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Glasgow Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Glasgow.
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Climate overview of Glasgow
Glasgow Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Glasgow - and find the best time to visit.
Monthly Temperature in Glasgow
In Glasgow, temperatures differ significantly between summer and winter months. On average, daytime temperatures range from a pleasant 19°C (66°F) in July to a chilly 8°C (46°F) in January.
Nighttime temperatures range from 11°C (52°F) in July to 2°C (36°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Glasgow
Glasgow experiences significant rain/snowfall throughout the year, averaging 1372 mm (54 in) of precipitation annually. The wettest period in Glasgow occurs in January, which receives around 141 mm (5.6 in) of precipitation. During the driest month, May, Glasgow experiences moderate rainfall, totaling 88 mm (3.5 in). The consistent precipitation levels throughout the year contribute to a relatively stable climate. For more details, please visit our Glasgow 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 Glasgow
In Glasgow, summer days are longer and more sunny, with daily sunshine hours peaking at 6.3 hours in May. As the darker season arrives, the brightness of the sun becomes less. January sees a soft sun for only 1.2 hours per average day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Humidity in Glasgow by Month
The relative humidity is high throughout the year in Glasgow.
The city experiences its highest humidity in January, reaching 87%. In May, the humidity drops to its lowest level at 68%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Glasgow
For comfortable weather, consider visiting Glasgow in June. Conditions are usually least favourable in January, February, March, November and December.
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
Jan
wet
Feb
wet
Mar
wet
Apr
mixed
May
good
Jun
very good
Jul
good
Aug
good
Sep
mixed
Oct
mixed
Nov
wet
Dec
wet
- Best overall: June
- Warmest weather: July and August
- Most sunshine: May
- Seasonal pattern: Pleasant summers and cold winters
Frequently asked questions about the climate in Glasgow
What is the best time to visit Glasgow?
June typically offers the most optimal weather in Glasgow. In contrast, January, February, March, November and December tend to have less optimal conditions. Glasgow has pleasant summers and cold winters.
What temperatures can I expect in Glasgow?
Daytime highs range from 8°C (46°F) in January to 19°C (66°F) in July. Nighttime lows range from 2°C (36°F) to 11°C (52°F). Temperatures vary considerably through the year.
How much rain does Glasgow get?
Annual rainfall is around 1372 mm (54 in). January is the wettest month with 141 mm (5.6 in), while May is the driest with 88 mm (3.5 in).
How sunny is Glasgow?
Glasgow receives around 1,290 hours of sunshine per year. May is the sunniest month with 188 hours, while January is the cloudiest with just 37 hours.
Glasgow 3-Day Forecast
Glasgow on the map
Glasgow is highlighted - select any city to see its climate.
Popular in October
Where to go in October - average daytime high across popular destinations.
Glasgow
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