Weatheo

Blackburn Weather by Month

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

Warmest month

July

20°C average high

Coolest month

January

2°C average low

Wettest month

February

264 mm of rain

Driest month

May

66 mm of rain

Average temperature and rainfall in Blackburn 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-7°C / 14°C
120 mm
90%14 km/h
February7°C3°C-9°C / 18°C
264 mm
86%16 km/h
March10°C3°C-5°C / 20°C
105 mm
82%13 km/h
April13°C5°C-4°C / 25°C
78 mm
77%11 km/h
May16°C8°C-1°C / 31°C
66 mm
77%10 km/h
June19°C11°C2°C / 33°C
78 mm
78%10 km/h
July20°C13°C4°C / 36°C
101 mm
79%10 km/h
August20°C13°C5°C / 33°C
113 mm
80%12 km/h
September17°C10°C3°C / 28°C
117 mm
83%11 km/h
October13°C8°C-1°C / 22°C
115 mm
87%12 km/h
November10°C5°C-4°C / 17°C
119 mm
90%13 km/h
December8°C4°C-7°C / 15°C
134 mm
90%14 km/h

Best time to visit Blackburn

The most comfortable time to visit Blackburn 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 February, totalling about 1,411 mm a year.

Travellers who prefer heat should aim for July, when highs average 20°C. February is the month to avoid if rain would spoil your plans — it averages 264 mm, roughly 4× the rainfall of the driest month (May).

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

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