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Monthly climate in Harvey, Western Australia, Australia

Last updated: March 2, 2024

Under the Köppen–Geiger climate classification Harvey features a hot-summer Mediterranean climate (Csa). Temperatures typically range between 12 °C (53 °F) and 22 °C (73 °F) through the year, but rarely can drop to 1 °C (35 °F) or can rise to as high as 40 °C (104 °F). The average annual precipitation amounts to about 704 mm (27.7 inches) and receives 79 rainy days on the 1 mm (0.04 inches) threshold annually. Harvey enjoys an average of 3645 hours of sunshine throughout the year, and daylight varies from 9 hours 59 minutes to 14 hours 16 minutes per day.

Monthly average temperatures in Harvey, Western Australia, Australia §

The warmest months in Harvey are January, February and December, with daily mean temperatures ranging from 21 to 22 °C (71 - 73 °F) throughout the day. The coldest temperatures usually occur in June, July and August, when daily mean temperatures range from 12 to 12 °C (53 - 55 °F) throughout the day. On average each year, Harvey experiences 110 days above 25 °C (77.0 °F) and 0 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Harvey, Western Australia, Australia. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum 39°C
(103°F)		 39°C
(102°F)		 36°C
(97°F)		 35°C
(95°F)		 28°C
(83°F)		 23°C
(75°F)		 21°C
(70°F)		 25°C
(77°F)		 29°C
(84°F)		 32°C
(91°F)		 36°C
(98°F)		 40°C
(104°F)
Mean maximum 38°C
(100°F)		 36°C
(96°F)		 35°C
(95°F)		 31°C
(88°F)		 25°C
(78°F)		 20°C
(69°F)		 20°C
(68°F)		 23°C
(73°F)		 25°C
(78°F)		 29°C
(85°F)		 33°C
(92°F)		 37°C
(99°F)
Average high 30°C
(86°F)		 29°C
(84°F)		 27°C
(80°F)		 24°C
(75°F)		 19°C
(67°F)		 17°C
(63°F)		 16°C
(60°F)		 16°C
(61°F)		 18°C
(64°F)		 20°C
(69°F)		 24°C
(75°F)		 28°C
(83°F)
Daily mean 22°C
(73°F)		 22°C
(72°F)		 21°C
(70°F)		 17°C
(64°F)		 14°C
(58°F)		 12°C
(55°F)		 12°C
(54°F)		 12°C
(53°F)		 13°C
(56°F)		 15°C
(59°F)		 18°C
(64°F)		 21°C
(71°F)
Average low 15°C
(60°F)		 16°C
(61°F)		 15°C
(60°F)		 12°C
(55°F)		 10°C
(50°F)		 9°C
(48°F)		 8°C
(47°F)		 8°C
(46°F)		 8°C
(47°F)		 10°C
(50°F)		 12°C
(53°F)		 14°C
(58°F)
Mean minimum 10°C
(49°F)		 10°C
(51°F)		 8°C
(47°F)		 7°C
(44°F)		 5°C
(42°F)		 4°C
(39°F)		 5°C
(41°F)		 4°C
(39°F)		 3°C
(37°F)		 5°C
(41°F)		 7°C
(44°F)		 8°C
(47°F)
Minimum 8°C
(46°F)		 9°C
(48°F)		 7°C
(44°F)		 4°C
(40°F)		 3°C
(37°F)		 2°C
(36°F)		 4°C
(39°F)		 3°C
(38°F)		 1°C
(35°F)		 3°C
(37°F)		 5°C
(41°F)		 5°C
(42°F)

Compare climate in Harvey with other places

Compare temperature, precipitation, sunshine, UV index in Harvey, Western Australia, Australia with other places around the world.

Monthly average precipitation in Harvey, Western Australia, Australia §

Harvey usually has the most precipitation in June, July and August, with an average of 12 rainy days and 120 mm (4.7 inches) of precipitation per month. The driest months in Harvey are January, April and December. On average, 18 mm (0.7 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Harvey, Western Australia, Australia. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average precipitation mm (inches) 14 (0.5) 50 (2.0) 28 (1.1) 27 (1.1) 75 (3.0) 107 (4.2) 142 (5.6) 112 (4.4) 66 (2.6) 44 (1.7) 27 (1.1) 12 (0.5)
Average precipitation days (≥ 1 mm) 1 3 5 3 7 10 16 11 10 7 4 2

Monthly sunshine hours in Harvey, Western Australia, Australia §

The sunniest months in Harvey are October, November and December, when the sun shines an average of 11 hours 25 minutes a day. Least sunny months in Harvey: May, June and July receive an average of 8 hours 35 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Harvey, Western Australia, Australia. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Mean monthly sunshine hours 310 314 321 286 273 254 261 280 290 322 347 382
Mean daily daylight hours 14h 2m 13h 15m 12h 15m 11h 14m 10h 23m 9h 59m 10h 11m 10h 55m 11h 53m 12h 54m 13h 48m 14h 16m

Solar UV radiation in Harvey, Western Australia, Australia §

Harvey experiences the highest level of ultraviolet (UV) radiation in January, February and December, when the maximum UV index can reach values of 14 - 14, which corresponds to the Extreme category of sun exposure. May, June and July are in the Moderate / High exposure category. In these months, the maximum values of the UV index do not exceed 6. For more detailed information, check out our hourly Harvey UV Index data.

Average daily maximum UV levels by month for Harvey, Western Australia, Australia. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
UV Index (month maximum) 14 14 12 8 6 4 4 6 8 11 13 14

Detailed Monthly Weather Insights for Harvey, Western Australia, Australia

Discover in-depth weather details for every month in Harvey. Click through the links below for comprehensive overviews of temperature trends, precipitation levels, sunshine hours, and solar UV radiation specifics. Whether planning a visit or simply curious about Harvey's climate nuances, these monthly breakdowns provide the information you need for an informed understanding of what to expect throughout the year.

Each link leads to a detailed account of the typical weather conditions for that month, providing both locals and tourists with vital information to plan their daily activities, wardrobe, and travel itineraries accordingly.