Dumfries Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Dumfries.
Climate overview of Dumfries
The climate in Dumfries, Dumfries and Galloway, United Kingdom, is marked by large temperature swings across the seasons, ranging from 20°C (68°F) in July to 8°C (46°F) in January.
The city receives considerable rain/snowfall, with around 1212 mm (48 in) annually. December is the wettest month. It has pleasant summers and cold winters. May is the sunniest month, averaging 5.4 hours of sunshine per day.
Dumfries Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Dumfries - and find the best time to visit.
Monthly Temperature in Dumfries
In Dumfries, temperatures differ significantly between summer and winter months. Typically, average maximum daytime temperatures range from a pleasant 20°C (68°F) in July to a chilly 8°C (46°F) in the coolest month, January.
Nights vary from 12°C (54°F) in July to around 2°C (36°F) during the colder months.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Dumfries
Dumfries experiences significant rain/snowfall throughout the year, averaging 1212 mm (48 in) of precipitation annually. Precipitation levels in Dumfries remain relatively steady throughout the year. December has the most rain, with 120 mm (4.7 in) over 19 days. In the driest month April, this drops slightly to 81 mm (3.2 in), making the city's climate fairly predictable. For more details, please visit our Dumfries 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 Dumfries
For those who appreciate different seasons, Dumfries serves as an ideal destination. Expect longer, more sun-filled days in May with an average of 5.4 hours of sunshine daily, and embrace the darker days in January, offering only 1.3 hours of daily sunlight.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Humidity in Dumfries by Month
The city experiences its highest humidity in December, reaching 90%. In May, the humidity drops to its lowest level at 70%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Dumfries
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: July
- Warmest weather: July and August
- Most sunshine: May and June
- Seasonal pattern: Pleasant summers and cold winters
Frequently asked questions about the climate in Dumfries
What is the best time to visit Dumfries?
July typically offers the most optimal weather in Dumfries. In contrast, January, February, March, November and December tend to have less optimal conditions. Dumfries has pleasant summers and cold winters.
What temperatures can I expect in Dumfries?
Daytime highs range from 8°C (46°F) in January to 20°C (68°F) in July. Nighttime lows range from 2°C (36°F) to 12°C (54°F). Temperatures vary considerably through the year.
How much rain does Dumfries get?
Annual rainfall is around 1212 mm (48 in). December is the wettest month with 120 mm (4.7 in), while April is the driest with 81 mm (3.2 in).
How sunny is Dumfries?
Dumfries receives around 1,189 hours of sunshine per year. May is the sunniest month with 161 hours, while January is the cloudiest with just 39 hours.
Dumfries 3-Day Forecast
Dumfries on the map
Dumfries is highlighted - select any city to see its climate.
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