On This Day, 31 July: Notable Weather Records
20 notable weather records on 31 July across the years, led by Illalangi, AU, with events and storms for the date.
Key Facts for 31 July
- 20 notable weather records were set or tied on 31 July in 12 years (1971 to 2026).
- Illalangi set an all-time record daily precipitation of 198.0 mm (7.8 in) on 31 July 2017.
- 4 extreme weather events peaked on 31 July.
- 6 named storms were active on 31 July.
Records on 31 July Through the Years
1971 to 2026| Date | Kind | Detail |
|---|---|---|
| 1971-07-31 | Record daily precipitation | Ida, 80.0 mm (3.1 in) |
| 1975-07-31 | Record daily precipitation | Adelaide West Terrace, 36.6 mm (1.4 in) |
| 1977-07-31 | Record daily precipitation | Praha-Klementinum, 66.5 mm (2.6 in) |
| 1980-07-31 | Record daily precipitation | Vladikavkaz, 113.0 mm (4.4 in) |
| 1983-07-31 | Record daily precipitation | Avon Park 2 W, 187.2 mm (7.4 in) |
| 2001-07-31 | Record daily precipitation | Roseau, 69.3 mm (2.7 in) |
| 2014-07-31 | Record daily precipitation | Mount Wellington (the Springs), 134.0 mm (5.3 in) |
| 2015-07-31 | Record daily precipitation | Doodarding Well, 52.0 mm (2.0 in) |
| 2015-07-31 | Record daily precipitation | Miling, 98.0 mm (3.9 in) |
| 2015-07-31 | Record daily precipitation | Burracoppin, 65.0 mm (2.6 in) |
| 2015-07-31 | Record daily precipitation | Gabbin, 82.5 mm (3.2 in) |
| 2015-07-31 | Record daily precipitation | Ytiniche, 85.0 mm (3.3 in) |
| 2015-07-31 | Record daily precipitation | Koorda, 56.0 mm (2.2 in) |
| 2015-07-31 | Record daily precipitation | Moningarin, 74.0 mm (2.9 in) |
| 2015-07-31 | Record daily precipitation | Aldervale, 59.2 mm (2.3 in) |
| 2016-07-31 | Record daily precipitation | Raznavolok, 110.0 mm (4.3 in) |
| 2017-07-31 | Record daily precipitation | Illalangi, 198.0 mm (7.8 in) |
| 2025-07-31 | Record daily precipitation | Moorcroft 3S, 52.8 mm (2.1 in) |
| 2026-07-31 | Record daily precipitation | Faulkton, 77.2 mm (3.0 in) |
| 2026-07-31 | Record daily precipitation | Mount Best (Upper Toora), 80.0 mm (3.1 in) |
Notable Records
| Date | Station | Record | Value | Beat old record by | Old record stood | Significance |
|---|---|---|---|---|---|---|
| 31 July 2017 | Illalangi, AU | all-time rain | 198.0 mm (7.8 in) | 90.0 mm (3.5 in) | 104 years | 100 of 100 (Exceptional) |
| 31 July 2015 | Doodarding Well, AU | monthly rain | 52.0 mm (2.0 in) | 18.7 mm (0.7 in) | 103 years | 89 of 100 (Exceptional) |
| 31 July 2016 | Raznavolok, RU | all-time rain | 110.0 mm (4.3 in) | 39.3 mm (1.5 in) | 60 years | 86 of 100 (Exceptional) |
| 31 July 2015 | Miling, AU | all-time rain | 98.0 mm (3.9 in) | 24.3 mm (1.0 in) | 54 years | 85 of 100 (Exceptional) |
| 31 July 2015 | Burracoppin, AU | monthly rain | 65.0 mm (2.6 in) | 26.6 mm (1.0 in) | 83 years | 84 of 100 (Exceptional) |
| 31 July 2015 | Gabbin, AU | monthly rain | 82.5 mm (3.2 in) | 48.0 mm (1.9 in) | 83 years | 84 of 100 (Exceptional) |
| 31 July 2015 | Ytiniche, AU | monthly rain | 85.0 mm (3.3 in) | 40.0 mm (1.6 in) | 77 years | 83 of 100 (Exceptional) |
| 31 July 2015 | Koorda, AU | monthly rain | 56.0 mm (2.2 in) | 22.0 mm (0.9 in) | 75 years | 82 of 100 (Exceptional) |
| 31 July 2015 | Moningarin, AU | monthly rain | 74.0 mm (2.9 in) | 36.7 mm (1.4 in) | 75 years | 82 of 100 (Exceptional) |
| 31 July 1971 | Ida, ZA | monthly rain | 80.0 mm (3.1 in) | 33.0 mm (1.3 in) | 85 years | 81 of 100 (Exceptional) |
| 31 July 1983 | Avon Park 2 W, US | monthly rain | 187.2 mm (7.4 in) | 67.8 mm (2.7 in) | 74 years | 81 of 100 (Exceptional) |
| 31 July 2026 | Faulkton, US | daily rain | 77.2 mm (3.0 in) | 60.9 mm (2.4 in) | 129 years | 80 of 100 (Exceptional) |
| 31 July 2025 | Moorcroft 3S, US | daily rain | 52.8 mm (2.1 in) | 41.4 mm (1.6 in) | 122 years | 80 of 100 (Exceptional) |
| 31 July 1977 | Praha-Klementinum, CZ | daily rain | 66.5 mm (2.6 in) | 45.8 mm (1.8 in) | 116 years | 80 of 100 (Exceptional) |
| 31 July 2014 | Mount Wellington (the Springs), AU | daily rain | 134.0 mm (5.3 in) | 93.4 mm (3.7 in) | 115 years | 80 of 100 (Exceptional) |
| 31 July 1975 | Adelaide West Terrace, AU | daily rain | 36.6 mm (1.4 in) | 21.4 mm (0.8 in) | 112 years | 80 of 100 (Exceptional) |
| 31 July 2026 | Mount Best (Upper Toora), AU | daily rain | 80.0 mm (3.1 in) | 56.6 mm (2.2 in) | 104 years | 80 of 100 (Exceptional) |
| 31 July 2001 | Roseau, US | daily rain | 69.3 mm (2.7 in) | 45.7 mm (1.8 in) | 101 years | 80 of 100 (Exceptional) |
| 31 July 2015 | Aldervale, AU | daily rain | 59.2 mm (2.3 in) | 32.3 mm (1.3 in) | 100 years | 80 of 100 (Exceptional) |
| 31 July 1980 | Vladikavkaz, RU | monthly rain | 113.0 mm (4.4 in) | 43.0 mm (1.7 in) | 65 years | 79 of 100 (Major) |
Events
Storms
Download the Data
Source: NOAA National Centers for Environmental Information, Global Historical Climatology Network Daily (GHCN-Daily). Records are computed by World Extreme Weather Monitor and are not official NOAA products. (US Government open data (NOAA NCEI)) Data as of 2026-10-12 (12 October 2026). Records are computed by this site and are not official.
Data as of . Last revised (2026-10-12).