The best times to visit Fort William for ideal weather are

June 25th to August 5th

based on average temperature and humidity from NOAA (the National Oceanic and Atmospheric Administration). Read below for more weather and travel details.



Other Fort William Travel Info

Weather in Fort William


Average temperatures in Fort William vary somewhat. Considering humidity, temperatures feel cold for most of the year with a chance of rain or snow throughout most of the year. The area is far less temperate than some — in the 3rd percentile for pleasant weather — compared to tourist destinations worldwide. Weeks with ideal weather are listed above. If you’re looking for the very warmest time to visit Fort William, the hottest months are July, August, and then June. See average monthly temperatures below. The warmest time of year is generally late July where highs are regularly around 65°F (18.3°C) with temperatures rarely dropping below 47.5°F (8.6°C) at night.

Fort William Temperatures (Fahrenheit)


Fort William Temperatures (Celsius)


“Feels-Like” Temperatures

The way we experience weather isn’t all about temperature. Higher temperatures affect us much more at higher humidity, and colder temperatures feel piercing with high winds. Our perceived temperatures factor in humidity and wind chill to better represent how hot or cold the day feels to a person.

Fort William Perceived Temperature (F)


Fort William Perceived Temperature (C)



Average Fort William Temperatures by Month

Daily highs (averaged for the month) usually give the best indication of the weather. A significantly lower mean and low generally just means it gets colder at night.

Show Fahrenheit

Month Avg. High (°F) Avg. Mean (°F) Avg. Low (°F)
Jan 41.3 36.9 31.3
Feb 42.5 37 30.6
Mar 45.7 39.2 31.8
Apr 52.2 44.1 34.8
May 56.2 48.1 38.7
Jun 60.7 53 43.8
Jul 63.4 55.8 46.9
Aug 61.3 54.4 46.3
Sep 58.2 51.6 43.3
Oct 52.7 46.8 38.7
Nov 46.5 41.4 35.1
Dec 41.3 35.9 29.1

Show Celsius

Month Avg. High (°C) Avg. Mean (°C) Avg. Low (°C)
Jan 5.2 2.7 -0.4
Feb 5.8 2.8 -0.8
Mar 7.6 4 -0.1
Apr 11.2 6.7 1.6
May 13.4 8.9 3.7
Jun 15.9 11.7 6.6
Jul 17.4 13.2 8.3
Aug 16.3 12.4 7.9
Sep 14.6 10.9 6.3
Oct 11.5 8.2 3.7
Nov 8.1 5.2 1.7
Dec 5.2 2.2 -1.6



Precipitation (Rain or Snow)

If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Fort William are June, April, and then May. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around mid April. For example, on the week of April 16th there is 1 day of precipitation on average. By contrast, it’s most likely to rain or snow in late October with an average of 5 days of significant precipitation the week of October 22nd.

When can you find snow in Fort William? Weather stations report a good amount of seasonal snow likely to be deepest around January, especially close to late January and early February. The best time to ski (if at all) in Fort William is often around around January 15th when fresh powder is deepest. Please note that a value of 0 for snow in the graph below may either mean there was no snow, or that snow is unreported.

Chance of Precipitation

The graph below shows the % chance of rainy and snowy days in Fort William.

Days with precipitation

Snow on the Ground

The graph below shows the average snow on the ground in Fort William (in).

Snow depth

Average Rain and Snow by Month

Show Inches

Month Daily Chance of Rain Average Snow Depth (in) Total Precipitation (in)
Jan 57% 4 10
Feb 43% 2.8 5.9
Mar 44% 2.3 6.2
Apr 36% 0.9 4.1
May 38% 0 4.6
Jun 25% 0 2.7
Jul 39% 0 4.1
Aug 44% 0 4.9
Sep 38% 0 4.4
Oct 52% 0 7.8
Nov 54% 1.5 8.6
Dec 54% 1.6 10.1

Show Centimeters

Month Daily Chance of Rain Average Snow Depth (cm) Total Precipitation (cm)
Jan 57 10.2 25.4
Feb 43 7.1 15
Mar 44 5.8 15.7
Apr 36 2.3 10.4
May 38 0 11.7
Jun 25 0 6.9
Jul 39 0 10.4
Aug 44 0 12.4
Sep 38 0 11.2
Oct 52 0 19.8
Nov 54 3.8 21.8
Dec 54 4.1 25.7


Humidity and Wind

Fort William has some very humid months, and above average humidity throughout the year. The least humid month is May (66.7% relative humidity), and the most humid month is December (78.9%).

