Climate and monthly weather forecastExmouth, Australia
Climate and monthly weather forecast
The climate of Exmouth
Situated in the far west of Australia, Exmouth experiences a BWh climate classification according to the Köppen system. This subtropical desert climate bases its formation on relatively scant to negligible rainfall, paired with high temperatures. As months pass by and seasons ebb and flow, the weather conditions correspondingly exhibit variations, establishing a distinct climate cycle.Highs fluctuate from roughly 24.5°C (76.1°F) to 34.4°C (93.9°F) annually, with the highest mean temperatures generally converging from December to March, while June to August assembles the lowest averages. Lows, on the other hand, hover from around 18.5°C (65.3°F) to 27.3°C (81.1°F). The overall humidity is quite regular, with the slightest deviations observed between 48% and 58% relative humidity.
Exmouth receives rainfall sparingly, with monthly averages ranging from 1mm (0.04") to 29mm (1.14"). Principally, months with barely any precipitation are September to November, with only about 1mm (0.04") on record. With such minimal rainfall, the number of rainfall days is understandably few. The months of August and September usually register the least number of days with rainfall, tallying just 1.4 and 0.8 days respectively.
The best time to visit Exmouth
The optimal time for out of towners to visit Exmouth would depend on the activities they plan to indulge in during their vacation. Tropical creatures or sun worshippers would enjoy the heatwave from January to April when maximum temperatures scale the ladder up to 32.3°C (90.1°F) to 34.4°C (93.9°F). Swimmers and ocean enthusiasts should not miss February to April when sea temperatures reach their zenith at around 28°C (82.4°F).On the other hand, sightseers with an aversion to excessive humidity might enjoy May when the relative humidity dips to 48%. Despite this, visitors need to pack for slightly cooler weather as the temperatures during this period slide down to highs of 28.3°C (82.9°F) and lows of 22°C (71.6°F).
The worst time to visit Exmouth
Ideally, it would be best to avoid visiting Exmouth during the months of June and July. These months are typically the coolest and come with an increase in relative humidity, standing at 52%. The temperatures experience a significant drop during these months, with average highs reaching only 24.5°C (76.1°F) in July and average lows detouring to approximately 18.5°C (65.3°F). Moreover, these months also record the shortest daylight hours, with just roughly 10.8 to 10.9 hours of light each day.Spring weather in Exmouth
In Exmouth, the spring season is embodied by the months of September to November. During these months, a noticeable increase in temperature occurs. Variety is offered in monthly average highs which range from 27.4°C (81.3°F) in September to 30.9°C (87.6°F) come November, and lows that transition from 19.3°C (66.7°F) to 22.3°C (72.1°F). Humidity records are basically consistent during spring, with all three months registering around 51% to 56% relative humidity.Summer weather in Exmouth
Exmouth's summer, classified by the months of December through February, offers high temperatures and lengthier sunshine hours. Temperatures oscillate between 33.8°C (92.8°F) to 34.4°C (93.9°F) for the average high whilst the low ranges from 26.4°C (79.5°F) to 27.3°C (81.1°F). The maximum amount of sunshine is viewed with December manifesting 12.1 hours and January offering 11.4 hours per day, trailed by February's relatively shorter 9.6 hours of daylight.Autumn weather in Exmouth
Take note that March to May marks Exmouth's autumn season. This period witnesses a decrease in temperature which could measure anywhere from 32.3°C (90.1°F) to 28.3°C (82.9°F) for highs and from 27.1°C (80.8°F) to 22°C (71.6°F) for lows. The length of daily sunshine shrinks progressively, dipping to a low of 7.4 hours in May.Winter weather in Exmouth
Winter in Exmouth is manifest from June to August. Moderation in terms of lesser temperatures defines this period. Average highs anchor at 24.5°C (76.1°F) to 25.7°C (78.3°F) whilst lows descend to 18.5°C (65.3°F) to 20.2°C (68.4°F). These months receive the least amount of daily sunshine, reaching only about 6.9 to 7.8 hours per day. On the brighter side, these months are accompanied by significantly less rainfall, with only an average of 2mm (0.08") to 3mm (0.12") falling each month.Weather in January
Beginning the year with warm conditions, Exmouth experiences a high average temperature of 33.8°C (92.8°F) in January. Comparatively warmer than December, this new-year month is preferred by tourists, who enjoy the comfortable daylight span lasting 13.3 hours. Weather in January »Weather in February
The weather in February in Exmouth features a rise in temperature compared to January, with an increase in the highest and lowest daily averages to 34.3°C (93.7°F) and 27.3°C (81.1°F), respectively. Hot afternoons are followed by warm nights, keeping this coastal city alive and vibrant. Weather in February »Weather in March
