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 snowfall in January
- Average snowfall 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
January
Weather in January
Temperature
January is marked by an average high-temperature of a pleasant 21.1°C (70°F), almost identical to the preceding month. During January, Ratana experiences an average low-temperature of 13.8°C (56.8°F) at night.Humidity
January is the least humid month, with an average relative humidity of 76%.Rainfall
In January, the rain falls for 11.3 days. Throughout January, 33mm (1.3") of precipitation is accumulated. Throughout the year, in Ratana, New Zealand, there are 176 rainfall days, and 634mm (24.96") of precipitation is accumulated.Snowfall
In Ratana, snow does not fall in January through July, September through December.Daylight
In January, the average length of the day is 14h and 38min.On the first day of January, sunrise is at 5:53 am and sunset at 8:51 pm. On the last day of the month, sunrise is at 6:25 am and sunset at 8:39 pm NZDT.
Sunshine
In January, the average sunshine is 8.4h.UV index
The months with the highest UV index in Ratana are January through March and December, with an average maximum UV index of 5. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for average individuals.Note: The maximum daily UV index of 5 during January translates into the following directions:
Be vigilant - Preventing sunburn is recommended. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are January temperatures in Ratana?
What is the least humid month in Ratana?
What is the average humidity in January in Ratana?
How many days does it rain in January in Ratana?
When it does not snow in Ratana?
How many hours of daylight does Ratana have in January?
When is the sunrise / sunset in January in Ratana?
How many hours of sunshine does Ratana have in January?
What are the months with the highest UV index in Ratana?
How high is the UV index in January in Ratana?
Average temperature in January
Ratana, New Zealand
- Average high temperature in January: 21.1°C
The warmest month (with the highest average high temperature) is February (21.5°C).
The month with the lowest average high temperature is July (11.8°C).
- Average low temperature in January: 13.8°C
The month with the highest average low temperature is February (14°C).
The coldest month (with the lowest average low temperature) is August (7.2°C).
Average pressure in January
Ratana, New Zealand
- Average pressure in January: 1013.4mbar
The month with the highest atmospheric pressure is March (1018.1mbar).
The month with the lowest atmospheric pressure is September (1013.1mbar).
Average wind speed in January
Ratana, New Zealand
- Average wind speed in January: 16.9km/h
The windiest month (with the highest average wind speed) is October (18.2km/h).
The calmest month (with the lowest average wind speed) is February (14.6km/h).
Average humidity in January
Ratana, New Zealand
- Average humidity in January: 76%
The months with the highest relative humidity are June and August (82%).
The month with the lowest relative humidity is January (76%).
Average rainfall in January
Ratana, New Zealand
- Average rainfall in January: 33mm
The wettest month (with the highest rainfall) is April (69mm).
The driest month (with the least rainfall) is February (30mm).
Average rainfall days in January
Ratana, New Zealand
- Average rainfall days in January: 11.3 days
The month with the highest number of rainy days is September (17.4 days).
The month with the least rainy days is February (9.9 days).
Average snowfall in January
Ratana, New Zealand
- Average snowfall in January: 0mm
The month with the highest snowfall is August (2mm).
The months with the least snowfall are January, February, March, April, May, June, July, September, October, November and December (0mm).
Average snowfall days in January
Ratana, New Zealand
- Average snowfall days in January: 0 days
The month with the highest number of snowfall days is August (0.1 days).
The months with the least snowfall days are January, February, March, April, May, June, July, September, October, November and December (0 days).
Average daylight in January /
Average sunshine in January
Ratana, New Zealand
- Average daylight in January: 14h and 4min
The month with the longest days is December (Average daylight: 15h and 0min).
The month with the shortest days is June (Average daylight: 9h and 24min).
- Average sunshine in January: 8h and 2min
The month with the most sunshine is December (Average sunshine: 8h and 48min).
The month with the least sunshine is June (Average sunshine: 6h and 12min).
Average sunshine days in January
Ratana, New Zealand
- Average sunshine days in January: 16.4 days
The month with the most sunshine days is January (16.4 days).
The month with the least sunshine days is September (9.7 days).
Average UV index in January
Ratana, 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, June, July and August (UV index 3).
Average cloud cover in January
Ratana, New Zealand
- Average cloud cover in January: 34
The month with the most cloud cover is June (Cloud cover 51).
The month with the least cloud cover is January (Cloud cover 34).
Average visibility in January
Ratana, New Zealand
- Average visibility in January: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, November and December (10km).
The months with the lowest visibility are September and October (9km).
