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Weather & Climate
Bethany Beach, Delaware, United States
Overview
Climate data and monthly weather averages for Bethany Beach.
Key Metrics
Annual Avg
14°C
Summer Avg
23.6°C
Winter Avg
4.5°C
Record High
34°C
Record Low
-12.8°C
Annual Precipitation
1258.8 mm
Avg Humidity
81%
Summer Humidity
81%
Winter Humidity
80%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 17.9° | 3.3° | -10.6° | 85.9 | 81% | 68 | 79.2 |
| Feb | 17.6° | 3.6° | -12.8° | 86.2 | 80% | 84 | 73.3 |
| Mar | 19.8° | 6.3° | -6.7° | 103.5 | 81% | 124 | 76.4 |
| Apr | 26.4° | 11° | 1° | 95.4 | 82% | 155 | 77.1 |
| May | 28.4° | 16° | 4.9° | 91.1 | 84% | 179 | 70.6 |
| Jun | 31.6° | 21.5° | 11.7° | 108.6 | 83% | 190 | 54.3 |
| Jul | 34° | 24.7° | 17.7° | 124 | 81% | 193 | 60.6 |
| Aug | 32.5° | 24.7° | 18.3° | 123.4 | 80% | 170 | 86 |
| Sep | 31.2° | 22° | 12.9° | 104.4 | 79% | 134 | 76.1 |
| Oct | 29.5° | 16.9° | 6° | 122.8 | 78% | 103 | 87.4 |
| Nov | 21.8° | 11.3° | -1° | 96 | 79% | 74 | 69.2 |
| Dec | 19.8° | 6.6° | -7.2° | 117.5 | 80% | 59 | 72.3 |
Frequently Asked Questions
Sources: NASA POWER · Last updated: 2025
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