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Weather & Climate in Grenfell, Australia
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Grenfell enjoys a temperate climate with an average annual temperature of 60°F (16°C). Winters average 74°F in January while summers reach 46°F in July / relatively mild seasonal variation. The area gets 292 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 24.1 inches (drier than the 38-inch national average). The city sits at an elevation of 1,276 feet.
Temperature
74°F Jan (23°C)
46°F Jul (8°C)
| Annual Average | 60.3°F |
| 12% above US avg | |
| January Average | 74°F (23°C) |
| July Average | 46°F (8°C) |
| Sunny Days | 292 days/yr |
Geography
| Elevation | 1,276 ft (389 m) |
| Area | 3,581.1 sq mi (9,275.2 km²) |
| Population Density | 1/sq mi |
| Coordinates | -33.8955°N, 148.1644°W |
| Timezone | Australia/Sydney |
Precipitation & Snow
Air Quality
Earthquake History
45 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.2.
| Apr 13, 2017 | 23 km WSW of Millthorpe, Australia | M4.2 | 84 km | 15 km |
| Oct 11, 1992 | 25 km NW of Temora, Australia | M4.1 | 90 km | 10 km |
| Oct 16, 1998 | 18 km WSW of Temora, Australia | M4.0 | 100 km | 10 km |
| Mar 14, 1999 | 22 km WSW of West Wyalong, Australia | M3.9 | 111 km | 10 km |
| Feb 28, 2004 | 16 km SSE of Junee, Australia | M3.9 | 130 km | 12 km |
| Aug 22, 2002 | 9 km NE of Grenfell, Australia | M3.9 | 10 km | 10 km |
| Jun 22, 2012 | 23 km N of Boorowa, Australia | M3.8 | 63 km | 10 km |
| Nov 23, 2001 | 9 km ENE of Grenfell, Australia | M3.8 | 9 km | 10 km |
| Aug 21, 1994 | 16 km E of Forbes, Australia | M3.8 | 56 km | 10 km |
| Jan 18, 2005 | 8 km N of West Wyalong, Australia | M3.7 | 90 km | 13 km |
| Aug 19, 1994 | 21 km E of Forbes, Australia | M3.5 | 61 km | 10 km |
| Mar 2, 2006 | 23 km NE of Murrumbateman, Australia | M3.4 | 137 km | 3 km |
| Aug 21, 1994 | 25 km E of Forbes, Australia | M3.4 | 61 km | 10 km |
| Aug 19, 1994 | 23 km E of Forbes, Australia | M3.4 | 55 km | 10 km |
| May 20, 1991 | 23 km S of Cowra, Australia | M3.4 | 55 km | 10 km |
| Aug 19, 1994 | 29 km NW of Grenfell, Australia | M3.4 | 30 km | 10 km |
| Jul 11, 2003 | 15 km WNW of Cootamundra, Australia | M3.3 | 84 km | 1 km |
| Sep 18, 1994 | 15 km N of Grenfell, Australia | M3.2 | 16 km | 10 km |
| May 18, 2001 | 12 km WNW of Boorowa, Australia | M3.2 | 68 km | 10 km |
| Mar 13, 2001 | 8 km NW of West Wyalong, Australia | M3.2 | 95 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 74°F (23°C) | 2.2 in | |
| February | 75°F (24°C) | 1.6 in | Warmest |
| March | 69°F (21°C) | 1.5 in | Driest |
| April | 61°F (16°C) | 1.9 in | |
| May | 55°F (13°C) | 2.0 in | |
| June | 48°F (9°C) | 1.7 in | |
| July | 46°F (8°C) | 2.3 in | Coldest |
| August | 48°F (9°C) | 2.3 in | |
| September | 53°F (11°C) | 2.3 in | |
| October | 59°F (15°C) | 2.4 in | Wettest |
| November | 65°F (18°C) | 2.1 in | |
| December | 71°F (22°C) | 2.0 in |
Grenfell has a seasonal temperature swing of 28°F / from 46°F in July to 75°F in February. Total annual precipitation is 24.1 inches, with October being the wettest month (2.4") and March the driest (1.5").