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 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
Weather in January
Temperature
The weather during January records an average high-temperature of a still refreshing 17.1°C (62.8°F), closely mirroring the preceding month. In Greymouth, the month of January records an average minimum temperature of 12.3°C (54.1°F), a slight dip from the daily highs.Humidity
The months with the highest humidity are January, April, August, October through December, with an average relative humidity of 79%.Rainfall
In January, the rain falls for 5.2 days. Throughout January, 17mm (0.67") of precipitation is accumulated. Throughout the year, there are 61 rainfall days, and 259mm (10.2") of precipitation is accumulated.Daylight
The average length of the day in January in Greymouth is 14h and 53min.On the first day of the month, sunrise is at 6:01 am and sunset at 9:15 pm. On the last day of January, sunrise is at 6:35 am and sunset at 9:00 pm NZDT.
Sunshine
The average sunshine in January in Greymouth is 8.6h.UV index
The months with the highest UV index in Greymouth are January through March, November and December, with an average maximum UV index of 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: In January, the maximum UV index of 4 suggests this advice:
Take necessary precautions - Defending against sun damage is advocated. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Frequently asked questions
What are the temperatures in Greymouth in January?
What is the most humid month in Greymouth?
What is the average humidity in January in Greymouth?
How much does it rain in Greymouth in January?
How many hours of daylight does Greymouth have in January?
When are sunrise and sunset in January in Greymouth?
How long on average sun shines in January in Greymouth?
What are the months with the highest UV index in Greymouth?
What is the UV index intensity in January in Greymouth?
Average temperature in January
Greymouth, New Zealand
- Average high temperature in January: 17.1°C
The warmest month (with the highest average high temperature) is February (17.6°C).
The month with the lowest average high temperature is July (9.5°C).
- Average low temperature in January: 12.3°C
The month with the highest average low temperature is February (12.5°C).
The coldest month (with the lowest average low temperature) is July (5.7°C).
Average pressure in January
Greymouth, New Zealand
- Average pressure in January: 1012.5mbar
The month with the highest atmospheric pressure is March (1017.5mbar).
The month with the lowest atmospheric pressure is September (1011.9mbar).
Average wind speed in January
Greymouth, New Zealand
- Average wind speed in January: 12.4km/h
The windiest month (with the highest average wind speed) is October (13km/h).
The calmest month (with the lowest average wind speed) is March (10.7km/h).
Average humidity in January
Greymouth, New Zealand
- Average humidity in January: 79%
The months with the highest relative humidity are January, April, August, October, November and December (79%).
The months with the lowest relative humidity are June and July (77%).
Average rainfall in January
Greymouth, New Zealand
- Average rainfall in January: 17mm
The wettest month (with the highest rainfall) is November (40mm).
The driest month (with the least rainfall) is June (9mm).
Average rainfall days in January
Greymouth, New Zealand
- Average rainfall days in January: 5.2 days
The month with the highest number of rainy days is October (6.1 days).
The month with the least rainy days is February (3.5 days).
Average daylight in January /
Average sunshine in January
Greymouth, New Zealand
- Average daylight in January: 14h and 5min
The month with the longest days is December (Average daylight: 15h and 12min).
The month with the shortest days is June (Average daylight: 9h and 6min).
- Average sunshine in January: 8h and 4min
The month with the most sunshine is December (Average sunshine: 9h and 48min).
The months with the least sunshine are June and July (Average sunshine: 5h and 48min).
Average sunshine days in January
Greymouth, New Zealand
- Average sunshine days in January: 23.3 days
The month with the most sunshine days is March (26.3 days).
The month with the least sunshine days is October (21.7 days).
Average UV index in January
Greymouth, New Zealand
- Average UV index in January: 4
The months with the highest UV index are January, February, March, November and December (UV index 4).
The months with the lowest UV index are April, May, June, July, August, September and October (UV index 3).
Average cloud cover in January
Greymouth, New Zealand
- Average cloud cover in January: 43
The month with the most cloud cover is October (Cloud cover 48).
The month with the least cloud cover is February (Cloud cover 37).
Average visibility in January
Greymouth, 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).
Greymouth, New Zealand
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