Climate

Drought Management See also Victoria's Climate Mean maximum temperatures in the Wimmera Region are generally uniform for Nhill, Warracknabeal, Horsham and Stawell, measuring 21.5°C, 22.0°C, 21.5°C and 20.2°C respectively. Temperature highs are usually around 30°C throughout the summer months, while often a little hotter in the north and cooler in the south. During winter, temperature highs are apprximately14°C.

Average temperature lows throughout the year are 8.0°C (Nhill), 8.7°C (Warracknabeal), 8.4°C (Horsham) and 8.6°C (Stawell). During summer, temperatures will generally fall to approximately 12-13°C and winter low temperatures are usually 3.5-4.5°C. Mean annual rainfall is the same in Nhill as in Warracknabeal (419 mm), while Horsham and Stawell record 451 mm and 533 mm respectively. For more climate and weather information about the Wimmera and throughout Victoria, visit these Bureau of Meteorology websites:

Climate & Weather Data

Daily and weekly rain, temperature and general weather observations (external link)

Forecast information, including provincial city and fire weather forecasts (external link)

Wimmera climate averages (external link)

Seasonal climate outlook information (external link)

Horsham climate data (external link)

The Bureau of Meteorology website provides a regular radar update covering a 256 km radius from Melbourne (external link)


Water and Rainfall Status:

The following statewide water and rainfall status reports are available for the Wimmera region:

• Current Status of Water Resources
• Streamflow Status Report
• Rainfall
• Storage Levels
• Groundwater Storage Situation Report
• Restrictions on Urban Supplies
• Irrigation Allocations and Restrictions

For an up to date Wimmera-Mallee ‘Water Storage Report’ see the Grampians Wimmera Mallee Water website (external link).

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