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Weather & Climate in Gillen, Australia
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Gillen has a warm climate with an average annual temperature of 71°F (22°C). Winters average 80°F in January while summers reach 54°F in July / relatively mild seasonal variation. The area gets 345 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 15.7 inches (drier than the 38-inch national average). The city sits at an elevation of 1,893 feet.
Temperature
80°F Jan (27°C)
54°F Jul (12°C)
| Annual Average | 70.7°F |
| 31% above US avg | |
| January Average | 80°F (27°C) |
| July Average | 54°F (12°C) |
| Sunny Days | 345 days/yr |
Geography
| Elevation | 1,893 ft (577 m) |
| Area | 1.0 sq mi (2.5 km²) |
| Population Density | 4,331/sq mi |
| Coordinates | -23.7092°N, 133.8660°W |
| Timezone | Australia/Darwin |
Precipitation & Snow
Air Quality
Earthquake History
1 earthquake (M2.5+) recorded within 150 km since 1990. Strongest on record: M3.6.
| Jun 16, 1998 | 61 km E of Ross, Australia | M3.6 | 65 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 80°F (27°C) | 1.7 in | |
| February | 83°F (28°C) | 1.9 in | Warmest, Wettest |
| March | 78°F (26°C) | 1.7 in | |
| April | 70°F (21°C) | 0.9 in | |
| May | 61°F (16°C) | 0.8 in | |
| June | 55°F (13°C) | 0.6 in | |
| July | 54°F (12°C) | 0.5 in | Coldest |
| August | 58°F (15°C) | 0.4 in | Driest |
| September | 66°F (19°C) | 0.4 in | |
| October | 73°F (23°C) | 0.9 in | |
| November | 79°F (26°C) | 1.2 in | |
| December | 82°F (28°C) | 1.6 in |
Gillen has a seasonal temperature swing of 29°F / from 54°F in July to 83°F in February. Total annual precipitation is 12.7 inches, with February being the wettest month (1.9") and August the driest (0.4").