Extreme rain in Mexico, 18 August 2026
Extreme rain in Mexico, 18 August 2026: 7 records at 7 stations, peak on 18 August 2026. Closed.
Data as of . Last revised (2026-10-18).
Key Facts
- Extreme rain in Mexico, 18 August 2026 set or tied 7 station records at 7 stations.
- It ran from 18 August 2026 to 18 August 2026 (1 days) and its peak day was 18 August 2026.
- Status: closed.
- Chilpancingo Ro. set a monthly record daily precipitation of 115.7 mm (4.6 in) on 18 August 2026.
- The busiest day was 18 August 2026 with 7 records.
- The oldest broken record in the ranked list had stood for 44 years.
Footprint
18 to 18 August 2026| Station | Type | Value | Date |
|---|---|---|---|
| Chilpancingo Ro. | Record daily precipitation | 115.7 mm (4.6 in) | 2026-08-18 |
| Mexico City | Record daily precipitation | 54.7 mm (2.2 in) | 2026-08-18 |
| Jalapa Ver. | Record daily precipitation | 70.0 mm (2.8 in) | 2026-08-18 |
| Tulancingo Hgo. | Record daily precipitation | 44.1 mm (1.7 in) | 2026-08-18 |
| Huajuapan de Leon (Dge) | Record daily precipitation | 27.1 mm (1.1 in) | 2026-08-18 |
| Tlaxcala de Xicontecatl (Dge) | Record daily precipitation | 42.7 mm (1.7 in) | 2026-08-18 |
| Hacienda Ylang Ylang Veracruz | Record daily precipitation | 138.3 mm (5.4 in) | 2026-08-18 |
Records per Day
Peak day 7| Date | Records |
|---|---|
| 2026-08-18 | 7 |
Top Records by Margin
Margin over the record replaced| Jalapa Ver., 08-18 | |
|---|---|
| Chilpancingo Ro., 08-18 | |
| Tulancingo Hgo., 08-18 | |
| Hacienda Ylang Ylang Veracruz, 08-18 | |
| Mexico City, 08-18 | |
| Tlaxcala de Xicontecatl (Dge), 08-18 | |
| Huajuapan de Leon (Dge), 08-18 |
Margin is how far the new value is beyond the record it replaced. Ties are not shown.
Margin Against Age of the Broken Record
| Margin (mm) | Years the old record stood |
|---|---|
| 30 | 23 |
| 25 | 28 |
| 45 | 12 |
| 27 | 16 |
| 8 | 44 |
| 12 | 23 |
| 27 | 13 |
Compared With Other Events
Station records per event| Extreme rain in United States and Mexico, 23 February to 15 March 2019 | |
|---|---|
| Extreme rain in United States, 3 to 19 January 2024 | |
| Extreme rain in Australia, 7 to 26 March 2021 | |
| Extreme rain in United States and Mexico, 29 September to 19 October 2018 | |
| Extreme rain in United States, 19 December 2022 to 13 January 2023 | |
| Extreme rain in Mexico, 18 August 2026 (this event) |
Every Record Set
7 of 7| Date | Station | Record | Value | Margin | Years stood | Significance |
|---|---|---|---|---|---|---|
| 2026-08-18 | Chilpancingo Ro. | Record daily precipitation | 115.7 mm (4.6 in) | 29.6 mm (1.2 in) | 23 | 55 of 100 (Notable) |
| 2026-08-18 | Mexico City | Record daily precipitation | 54.7 mm (2.2 in) | 25.0 mm (1.0 in) | 28 | 39 of 100 (Notable) |
| 2026-08-18 | Jalapa Ver. | Record daily precipitation | 70.0 mm (2.8 in) | 44.9 mm (1.8 in) | 12 | 33 of 100 (Routine) |
| 2026-08-18 | Tulancingo Hgo. | Record daily precipitation | 44.1 mm (1.7 in) | 26.8 mm (1.1 in) | 16 | 30 of 100 (Routine) |
| 2026-08-18 | Huajuapan de Leon (Dge) | Record daily precipitation | 27.1 mm (1.1 in) | 8.0 mm (0.31 in) | 44 | 25 of 100 (Routine) |
| 2026-08-18 | Tlaxcala de Xicontecatl (Dge) | Record daily precipitation | 42.7 mm (1.7 in) | 11.7 mm (0.5 in) | 23 | 24 of 100 (Routine) |
| 2026-08-18 | Hacienda Ylang Ylang Veracruz | Record daily precipitation | 138.3 mm (5.4 in) | 26.5 mm (1.0 in) | 13 | 19 of 100 (Routine) |
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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 2026-10-18. Events are found by this site from station records and are not official designations. Records are provisional until reprocessed.