Fort Augustus Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Fort Augustus.
Climate overview of Fort Augustus
The climate in Fort Augustus, Highlands, United Kingdom, is marked by large temperature swings across the seasons, ranging from 17°C (63°F) in July to 6°C (43°F) in January.
Rain/snowfall is high, totalling around 1488 mm (59 in) per year. January is the wettest month and April the driest. The city also experiences mild summers and cold winters. The most sunshine falls in May, with an average of 5.9 hours of daily sunshine.
Fort Augustus Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Fort Augustus - and find the best time to visit.
Monthly Temperature in Fort Augustus
In Fort Augustus, temperatures differ significantly between summer and winter months. Average maximum daytime temperatures range from a moderate 17°C (63°F) in July, the warmest time of the year, to a chilly 6°C (43°F) during cooler months like January.
At night, you can expect temperatures ranging from 10°C (50°F) in July to around 0°C (32°F) during January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Fort Augustus
Fort Augustus experiences significant rain/snowfall throughout the year, averaging 1488 mm (59 in) of precipitation annually. While snow/rainfall varies throughout the year, each season offers its own charm. January brings wetter days averaging 167 mm (6.6 in) of precipitation, spread over 23 snowy/rainy days.
In contrast, the driest month April experiences a drier climate, with about 97 mm (3.8 in) of rainfall spread across 19 rainy days. For more details, please visit our Fort Augustus Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Fort Augustus
Seasonal changes in sunshine hours are quite dramatic in Fort Augustus. While May receives considerable daily sunshine with up to 5.9 hours, December marks the darkest time of the year, where sunshine is scarce with only 0.9 hours of sunlight per day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Best Time to Visit Fort Augustus
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: May, June, July, August and September
- Warmest weather: July and August
- Most sunshine: May
- Seasonal pattern: Mild summers and cold winters
- Coldest conditions: January, with freezing nights around 0°C (32°F).
Frequently asked questions about the climate in Fort Augustus
What is the best time to visit Fort Augustus?
May, June, July, August and September typically offer the most optimal weather in Fort Augustus. In contrast, January, February, March, April, October, November and December tend to have less optimal conditions. Fort Augustus has mild summers and cold winters.
What temperatures can I expect in Fort Augustus?
Daytime highs range from 6°C (43°F) in January to 17°C (63°F) in July. Nighttime lows range from 0°C (32°F) to 10°C (50°F). Temperatures vary considerably through the year.
How much rain does Fort Augustus get?
Annual rainfall is around 1488 mm (59 in). January is the wettest month with 167 mm (6.6 in), while April is the driest with 97 mm (3.8 in). In the coldest months, precipitation may fall as snow/rain.
How sunny is Fort Augustus?
Fort Augustus receives around 1,230 hours of sunshine per year. May is the sunniest month with 178 hours, while December is the cloudiest with just 27 hours.
Fort Augustus 3-Day Forecast
Fort Augustus on the map
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Popular this month
Where to go in August - average daytime high across popular destinations.
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