Blackburn weather forecast
UK towns · Lancashire, England · 53.75°N 2.48°W
Blackburn, in Lancashire, England, has its warmest weather in August, when daytime temperatures average 18.1°C, while January nights are the coldest at around 1.7°C. The town sees roughly 1543mm of rain a year; February is normally the wettest month and April the driest. Figures are averaged from 2020–2024 observations.
Climate averages
| Month | Avg high | Avg low | Rain | Rain days |
|---|---|---|---|---|
| Jan | 6.1° | 1.7° | 149mm | 17 |
| Feb | 7.4° | 2.7° | 177mm | 20 |
| Mar | 9° | 2.8° | 116mm | 15 |
| Apr | 11.1° | 3.6° | 86mm | 12 |
| May | 14.5° | 7.4° | 91mm | 16 |
| Jun | 17.4° | 10.1° | 99mm | 16 |
| Jul | 17.7° | 11.8° | 145mm | 20 |
| Aug | 18.1° | 12° | 131mm | 20 |
| Sep | 16.4° | 10.4° | 106mm | 14 |
| Oct | 12.8° | 8° | 161mm | 21 |
| Nov | 9° | 4.7° | 118mm | 18 |
| Dec | 6.7° | 2.8° | 164mm | 20 |
Seasons in Blackburn
Spring (March–May). Daytime highs in Blackburn climb from 9°C in March to 14.5°C by May, while nights ease from 2.8°C to 7.4°C. The season brings around 293mm of rain in total.
Summer (June–August). The warmest stretch of the year: afternoons average 17.7°C, peaking in August at 18.1°C. June is usually the driest of the summer months (99mm over ~16 rainy days). Around the June solstice, Blackburn gets roughly 16.8 hours of daylight.
Autumn (September–November). Daytime temperatures fall from 16.4°C in September to 9°C by November, with around 385mm of rain across the season.
Winter (December–February). Nights average 2.4°C, with January the coldest month (average low 1.7°C, daytime high 6.1°C). Expect about 57 days with measurable rain over the three months, and only around 7.2 hours of daylight in mid-December.
How Blackburn compares
| Blackburn | UK town average | |
|---|---|---|
| Annual rainfall | 1543mm | 1054mm |
| Rainy days per year | 209 | 167 |
| Summer daytime high | 17.7°C | 19.7°C |
| Winter night low | 2.4°C | 3.4°C |
Blackburn is about 46% wetter than the average for the 121 UK towns tracked on this site (1054mm), based on 2020–2024 monthly normals.
Blackburn weather FAQs
What is the warmest month in Blackburn?
August is typically the warmest month in Blackburn, with average daytime highs of 18.1°C. Summer afternoons (June–August) average around 17.7°C.
What is the wettest month in Blackburn?
February is usually the wettest month, with around 177mm of rain over roughly 20 rainy days. April is typically the driest (86mm).
How much does it rain in Blackburn per year?
Blackburn receives roughly 1543mm of precipitation per year, spread over about 209 days with at least 1mm of rain (based on 2020–2024 observations).
How cold are winters in Blackburn?
Winter nights (December–February) in Blackburn average around 2.4°C, with January typically the coldest month (average low 1.7°C).
When is the best time to visit Blackburn for good weather?
Late spring and summer offer the most reliable weather in Blackburn. June is typically the driest of the warm months (99mm of rain), while August is the warmest, averaging 18.1°C by day — and near the June solstice there are around 17 hours of daylight to enjoy.
How does Blackburn's weather compare with the rest of the UK?
Blackburn receives 1543mm of rain a year, about 46% wetter than the average for the 121 UK towns tracked on this site (1054mm). Summer daytime highs average 17.7°C against a UK-town average of 19.7°C, and winter nights average 2.4°C versus 3.4°C.
Is it going to rain in Blackburn?
For up-to-the-minute rain tracking, check the live rain radar — as a long-term guide, Blackburn averages 209 rainy days a year, with February the wettest month (177mm) and April the driest (86mm).
What is the 7-day forecast for Blackburn?
See the live hourly and 7-day forecast for day-by-day temperatures and rain chance. The figures on this page are long-term climate averages from 2020–2024, not the live forecast.