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 Jul 2025 – 31 Jul 2025
Rainfall over this period was 75% 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.
Rainfall vs 10-yr avg
75%
51 mm vs 69 mm typical
Rain days >5mm
2
typical: 4.5
Frost days
0
typical: 0.0
High-wind days
0
gusts ≥ 47 mph
Daily record
| Date | Rain (mm) | Min °C | Max °C | Gust (mph) | Flags |
|---|---|---|---|---|---|
| 1 Jul 2025 | 0.0 | 17.5 | 24.9 | 24 | |
| 2 Jul 2025 | 0.2 | 15.2 | 21.9 | 32 | |
| 3 Jul 2025 | 0.0 | 11.4 | 21.1 | 26 | |
| 4 Jul 2025 | 0.0 | 13.1 | 22.0 | 35 | |
| 5 Jul 2025 | 4.5 | 16.0 | 19.8 | 37 | |
| 6 Jul 2025 | 1.4 | 15.9 | 21.2 | 34 | |
| 7 Jul 2025 | 2.0 | 13.1 | 21.9 | 33 | |
| 8 Jul 2025 | 0.0 | 12.1 | 21.1 | 29 | |
| 9 Jul 2025 | 0.0 | 12.9 | 25.6 | 23 | |
| 10 Jul 2025 | 0.0 | 15.8 | 29.1 | 21 | |
| 11 Jul 2025 | 0.0 | 18.0 | 32.5 | 19 | |
| 12 Jul 2025 | 0.0 | 18.1 | 31.8 | 23 | |
| 13 Jul 2025 | 0.0 | 17.5 | 28.9 | 24 | |
| 14 Jul 2025 | 0.7 | 16.3 | 22.8 | 36 | |
| 15 Jul 2025 | 8.4 | 14.0 | 18.9 | 44 | wet |
| 16 Jul 2025 | 0.5 | 14.5 | 22.1 | 31 | |
| 17 Jul 2025 | 1.9 | 17.2 | 22.7 | 27 | |
| 18 Jul 2025 | 0.7 | 16.9 | 22.3 | 21 | |
| 19 Jul 2025 | 0.8 | 16.1 | 23.2 | 25 | |
| 20 Jul 2025 | 3.6 | 14.3 | 20.1 | 31 | |
| 21 Jul 2025 | 0.6 | 11.0 | 19.8 | 30 | |
| 22 Jul 2025 | 0.8 | 15.5 | 20.7 | 27 | |
| 23 Jul 2025 | 1.1 | 14.2 | 21.4 | 22 | |
| 24 Jul 2025 | 0.8 | 12.9 | 22.8 | 21 | |
| 25 Jul 2025 | 0.0 | 14.5 | 23.5 | 26 | |
| 26 Jul 2025 | 0.9 | 16.5 | 22.8 | 27 | |
| 27 Jul 2025 | 1.2 | 14.5 | 19.0 | 17 | |
| 28 Jul 2025 | 0.3 | 12.9 | 21.9 | 24 | |
| 29 Jul 2025 | 3.7 | 14.0 | 22.2 | 23 | |
| 30 Jul 2025 | 0.2 | 14.9 | 22.0 | 31 | |
| 31 Jul 2025 | 17.1 | 15.8 | 21.1 | 25 | wet |
2 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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