December weather forecast
Merimbula, Australia

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Weather in December

December, the first month of the summer in Merimbula, is still a pleasant month, with an average temperature varying between 22.5°C (72.5°F) and 14.7°C (58.5°F).

Temperature

December's advent denotes a minor fluctuation in the average high-temperature to a still pleasant 22.5°C (72.5°F) from November's 20.9°C (69.6°F). Nighttime temperatures consistently average a refreshing 14.7°C (58.5°F) during December.

Humidity

The average relative humidity in December in Merimbula, Australia, is 75%.

Rainfall

In Merimbula, during December, the rain falls for 12.3 days and regularly aggregates up to 41mm (1.61") of precipitation. In Merimbula, during the entire year, the rain falls for 127.9 days and collects up to 407mm (16.02") of precipitation.

Sea temperature

In December, the average sea temperature is 19.9°C (67.8°F).
Note: The majority of individuals find it unpleasurable to swim in 19.9°C (67.8°F). It becomes progressively harder to manage one's breathing as the water temperature falls below 21°C (69.8°F).

Daylight

The month with the longest days is December, with an average of 14h and 36min of daylight.
On the first day of December, sunrise is at 5:34 am and sunset at 8:04 pm. On the last day of the month, sunrise is at 5:43 am and sunset at 8:22 pm AEDT.

Sunshine

The month with the most sunshine in Merimbula is December, with an average of 10.1h of sunshine.

UV index

In December, the average daily maximum UV index in Merimbula is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the average person.
Note: The UV index of 5 in December translates into these instructions:
Adopt protective measures - It is advised to guard against sun damage. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
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Frequently asked questions

What is the usual temperature for Merimbula in December?

In Merimbula, in December, the average high-temperature is 22.5°C (72.5°F), and the average low-temperature is 14.7°C (58.5°F).

What is the average humidity in December in Merimbula?

The average relative humidity in December in Merimbula, Australia, is 75%.

How many days does it rain in December in Merimbula?

In December, the rain falls for 12.3 days. Throughout December, 41mm (1.61") of precipitation is accumulated.

What is the sea water temperature in December in Merimbula?

In December, the average sea temperature in Merimbula is 19.9°C (67.8°F). For swimming, a surface water temperature of 19.9°C (67.8°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 Merimbula?

The month with the longest days is December, with an average of 14h and 36min of daylight.

What is the average length of the day in December in Merimbula?

In Merimbula, the average day length in December is 14h and 38min.

What time are sunrise and sunset in December in Merimbula?

On the first day of December in Merimbula, sunrise is at 5:34 am and sunset at 8:04 pm. On the last day of the month, sunrise is at 5:43 am and sunset at 8:22 pm AEDT.

What month has the most sunshine in Merimbula?

December has the most sunshine of the year in Merimbula, with an average of 10.1h of sunshine.

How many hours of sunshine does Merimbula have in December?

In Merimbula, Australia, the average sunshine duration in December is 10.1h.

What is the UV index reading in December in Merimbula?

In Merimbula, Australia, the average daily maximum UV index in December is 5. A UV Index of 3 to 5 symbolizes a medium health risk from unsafe exposure to Sun's UV rays.

Average temperature in December
Merimbula, Australia

Average temperature in December - Merimbula, Australia
  • Average high temperature in December: 22.5°C

The warmest month (with the highest average high temperature) is January (24.3°C).
The month with the lowest average high temperature is July (14.5°C).

  • Average low temperature in December: 14.7°C

The month with the highest average low temperature is February (16.9°C).
The coldest month (with the lowest average low temperature) is July (8°C).

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Average pressure in December
Merimbula, Australia

Average pressure in December - Merimbula, Australia
  • Average pressure in December: 1013.1mbar

The month with the highest atmospheric pressure is June (1020.6mbar).
The month with the lowest atmospheric pressure is January (1012.8mbar).

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Average wind speed in December
Merimbula, Australia

Average wind speed in December - Merimbula, Australia
  • Average wind speed in December: 13km/h

The windiest months (with the highest average wind speed) are January and September (13.8km/h).
The calmest month (with the lowest average wind speed) is April (12.4km/h).

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Average humidity in December
Merimbula, Australia

Average humidity in December - Merimbula, Australia
  • Average humidity in December: 75%

The month with the highest relative humidity is February (77%).
The month with the lowest relative humidity is August (69%).

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Average rainfall in December
Merimbula, Australia

Average rainfall in December - Merimbula, Australia
  • Average rainfall in December: 41mm

The wettest month (with the highest rainfall) is February (48mm).
The driest month (with the least rainfall) is September (19mm).

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Average rainfall days in December
Merimbula, Australia

Average rainfall days in December - Merimbula, Australia
  • Average rainfall days in December: 12.3 days

The month with the highest number of rainy days is March (13.7 days).
The month with the least rainy days is July (6.6 days).

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Average sea temperature in December
Merimbula, Australia

Average sea temperature in December - Merimbula, Australia
  • Average sea temperature in December: 19.9°C

The best month for swimming (with the highest average sea temperature) is February (22.2°C).
The coldest month (with the lowest average sea temperature) is August (16.4°C).

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

Average daylight in December / Average sunshine in December - Merimbula, Australia
  • Average daylight in December: 14h and 4min

The month with the longest days is December (Average daylight: 14h and 36min).
The month with the shortest days is June (Average daylight: 9h and 42min).

  • Average sunshine in December: 10h and 1min

The month with the most sunshine is December (Average sunshine: 10h and 6min).
The month with the least sunshine is June (Average sunshine: 6h and 30min).

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Average sunshine days in December
Merimbula, Australia

Average sunshine days in December - Merimbula, Australia
  • Average sunshine days in December: 14.3 days

The month with the most sunshine days is July (23.4 days).
The month with the least sunshine days is February (11.3 days).

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Average UV index in December
Merimbula, Australia

Average UV index in December - Merimbula, Australia
  • Average UV index in December: 5

The month with the highest UV index is January (UV index 6).
The months with the lowest UV index are April, May, June, July, August and September (UV index 4).

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Average cloud cover in December
Merimbula, Australia

Average cloud cover in December - Merimbula, Australia
  • Average cloud cover in December: 35

The month with the most cloud cover is February (Cloud cover 40).
The months with the least cloud cover are May and July (Cloud cover 26).

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Average visibility in December
Merimbula, Australia

Average visibility in December - Merimbula, Australia
  • Average visibility in December: 10km

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October and December (10km).
The month with the lowest visibility is November (9km).

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Merimbula, Australia

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