Exmouth's weather in March showcases a mild cooling trend from the preceding month, with average highs descending slightly to 34.4°C (93.9°F). This month manifests itself as the gateway to milder weather patterns, soothing the city after the hotter start of the year. Weather in March »Weather in April
In April, Exmouth's weather continues to cool down, offering relief from the summer heat with an average high of 32.3°C (90.1°F). This month serves as a welcome respite before the onset of winter chills, presenting the city at its pleasantest. Weather in April »Weather in May
May sees Exmouth embracing chillier winds as temperatures drop further from 32.3°C (90.1°F) in April to an average high of 28.3°C (82.9°F). This decrease marks the onset of a milder weather pattern, characterizing the shift towards winter. Weather in May »Weather in June
June brings cooler days to Exmouth, with daily highs falling to 25.2°C (77.4°F), a tangible drop from May's average high. This month is a distinctive transition from the balmy conditions of the first half of the year to milder, wintry weather. Weather in June »Weather in July
Exmouth's July weather bears the mark of mid-winter, dropping the average high to a cool 24.5°C (76.1°F). This month is known for its colder nights that follow comfortably cool afternoons. Winter takes full swing, promising cozy evenings by the fireplace. Weather in July »Weather in August
Reaching August, Exmouth witnesses a slight increase in temperature, with the days warming up to an average high of 25.7°C (78.3°F). The weather patterns begin to shift from the cold grip of the winter towards the anticipated warmth of the spring. Weather in August »Weather in September
September in Exmouth exhibits a warming trend, moving up from the average high temperature of 25.7°C (78.3°F) in August to reach 27.4°C (81.3°F). This signals the city's gradual transition into spring, bringing with it a vibrant natural landscape. Weather in September »Weather in October
October in Exmouth is notably warmer with an average high surging to 29.9°C (85.8°F), up from 27.4°C (81.3°F) in September. This elevation signals the onset of gradually hotter days, coaxing Exmouth out of the spring's embrace and onto the doorstep of summer. Weather in October »Weather in November
November in Exmouth carries a warmer atmosphere than October, profusely indicating the onset of summer with an average high temperature of 30.9°C (87.6°F). With increasing daylight hours, the city takes a noticeable leap into vibrant, sunlit days. Weather in November »Weather in December
At an average high of 32.6°C (90.7°F) in December, Exmouth greets the peak summer heat, connoting the arrival of longer days, lively tourists and warm ocean currents. This month holds the record for the second warmest month of the city's year. Weather in December »Updated: Jan 26, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
January and February, with an average relative humidity of 58%, are most humid months.
January is the month with the most rainfall. Rain falls for 8.3 days and accumulates 29mm (1.14") of precipitation.
Throughout the year, in Exmouth, Australia, there are 43.8 rainfall days, and 141mm (5.55") of precipitation is accumulated.
The months with the warmest seawater in Exmouth, Australia, are February through April, with an average sea temperature of 28°C (82.4°F).
With an average maximum UV index of 8, February is the month with the highest UV index in Exmouth.
The temperatures reach their highest averages in March, with highs of 34.4°C (93.9°F) and lows of 27.1°C (80.8°F).
The least humid month in Exmouth, Australia, is May, with an average relative humidity of 48%.
The months with the lowest UV index are May through September, with an average maximum UV index of 6.
With an average of 10h and 48min of daylight, June has the shortest days of the year in Exmouth.
June has the least sunshine of the year, with an average of 6.9h of sunshine.
July, on average, is the coldest month in Exmouth, registering a high temperature of 24.5°C (76.1°F) and a low of 18.5°C (65.3°F).
July through October, with an average sea temperature of 24°C (75.2°F), are months with the coldest seawater.
September through November are months with the least rain when the rain falls for 0.8 days and typically aggregates up to 1mm (0.04") of rain.
With an average of 12.1h of sunshine, November has the most sunshine of the year in Exmouth.
With an average of 13h and 24min of daylight, December has the longest days of the year in Exmouth.
Exmouth does not observe Daylight Saving Time (DST). AWST timezone is used over the entire year.
Average temperature
Exmouth, Australia
The warmest month (with the highest average high temperature) is March (34.4°C).
The month with the lowest average high temperature is July (24.5°C).
The month with the highest average low temperature is February (27.3°C).
The coldest month (with the lowest average low temperature) is July (18.5°C).
