Historical Weather for Sydney, Australia

Showing historical weather data for 1 Dec to 31 Dec over the last 5 years (2025-2025).

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Sydney, New South Wales, Australia (01-12 → 31-12)

Years 2025–2025 · Source: Meteostat

Weather Summary

Automated rules using observed Meteostat data (no AI calls).

Average temperature

22.0°C

Above long-term avg by 0.0°C

Total rainfall

67.9 mm

Across the selected period

Notable conditions

Heatwave days: 2
Frost days: 0
Heavy rain days: 1

Daily temperature vs long-term average

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Recent period Long-term average

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Anomaly vs normal

0.0°C

Warmer than the multi-year average

Record extremes

Record high: 39.0°C · 19 Dec 2025

Record low: 13.2°C · 27 Dec 2025

Precip & wind peaks

Rain: 27.2 mm · 12 Dec 2025

Wind: 19.4 kts · 14 Dec 2025

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Average temperature

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01 Dec→01 Dec

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Time Travel Insight

Typical weather for 2025.

Temperatures were consistent with the long-term average.

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Recommended

Season-ready gear & services

Ambient weather station

Home weather

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Davis Vantage Vue

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Pro-grade sensors for serious weather nerds and small farms.

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Travel insurance

Travel

Cover trips when weather shifts your plans. Compare plans and buy online.

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Rain shell & winter kit

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Packable rain jackets, gloves, and heated socks for cold snaps.

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Soil & irrigation sensors

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Automate watering and protect plants from frost with moisture + temp alerts.

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Smart thermostat

Home energy

Trim heating and cooling costs when temps swing outside the norm.

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2025

31 days

01 Dec → 31 Dec

Temperature

High: 17.1°C → 39.0°C

Low: 13.2°C → 23.8°C

Precipitation

Rain: 67.9 mm

Snow: 0.0 cm

Wind

11.3 kts avg · 19.4 kts peak

Accessible data table

Daily values for the first series (showing up to 30 rows)

Day	High (°C)	Low (°C)	Rain (mm)	Wind (kts)
01 Dec	24.4°C	14.4°C	0.2 mm	13.3 kts
02 Dec	20.2°C	13.4°C	0.2 mm	11.9 kts
03 Dec	26.1°C	13.5°C	0.0 mm	10.4 kts
04 Dec	29.8°C	15.2°C	0.0 mm	11.2 kts
05 Dec	36.2°C	17.9°C	0.0 mm	10.8 kts
06 Dec	38.8°C	23.8°C	0.0 mm	15.1 kts
07 Dec	30.2°C	18.3°C	0.4 mm	13.9 kts
08 Dec	26.1°C	18.5°C	0.6 mm	12.3 kts
09 Dec	31.4°C	17.8°C	0.1 mm	12.1 kts
10 Dec	24.5°C	19.0°C	4.0 mm	10.2 kts
11 Dec	22.0°C	19.0°C	3.8 mm	12.7 kts
12 Dec	20.5°C	17.9°C	27.2 mm	8.1 kts
13 Dec	24.2°C	16.0°C	3.0 mm	8.8 kts
14 Dec	29.0°C	18.4°C	9.7 mm	19.4 kts
15 Dec	21.6°C	18.4°C	1.8 mm	11.5 kts
16 Dec	21.5°C	17.9°C	0.5 mm	6.3 kts
17 Dec	23.6°C	17.5°C	0.0 mm	12.0 kts
18 Dec	29.1°C	18.2°C	0.0 mm	12.1 kts
19 Dec	39.0°C	21.1°C	0.2 mm	7.5 kts
20 Dec	30.5°C	22.3°C	7.9 mm	9.2 kts
21 Dec	34.8°C	21.8°C	0.8 mm	9.2 kts
22 Dec	28.8°C	21.5°C	1.3 mm	11.8 kts
23 Dec	32.5°C	19.6°C	0.0 mm	15.6 kts
24 Dec	30.0°C	17.7°C	0.0 mm	13.0 kts
25 Dec	21.6°C	16.5°C	1.8 mm	12.7 kts
26 Dec	17.1°C	15.0°C	2.7 mm	12.9 kts
27 Dec	20.4°C	13.2°C	0.5 mm	9.1 kts
28 Dec	20.8°C	15.6°C	0.8 mm	12.6 kts
29 Dec	22.0°C	14.2°C	0.0 mm	8.0 kts
30 Dec	22.7°C	13.8°C	0.0 mm	7.9 kts

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