Muswellbrook Weather and Climate
Climate Snapshot
Muswellbrook's warmest month in 2024 was December, averaging 31.4 degrees. That gives Muswellbrook an annual average daytime high of 23.8 degrees, 1.5 degrees warmer than the New South Wales mean.
Daytime highs peak at 31.4 degrees in December and bottom out with overnight lows of 6.3 degrees in June. That is a 25.1 degree spread from hottest afternoon to coldest night. Overnight minimums average 13.0 degrees across the year, 0.5 degrees warmer than the New South Wales average of 12.5.
Annual rainfall totals 795mm across 94 rain days, close to the New South Wales average. The wettest month is June at 130mm, and December is the driest at 27mm.
Rain is spread unevenly but not dramatically so. Expect some drier patches and some wetter ones through the year.
By our reckoning, October (10.0/10) is when the weather is at its finest, while June (3.1/10) is the toughest month to be outdoors.
The full data table below breaks it all down month by month. If you're in a hurry, October is your best bet.
Monthly Comfort Score
Our Comfort Score rates each month from 1 (tough) to 10 (ideal) based on temperature, humidity, rainfall, UV, and sunshine. How we calculate it
Annual Comfort Score: 6.7/10 - Ranked #82 of 213 Australian cities (national avg 6.2, NSW avg 6.4)
Seasonal Overview
| Season | Avg Max °C | Avg Min °C | Total Rain mm | Comfort |
|---|---|---|---|---|
| Summer | 30.6 | 19.1 | 200 | 5.9 |
| Autumn | 23.2 | 13.0 | 194 | 7.6 |
| Winter | 16.9 | 7.4 | 214 | 4.5 |
| Spring | 24.6 | 12.6 | 188 | 8.8 |
Monthly Climate Averages
| Month | Max °C | Min °C | Rain mm | Rain Days | Solar MJ | Humidity % | Comfort |
|---|
Weather by Month
Detailed climate data, packing advice, and what to expect for each month in Muswellbrook.
30.7°C, 97mm rain February
29.6°C, 75mm rain March
27.5°C, 30mm rain April
23.0°C, 111mm rain May
19.0°C, 53mm rain June
15.8°C, 130mm rain July
15.3°C, 40mm rain August
19.5°C, 43mm rain September
21.8°C, 61mm rain October
23.8°C, 49mm rain November
28.3°C, 78mm rain December
31.4°C, 27mm rain
Compare and Explore
Similar Climates
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