Merimbula Weather in December
December in Merimbula brings high temperatures, with daytime highs of 22°C (72°F) and nights around 15°C (59°F). Quite a bit of rainfall is expected, around 89 mm (3.5 in), so pack an umbrella.
Rainfall in Merimbula in December
This month experiences about 11 days of rain according to historical data, averaging 89 mm (3.5 in). Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.
Temperature in Merimbula in December
Weather in Merimbula is at its excellent in December. Highs reach 22°C (72°F), while nights settle around 15°C (59°F). Overall, the month follows a fairly predictable daily temperature pattern. With overnight lows of 15°C (59°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.If you're a fan of comfortable temperatures and drier conditions, December is a great time to visit.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Australia, check out our Merimbula's climate page.
Merimbula Temperature in December
Min Temperature
15°C (59°F)
Max Temperature
22°C (72°F)
Chance of Rain
38%
Precipitation
89 mm (3.5 in)
Rainy days
11 days
Humidity
67%
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Merimbula typically stay consistent throughout December, with daily highs averaging around 22°C (72°F). Nights are pleasant, with lows typically ranging from 13°C (55°F) to 15°C (59°F).
Average temperatures in December
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in December
Historical weather for Merimbula in December
Browse day-by-day weather records for Merimbula spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Merimbula historical weather extremes in December
Based on 49 years of weather observations in Merimbula between 1976 and 2025, these are the recorded extremes.
- The hottest December day on record in Merimbula reached 34°C (93°F) (December 19, 2015).
- The lowest daytime temperature in December was 14°C (57°F), recorded on December 3, 1987.
- The coldest night in December in Merimbula was on December 1, 1991, with a minimum of 3°C (37°F).
Best Places in Australia in December
Find out more about the weather in Australia and which places have the best travel conditions in this month. See all of Australia in December →
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What to Wear in Merimbula in December
For Merimbula in December, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. High rain levels are expected, so pack waterproof gear and an umbrella or poncho.What To Do in Merimbula in December
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Australia, check out our Merimbula's climate page.
See the full Merimbula climate overview or explore weather in Australia.
