Weather on July 20 in Perth
Historical weather data for July 20 in Perth, Australia
Based on 54 years of data from PERTH REGIONAL OFFICE
About This Date
July 20th in Perth, Australia typically brings mild summer weather, with average highs around 18°C and lows near 8°C. Over 54 years of records, the warmest July 20th was in 1976 (17°C average), while the coldest was 2008 (9°C) — a 15°F range across recorded history. Rain or other precipitation has occurred on about 59% of July 20th dates historically, with the wettest July 20th recording 1.31" of rain. The last decade has been 1.0°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.0°F warmer on this date compared to 20-30 years ago.
Planning for July 20th in Perth? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Year by Year History
| Year | High | Low | Precip (mm) |
|---|---|---|---|
| 2026 | 19°C (67°F) | 8°C (47°F) | 1 mm |
| 2025 | 19°C (66°F) | 9°C (49°F) | 1 mm |
| 2024 | 20°C (68°F) | 11°C (52°F) | 2 mm |
| 2023 | 17°C (63°F) | 8°C (46°F) | 1 mm |
| 2022 | 22°C (71°F) | 11°C (52°F) | 0 mm |
| 2021 | 16°C (61°F) | 12°C (53°F) | 2 mm |
| 2020 | 18°C (65°F) | 5°C (41°F) | 0 mm |
| 2019 | 18°C (64°F) | 9°C (48°F) | 13 mm |
| 2018 | 21°C (69°F) | 7°C (44°F) | 0 mm |
| 2017 | 18°C (65°F) | 13°C (55°F) | 12 mm |
| 2016 | 19°C (66°F) | 4°C (40°F) | 0 mm |
| 2015 | 20°C (68°F) | 13°C (56°F) | 33 mm |
| 2014 | 17°C (63°F) | 9°C (48°F) | 6 mm |
| 2013 | 17°C (62°F) | 2°C (36°F) | 0 mm |
| 2012 | 22°C (71°F) | 2°C (35°F) | 0 mm |
| 2011 | 18°C (65°F) | 11°C (51°F) | 0 mm |
| 2010 | 18°C (65°F) | 4°C (40°F) | 0 mm |
| 2009 | 14°C (58°F) | 8°C (47°F) | 24 mm |
| 2008 | 17°C (63°F) | 1°C (34°F) | 0 mm |
| 2007 | 20°C (68°F) | 13°C (55°F) | 21 mm |
| 2006 | 21°C (69°F) | 3°C (37°F) | 0 mm |
| 2005 | 22°C (72°F) | 7°C (45°F) | 0 mm |
| 2004 | 16°C (60°F) | 9°C (48°F) | 0 mm |
| 2003 | 16°C (61°F) | 7°C (44°F) | 5 mm |
| 2002 | 21°C (70°F) | 10°C (50°F) | 0 mm |
| 2001 | 22°C (71°F) | 7°C (44°F) | 0 mm |
| 2000 | 18°C (65°F) | 11°C (51°F) | 4 mm |
| 1999 | 18°C (65°F) | 8°C (47°F) | 0 mm |
| 1998 | 19°C (66°F) | 4°C (40°F) | 0 mm |
| 1997 | 21°C (70°F) | 1°C (34°F) | 0 mm |
| 1996 | 18°C (65°F) | 9°C (49°F) | 0 mm |
| 1995 | 17°C (62°F) | 10°C (50°F) | 29 mm |
| 1994 | 21°C (70°F) | 5°C (41°F) | 0 mm |
| 1991 | 16°C (60°F) | 9°C (49°F) | 9 mm |
| 1990 | 19°C (67°F) | 14°C (58°F) | 1 mm |
| 1989 | 16°C (60°F) | 12°C (53°F) | 18 mm |
| 1988 | 17°C (62°F) | 7°C (44°F) | 0 mm |
| 1987 | 17°C (62°F) | 4°C (40°F) | 0 mm |
| 1986 | 17°C (63°F) | 8°C (47°F) | 0 mm |
| 1985 | 16°C (60°F) | 7°C (44°F) | 8 mm |
| 1984 | 17°C (62°F) | 10°C (50°F) | 6 mm |
| 1983 | 22°C (71°F) | 9°C (49°F) | 0 mm |
| 1982 | 16°C (60°F) | 10°C (50°F) | 23 mm |
| 1981 | 18°C (65°F) | 7°C (45°F) | 0 mm |
| 1980 | 17°C (62°F) | 7°C (45°F) | 0 mm |
| 1979 | 14°C (58°F) | 9°C (49°F) | 4 mm |
| 1978 | 17°C (63°F) | 11°C (52°F) | 22 mm |
| 1977 | 15°C (59°F) | 12°C (54°F) | 12 mm |
| 1976 | 21°C (70°F) | 13°C (56°F) | 20 mm |
| 1975 | 19°C (67°F) | 12°C (54°F) | 9 mm |
| 1974 | 17°C (63°F) | 11°C (51°F) | 8 mm |
| 1973 | 19°C (66°F) | 9°C (49°F) | 2 mm |
| 1972 | 18°C (65°F) | 9°C (49°F) | 0 mm |
| 1971 | 17°C (63°F) | 14°C (57°F) | 1 mm |