December weather forecastNarrikup, Australia
December
Weather in December
The first month of the summer, December, is still a pleasant month in Narrikup, Australia, with an average temperature fluctuating between 21.6°C (70.9°F) and 14.4°C (57.9°F).Temperature
Narrikup, Australia, observes an average high-temperature of a still agreeable 21.6°C (70.9°F) in December, barely different from 20°C (68°F) in November. Throughout December, Narrikup witnesses a nighttime temperature average of 14.4°C (57.9°F).Humidity
In December, the average relative humidity in Narrikup is 72%.Rainfall
In Narrikup, in December, during 11.1 rainfall days, 22mm (0.87") of precipitation is typically accumulated. Throughout the year, in Narrikup, there are 166.1 rainfall days, and 401mm (15.79") of precipitation is accumulated.Daylight
With an average of 14h and 24min of daylight, December has the longest days of the year.On the first day of the month, sunrise is at 4:48 am and sunset at 7:07 pm. On the last day of December, in Narrikup, sunrise is at 4:58 am and sunset at 7:25 pm AWST.
Sunshine
In December, the average sunshine in Narrikup is 9.5h.UV index
The months with the highest UV index are January through April, November and December, with an average maximum UV index of 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: A maximum UV index of 5 in December translates into the following recommendations:
Guard yourself - Avoiding sunburn is suggested. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Narrikup, 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
Narrikup, 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
Narrikup, 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
Narrikup, 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
Narrikup, 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
Narrikup, 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
Narrikup, Australia
- Average daylight in December: 14h and 24min
The month with the longest days is December (Average daylight: 14h and 24min).
The month with the shortest days is June (Average daylight: 9h and 54min).
- Average sunshine in December: 9h and 30min
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
Narrikup, 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
Narrikup, 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
Narrikup, 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
Narrikup, 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).





