Our verdict
The best time to visit Fort William is April-June
The warmest month of the year in Fort William is July, where the average temperature gets to around 15℃ (59℉), but temperatures can reach as high as 17℃ (63℉) on the hottest days in summer. In the colder months such as January, temperatures usually get down to an average minimum of -0℃ (31℉).
If you’re keen to work on your tan in Fort William, you’re most likely get the longest days between sun-up and sun-down around June. To stay dry, avoid travelling to Fort William in December – It’s the wettest month of the year.
To learn everything you need to know (and none of the stuff you don’t) about when to visit Fort William, keep reading below. Plus, you’ll find tools to help you get the best deals on travel and hotels too!
Quick links: Fast facts / Seasons / Average temperatures / Monthly climate / FAQs / Map
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Fort William seasons
Before you continue, it’s important to know when the seasons are in Fort William as they might be different to yours depending on where in the world you’re travelling from. Fort William is in the Northern Hemisphere, so the seasons fall during these months:
| Season | Months |
|---|---|
| Summer | June to August |
| Autumn/fall | September to November |
| Winter | December to February |
| Spring | March to May |
Average temperatures in Fort William
If the temperature is a big factor for you to help you decide when to visit, the chart below shows the average minimum and maximum temperatures in Fort William for each month side-by-side so you can easily see the difference in weather throughout the year. To see the temperatures in both Celsius (°C) and Fahrenheit (°F), hover or tap the shaded boxes on the graph.
Fort William climate by month
If you already have a rough idea about which months you might want to travel, the section below shows a detailed breakdown of the climate in Fort William for each month so you can see if it all suits your wants and needs. Scroll down, or use the quick menu below to jump to your preferred month.
Jump to:
Fort William in January
- Average temperature: 2℃ (35℉)
- Average high temperature: 3℃ (37℉)
- Average low temperature: -0℃ (32℉)
- Average humidity: 92%
- Average sunny days: 6 days
- Average rainfall: 129mm (5") over 20 days
- Average snow days: 5 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Fort William in January, make sure you pack a thick snow/winter jacket, thermals and some extra layers as it's always very cold.
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Fort William in February
- Average temperature: 2℃ (35℉)
- Average high temperature: 3℃ (38℉)
- Average low temperature: -0℃ (31℉)
- Average humidity: 91%
- Average sunny days: 7 days
- Average rainfall: 106mm (4") over 17 days
- Average snow days: 6 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Fort William in February, make sure you pack a thick snow/winter jacket, thermals and some extra layers as it's always very cold.
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Fort William in March
- Average temperature: 3℃ (38℉)
- Average high temperature: 6℃ (42℉)
- Average low temperature: 1℃ (33℉)
- Average humidity: 88%
- Average sunny days: 8 days
- Average rainfall: 105mm (4") over 21 days
- Average snow days: 3 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Fort William in March, make sure you pack a thick snow/winter jacket, thermals and some extra layers as it's always very cold.
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Fort William in April
- Average temperature: 6℃ (43℉)
- Average high temperature: 9℃ (48℉)
- Average low temperature: 3℃ (37℉)
- Average humidity: 83%
- Average sunny days: 9 days
- Average rainfall: 47mm (2") over 19 days
- Average snow days: 1 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Fort William in April, make sure you pack a thick snow/winter jacket, thermals and some extra layers as it's always very cold.
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Fort William in May
- Average temperature: 9℃ (47℉)
- Average high temperature: 11℃ (53℉)
- Average low temperature: 5℃ (41℉)
- Average humidity: 83%
- Average sunny days: 7 days
- Average rainfall: 70mm (3") over 21 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Fort William in May, make sure you pack a thick snow/winter jacket, thermals and some extra layers as it's always very cold.
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Fort William in June
- Average temperature: 11℃ (52℉)
- Average high temperature: 14℃ (57℉)
- Average low temperature: 7℃ (45℉)
- Average humidity: 87%
- Average sunny days: 6 days
- Average rainfall: 50mm (2") over 22 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Fort William in June, make sure you pack a warm jacket or coat.
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Fort William in July
- Average temperature: 12℃ (54℉)
- Average high temperature: 15℃ (59℉)
- Average low temperature: 9℃ (48℉)
- Average humidity: 89%
- Average sunny days: 4 days
- Average rainfall: 70mm (3") over 24 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Fort William in July, make sure you pack a warm jacket or coat.
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Fort William in August
- Average temperature: 11℃ (53℉)
- Average high temperature: 14℃ (58℉)
- Average low temperature: 8℃ (47℉)
- Average humidity: 90%
- Average sunny days: 4 days
- Average rainfall: 88mm (3") over 25 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Fort William in August, make sure you pack a warm jacket or coat.
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Fort William in September
- Average temperature: 10℃ (50℉)
- Average high temperature: 13℃ (55℉)
- Average low temperature: 7℃ (45℉)
- Average humidity: 91%
- Average sunny days: 6 days
- Average rainfall: 77mm (3") over 21 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Fort William in September, make sure you pack a warm jacket or coat.
Fort William in October
- Average temperature: 7℃ (45℉)
- Average high temperature: 10℃ (49℉)
- Average low temperature: 5℃ (41℉)
- Average humidity: 91%
- Average sunny days: 8 days
- Average rainfall: 107mm (4") over 21 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Fort William in October, make sure you pack a warm jacket or coat.
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Fort William in November
- Average temperature: 4℃ (39℉)
- Average high temperature: 6℃ (43℉)
- Average low temperature: 2℃ (36℉)
- Average humidity: 92%
- Average sunny days: 8 days
- Average rainfall: 80mm (3") over 19 days
- Average snow days: 1 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Fort William in November, make sure you pack a thick snow/winter jacket, thermals and some extra layers as it's always very cold.
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Fort William in December
- Average temperature: 2℃ (36℉)
- Average high temperature: 4℃ (39℉)
- Average low temperature: 0℃ (32℉)
- Average humidity: 92%
- Average sunny days: 6 days
- Average rainfall: 133mm (5") over 22 days
- Average snow days: 4 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Fort William in December, make sure you pack a thick snow/winter jacket, thermals and some extra layers as it's always very cold.
Add visitor or local insider tips >