Weatheo

Glasgow Weather by Month

Average temperatures, rainfall and humidity for Glasgow, United Kingdom, month by month, built from OpenWeather’s historical records. Use it to see what a typical Glasgow month looks like before you travel — then check the live Glasgow forecast for the days ahead.

Warmest month

July

19°C average high

Coolest month

January

2°C average low

Wettest month

December

125 mm of rain

Driest month

April

65 mm of rain

Average temperature and rainfall in Glasgow by month

Averages of the daily highs and lows recorded in each month, with total rainfall, mean humidity and mean wind speed.

MonthAvg highAvg lowRecord low / highRainfallHumidityWind
January7°C2°C-11°C / 14°C
112 mm
88%17 km/h
February7°C2°C-9°C / 15°C
93 mm
85%18 km/h
March9°C3°C-7°C / 19°C
93 mm
82%17 km/h
April12°C4°C-5°C / 22°C
65 mm
76%16 km/h
May15°C7°C-1°C / 27°C
79 mm
76%15 km/h
June18°C10°C4°C / 28°C
72 mm
77%14 km/h
July19°C12°C5°C / 30°C
73 mm
79%13 km/h
August18°C11°C3°C / 29°C
93 mm
82%14 km/h
September16°C9°C-1°C / 28°C
74 mm
84%14 km/h
October13°C7°C-4°C / 19°C
118 mm
86%15 km/h
November9°C4°C-6°C / 17°C
104 mm
88%14 km/h
December8°C3°C-10°C / 15°C
125 mm
88%17 km/h

Best time to visit Glasgow

The most comfortable time to visit Glasgow is generally June to August, balancing mild daytime temperatures against the driest stretch of the year. The city has a moderate seasonal swing and rain concentrates around December, totalling about 1,101 mm a year.

Travellers who prefer heat should aim for July, when highs average 19°C. December is the month to avoid if rain would spoil your plans — it averages 125 mm, roughly 2× the rainfall of the driest month (April).

Source: OpenWeather historical and statistical weather data. Values are long-term averages, not a forecast — see the Glasgow forecast for what is happening now.

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