Daily rainfall, frost and wind for Bristol against the 10-year average — the starting point for any weather delay conversation on site.
Weather delay record
BS1 4DJ · 1 Oct 2025 – 31 Oct 2025
Rainfall over this period was 80% of the 10-year average for the same calendar window at this location. Conditions were broadly in line with typical for the time of year. 3 days had gusts at or above 47 mph.
Rainfall vs 10-yr avg
80%
79 mm vs 99 mm typical
Rain days >5mm
5
typical: 6.3
Frost days
0
typical: 0.2
High-wind days
3
gusts ≥ 47 mph
Daily record
| Date | Rain (mm) | Min °C | Max °C | Gust (mph) | Flags |
|---|---|---|---|---|---|
| 1 Oct 2025 | 0.0 | 10.3 | 18.3 | 20 | |
| 2 Oct 2025 | 1.1 | 10.7 | 17.6 | 30 | |
| 3 Oct 2025 | 21.4 | 14.1 | 17.8 | 48 | wet · wind |
| 4 Oct 2025 | 4.1 | 9.6 | 14.3 | 53 | wind |
| 5 Oct 2025 | 0.1 | 10.5 | 14.9 | 37 | |
| 6 Oct 2025 | 0.0 | 10.9 | 16.4 | 29 | |
| 7 Oct 2025 | 0.0 | 10.8 | 16.0 | 22 | |
| 8 Oct 2025 | 0.5 | 9.5 | 17.0 | 17 | |
| 9 Oct 2025 | 0.0 | 7.5 | 14.9 | 14 | |
| 10 Oct 2025 | 0.2 | 9.8 | 15.0 | 8 | |
| 11 Oct 2025 | 0.0 | 8.8 | 14.0 | 12 | |
| 12 Oct 2025 | 0.0 | 5.7 | 13.6 | 16 | |
| 13 Oct 2025 | 0.0 | 8.1 | 14.9 | 22 | |
| 14 Oct 2025 | 0.0 | 11.3 | 13.5 | 20 | |
| 15 Oct 2025 | 0.0 | 9.7 | 11.5 | 18 | |
| 16 Oct 2025 | 0.0 | 9.2 | 14.2 | 18 | |
| 17 Oct 2025 | 0.0 | 10.2 | 15.4 | 17 | |
| 18 Oct 2025 | 1.7 | 9.7 | 14.1 | 30 | |
| 19 Oct 2025 | 12.2 | 11.6 | 15.2 | 36 | wet |
| 20 Oct 2025 | 5.9 | 11.7 | 15.1 | 27 | wet |
| 21 Oct 2025 | 1.4 | 10.5 | 13.8 | 30 | |
| 22 Oct 2025 | 6.6 | 8.8 | 13.7 | 20 | wet |
| 23 Oct 2025 | 4.9 | 6.8 | 11.5 | 34 | |
| 24 Oct 2025 | 3.2 | 6.8 | 11.2 | 35 | |
| 25 Oct 2025 | 0.9 | 7.4 | 10.9 | 31 | |
| 26 Oct 2025 | 0.7 | 5.5 | 11.9 | 34 | |
| 27 Oct 2025 | 0.3 | 10.3 | 12.8 | 36 | |
| 28 Oct 2025 | 1.5 | 10.5 | 13.3 | 37 | |
| 29 Oct 2025 | 3.6 | 8.6 | 11.6 | 27 | |
| 30 Oct 2025 | 0.5 | 6.2 | 13.4 | 41 | |
| 31 Oct 2025 | 8.4 | 12.4 | 14.7 | 48 | wet · wind |
5 days with rainfall over 5 mm in this period.
Data: ERA5 reanalysis via Open-Meteo, taken at the nearest model grid point to the postcode — not a Met Office station record. Baselines are the mean of the same calendar months over the previous 10 years at this location. Whether conditions meet a contractual test (e.g. JCT “exceptionally adverse weather” or an NEC 1-in-10-year event) is a matter for the contract — this is a factual weather record, not advice.
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