Last updated: May 6, 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.
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).
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 temperature, precipitation, sunshine, UV index in Harvey, Western Australia, Australia with other places around the world.
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.
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 |
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.
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 |
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.
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 |