amid uncertainty

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Welcome to the official website of the Actuarial Society of South Africa's Climate Index. This innovative tool provides a comprehensive measure of climate extremes affecting South Africa, covering extreme temperatures and precipitation, drought, and weather conditions conducive to hail and wildfire.

Designed for actuaries, policymakers, and researchers, our index offers valuable insights into climate trends and their potential impacts on various sectors. Explore the site to understand the index components, access the latest data, and learn how to effectively utilize this resource for informed decision-making.

The Index page allows users to get a quick, high-level view of the components, and zoom in to regions of interest. The Analysis page allows users of the index to analyse the data in more detail, with control over the temporal and spatial aggregation applied to the data.

Extreme Max Temperature

Extreme Min Temperature

Extreme Precipitation

Drought

Hail

Wildfire

Composite

North WestFree StateMpumalangaGautengKwaZulu-NatalEastern CapeNorthern CapeWestern CapeLimpopo
0.51.52.5>3
All values indicate standard deviations from the base period norm. Negative values can be interpreted as a lower-than-usual prevalence of outliers.

South Africa Province data

Eastern Cape0.3
Free State3.6
Gauteng2.1
KwaZulu-Natal0.0
Limpopo-0.1
Mpumalanga0.4
North West2.5
Northern Cape4.8
Western Cape0.9

Extreme Max Temperature

Extreme Min Temperature

Extreme Precipitation

Drought

Hail

Wildfire

Composite