Best Time to Hike West Highland Way (Rowardennan to Inverarnan)
Month-by-month temperatures and rainfall for West Highland Way (Rowardennan to Inverarnan), United Kingdom, based on 2-year climate normals.
Month-by-month weather on West Highland Way (Rowardennan to Inverarnan)
| Month | Avg high | Avg low | Rainfall | Rainy days |
|---|---|---|---|---|
| January | 4.6°C / 40°F | 1°C / 34°F | 151 mm | 15 |
| February | 6.3°C / 43°F | 2.5°C / 37°F | 209 mm | 18 |
| March | 8.9°C / 48°F | 3.3°C / 38°F | 145 mm | 18 |
| April | 11.7°C / 53°F | 4.6°C / 40°F | 150 mm | 16 |
| May | 16.6°C / 62°F | 8.9°C / 48°F | 129 mm | 15 |
| June | 15.2°C / 59°F | 9.3°C / 49°F | 156 mm | 21 |
| July | 17.4°C / 63°F | 11.5°C / 53°F | 132 mm | 19 |
| August | 17°C / 63°F | 11.7°C / 53°F | 272 mm | 22 |
| September | 14.5°C / 58°F | 8.8°C / 48°F | 122 mm | 16 |
| October | 11.7°C / 53°F | 7.8°C / 46°F | 223 mm | 19 |
| November | 7.9°C / 46°F | 4.1°C / 39°F | 190 mm | 18 |
| December | 7.1°C / 45°F | 3.7°C / 39°F | 269 mm | 21 |
Highlighted rows are the recommended hiking window. Climate normals via Open-Meteo (2-year average). Mountain weather varies — always check a live forecast before you set off.
The best months to hike West Highland Way (Rowardennan to Inverarnan) are May, July, September. Expect daytime highs around 16°C (61°F) and nights near 10°C (50°F).
Pack flexible layers and a reliable rain shell — conditions can shift quickly in the mountains.
Full route guide, interactive map and free GPX download.
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