Contents
- Weather in January
- Frequently asked questions
- Average temperature in January
- Average pressure in January
- Average wind speed in January
- Average humidity in January
- Average rainfall in January
- Average rainfall days in January
- Average sea temperature in January
- Average daylight in January
- Average sunshine in January
- Average sunshine days in January
- Average UV index in January
- Average cloud cover in January
- Average visibility in January
January
Weather in January
Temperature
Wellington, New Zealand, measures an average high-temperature of a still enjoyable 18.5°C (65.3°F) in January, nearly consistent with the preceding month. The nighttime temperature in January experiences a minor dip, averaging a still refreshing 15°C (59°F).Humidity
In Wellington, the average relative humidity in January is 79%.Rainfall
The months with the least rainfall are January and February Rain falls for 9.6 days and accumulates 20mm (0.79") of rain.Sea temperature
In Wellington, the average seawater temperature in January is 16.6°C (61.9°F).Note: Most people do not take pleasure in swimming in water at 16.6°C (61.9°F). The difficulty of managing breathing increases as the water temperature dips from 21°C (69.8°F) to 15°C (59°F).
Daylight
In January, the average length of the day in Wellington is 14h and 46min.On the first day of January in Wellington, sunrise is at 5:50 am and sunset at 8:57 pm. On the last day of the month, sunrise is at 6:24 am and sunset at 8:43 pm NZDT.
Sunshine
The average sunshine in January is 8.8h.UV index
January through March and December, with an average maximum UV index of 5, are months with the highest UV index in Wellington. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A daily maximum UV index of 5 in January translates into the following instructions:
Guard yourself - An obligation to protect skin and eyes from harm exists. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are January temperatures in Wellington?
What is the average humidity in January in Wellington?
What is the driest month in Wellington?
How many days does it rain in January in Wellington?
What is the sea water temperature in January in Wellington?
How many hours of daylight does Wellington have in January?
When is the sunrise / sunset in January in Wellington?
How many hours of sunshine does Wellington have in January?
What is the month with the highest UV index in Wellington?
What is the UV index reading in January in Wellington?
Average temperature in January
Wellington, New Zealand
- Average high temperature in January: 18.5°C
The warmest month (with the highest average high temperature) is February (18.8°C).
The month with the lowest average high temperature is July (11.4°C).
- Average low temperature in January: 15°C
The month with the highest average low temperature is February (15.4°C).
The coldest month (with the lowest average low temperature) is July (9°C).
Average pressure in January
Wellington, New Zealand
- Average pressure in January: 1012.4mbar
The month with the highest atmospheric pressure is March (1017.7mbar).
The months with the lowest atmospheric pressure are September and November (1012.2mbar).
Average wind speed in January
Wellington, New Zealand
- Average wind speed in January: 25.7km/h
The windiest month (with the highest average wind speed) is September (26.9km/h).
The calmest month (with the lowest average wind speed) is March (23.1km/h).
Average humidity in January
Wellington, New Zealand
- Average humidity in January: 79%
The months with the highest relative humidity are February, March, April and December (80%).
The month with the lowest relative humidity is July (78%).
Average rainfall in January
Wellington, New Zealand
- Average rainfall in January: 20mm
The wettest month (with the highest rainfall) is June (47mm).
The driest months (with the least rainfall) are January and February (20mm).
Average rainfall days in January
Wellington, New Zealand
- Average rainfall days in January: 9.6 days
The month with the highest number of rainy days is June (14.5 days).
The month with the least rainy days is February (8 days).
Average sea temperature in January
Wellington, New Zealand
- Average sea temperature in January: 16.6°C
The best month for swimming (with the highest average sea temperature) is February (17.1°C).
The coldest month (with the lowest average sea temperature) is August (12.3°C).
Average daylight in January /
Average sunshine in January
Wellington, 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 5min
The month with the most sunshine is December (Average sunshine: 9h and 24min).
The month with the least sunshine is June (Average sunshine: 5h and 24min).
Average sunshine days in January
Wellington, New Zealand
- Average sunshine days in January: 18 days
The month with the most sunshine days is March (19 days).
The month with the least sunshine days is June (11.5 days).
Average UV index in January
Wellington, New Zealand
- Average UV index in January: 5
The months with the highest UV index are January, February, March and December (UV index 5).
The months with the lowest UV index are May and June (UV index 3).
Average cloud cover in January
Wellington, New Zealand
- Average cloud cover in January: 31
The month with the most cloud cover is June (Cloud cover 44).
The month with the least cloud cover is February (Cloud cover 30).
Average visibility in January
Wellington, New Zealand
- Average visibility in January: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
