Last updated: May 6, 2024
Under the Köppen–Geiger climate classification Portland West features a warm-summer Mediterranean climate (Csb).Temperatures typically range between 11 °C (52 °F) and 18 °C (64 °F) through the year, but rarely can drop to 5 °C (41 °F) or can rise to as high as 36 °C (97 °F).The average annual precipitation amounts to about 829 mm (32.6 inches) and receives 132 rainy days on the 1 mm (0.04 inches) threshold annually.Portland West enjoys an average of 3148 hours of sunshine throughout the year, and daylight varies from 9 hours 31 minutes to 14 hours 46 minutes per day.
The warmest months in Portland West are January, February and March, with daily mean temperatures ranging from 17 to 18 °C (63 - 64 °F) throughout the day. The coldest temperatures usually occur in June, July and August, when daily mean temperatures range from 11 to 11 °C (52 - 53 °F) throughout the day. On average each year, Portland West experiences 15 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 | 35°C (95°F) | 31°C (88°F) | 35°C (94°F) | 28°C (82°F) | 21°C (70°F) | 17°C (64°F) | 17°C (63°F) | 19°C (66°F) | 24°C (75°F) | 27°C (81°F) | 29°C (85°F) | 36°C (97°F) |
Mean maximum | 32°C (90°F) | 29°C (84°F) | 28°C (83°F) | 25°C (77°F) | 20°C (68°F) | 16°C (60°F) | 16°C (61°F) | 17°C (63°F) | 21°C (70°F) | 24°C (75°F) | 27°C (81°F) | 30°C (86°F) |
Average high | 21°C (70°F) | 20°C (68°F) | 20°C (68°F) | 18°C (64°F) | 15°C (60°F) | 13°C (56°F) | 13°C (55°F) | 13°C (56°F) | 14°C (58°F) | 16°C (60°F) | 18°C (64°F) | 19°C (66°F) |
Daily mean | 18°C (64°F) | 17°C (63°F) | 17°C (63°F) | 15°C (60°F) | 13°C (56°F) | 11°C (53°F) | 11°C (52°F) | 11°C (52°F) | 12°C (54°F) | 13°C (56°F) | 15°C (59°F) | 16°C (61°F) |
Average low | 15°C (59°F) | 15°C (59°F) | 15°C (59°F) | 13°C (56°F) | 11°C (52°F) | 10°C (50°F) | 9°C (49°F) | 9°C (48°F) | 9°C (49°F) | 11°C (51°F) | 12°C (54°F) | 13°C (56°F) |
Mean minimum | 13°C (55°F) | 12°C (54°F) | 11°C (52°F) | 10°C (50°F) | 8°C (46°F) | 7°C (44°F) | 6°C (43°F) | 6°C (43°F) | 6°C (44°F) | 8°C (46°F) | 9°C (48°F) | 10°C (50°F) |
Minimum | 12°C (53°F) | 11°C (52°F) | 9°C (49°F) | 9°C (49°F) | 6°C (44°F) | 5°C (41°F) | 5°C (42°F) | 6°C (42°F) | 6°C (42°F) | 6°C (44°F) | 8°C (46°F) | 9°C (48°F) |
Compare temperature, precipitation, sunshine, UV index in Portland West, Victoria, Australia with other places around the world.
Portland West usually has the most precipitation in May, July and August, with an average of 17 rainy days and 109 mm (4.3 inches) of precipitation per month.The driest months in Portland West are January, February and March. On average, 33 mm (1.3 inches) of precipitation falls during these months.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Average precipitation mm (inches) | 32 (1.3) | 31 (1.2) | 35 (1.4) | 51 (2.0) | 92 (3.6) | 81 (3.2) | 122 (4.8) | 113 (4.4) | 86 (3.4) | 74 (2.9) | 68 (2.7) | 44 (1.7) |
Average precipitation days (≥ 1 mm) | 4 | 7 | 8 | 9 | 16 | 13 | 17 | 18 | 13 | 11 | 10 | 6 |
The sunniest months in Portland West are March, November and December, when the sun shines an average of 10 hours 15 minutes a day.Least sunny months in Portland West: May, June and July receive an average of 6 hours 41 minutes of sunshine daily.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Mean monthly sunshine hours | 284 | 286 | 289 | 236 | 205 | 195 | 213 | 240 | 256 | 285 | 310 | 343 |
Mean daily daylight hours | 14h 28m | 13h 30m | 12h 17m | 11h 3m | 10h 1m | 9h 31m | 9h 46m | 10h 40m | 11h 50m | 13h 4m | 14h 11m | 14h 46m |
Portland West experiences the highest level of ultraviolet (UV) radiation in January, February and December, when the maximum UV index can reach values of 12 - 14, which corresponds to the Extreme category of sun exposure.May, June and July are in the Moderate exposure category. In these months, the maximum values of the UV index do not exceed 4. For more detailed information, check out our hourly Portland West UV Index data.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
UV Index (month maximum) | 13 | 12 | 10 | 7 | 4 | 3 | 3 | 4 | 7 | 9 | 11 | 14 |