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
The average high-temperature in December, at a comfortable 16.3°C (61.3°F), reveals a modest deviation from November's 14.3°C (57.7°F). Saint Clair experiences a nighttime temperature average of 8.8°C (47.8°F) during December.Humidity
In December, the average relative humidity is 80%.Rainfall
In Saint Clair, in December, it is raining for 18.5 days, with typically 54mm (2.13") of accumulated precipitation. Throughout the year, in Saint Clair, 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 Saint Clair.On the first day of the month, sunrise is at 5:43 am and sunset at 9:10 pm. On the last day of December, in Saint Clair, sunrise is at 5:50 am and sunset at 9:31 pm NZDT.
Sunshine
The month with the most sunshine in Saint Clair is December, with an average of 10.3h of sunshine.UV index
In December, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: In December, the maximum UV index of 4 translates into these guidelines:
Exercise prevention - Protecting skin and eyes from harm is required. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Saint Clair in December?
What is the average humidity in December in Saint Clair?
How many days does it rain in December in Saint Clair?
When it does not snow in Saint Clair?
When are the longest days in Saint Clair?
What is the average length of the day in December in Saint Clair?
When are sunrise and sunset in December in Saint Clair?
What month has the most sunshine in Saint Clair?
How many hours of sunshine does Saint Clair have in December?
How high is the UV index in December in Saint Clair?
Average temperature in December
Saint Clair, 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
Saint Clair, 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
Saint Clair, 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
Saint Clair, 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
Saint Clair, 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
Saint Clair, 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
Saint Clair, 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
Saint Clair, 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
Saint Clair, 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
Saint Clair, 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
Saint Clair, 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
Saint Clair, 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
Saint Clair, 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).
