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 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 advent of December reveals an average high-temperature of a still pleasant 21.6°C (70.9°F), showing minimal difference from the prior month. Nornalup, during the nights of December, experiences an average temperature drop to a mild 14.4°C (57.9°F).Humidity
In Nornalup, the average relative humidity in December is 72%.Rainfall
In Nornalup, during December, the rain falls for 11.1 days and regularly aggregates up to 22mm (0.87") of precipitation. In Nornalup, during the entire year, the rain falls for 166.1 days and collects up to 401mm (15.79") of precipitation.Daylight
The month with the longest days is December, with an average of 14h and 30min of daylight.On the first day of December, sunrise is at 4:51 am and sunset at 7:11 pm. On the last day of the month, sunrise is at 5:01 am and sunset at 7:29 pm AWST.
Sunshine
The average sunshine in December is 9.5h.UV index
January through April, November and December, with an average maximum UV index of 5, are months with the highest UV index. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the ordinary person.Note: An average maximum UV index of 5 in December leads to these recommendations:
Take precautions - Protection against skin and eye damage is obliged. It's recommended to limit sun exposure when its radiation is at its peak during midday. 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 average December temperature in Nornalup?
What is the average humidity in December in Nornalup?
How much does it rain in Nornalup in December?
When are the longest days in Nornalup?
What is the average length of the day in December in Nornalup?
What time are sunrise and sunset in December in Nornalup?
How many hours of sunshine does Nornalup have in December?
What is the month with the highest UV index in Nornalup?
What is the UV index intensity in December in Nornalup?
Average temperature in December
Nornalup, Australia
- Average high temperature in December: 21.6°C
The warmest month (with the highest average high temperature) is February (23.2°C).
The month with the lowest average high temperature is July (15.3°C).
- Average low temperature in December: 14.4°C
The month with the highest average low temperature is February (16.5°C).
The coldest month (with the lowest average low temperature) is August (9.6°C).
Average pressure in December
Nornalup, Australia
- Average pressure in December: 1015mbar
The month with the highest atmospheric pressure is May (1019.5mbar).
The month with the lowest atmospheric pressure is January (1014.3mbar).
Average wind speed in December
Nornalup, Australia
- Average wind speed in December: 15.3km/h
The windiest month (with the highest average wind speed) is September (17.7km/h).
The calmest month (with the lowest average wind speed) is April (14.2km/h).
Average humidity in December
Nornalup, Australia
- Average humidity in December: 72%
The month with the highest relative humidity is August (78%).
The month with the lowest relative humidity is January (71%).
Average rainfall in December
Nornalup, Australia
- Average rainfall in December: 22mm
The wettest month (with the highest rainfall) is August (65mm).
The driest month (with the least rainfall) is February (17mm).
Average rainfall days in December
Nornalup, Australia
- Average rainfall days in December: 11.1 days
The months with the highest number of rainy days are July and August (17.8 days).
The month with the least rainy days is January (9.5 days).
Average daylight in December /
Average sunshine in December
Nornalup, Australia
- Average daylight in December: 14h and 3min
The month with the longest days is December (Average daylight: 14h and 30min).
The month with the shortest days is June (Average daylight: 9h and 48min).
- Average sunshine in December: 9h and 3min
The month with the most sunshine is January (Average sunshine: 9h and 42min).
The month with the least sunshine is August (Average sunshine: 5h and 0min).
Average sunshine days in December
Nornalup, Australia
- Average sunshine days in December: 16.3 days
The month with the most sunshine days is January (17.5 days).
The month with the least sunshine days is August (9.5 days).
Average UV index in December
Nornalup, Australia
- Average UV index in December: 5
The months with the highest UV index are January, February, March, April, November and December (UV index 5).
The months with the lowest UV index are May, June, July, August, September and October (UV index 4).
Average cloud cover in December
Nornalup, Australia
- Average cloud cover in December: 37
The month with the most cloud cover is July (Cloud cover 47).
The month with the least cloud cover is January (Cloud cover 35).
Average visibility in December
Nornalup, Australia
- Average visibility in December: 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).
