December weather forecastHarvey, Australia
December
Weather in December
The first month of the summer, December, is a moderately hot month in Harvey, Australia, with an average temperature varying between 24.7°C (76.5°F) and 15.6°C (60.1°F).Temperature
Harvey, Australia, marks the onset of December with an average high-temperature of a moderately hot 24.7°C (76.5°F), a subtle shift from November's 22.3°C (72.1°F). December nights in Harvey experience a consistent temperature drop to a mild 15.6°C (60.1°F).Humidity
In Harvey, the average relative humidity in December is 65%.Rainfall
In December, the rain falls for 5.7 days. Throughout December, 13mm (0.51") of precipitation is accumulated. In Harvey, during the entire year, the rain falls for 130.6 days and collects up to 479mm (18.86") of precipitation.Daylight
With an average of 14h and 18min of daylight, December has the longest days of the year.On the first day of December, sunrise is at 5:00 am and sunset at 7:10 pm. On the last day of the month, sunrise is at 5:10 am and sunset at 7:28 pm AWST.
Sunshine
In Harvey, the average sunshine in December is 11.2h.UV index
February and December, with an average maximum UV index of 6, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: In December, the average maximum UV index of 6 translates into the following recommendations:
Ward off overexposure. Defence against solar harm is crucial. Stay in the shade and limit direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is particularly strong. Remember, however, that shade structures may not provide complete protection. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Harvey, Australia
- Average high temperature in December: 24.7°C
The warmest month (with the highest average high temperature) is February (27°C).
The month with the lowest average high temperature is July (16.2°C).
- Average low temperature in December: 15.6°C
The month with the highest average low temperature is February (17.6°C).
The coldest months (with the lowest average low temperature) are August and September (10.8°C).
Average pressure in December
Harvey, Australia
- Average pressure in December: 1013.9mbar
The month with the highest atmospheric pressure is July (1019.8mbar).
The month with the lowest atmospheric pressure is January (1012.9mbar).
Average wind speed in December
Harvey, Australia
- Average wind speed in December: 17.5km/h
The windiest month (with the highest average wind speed) is January (17.6km/h).
The calmest month (with the lowest average wind speed) is April (14.6km/h).
Average humidity in December
Harvey, Australia
- Average humidity in December: 65%
The months with the highest relative humidity are July and August (77%).
The month with the lowest relative humidity is January (63%).
Average rainfall in December
Harvey, Australia
- Average rainfall in December: 13mm
The wettest month (with the highest rainfall) is July (90mm).
The driest month (with the least rainfall) is January (11mm).
Average rainfall days in December
Harvey, Australia
- Average rainfall days in December: 5.7 days
The month with the highest number of rainy days is July (18.7 days).
The month with the least rainy days is February (4.2 days).
Average daylight in December /
Average sunshine in December
Harvey, Australia
- Average daylight in December: 14h and 18min
The month with the longest days is December (Average daylight: 14h and 18min).
The month with the shortest days is June (Average daylight: 10h and 0min).
- Average sunshine in December: 11h and 12min
The month with the most sunshine is January (Average sunshine: 11h and 24min).
The months with the least sunshine are July and August (Average sunshine: 5h and 36min).
Average sunshine days in December
Harvey, Australia
- Average sunshine days in December: 22.8 days
The month with the most sunshine days is January (24.4 days).
The month with the least sunshine days is August (8.8 days).
Average UV index in December
Harvey, Australia
- Average UV index in December: 6
The months with the highest UV index are February and December (UV index 6).
The months with the lowest UV index are May, June, July, August and September (UV index 4).
Average cloud cover in December
Harvey, Australia
- Average cloud cover in December: 18
The month with the most cloud cover is July (Cloud cover 42).
The month with the least cloud cover is January (Cloud cover 15).
Average visibility in December
Harvey, 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).
