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Weather & Climate
Helgafellssveit, Stykkishólmur, Iceland
Overview
Climate data and monthly weather averages for Helgafellssveit.
Key Metrics
Annual Avg
3.5°C
Summer Avg
9.9°C
Winter Avg
-1.3°C
Record High
24.5°C
Record Low
-13.9°C
Annual Precipitation
1353.5 mm
Avg Humidity
86%
Summer Humidity
81%
Winter Humidity
90%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 7.2° | -1.4° | -13° | 140.7 | 91% | 3 | 87.3 |
| Feb | 6.4° | -1.6° | -13.6° | 128.5 | 90% | 15 | 91.8 |
| Mar | 8.5° | -0.9° | -13.6° | 124 | 89% | 49 | 81.7 |
| Apr | 12.7° | 1.6° | -9.6° | 101.7 | 86% | 94 | 85.9 |
| May | 16.6° | 4.9° | -4° | 80 | 81% | 144 | 65.3 |
| Jun | 19.5° | 8.9° | -1.1° | 67.5 | 80% | 153 | 61.6 |
| Jul | 22.4° | 10.8° | 3.4° | 81.2 | 80% | 142 | 52.5 |
| Aug | 24.5° | 10° | 1.2° | 102.3 | 83% | 109 | 60 |
| Sep | 15.5° | 7.1° | -1.2° | 141.3 | 87% | 61 | 73.9 |
| Oct | 13° | 3.3° | -6.4° | 123.4 | 89% | 26 | 68.5 |
| Nov | 9.1° | 0.3° | -12.5° | 120.6 | 90% | 5 | 95 |
| Dec | 9° | -1° | -13.9° | 142.3 | 90% | 1 | 94.9 |
Frequently Asked Questions
Sources: NASA POWER · Last updated: 2025
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