Fort William weather in May
May in Fort William: cool, rainy, with clean air — an excellent time to visit.
#5 of 12 months in Fort William · #421 of 897 destinations to visit in May · comfort 83/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Traveller notes on Fort William in May
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Fort William climate normals — May
| Daytime high | 14°C / 56°F | 🙂 cool |
|---|---|---|
| Nighttime low | 7°C / 45°F | |
| Rainfall | 118 mm / 4.6 in | 🌧 rainy |
| Rainy days | 17 days | |
| Humidity | 83% | 💦 very humid |
| Dew point | 8°C / 47°F | |
| Sunshine | 9.4 h/day | |
| Daylight | 16.5 h | |
| Wind | 15 km/h / 9 mph | |
| Snowfall | 1.1 cm / 0.4 in | |
| Air quality (US AQI) | 36 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Fort William in May — FAQ
- Is May a good time to visit Fort William?
- May in Fort William: cool, rainy, with clean air — an excellent time to visit. It ranks #5 of 12 months for Fort William on SeasonMap's comfort score (83/100).
- What is the weather like in Fort William in May?
- In May, Fort William averages a daily high of 13.6°C and a low of 7°C, with about 117.5 mm of rain over roughly 16.8 rainy days.
- What is the air quality in Fort William in May?
- Fort William has a mean US Air Quality Index of about 36 in May.
- Does it snow in Fort William in May?
- Fort William sees roughly 1.1 cm of snowfall in May.