Exmouth weather by month & the best time to visit
Australia · beach resort · hot desert climate
The best time to visit Exmouth is September — its sunniest month (Sunshine Score 100/100), with October and August close behind. Exmouth averages about 3,807 hours of sunshine a year. Daytime highs around 27°C / 81°F and roughly 2 mm of rain in September.
When is the best time to visit Exmouth?
For sunshine, the best time to visit Exmouth is September, then October and August. The dullest month is March (73/100, 45 mm of rain). The full month-by-month picture is in the table below.
How sunny is Exmouth?
Exmouth is one of the sunniest places on Earth: about 3,807 hours of sunshine a year. September (100/100) is noticeably better than March (73). It ranks #3 of 118 destinations in Australia for annual sunshine, above the national median of 3,071 hours. Rain has a clear season: the wettest stretch, around February, carries about 47% of the annual 241 mm.
Sunshine Score by month
| Month | Score | Day high | Night low | Rain | UV | Sea |
|---|---|---|---|---|---|---|
| January | 75 | 34° / 93°F | 25° / 77°F | 33 mm | 15 | 26° / 79°F |
| February | 75 | 34° / 93°F | 26° / 79°F | 35 mm | 14 | 29° / 84°F |
| March | 73 | 34° / 93°F | 26° / 79°F | 45 mm | 12 | 30° / 86°F |
| April | 96 | 32° / 90°F | 24° / 75°F | 21 mm | 9 | 28° / 82°F |
| May | 95 | 28° / 82°F | 20° / 68°F | 30 mm | 7 | 26° / 79°F |
| June | 92 | 25° / 77°F | 18° / 64°F | 43 mm | 5 | 23° / 73°F |
| July | 97 | 24° / 75°F | 16° / 61°F | 19 mm | 6 | 21° / 70°F |
| August | 99 | 25° / 77°F | 16° / 61°F | 3 mm | 8 | 22° / 72°F |
| September | 100 | 27° / 81°F | 17° / 63°F | 2 mm | 10 | 23° / 73°F |
| October | 100 | 30° / 86°F | 19° / 66°F | 1 mm | 12 | 25° / 77°F |
| November | 99 | 31° / 88°F | 21° / 70°F | 4 mm | 13 | 27° / 81°F |
| December | 89 | 33° / 91°F | 23° / 73°F | 5 mm | 14 | 29° / 84°F |
Sea temperature in Exmouth by month
The sea off Exmouth is warmest in March at around 30°C / 86°F, and coolest in July at 21°C / 70°F. The water sits at a comfortable 21°C or warmer roughly all year round. Month-by-month sea-surface temperatures are in the Sea column of the table above.
Nearest destinations
Exmouth: questions and answers
What kind of destination is Exmouth?
Exmouth is a beach resort in Australia with a hot desert climate — the sea reaches 30°C at its warmest and is swimmable (21°C+) year-round.
How many hours of sunshine does Exmouth get a year?
Exmouth gets about 3,807 hours of sunshine a year, at its best around September.
When is the best time to visit Exmouth?
The sunniest time to visit Exmouth is September, when the Sunshine Score peaks at 100/100 (with October and August close behind). Expect daytime highs around 27°C / 81°F.
What is the least sunny month in Exmouth?
March is the least sunny month in Exmouth, scoring 73/100 with about 45 mm of rain.
What is the sea temperature in Exmouth?
The sea in Exmouth ranges from about 21°C (July) to 30°C (March). Month-by-month sea temperatures are on this page.
How strong is the sun in Exmouth?
The typical midday UV index in Exmouth peaks around 15 (extreme) in January, easing to about 5 (moderate) in June. Month-by-month midday UV values are in the UV column of the table on this page.
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