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Weather & Climate
Saint Johnsbury, Vermont, United States
Overview
Available climate summaries for Saint Johnsbury. Origins and reference periods are unverified; stored values may include AI estimates. Treat these as estimates until independently verified.
Key Metrics
Annual Avg
4.7°C
Summer Avg
17.3°C
Winter Avg
-8.6°C
Record High
33.8°C
Record Low
-36°C
Annual Precipitation
1163 mm
Avg Humidity
87%
Summer Humidity
83%
Winter Humidity
95%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 11.3° | -10.2° | -35.5° | 64.5 | 95% | 44 | 31.4 |
| Feb | 17.1° | -9.3° | -36° | 65.8 | 95% | 63 | 35.9 |
| Mar | 21.6° | -4.2° | -30.6° | 74.1 | 91% | 103 | 33.4 |
| Apr | 24.5° | 3.5° | -13.5° | 91.8 | 82% | 130 | 30.9 |
| May | 28.4° | 10.7° | -4.7° | 108.5 | 81% | 158 | 23 |
| Jun | 31.2° | 15.7° | 0.9° | 129.3 | 82% | 167 | 17 |
| Jul | 33.8° | 18.6° | 5.8° | 120.6 | 84% | 175 | 16.1 |
| Aug | 29.8° | 17.6° | 4.9° | 111.9 | 84% | 156 | 19.4 |
| Sep | 28.2° | 13.8° | -2.6° | 90.3 | 83% | 120 | 20 |
| Oct | 24.3° | 6.7° | -6.9° | 123.4 | 86% | 74 | 28.7 |
| Nov | 18.6° | 0° | -19.2° | 86.7 | 89% | 45 | 25.8 |
| Dec | 14.8° | -6.3° | -31.8° | 96.1 | 94% | 33 | 29.3 |
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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