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 and February are the warmest months, with an average high-temperature of 17.3°C (63.1°F).Humidity
In Heriot, New Zealand, the average relative humidity in January is 79%.Rainfall
In Heriot, in January, it is raining for 18 days, with typically 50mm (1.97") of accumulated precipitation. In Heriot, during the entire year, the rain falls for 189 days and collects up to 513mm (20.2") of precipitation.Snowfall
January through April, June, October through December are months without snowfall.Daylight
In Heriot, the average length of the day in January is 15h and 15min.On the first day of January, sunrise is at 5:56 am and sunset at 9:36 pm. On the last day of the month, sunrise is at 6:34 am and sunset at 9:17 pm NZDT.
Sunshine
In January, the average sunshine in Heriot, New Zealand, is 8.9h.UV index
January is the month with the highest UV index, with an average maximum UV index of 5. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the average person.Note: The UV index of 5 during January leads to these advisories:
Adopt protective measures - It is advised to guard against sun damage. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the hottest time of year in Heriot?
What is the temperature in January in Heriot?
What is the average humidity in January in Heriot?
How much does it rain in Heriot in January?
When it does not snow in Heriot?
What is the average length of the day in January in Heriot?
What time are sunrise and sunset in January in Heriot?
How long on average sun shines in January in Heriot?
What is the month with the highest UV index in Heriot?
What is the UV index intensity in January in Heriot?
Average temperature in January
Heriot, New Zealand
- Average high temperature in January: 17.3°C
The warmest months (with the highest average high temperature) are January and February (17.3°C).
The month with the lowest average high temperature is July (8.6°C).
- Average low temperature in January: 9.8°C
The month with the highest average low temperature is January (9.8°C).
The coldest month (with the lowest average low temperature) is July (3.8°C).
Average pressure in January
Heriot, New Zealand
- Average pressure in January: 1010.1mbar
The month with the highest atmospheric pressure is March (1016.1mbar).
The months with the lowest atmospheric pressure are September and November (1009.7mbar).
Average wind speed in January
Heriot, New Zealand
- Average wind speed in January: 15.7km/h
The windiest month (with the highest average wind speed) is October (16.7km/h).
The calmest month (with the lowest average wind speed) is February (13.5km/h).
Average humidity in January
Heriot, New Zealand
- Average humidity in January: 79%
The month with the highest relative humidity is August (82%).
The months with the lowest relative humidity are October and November (78%).
Average rainfall in January
Heriot, New Zealand
- Average rainfall in January: 50mm
The wettest month (with the highest rainfall) is November (64mm).
The driest month (with the least rainfall) is September (26mm).
Average rainfall days in January
Heriot, New Zealand
- Average rainfall days in January: 18 days
The month with the highest number of rainy days is October (18.8 days).
The month with the least rainy days is June (13.1 days).
Average snowfall in January
Heriot, New Zealand
- Average snowfall in January: 0mm
The month with the highest snowfall is August (11mm).
The months with the least snowfall are January, February, March, April, June, October, November and December (0mm).
Average snowfall days in January
Heriot, New Zealand
- Average snowfall days in January: 0 days
The month with the highest number of snowfall days is August (0.7 days).
The months with the least snowfall days are January, February, March, April, October, November and December (0 days).
Average daylight in January /
Average sunshine in January
Heriot, New Zealand
- Average daylight in January: 15h and 2min
The month with the longest days is December (Average daylight: 15h and 42min).
The month with the shortest days is June (Average daylight: 8h and 42min).
- Average sunshine in January: 8h and 5min
The month with the most sunshine is December (Average sunshine: 10h and 18min).
The month with the least sunshine is June (Average sunshine: 4h and 42min).
Average sunshine days in January
Heriot, New Zealand
- Average sunshine days in January: 9.9 days
The month with the most sunshine days is July (14.8 days).
The month with the least sunshine days is November (8.5 days).
Average UV index in January
Heriot, New Zealand
- Average UV index in January: 5
The month with the highest UV index is January (UV index 5).
The months with the lowest UV index are April, May, June, July, August, September and October (UV index 3).
Average cloud cover in January
Heriot, New Zealand
- Average cloud cover in January: 46
The months with the most cloud cover are October and November (Cloud cover 47).
The month with the least cloud cover is March (Cloud cover 42).
Average visibility in January
Heriot, New Zealand
- Average visibility in January: 9km
The months with the highest visibility are June and July (10km).
The months with the lowest visibility are January, February, March, April, May, August, September, October, November and December (9km).
