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Weather & Climate in Karratha, Australia
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Karratha has a warm climate with an average annual temperature of 79°F (26°C). Winters average 83°F in January while summers reach 68°F in July / relatively mild seasonal variation. The area gets 357 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 8.3 inches (drier than the 38-inch national average). The city sits at an elevation of 66 feet.
Temperature
83°F Jan (28°C)
68°F Jul (20°C)
| Annual Average | 78.7°F |
| 46% above US avg | |
| January Average | 83°F (28°C) |
| July Average | 68°F (20°C) |
| Sunny Days | 357 days/yr |
Geography
| Elevation | 66 ft (20 m) |
| Area | 297.8 sq mi (771.4 km²) |
| Population Density | 39/sq mi |
| Coordinates | -20.7377°N, 116.8463°W |
| Timezone | Australia/Perth |
Precipitation & Snow
Air Quality
Earthquake History
4 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M3.7.
| Mar 19, 2005 | 127 km W of Dampier, Australia | M3.7 | 143 km | 37 km |
| Feb 4, 2003 | 31 km SSE of Wickham, Australia | M3.5 | 46 km | 10 km |
| Apr 9, 1991 | 117 km SSE of Wickham, Australia | M3.5 | 128 km | 10 km |
| May 12, 2004 | 100 km NNE of Dampier, Australia | M3.3 | 107 km | 36 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Hurricane History
40 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 5.
| Year | Name | Category | Max Wind | Closest |
| 2026 | Narelle | Category 4 | - | 197 km |
| 2026 | Mitchell | Category 1 | - | 76 km |
| 2025 | Zelia | Category 4 | 132 mph | 213 km |
| 2025 | Sean | Category 1 | 75 mph | 262 km |
| 2023 | Ilsa | Category 5 | 144 mph | 273 km |
| 2020 | Damien | Category 2 | 98 mph | 16 km |
| 2019 | Veronica | Category 4 | 109 mph | 87 km |
| 2015 | Olwyn | Category 1 | 75 mph | 252 km |
| 2014 | Christine | Category 3 | 104 mph | 48 km |
| 2013 | Rusty | Category 3 | 104 mph | 285 km |
| 2012 | Heidi | Category 1 | 92 mph | 206 km |
| 2011 | Bianca | Category 1 | 75 mph | 167 km |
| 2008 | Nicholas | Category 1 | 92 mph | 286 km |
| 2007 | Kara | Category 3 | 121 mph | 232 km |
| 2007 | George | Category 3 | 127 mph | 193 km |
| 2006 | Glenda | Category 4 | 121 mph | 100 km |
| 2004 | Monty | Category 3 | 115 mph | 125 km |
| 2002 | Chris | Category 2 | 109 mph | 280 km |
| 2000 | John | Category 4 | 127 mph | 63 km |
| 2000 | Steve | Category 1 | 69 mph | 37 km |
Source: NOAA IBTrACS (Category 1+, 1980-2026).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 83°F (28°C) | 1.7 in | |
| February | 90°F (32°C) | 2.8 in | Warmest, Wettest |
| March | 89°F (32°C) | 1.8 in | |
| April | 84°F (29°C) | 0.9 in | |
| May | 76°F (24°C) | 1.2 in | |
| June | 70°F (21°C) | 1.5 in | |
| July | 68°F (20°C) | 0.5 in | Coldest |
| August | 71°F (22°C) | 0.3 in | |
| September | 76°F (24°C) | 0.0 in | |
| October | 81°F (27°C) | 0.0 in | Driest |
| November | 85°F (30°C) | 0.0 in | |
| December | 89°F (32°C) | 0.5 in |
Karratha has a seasonal temperature swing of 21°F / from 68°F in July to 90°F in February. Total annual precipitation is 11.1 inches, with February being the wettest month (2.8") and October the driest (0.0").