Australia

Temperature trends in Sydney

2 weather stations · coverage 1940–2025

+ 2.1°Cin 85 years

Sydney · oceania · population ~4.8MGoogle Maps · Terms

Primary weather station near Sydney with the most complete temperature record

SYDNEY AIRPORT AMO

Station record

Station id
ASN00066037
Source
NOAA
Record
1940–2025
Years
85
Warmest year
2016 (19.7°C)
Coldest year
1943 (16.6°C)
Trend since 1980
+0.36°C / decade

SYDNEY AIRPORT AMO

19402025 · Sydney, Australia

First 10 years (1940–1950): 17.22 °C · Last 10 years (2016–2025): 19.29 °C · Gap: +2.08 °C

Annual mean temperatures — NOAA source.

Climate trends at Sydney (1940–2025)

Sydney, Australia, has experienced significant warming over the past decades. The data from the Sydney Airport AMO station reveals a clear trend of increasing temperatures, with the average temperature rising from 17.22°C during the period of 1940–1950 to 19.29°C in the last decade from 2016 to 2025. This represents a remarkable increase of 2.08°C.

Over the years, the average temperature in Sydney has shown a consistent upward trajectory. The mean temperature for the period 1961–1990 was 17.66°C, which increased to 18.77°C from 1991 to 2020. The latest decade has seen a further rise, with a mean temperature of 19.25°C from 2015 to 2024. This warming trend is indicative of broader climate changes affecting the region.

Climate change impacts

The impacts of climate change in Sydney are becoming increasingly evident. The rising temperatures can lead to more frequent heatwaves and increased drought risk, affecting both the environment and the population. As the climate continues to warm, these challenges are likely to intensify, necessitating adaptive measures to mitigate the impacts.

Comparison vs national benchmark and Paris

When compared to the national benchmark, Sydney's mean annual temperature from 1991 to 2020 is slightly above the national average of 19.2°C. Additionally, the temperature in Sydney is significantly higher than that of Paris, with a difference of 6.17°C.

Top-5 warm years

  • 2016: 19.73°C
  • 2019: 19.71°C
  • 2025: 19.61°C
  • 2017: 19.56°C
  • 2013: 19.51°C

The record coldest year in Sydney was in 1943, with a temperature of 16.56°C.

For more detailed data, you can access the raw CSV data here or explore the interactive map here.

Frequently asked questions

Which weather station is used for Sydney?
Statistics on this page come from the SYDNEY AIRPORT AMO station, id ASN00066037, NOAA source.
How long is the temperature record in Sydney?
The record runs from 1940 to 2025 (85 years with data).
How much has Sydney warmed?
The annual mean changed by +2.08°C from 1940–1950 to 2016–2025 (first 10 vs last 10 years of the series).
What was the warmest year on record in Sydney?
The warmest year in this series is 2016 (annual mean 19.7°C).
What is the decade trend since 1980 in Sydney?
The linear trend since 1980 is +0.36°C per decade.

Downloads — primary station

Station: SYDNEY AIRPORT AMO (NOAA ASN00066037).

Fossil CO₂ emissions (ODIAC) in the grid cell for Sydney

1° gridded estimate (fossil carbon surface flux integrated over the calendar year, 2000–2023) for the grid cell that contains the city: the plotted value is a surface emission intensity (gC/m²/yr), comparable across regions, not local air CO₂ concentration (wind and mixing are not represented here).

CO₂ page (ODIAC map, Keeling…)

ODIAC 1°×1° grid cell (centre ≈ -33.5°, 151.5°).

All other weather stations near Sydney

Here is the other station linked to this page near Sydney, with data that typically span 1969–2025, depending on the site.