December weather forecastCarnarvon, Australia

December

Weather in December

December, the first month of the summer in Carnarvon, is still a warm month, with an average temperature ranging between max 29°C (84.2°F) and min 22.7°C (72.9°F).

Temperature

The introduction of December notes a subtle temperature variation to a still moderately hot 29°C (84.2°F) from November's 26.8°C (80.2°F). Throughout December, the average low-temperature in Carnarvon dips to an agreeable 22.7°C (72.9°F).

Heat index

For December, the heat index is estimated at a tropical 32°C (89.6°F). If activity and exposure persist, they could induce fatigue, leading to possible heat cramps.
Heat index data is primarily for areas with shade and subjected to light winds. Heat index values may surge by up to 15 Fahrenheit (8 Celsius) degrees in the presence of direct sunlight.
Note: The heat index, also known as 'real feel' or 'feels like', is the result of factoring in humidity to the air temperature, indicating perceived warmth. Factors encompassing physical activity, clothing, and metabolic differences have a role in shaping the individual's impression of temperature. When exposed to direct sunlight, it's possible for the heat index to increase by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Kids frequently fail to realize the necessity for resting and hydrating. Thirst is an advanced indication of dehydration - hence, maintaining hydration, especially during extended physical activities, becomes essential.

Humidity

The months with the highest humidity in Carnarvon are November and December, with an average relative humidity of 64%.

Rainfall

In December, in Carnarvon, the rain falls for 3.3 days. Throughout December, 13mm (0.51") of precipitation is accumulated. In Carnarvon, during the entire year, the rain falls for 53.1 days and collects up to 149mm (5.87") of precipitation.

Sea temperature

In Carnarvon, in December, the average water temperature is 23.3°C (73.9°F).
Note: While a person's sensitivity to cold is personal, factors like sunshine, wind, and the temperature can influence their comfort in 23.3°C (73.9°F) waters. Olympians, for perspective, swim in waters between 25°C (77°F) and 28°C (82.4°F).

Daylight

The month with the longest days in Carnarvon is December, with an average of 13h and 42min of daylight.
On the first day of December in Carnarvon, sunrise is at 5:27 am and sunset at 7:01 pm. On the last day of the month, sunrise is at 5:38 am and sunset at 7:18 pm AWST.

Sunshine

With an average of 11.8h of sunshine, December has the most sunshine of the year in Carnarvon.

UV index

The months with the highest UV index are January through April and December, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for average individuals.
Note: The maximum daily UV index of 7 in December interprets into the following recommendations:
Persist with safeguards and heed sun safety doctrines. Keeping sunburn at bay is of prime importance. UV radiation from the sun is at its strongest between 10 a.m. and 4 p.m. Try to limit direct exposure during these hours. Always opt for UVA and UVB-resistant sunglasses on radiant days. Be vigilant! The Sun's UV rays get a boost from sand and water reflections.

Frequently asked questions

During December, Carnarvon experiences an average high-temperature of 29°C (84.2°F) and a low-temperature of 22.7°C (72.9°F). In December, the average heat index (a.k.a. 'real feel', 'feels like'), which factors the actual air temperature with the relative humidity, is estimated at 32°C (89.6°F).

November and December, with an average relative humidity of 64%, are most humid months in Carnarvon, Australia.

The average relative humidity in December is 64%.

In Carnarvon, Australia, during December, the rain falls for 3.3 days and regularly aggregates up to 13mm (0.51") of precipitation.

In December, the average sea temperature is 23.3°C (73.9°F). For individuals prone to feeling cold, swimming in 23°C (73.4°F) is still regarded as intolerable. A wetsuit is not a necessity, but sunshine, wind, and air temperature are essential factors for relishing swimming at 23.3°C (73.9°F).

December has the longest days of the year in Carnarvon, Australia, with an average of 13h and 42min of daylight.

In Carnarvon, the average day length in December is 13h and 39min.

On the first day of December, sunrise is at 5:27 am and sunset at 7:01 pm. On the last day of the month, sunrise is at 5:38 am and sunset at 7:18 pm AWST.

December has the most sunshine of the year in Carnarvon, Australia, with an average of 11.8h of sunshine.

In December, the average sunshine duration in Carnarvon, Australia, is 11.8h.

The months with the highest UV index in Carnarvon are January through April and December, with an average maximum UV index of 7.

The average daily maximum UV index in December is 7. A UV Index of 6 to 7 symbolizes a high health vulnerability from 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 sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Carnarvon, Australia

  • Average high temperature in December: 29°C

The warmest month (with the highest average high temperature) is February (31.3°C).
The month with the lowest average high temperature is July (22.3°C).

  • Average low temperature in December: 22.7°C

The month with the highest average low temperature is February (25.8°C).
The coldest month (with the lowest average low temperature) is July (17.2°C).

Average pressure in December
Carnarvon, Australia

  • Average pressure in December: 1008.5mbar

The month with the highest atmospheric pressure is July (1019.1mbar).
The month with the lowest atmospheric pressure is January (1006.6mbar).

Average wind speed in December
Carnarvon, Australia

  • Average wind speed in December: 28.1km/h

The windiest month (with the highest average wind speed) is December (28.1km/h).
The calmest month (with the lowest average wind speed) is June (20.5km/h).

Average humidity in December
Carnarvon, Australia

  • Average humidity in December: 64%

The months with the highest relative humidity are November and December (64%).
The month with the lowest relative humidity is May (52%).

Average rainfall in December
Carnarvon, Australia

  • Average rainfall in December: 13mm

The wettest month (with the highest rainfall) is June (30mm).
The driest month (with the least rainfall) is November (3mm).

Average rainfall days in December
Carnarvon, Australia

  • Average rainfall days in December: 3.3 days

The month with the highest number of rainy days is June (7.5 days).
The months with the least rainy days are October and November (2.7 days).

Average sea temperature in December
Carnarvon, Australia

  • Average sea temperature in December: 23.3°C

The best month for swimming (with the highest average sea temperature) is March (26.6°C).
The coldest month (with the lowest average sea temperature) is September (20.8°C).

Average daylight in December /
Average sunshine in December
Carnarvon, Australia

  • Average daylight in December: 13h and 42min

The month with the longest days is December (Average daylight: 13h and 42min).
The month with the shortest days is June (Average daylight: 10h and 36min).

  • Average sunshine in December: 11h and 48min

The month with the most sunshine is December (Average sunshine: 11h and 48min).
The month with the least sunshine is June (Average sunshine: 6h and 54min).

Average sunshine days in December
Carnarvon, Australia

  • Average sunshine days in December: 26.2 days

The month with the most sunshine days is October (26.7 days).
The month with the least sunshine days is June (20.8 days).

Average UV index in December
Carnarvon, Australia

  • Average UV index in December: 7

The months with the highest UV index are January, February, March, April and December (UV index 7).
The months with the lowest UV index are May, June, July, August, September, October and November (UV index 6).

Average cloud cover in December
Carnarvon, Australia

  • Average cloud cover in December: 11

The month with the most cloud cover is June (Cloud cover 20).
The month with the least cloud cover is September (Cloud cover 10).

Average visibility in December
Carnarvon, 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).