December weather forecastTammin, Australia
December
Weather in December
December, the first month of the summer in Tammin, is a tropical month, with an average temperature ranging between min 17.9°C (64.2°F) and max 31.2°C (88.2°F).Temperature
Tammin's shift into December is marked by a subtle change to a tropical 31.2°C (88.2°F) from November's 28.5°C (83.3°F) in temperature. Tammin in December observes a sharp transition from the daytime heat, falling to an average low of 17.9°C (64.2°F).Humidity
The least humid month is December, with an average relative humidity of 38%.Rainfall
In Tammin, in December, during 4.8 rainfall days, 12mm (0.47") of precipitation is typically accumulated. In Tammin, during the entire year, the rain falls for 85.5 days and collects up to 202mm (7.95") of precipitation.Daylight
The month with the longest days is December, with an average of 14h and 12min of daylight.On the first day of December in Tammin, sunrise is at 4:57 am and sunset at 7:00 pm. On the last day of the month, sunrise is at 5:07 am and sunset at 7:18 pm AWST.
Sunshine
In December, the average sunshine in Tammin is 11.5h.UV index
The month with the highest UV index in Tammin is December, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for the average person.Note: A maximum high daily UV index of 7 during December translates into the following directions:
Take precautions and utilize sun safety practices. Protection against skin and eye damage is required. During the period from 10 a.m. to 4 p.m., UV radiation is highest. Try to avoid direct sunlight during these hours. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Tammin, Australia
- Average high temperature in December: 31.2°C
The warmest month (with the highest average high temperature) is January (33.5°C).
The month with the lowest average high temperature is July (15.6°C).
- Average low temperature in December: 17.9°C
The month with the highest average low temperature is February (20.1°C).
The coldest month (with the lowest average low temperature) is August (7.3°C).
Average pressure in December
Tammin, Australia
- Average pressure in December: 1011.8mbar
The months with the highest atmospheric pressure are June and July (1021.2mbar).
The month with the lowest atmospheric pressure is January (1010.9mbar).
Average wind speed in December
Tammin, Australia
- Average wind speed in December: 16.5km/h
The windiest months (with the highest average wind speed) are January and February (17.4km/h).
The calmest month (with the lowest average wind speed) is May (13.9km/h).
Average humidity in December
Tammin, Australia
- Average humidity in December: 38%
The month with the highest relative humidity is August (75%).
The month with the lowest relative humidity is December (38%).
Average rainfall in December
Tammin, Australia
- Average rainfall in December: 12mm
The wettest month (with the highest rainfall) is July (27mm).
The driest month (with the least rainfall) is April (10mm).
Average rainfall days in December
Tammin, Australia
- Average rainfall days in December: 4.8 days
The month with the highest number of rainy days is August (10.8 days).
The month with the least rainy days is December (4.8 days).
Average daylight in December /
Average sunshine in December
Tammin, Australia
- Average daylight in December: 14h and 12min
The month with the longest days is December (Average daylight: 14h and 12min).
The month with the shortest days is June (Average daylight: 10h and 6min).
- Average sunshine in December: 11h and 30min
The month with the most sunshine is January (Average sunshine: 11h and 36min).
The month with the least sunshine is August (Average sunshine: 5h and 48min).
Average sunshine days in December
Tammin, Australia
- Average sunshine days in December: 24.8 days
The month with the most sunshine days is December (24.8 days).
The month with the least sunshine days is July (17.3 days).
Average UV index in December
Tammin, Australia
- Average UV index in December: 7
The month with the highest UV index is December (UV index 7).
The month with the lowest UV index is July (UV index 3).
Average cloud cover in December
Tammin, Australia
- Average cloud cover in December: 15
The month with the most cloud cover is July (Cloud cover 34).
The month with the least cloud cover is January (Cloud cover 14).
Average visibility in December
Tammin, Australia
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, April, May, June, October, November and December (10km).
The months with the lowest visibility are July, August and September (9km).





