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Best time to visit · United Kingdom
On the climate data, the best time to visit Fort William is June – August, scoring up to 69/100 with highs around 64°F (18°C) and 5.8 in (148 mm) of rain in July. April & May and September are good shoulder-season months. The toughest months are December & January, mainly because of cool days.
Highs run from 42°F to 64°F across the year, and the yearly total is about 71.5 in (1815 mm) of rain.
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high | 42°F6°C | 42°F6°C | 45°F7°C | 51°F11°C | 57°F14°C | 61°F16°C | 64°F18°C | 63°F17°C | 59°F15°C | 53°F12°C | 47°F8°C | 43°F6°C |
| Avg low | 36°F2°C | 35°F2°C | 37°F3°C | 40°F5°C | 45°F7°C | 50°F10°C | 53°F12°C | 52°F11°C | 49°F10°C | 45°F7°C | 40°F5°C | 37°F3°C |
| Rain | 7.5 in191 mm | 5.5 in140 mm | 5.3 in134 mm | 3.9 in100 mm | 4.9 in125 mm | 5.2 in131 mm | 5.8 in148 mm | 6.5 in166 mm | 6.0 in152 mm | 7.0 in177 mm | 6.6 in167 mm | 7.2 in184 mm |
| Humidity | 96% | 95% | 93% | 89% | 86% | 87% | 88% | 90% | 92% | 94% | 96% | 96% |
| Cloud | 83% | 81% | 79% | 76% | 76% | 83% | 83% | 82% | 79% | 79% | 81% | 80% |
| Comfort | 27 | 34 | 40 | 55 | 62 | 66 | 69 | 65 | 61 | 48 | 38 | 31 |
Source: NASA POWER (public domain), 2001–2025 monthly averages on a ~50 km satellite and reanalysis grid, so coasts and valleys can differ from what's shown. Temperatures were adjusted from the grid cell's ~382 m (1,253 ft) to Fort William's ~9 m (30 ft) elevation using the standard lapse rate of 6.5°C per 1,000 m. Precipitation includes snow as melted water; daylight is calculated from latitude. Check a forecast before you go.
The cold peaks here: highs near 43°F (6°C), and nights reach 35°F (2°C). It's the wettest season, with about 20.3 in (515 mm) of rain, 28% of the year's total. It holds the toughest stretch on our comfort score (December & January), averaging 31/100.
Temperatures climb through the season, from 45°F highs in March to 57°F by May. It's the driest season, with only about 14.1 in (359 mm) of rain, 20% of the year's total. Lows bottom out around 37°F (3°C). April & May score well without being the very best (season average 52/100).
The warmest stretch of the year, with highs of 61–64°F (16–18°C). About 17.5 in (445 mm) of rain falls across these months, 25% of the year's total. Lows bottom out around 50°F (10°C). Comfort peaks here: June – August rank with the year's best, and the season averages 67/100.
Temperatures slide from 59°F highs in September to 47°F by November. About 19.5 in (496 mm) of rain falls across these months, 27% of the year's total. Lows bottom out around 40°F (5°C). September score well without being the very best (season average 49/100).
By comfort score: 5 Good, 2 Fair and 5 Tough. Tap a month for its own guide.
On the climate data, the best time to visit Fort William is June – August, scoring up to 69/100 with highs around 64°F (18°C) and 5.8 in (148 mm) of rain in July. April & May and September are good shoulder-season months. The toughest months are December & January, mainly because of cool days.
January is the wettest month, averaging about 7.5 in (191 mm) of rain. April is the driest, with about 3.9 in (100 mm). The yearly total is around 71.5 in (1815 mm).
February is the coldest, with average lows of 35°F (2°C) and highs of 42°F (6°C). The warmest is July, with average highs of 64°F (18°C).
Not very: summer (June – August) humidity averages 88%, and highs peak around 64°F (18°C), so it rarely feels sticky.
Not on average: even in February, the coldest month, lows average 35°F (2°C). Individual cold snaps can still dip lower.
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