Daily rainfall, frost and wind for Brighton against the 10-year average — the starting point for any weather delay conversation on site.
Weather delay record
BN1 1UG · 1 Jul 2025 – 31 Jul 2025
Rainfall over this period was 147% of the 10-year average for the same calendar window at this location. Conditions were materially wetter than typical for the time of year.
Rainfall vs 10-yr avg
147%
94 mm vs 64 mm typical
Rain days >5mm
6
typical: 4.3
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 | 0.1 | 19.8 | 25.4 | 25 | |
| 2 Jul 2025 | 1.5 | 17.5 | 23.0 | 30 | |
| 3 Jul 2025 | 0.0 | 12.2 | 20.0 | 25 | |
| 4 Jul 2025 | 0.0 | 12.5 | 20.7 | 27 | |
| 5 Jul 2025 | 1.8 | 15.6 | 18.8 | 44 | |
| 6 Jul 2025 | 14.6 | 16.9 | 21.0 | 30 | wet |
| 7 Jul 2025 | 5.8 | 13.8 | 19.5 | 31 | wet |
| 8 Jul 2025 | 0.1 | 12.2 | 20.5 | 30 | |
| 9 Jul 2025 | 0.0 | 12.3 | 21.3 | 25 | |
| 10 Jul 2025 | 0.0 | 15.6 | 24.5 | 19 | |
| 11 Jul 2025 | 0.0 | 15.5 | 24.4 | 21 | |
| 12 Jul 2025 | 0.0 | 16.3 | 25.1 | 22 | |
| 13 Jul 2025 | 0.0 | 14.3 | 23.7 | 21 | |
| 14 Jul 2025 | 1.4 | 16.7 | 20.3 | 41 | |
| 15 Jul 2025 | 1.7 | 15.9 | 18.8 | 47 | |
| 16 Jul 2025 | 0.0 | 15.3 | 23.0 | 32 | |
| 17 Jul 2025 | 0.4 | 17.7 | 21.6 | 28 | |
| 18 Jul 2025 | 0.2 | 17.7 | 22.5 | 18 | |
| 19 Jul 2025 | 31.9 | 17.1 | 21.1 | 25 | wet |
| 20 Jul 2025 | 10.0 | 15.2 | 18.8 | 33 | wet |
| 21 Jul 2025 | 5.1 | 15.1 | 20.9 | 35 | wet |
| 22 Jul 2025 | 4.3 | 15.7 | 20.3 | 33 | |
| 23 Jul 2025 | 0.6 | 14.8 | 21.1 | 18 | |
| 24 Jul 2025 | 1.4 | 14.7 | 21.9 | 30 | |
| 25 Jul 2025 | 0.4 | 15.7 | 22.3 | 21 | |
| 26 Jul 2025 | 2.2 | 15.4 | 21.1 | 23 | |
| 27 Jul 2025 | 0.3 | 14.9 | 20.6 | 20 | |
| 28 Jul 2025 | 0.3 | 13.4 | 20.7 | 26 | |
| 29 Jul 2025 | 2.3 | 14.2 | 18.7 | 21 | |
| 30 Jul 2025 | 2.0 | 15.3 | 21.4 | 22 | |
| 31 Jul 2025 | 5.7 | 15.3 | 20.7 | 28 | wet |
6 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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