Bacchus Marsh in December
Planning a trip to Bacchus Marsh in December? Here's the honest weather briefing for what summer looks like on the ground.
The average daily maximum is 27.0 degrees with overnight lows of 13.4 degrees. That's solidly pleasant territory. Great for being outdoors.
December is 7.1 degrees warmer than the yearly average here.
You're looking at 41mm of rain across 9 days in a typical December. Light enough that it won't ruin your plans.
Sunshine-wise, December delivers around 26.7 MJ/m2 of daily solar radiation. UV sits in the extreme category. Sunscreen, hat, and sunnies are all essential. You can burn in under 10 minutes.
December earns a 8.7/10 on our Comfort Score. This is prime time.
For your suitcase: t-shirts with a light layer for evenings, something warmer for mornings and evenings, and serious sun protection.
The full data breakdown is below. You can also see how other Australian cities compare in December.
December at a Glance
Temperature Range
Daily temperature range in December. The bar shows the typical spread between overnight lows and afternoon highs.
What to Pack
- Comfortable casual wear suitable for warm days
- A light rain jacket just in case
- Strong sun protection including a hat and SPF 50+
Coming From Overseas?
How December in Bacchus Marsh stacks up against major cities around the world.
About 19 degrees warmer and considerably drier.
About 21 degrees warmer and considerably drier.
About 15 degrees warmer and considerably drier.
How December Compares
Bacchus Marsh's monthly climate at a glance. December is highlighted.
| Month | Max | Min | Rain | Comfort |
|---|---|---|---|---|
| Jan | 24.7 | 14.2 | 106mm | 9.9 |
| Feb | 26.8 | 14.1 | 7mm | 9.3 |
| Mar | 25.2 | 13.1 | 12mm | 9.9 |
| Apr | 17.8 | 9.6 | 70mm | 5.0 |
| May | 16.1 | 7.9 | 42mm | 3.4 |
| Jun | 12.6 | 6.0 | 39mm | 1.0 |
| Jul | 12.1 | 6.3 | 85mm | 1.0 |
| Aug | 16.6 | 8.5 | 34mm | 4.5 |
| Sep | 16.4 | 8.3 | 72mm | 4.3 |
| Oct | 19.7 | 9.5 | 64mm | 7.4 |
| Nov | 23.9 | 11.9 | 83mm | 10.0 |
| Dec | 27.0 | 13.4 | 41mm | 8.7 |