plymouth, New Zealand
- Average high temperature in January: 21.7°C
The warmest month (with the highest average high temperature) is February (22.1°C).
The month with the lowest average high temperature is July (13.3°C).
- Average low temperature in January: 13.8°C
The month with the highest average low temperature is February (13.9°C).
The coldest month (with the lowest average low temperature) is July (5.8°C).
Average humidity in January
New Plymouth, New Zealand
- Average humidity in January: 80.9%
The month with the highest relative humidity is June (86.1%).
The month with the lowest relative humidity is November (80.1%).
Average rainfall in January
New Plymouth, New Zealand
- Average rainfall in January: 114.5mm
The wettest month (with the highest rainfall) is June (152.6mm).
The driest month (with the least rainfall) is February (85.4mm).
Average rainfall days in January
New Plymouth, New Zealand
- Average rainfall days in January: 8.9 days
The month with the highest number of rainy days is October (14.1 days).
The month with the least rainy days is February (7.7 days).
Average sea temperature in January
New Plymouth, 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
New Plymouth, New Zealand
- Average daylight in January: 14h and 4min
The month with the longest days is December (Average daylight: 14h and 54min).
The month with the shortest days is June (Average daylight: 9h and 30min).
- Average sunshine in January: 8h and 0min
The months with the most sunshine are January and February (Average sunshine: 8h and 0min).
The month with the least sunshine is June (Average sunshine: 3h and 54min).
Average UV index in January
New Plymouth, New Zealand
- Average UV index in January: 11
The months with the highest UV index are January and December (UV index 11).
The months with the lowest UV index are May, June and July (UV index 2).