Average pressure
Exmouth, Australia
- Average pressure in January:
1005.7mbar - Average pressure in February:
1006.9mbar - Average pressure in March:
1009.3mbar - Average pressure in April:
1012.6mbar - Average pressure in May:
1015.3mbar - Average pressure in June:
1016.9mbar
- Average pressure in July:
1017.7mbar - Average pressure in August:
1017.1mbar - Average pressure in September:
1015.9mbar - Average pressure in October:
1013.3mbar - Average pressure in November:
1010.5mbar - Average pressure in December:
1007.4mbar
The month with the highest atmospheric pressure is July (1017.7mbar).
The month with the lowest atmospheric pressure is January (1005.7mbar).
Average wind speed
Exmouth, Australia
- Average wind speed in January:
23.8km/h - Average wind speed in February:
21.6km/h - Average wind speed in March:
20.3km/h - Average wind speed in April:
18.2km/h - Average wind speed in May:
18.3km/h - Average wind speed in June:
18.8km/h
- Average wind speed in July:
18.9km/h - Average wind speed in August:
19.4km/h - Average wind speed in September:
22.3km/h - Average wind speed in October:
23.7km/h - Average wind speed in November:
24.6km/h - Average wind speed in December:
24.4km/h
The windiest month (with the highest average wind speed) is November (24.6km/h).
The calmest month (with the lowest average wind speed) is April (18.2km/h).
Average humidity
Exmouth, Australia
The months with the highest relative humidity are January and February (58%).
The month with the lowest relative humidity is May (48%).
Average rainfall
Exmouth, Australia
The wettest month (with the highest rainfall) is January (29mm).
The driest months (with the least rainfall) are September, October and November (1mm).
Average rainfall days
Exmouth, Australia
- Average rainfall days in January:
8.3 days - Average rainfall days in February:
6.2 days - Average rainfall days in March:
5.2 days - Average rainfall days in April:
4.2 days - Average rainfall days in May:
3.3 days - Average rainfall days in June:
5.8 days
- Average rainfall days in July:
3.3 days - Average rainfall days in August:
1.4 days - Average rainfall days in September:
0.8 days - Average rainfall days in October:
0.9 days - Average rainfall days in November:
0.9 days - Average rainfall days in December:
3.5 days
The month with the highest number of rainy days is January (8.3 days).
The month with the least rainy days is September (0.8 days).
Average sea temperature
Exmouth, Australia
The best months for swimming (with the highest average sea temperature) are February, March and April (28°C).
The coldest months (with the lowest average sea temperature) are July, August, September and October (24°C).
Average daylight / Average sunshine
Exmouth, Australia
- Average daylight in January:
13h and 18min - Average daylight in February:
12h and 48min - Average daylight in March:
12h and 12min - Average daylight in April:
11h and 36min - Average daylight in May:
11h and 6min - Average daylight in June:
10h and 48min
- Average daylight in July:
10h and 54min - Average daylight in August:
11h and 24min - Average daylight in September:
12h and 0min - Average daylight in October:
12h and 36min - Average daylight in November:
13h and 12min - Average daylight in December:
13h and 24min
The month with the longest days is December (Average daylight: 13h and 24min).
The month with the shortest days is June (Average daylight: 10h and 48min).
- Average sunshine in January:
11h and 24min - Average sunshine in February:
9h and 36min - Average sunshine in March:
9h and 42min - Average sunshine in April:
9h and 30min - Average sunshine in May:
7h and 24min - Average sunshine in June:
6h and 54min
- Average sunshine in July:
7h and 48min - Average sunshine in August:
9h and 36min - Average sunshine in September:
9h and 54min - Average sunshine in October:
11h and 36min - Average sunshine in November:
12h and 6min - Average sunshine in December:
11h and 54min
The month with the most sunshine is November (Average sunshine: 12h and 6min).
The month with the least sunshine is June (Average sunshine: 6h and 54min).
Average sunshine days
Exmouth, Australia
- Average sunshine days in January:
21.1 days - Average sunshine days in February:
20.6 days - Average sunshine days in March:
25.3 days - Average sunshine days in April:
25.7 days - Average sunshine days in May:
27.3 days - Average sunshine days in June:
23.9 days
- Average sunshine days in July:
27.3 days - Average sunshine days in August:
28.8 days - Average sunshine days in September:
28.5 days - Average sunshine days in October:
29.4 days - Average sunshine days in November:
28.4 days - Average sunshine days in December:
26.3 days
The month with the most sunshine days is October (29.4 days).
The month with the least sunshine days is February (20.6 days).
Average UV index
Exmouth, Australia
The month with the highest UV index is February (UV index 8).
The months with the lowest UV index are May, June, July, August and September (UV index 6).
Average cloud cover
Exmouth, Australia
The month with the most cloud cover is June (Cloud cover 20).
The month with the least cloud cover is September (Cloud cover 5).
Average visibility
Exmouth, Australia
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
