Unlock deeper multi-jurisdiction research
Full sub-pages, saves, and alerts are available on paid plans.
Weather & Climate
Eilean Siar, Outer Hebrides, United Kingdom
Overview
Climate data and monthly weather averages for Eilean Siar.
Key Metrics
Annual Avg
9.7°C
Summer Avg
13.1°C
Winter Avg
6.8°C
Record High
21.5°C
Record Low
-0.9°C
Annual Precipitation
1507.2 mm
Avg Humidity
84%
Summer Humidity
86%
Winter Humidity
83%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 11.7° | 6.7° | 1.1° | 163.4 | 83% | 11 | 133.8 |
| Feb | 11.4° | 6.2° | -0.9° | 118.4 | 83% | 27 | 101 |
| Mar | 11.4° | 6.6° | -0.7° | 114.1 | 83% | 65 | 98.5 |
| Apr | 15.7° | 8° | 1.9° | 81.6 | 83% | 111 | 76.5 |
| May | 20.8° | 9.8° | 3.7° | 93 | 83% | 149 | 81.4 |
| Jun | 19.7° | 12° | 6.8° | 96 | 85% | 145 | 74.5 |
| Jul | 21.5° | 13.5° | 9.3° | 113.1 | 86% | 136 | 75 |
| Aug | 20.8° | 13.8° | 9.3° | 128.3 | 86% | 110 | 75.9 |
| Sep | 17.5° | 12.9° | 7.6° | 127.2 | 85% | 71 | 77.3 |
| Oct | 15.5° | 11° | 4.1° | 160.6 | 84% | 39 | 86.7 |
| Nov | 13.7° | 8.9° | 2.3° | 149.4 | 83% | 15 | 88.5 |
| Dec | 12.3° | 7.5° | 0.5° | 162.1 | 83% | 8 | 106.7 |
Frequently Asked Questions
Sources: NASA POWER · Last updated: 2025
Subscribe to unlock the full sub-page depth for additional jurisdictions.
You can keep discovering Oyster publicly, but full multi-jurisdiction depth, tracking, alerts, and exports are part of paid access.