Northampton weather forecast
UK towns · Northamptonshire, England · 52.24°N 0.90°W
Northampton, in Northamptonshire, England, has its warmest weather in August, when daytime temperatures average 21.7°C, while January nights are the coldest at around 1.9°C. The town sees roughly 769mm of rain a year; October 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 | 7.3° | 1.9° | 57mm | 11 |
| Feb | 9.4° | 3.4° | 61mm | 12 |
| Mar | 10.5° | 3.6° | 62mm | 14 |
| Apr | 13° | 4.3° | 45mm | 10 |
| May | 16.6° | 8.1° | 57mm | 12 |
| Jun | 19.9° | 11.1° | 61mm | 10 |
| Jul | 21.3° | 13.1° | 72mm | 14 |
| Aug | 21.7° | 13.4° | 52mm | 9 |
| Sep | 19.4° | 11.4° | 67mm | 11 |
| Oct | 14.9° | 8.7° | 100mm | 14 |
| Nov | 10.4° | 5.2° | 62mm | 10 |
| Dec | 8° | 3.6° | 73mm | 14 |
Seasons in Northampton
Spring (March–May). Daytime highs in Northampton climb from 10.5°C in March to 16.6°C by May, while nights ease from 3.6°C to 8.1°C. The season brings around 164mm of rain in total.
Summer (June–August). The warmest stretch of the year: afternoons average 21.0°C, peaking in August at 21.7°C. August is usually the driest of the summer months (52mm over ~9 rainy days). Around the June solstice, Northampton gets roughly 16.5 hours of daylight.
Autumn (September–November). Daytime temperatures fall from 19.4°C in September to 10.4°C by November, and rainfall builds to its annual peak — October is the wettest month of the year (100mm).
Winter (December–February). Nights average 3.0°C, with January the coldest month (average low 1.9°C, daytime high 7.3°C). Expect about 37 days with measurable rain over the three months, and only around 7.5 hours of daylight in mid-December.
How Northampton compares
| Northampton | UK town average | |
|---|---|---|
| Annual rainfall | 769mm | 1054mm |
| Rainy days per year | 141 | 167 |
| Summer daytime high | 21.0°C | 19.7°C |
| Winter night low | 3.0°C | 3.4°C |
Northampton is about 27% drier than the average for the 121 UK towns tracked on this site (1054mm), based on 2020–2024 monthly normals.
Northampton weather FAQs
What is the warmest month in Northampton?
August is typically the warmest month in Northampton, with average daytime highs of 21.7°C. Summer afternoons (June–August) average around 21.0°C.
What is the wettest month in Northampton?
October is usually the wettest month, with around 100mm of rain over roughly 14 rainy days. April is typically the driest (45mm).
How much does it rain in Northampton per year?
Northampton receives roughly 769mm of precipitation per year, spread over about 141 days with at least 1mm of rain (based on 2020–2024 observations).
How cold are winters in Northampton?
Winter nights (December–February) in Northampton average around 3.0°C, with January typically the coldest month (average low 1.9°C).
When is the best time to visit Northampton for good weather?
Late spring and summer offer the most reliable weather in Northampton. August is typically the driest of the warm months (52mm of rain), while August is the warmest, averaging 21.7°C by day — and near the June solstice there are around 17 hours of daylight to enjoy.
How does Northampton's weather compare with the rest of the UK?
Northampton receives 769mm of rain a year, about 27% drier than the average for the 121 UK towns tracked on this site (1054mm). Summer daytime highs average 21.0°C against a UK-town average of 19.7°C, and winter nights average 3.0°C versus 3.4°C.
Is it going to rain in Northampton?
For up-to-the-minute rain tracking, check the live rain radar — as a long-term guide, Northampton averages 141 rainy days a year, with October the wettest month (100mm) and April the driest (45mm).
What is the 7-day forecast for Northampton?
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.