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Glasgow Weather and Climate: A Comprehensive Guide

The climate of Scotland is temperate, and tends to be very changeable. Winters are usually cold, but don't begin till the end of October. Summers are warm and begin in the end/mid of June. The best time to visit is generally in the summer (July and August). . It can be a bit busy during this period so it is recommended to book a place to stay in advance.

Average maximum day and minimum night temperature

In Glasgow, temperatures differ significantly between summer and winter months. On average, daytime temperatures range from a pleasant 19°C in July to a chilly 8°C in December.

Nighttime temperatures can drop, with average lows reaching 2°C in December. Check out our detailed temperature page for more information.

Temperature ranges by month

Precipitation and rainy days

Glasgow experiences significant rain/snowfall throughout the year, averaging 1372 mm of precipitation annually. The wettest period in Glasgow occurs in January, which receives around 141 mm of precipitation. During the driest month, May, Glasgow experiences moderate rainfall, totaling approximately 88 mm. The consistent precipitation levels throughout the year contribute to a relatively stable climate.

The mean monthly precipitation over the year, including rain, hail and snow

Sunshine over the year

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

Forecast for Glasgow

Wed   Dec 25
11°C | 11°C
SW 8 m/s
0.2 mm
broken clouds and slight rain

broken clouds and slight rain

Thu   Dec 26
11°C | 11°C
SW 6 m/s
2.7 mm
overcast and rain

overcast and rain

Fri   Dec 27
11°C | 10°C
SW 5 m/s
1.5 mm
overcast and slight rain

overcast and slight rain

The best time of year to visit Glasgow in Scotland

Other facts from our historical weather data:
  • Which is the warmest month in Glasgow?
    July has an average maximum temperature of 19°C and is the warmest month of the year.
  • Which is the coldest month in Glasgow?
    The coldest month is December with an average maximum temperature of 8°C.
  • Which is the wettest month in Glasgow?
    January tops the wettest month list with 141 mm of rainfall.
  • Which is the driest month in Glasgow?
    May is the driest month with 88 mm of precipitation.
  • Which is the sunniest month in Glasgow?
    May is the sunniest month with an average of 188 hours of sunshine.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.