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Weather & Climate
St. Day, Cornwall, United Kingdom
Overview
Available climate summaries for St. Day. Origins and reference periods are unverified; stored values may include AI estimates. Treat these as estimates until independently verified.
Key Metrics
Annual Avg
12.2°C
Summer Avg
16.1°C
Winter Avg
8.9°C
Record High
23.5°C
Record Low
-0.1°C
Annual Precipitation
1036.8 mm
Avg Humidity
84%
Summer Humidity
84%
Winter Humidity
84%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 13.2° | 8.8° | 1.5° | 109.7 | 84% | 25 | 81.5 |
| Feb | 12.7° | 8.2° | 0.4° | 88.5 | 84% | 45 | 87.5 |
| Mar | 13.8° | 8.6° | -0.1° | 81.5 | 85% | 87 | 86 |
| Apr | 17.1° | 10° | 3° | 63 | 84% | 134 | 70.7 |
| May | 19.2° | 12.1° | 6.6° | 63.9 | 85% | 168 | 65.5 |
| Jun | 21.3° | 14.8° | 9.5° | 66.9 | 85% | 174 | 79.3 |
| Jul | 23.5° | 16.6° | 12.1° | 79.4 | 84% | 166 | 68.9 |
| Aug | 22.9° | 16.8° | 12.8° | 79.7 | 84% | 141 | 62.7 |
| Sep | 20.8° | 15.6° | 10.2° | 59.1 | 85% | 104 | 67.3 |
| Oct | 18.2° | 13.6° | 6.3° | 110.4 | 85% | 61 | 78.7 |
| Nov | 16.2° | 11.3° | 3° | 119.1 | 84% | 31 | 82.9 |
| Dec | 14.4° | 9.7° | 2.2° | 115.6 | 84% | 20 | 88 |
Data sources
Estimates and unverified origins
Oyster List climate data - Climate origins are unverified. Available methods include historical APIs and AI estimates; stored rows do not identify the original dataset, reference period, or model for each value. Treat these summaries as estimates until independently verified. Record updated 2026-03-22.
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