Wind in Fort William is usually calm. The windiest month is January, followed by March and December. January’s average wind speed of around 7.7 knots (8.8 MPH or 14.2 KPH) is considered “a gentle breeze.” Maximum sustained winds (the highest speed for the day lasting more than a few moments) are at their highest in mid January where average top sustained speeds reach 15.4 knots, which is considered a moderate breeze.

Relative Humidity (%)

The graph below shows the average % humidity by month in Fort William.

Avg. Relative Humidity


The graph below shows wind speed (max and average) in knots.

Max Sustained Wind
Average Daily Wind

Average Wind Speeds

Show Wind Speeds

All wind speeds are in knots. 1 knot = 1.15 MPH or 1.85 KPH.

Month Avg. Wind Avg. Wind Feel Sustained High Wind High Wind Feel
Jan 7.7 Gentle breeze 14.3 Significant breeze
Feb 6.7 Light breeze 12.5 Significant breeze
Mar 7 Gentle breeze 13 Significant breeze
Apr 6.1 Light breeze 11.5 Significant breeze
May 6.3 Light breeze 11.8 Significant breeze
Jun 5.3 Light breeze 10.2 Gentle breeze
Jul 5.2 Light breeze 10 Significant breeze
Aug 5.4 Light breeze 10.4 Gentle breeze
Sep 5.7 Light breeze 10.9 Significant breeze
Oct 6.2 Light breeze 11.8 Significant breeze
Nov 6.3 Light breeze 12.1 Significant breeze
Dec 6.8 Light breeze 13.9 Significant breeze

Show Relative Humidity by Month

Month Avg. Relative Humidity
Jan 75.6%
Feb 76.6%
Mar 72.6%
Apr 67.9%
May 66.7%
Jun 69.2%
Jul 73.3%
Aug 75.8%
Sep 75.5%
Oct 76.5%
Nov 78.1%
Dec 78.9%


Is it Safe to Travel to Fort William?

Our best data indicates this area is somewhat safe. As of Oct 07, 2019 there are travel warnings for the United Kingdom; exercise a high degree of caution. Check this page for any recent changes or regions to avoid: Travel Advice and Advisories. This advisory was last updated on Sep 06, 2019.


The Busiest and Least Crowded Months

The busiest month for tourism in Fort William, the United Kingdom is July, followed by January and September. Prices for hotels and flights will be most expensive during these months, though you can save if you purchase well in advance. Tourists are unlikely to visit Fort William in December. Those willing to visit at these times will likely find it the least expensive month.

Estimated Tourism by Month


Most Popular Months to Visit

Tourists Seeking Accommodations

Tourism graph is based on Google searches for services used by tourists relative to the rest of the year. Tourism data for this area is extrapolated based on nearby areas. Displayed data is calculated relative to the peak, so a score of 66.4 in December means 66.4% of the tourists vs. July.



Overall Fort William Travel Experience by Season

Spring (March through May)

Humidity and temperatures combine to make this season feel moderately cold. Highs range from 60.2°F (15.7°C) and 44.3°F (6.8°C) with warmer temperatures in the later months. Rain is very common with 11 to 14 days of significant precipitation per month. Spring is the slowest for tourism, which makes it a good time for those looking for deals.

Summer (June through August)

The middle-year months have cold weather with high temperatures that are brisk. These months see the least precipitation with 8 to 14 days of precipitation per month. June – August is the busiest season for tourism in Fort William, so lodging and other accommodations may cost more than usual.

Fall (September through November)

Fall daily highs range from 60°F (15.6°C) and 42.3°F (5.7°C), which will feel chilly given the humidity and wind. It rains or snows a great amount: 11 to 16 days per month. Tourism is fairly slow during these months due to the weather, so hotels may be lower priced.

Winter (December through February)

Weather is too cold this time of year in Fort William to be enjoyable for warm weather travelers. The average high during this season is between 44.3°F (6.8°C) and 40.1°F (4.5°C). On average, it rains or snows a very great amount: 12 to 18 times per month. These times of year are the second busiest with tourists.


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