Campbelltown Weather and Climate
Climate Snapshot
Campbelltown's warmest month in 2024 was December, averaging 29.4 degrees. That gives Campbelltown an annual average daytime high of 22.8 degrees, 0.5 degrees warmer than the New South Wales mean.
Daytime highs peak at 29.4 degrees in December and bottom out with overnight lows of 6.9 degrees in June. That is a 22.5 degree spread from hottest afternoon to coldest night. Overnight minimums average 12.8 degrees across the year, 0.3 degrees warmer than the New South Wales average of 12.5.
Annual rainfall totals 915mm across 120 rain days, close to the New South Wales average. The wettest month is April at 154mm, and December is the driest at 27mm.
There is a pronounced wet-dry split here. April receives 154mm while December gets just 27mm, so the contrast between seasons is stark.
By our reckoning, October (10.0/10) is when the weather is at its finest, while June (2.6/10) is the toughest month to be outdoors.
Scroll down for the full month-by-month breakdown, or jump straight to October if you're picking the best time to visit Campbelltown.
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: 6.9/10 - Ranked #63 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 | 28.2 | 18.1 | 216 | 7.2 |
| Autumn | 22.5 | 13.1 | 340 | 7.1 |
| Winter | 16.8 | 7.8 | 173 | 4.4 |
| Spring | 23.8 | 12.3 | 187 | 9.0 |
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 Campbelltown.
27.6°C, 90mm rain February
27.7°C, 99mm rain March
26.5°C, 37mm rain April
22.5°C, 154mm rain May
18.6°C, 148mm rain June
15.3°C, 114mm rain July
15.5°C, 28mm rain August
19.5°C, 30mm rain September
22.0°C, 36mm rain October
23.1°C, 32mm rain November
26.4°C, 120mm rain December
29.4°C, 27mm rain
Compare and Explore
Similar Climates
If you like Campbelltown's climate, you might also consider:
South Australia - Comfort 6.9/10 Townsville
Queensland - Comfort 6.9/10 Rockhampton
Queensland - Comfort 6.9/10 Murray Bridge
South Australia - Comfort 7.0/10