December weather forecast
Claremont, Australia

December

Weather in December

The first month of the summer, December, is still a warm month in Claremont, Australia, with temperature in the range of an average low of 17.9°C (64.2°F) and an average high of 25.7°C (78.3°F).

Temperature

Claremont records an average high-temperature of a still moderately hot 25.7°C (78.3°F) as December arrives, nearly mirroring the previous month's climate. Claremont, in December, observes a steady average low-temperature of 17.9°C (64.2°F).

Humidity

The months with the lowest humidity in Claremont are January, February and December, with an average relative humidity of 59%.

Rainfall

In Claremont, during December, the rain falls for 5.2 days and regularly aggregates up to 12mm (0.47") of precipitation. In Claremont, during the entire year, the rain falls for 114 days and collects up to 404mm (15.91") of precipitation.

Sea temperature

In Claremont, in December, the average water temperature is 20.9°C (69.6°F).
Note: Swimming in water that is 20.9°C (69.6°F) is not enjoyable for most. Breathing becomes more challenging to manage as the water temperature dips from 21°C (69.8°F) to 15°C (59°F).

Daylight

December has the longest days of the year in Claremont, with an average of 14h and 12min of daylight.
On the first day of December in Claremont, sunrise is at 5:03 am and sunset at 7:08 pm. On the last day of the month, sunrise is at 5:13 am and sunset at 7:26 pm AWST.

Sunshine

January and December, with an average of 11.6h of sunshine, are months with the most sunshine.

UV index

January through March 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 risk from exposure to the Sun's UV radiation for the ordinary person.
Note: A daily high UV index of 6 in December leads to these guidelines:
Employ safeguards and advocate sun safety protocols. Shielding against skin and eye damage is crucial. Avoid direct sunlight between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Keep in mind that shade structures may not provide complete protection. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.

Frequently asked questions

What is the average December temperature in Claremont?
In Claremont, 25.7°C (78.3°F) is the average high-temperature and 17.9°C (64.2°F) is the average low-temperature during December. In February, the average heat index (a.k.a. 'feels like', 'real feel'), which calculates the temperature value influenced by the moisture in the air, is computed to be 29°C (84.2°F).
What is the least humid month in Claremont?
The months with the lowest humidity are January, February and December, with an average relative humidity of 59%.
What is the average humidity in December in Claremont?
In December, the average relative humidity in Claremont is 59%.
How many days does it rain in December in Claremont?
In Claremont, Australia, in December, it is raining for 5.2 days, with typically 12mm (0.47") of accumulated precipitation.
What is the sea water temperature in December in Claremont?
In Claremont, Australia, in December, the average water temperature is 20.9°C (69.6°F). For swimming, a surface water temperature of 20.9°C (69.6°F) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 21°C (69.8°F).
When are the longest days in Claremont?
With an average of 14h and 12min of daylight, December has the longest days of the year in Claremont.
What is the average length of the day in December in Claremont?
The average day length in December in Claremont, Australia, is 14h and 12min.
What time are sunrise and sunset in December in Claremont?
On the first day of December in Claremont, Australia, sunrise is at 5:03 am and sunset at 7:08 pm. On the last day of the month, sunrise is at 5:13 am and sunset at 7:26 pm AWST.
What is the month with the most sunshine in Claremont?
January and December, with an average of 11.6h of sunshine, are months with the most sunshine.
How long on average sun shines in December in Claremont?
The average sunshine duration in December in Claremont, Australia, is 11.6h.
What are the months with the highest UV index in Claremont?
The months with the highest UV index are January through March and December, with an average maximum UV index of 6.
What is the UV index reading in December in Claremont?
The average daily maximum UV index in December in Claremont is 6. A UV Index value of 6 to 7 symbolizes a high hazard to health from unsafe exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average sea temperature
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in December
Claremont, Australia
  • Average high temperature in December: 25.7°C

The warmest month (with the highest average high temperature) is February (27.7°C).
The month with the lowest average high temperature is July (17.2°C).

  • Average low temperature in December: 17.9°C

The month with the highest average low temperature is February (19.8°C).
The coldest months (with the lowest average low temperature) are July and August (12.2°C).

Average pressure in December
Claremont, Australia
  • Average pressure in December: 1012.6mbar

The month with the highest atmospheric pressure is July (1020.5mbar).
The month with the lowest atmospheric pressure is January (1011.5mbar).

Average wind speed in December
Claremont, Australia
  • Average wind speed in December: 19.4km/h

The windiest month (with the highest average wind speed) is January (19.7km/h).
The calmest month (with the lowest average wind speed) is April (16.2km/h).

Average humidity in December
Claremont, Australia
  • Average humidity in December: 59%

The month with the highest relative humidity is August (72%).
The months with the lowest relative humidity are January, February and December (59%).

Average rainfall in December
Claremont, Australia
  • Average rainfall in December: 12mm

The wettest month (with the highest rainfall) is June (75mm).
The driest month (with the least rainfall) is March (11mm).

Average rainfall days in December
Claremont, Australia
  • Average rainfall days in December: 5.2 days

The month with the highest number of rainy days is July (16.5 days).
The month with the least rainy days is February (4.3 days).

Average sea temperature in December
Claremont, Australia
  • Average sea temperature in December: 20.9°C

The best month for swimming (with the highest average sea temperature) is March (23.4°C).
The coldest months (with the lowest average sea temperature) are September and October (19°C).

Average daylight in December /
Average sunshine in December
Claremont, Australia
  • Average daylight in December: 14h and 1min

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 4min

The months with the most sunshine are January and December (Average sunshine: 11h and 36min).
The month with the least sunshine is August (Average sunshine: 5h and 42min).

Average sunshine days in December
Claremont, Australia
  • Average sunshine days in December: 24.2 days

The month with the most sunshine days is December (24.2 days).
The month with the least sunshine days is July (12.8 days).

Average UV index in December
Claremont, Australia
  • Average UV index in December: 6

The months with the highest UV index are January, February, March and December (UV index 6).
The months with the lowest UV index are June, July and August (UV index 4).

Average cloud cover in December
Claremont, Australia
  • Average cloud cover in December: 14

The month with the most cloud cover is July (Cloud cover 39).
The month with the least cloud cover is January (Cloud cover 13).

Average visibility in December
Claremont, 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).

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