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Weather & Climate in De Aar, South Africa

Temperature, precipitation, air quality, natural hazards, and monthly weather data.

De Aar enjoys a temperate climate with an average annual temperature of 62°F (16°C). Winters average 75°F in January while summers reach 46°F in July / relatively mild seasonal variation. The area gets 313 sunny days per year, well above the U.S. average of 205 / making it one of the sunnier locations in the country. Annual precipitation totals 12.8 inches (drier than the 38-inch national average). The city sits at an elevation of 4,091 feet.

Temperature

75°F Jan (24°C) 46°F Jul (8°C)
Annual Average61.5°F
14% above US avg
January Average75°F (24°C)
July Average46°F (8°C)
Sunny Days313 days/yr

Geography

Elevation4,091 ft (1,247 m)
Area33.0 sq mi (85.5 km²)
Population Density979/sq mi
Coordinates-30.6497°N, 24.0123°W
TimezoneAfrica/Johannesburg

Precipitation & Snow

Annual Rainfall 12.8"
66% below US avg
Snowfall 0.0"
Wettest Month (Mar) 2.28"
Driest Month (Jul) 0.35"

Air Quality

Earthquake History

2 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.1.

Jan 8, 2002 52 km SW of Ritchie, South Africa M4.1 145 km 5 km
Nov 19, 1992 26 km NNW of De Aar, South Africa M4.0 26 km 10 km
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.

Monthly Weather

Month Avg Temperature Precipitation Summary
January 75°F (24°C) 1.4 in Warmest
February 74°F (23°C) 2.2 in
March 69°F (21°C) 2.3 in Wettest
April 61°F (16°C) 1.2 in
May 54°F (12°C) 0.6 in
June 47°F (8°C) 0.4 in
July 46°F (8°C) 0.4 in Coldest, Driest
August 50°F (10°C) 0.5 in
September 58°F (14°C) 0.5 in
October 64°F (18°C) 1.1 in
November 68°F (20°C) 1.1 in
December 73°F (23°C) 1.1 in

De Aar has a seasonal temperature swing of 28°F / from 46°F in July to 75°F in January. Total annual precipitation is 12.8 inches, with March being the wettest month (2.3") and July the driest (0.4").

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