Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
December
Weather in December
Temperature
Heriot experiences an average high-temperature of a still refreshing 16.3°C (61.3°F) in December, subtly different from November's 14.3°C (57.7°F). Heriot experiences an average nighttime temperature of 8.8°C (47.8°F) in the month of December.Humidity
In December, the average relative humidity in Heriot, New Zealand, is 80%.Rainfall
In Heriot, during December, the rain falls for 18.5 days and regularly aggregates up to 54mm (2.13") of precipitation. Throughout the year, in Heriot, there are 189 rainfall days, and 513mm (20.2") of precipitation is accumulated.Snowfall
January through April, June, October through December are months without snowfall.Daylight
With an average of 15h and 42min of daylight, December has the longest days of the year in Heriot.On the first day of December in Heriot, sunrise is at 5:48 am and sunset at 9:15 pm. On the last day of the month, sunrise is at 5:55 am and sunset at 9:35 pm NZDT.
Sunshine
December has the most sunshine of the year, with an average of 10.3h of sunshine.UV index
The average daily maximum UV index in December is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for average individuals.Note: The daily maximum UV index of 4 in December interprets into the following advice:
Guard yourself - Precautionary measures against sun damage are advocated. To avoid the Sun's strongest rays, limit exposure around the mid-day period. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in December in Heriot?
What is the average humidity in December in Heriot?
How many days does it rain in December in Heriot?
When it does not snow in Heriot?
When are the longest days in Heriot?
What is the average length of the day in December in Heriot?
When is the sunrise / sunset in December in Heriot?
What month has the most sunshine in Heriot?
How long on average sun shines in December in Heriot?
What is the UV index reading in December in Heriot?
Average temperature in December
Heriot, New Zealand
- Average high temperature in December: 16.3°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 December: 8.8°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 December
Heriot, New Zealand
- Average pressure in December: 1010.8mbar
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 December
Heriot, New Zealand
- Average wind speed in December: 14.6km/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 December
Heriot, New Zealand
- Average humidity in December: 80%
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 December
Heriot, New Zealand
- Average rainfall in December: 54mm
The wettest month (with the highest rainfall) is November (64mm).
The driest month (with the least rainfall) is September (26mm).
Average rainfall days in December
Heriot, New Zealand
- Average rainfall days in December: 18.5 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 December
Heriot, New Zealand
- Average snowfall in December: 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 December
Heriot, New Zealand
- Average snowfall days in December: 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 December /
Average sunshine in December
Heriot, New Zealand
- Average daylight in December: 15h and 4min
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 December: 10h and 2min
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 December
Heriot, New Zealand
- Average sunshine days in December: 9.7 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 December
Heriot, New Zealand
- Average UV index in December: 4
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 December
Heriot, New Zealand
- Average cloud cover in December: 45
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 December
Heriot, New Zealand
- Average visibility in December: 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).
