Annual mean 13°C · wettest around December · prevailing wind W
Warmest
29.5 °C
Coldest
2.9 °C
Wettest
25%
Windiest
4.3 m/s
Prevailing
W
3.3 m/s average
When this place is good five ratings · thirty-six ten-day sections · click a cell to read it
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Every reading
bars actual · line feels-like, °Cchance of rain, %wind speed, m/ssky covered, %
The average temperature in Northampton over the whole year is 13°C. July is the hottest month, with highs of about 29°C; January is the coldest, with lows of about -1°C. Northampton has no sharply defined rainy season: the chance of rain on a given day runs from 21% in October, the driest month, to 27% in December, the wettest. Winds in Northampton are highest in March, averaging 3.1 m/s (11 km/h), and lightest in July, at 1.8 m/s (6 km/h). The prevailing wind is from the W. The clearest skies in Northampton come in July, when the sky is typically 36% covered; May is the cloudiest month, at 51%.
Month by month Northampton climate by month: average temperatures year round · click a month to read it
Month
High
Low
Feels like
Chance of rain
Cloud
Wind
Being outside
Sun
Walking
January
3°C
-1°C
-2°C
23%
49%
2.8 m/s
1
0
10
February
6°C
1°C
1°C
25%
46%
2.6 m/s
3
0
20
March
9°C
3°C
4°C
24%
45%
3.1 m/s
10
0
38
April
15°C
8°C
11°C
24%
49%
2.9 m/s
32
3
63
May
20°C
14°C
18°C
26%
51%
2.4 m/s
61
18
66
June
26°C
19°C
25°C
22%
38%
2.3 m/s
61
48
35
July
29°C
22°C
31°C
24%
36%
1.8 m/s
24
64
5
August
28°C
21°C
29°C
21%
38%
1.8 m/s
40
62
15
September
24°C
17°C
24°C
22%
41%
2.0 m/s
69
39
44
October
18°C
11°C
16°C
21%
45%
2.0 m/s
57
11
74
November
11°C
5°C
7°C
22%
37%
2.4 m/s
15
0
48
December
6°C
1°C
1°C
27%
48%
2.4 m/s
2
0
18
High and low are the warmest and coolest of four readings a day — midnight, 6am, noon and 6pm — so a true overnight low can sit a degree or two under them. Chance of rain, cloud and wind are the day’s average; feels-like and the three ratings (each out of 100: Good from 55, Ideal from 80) are read at midday.
Seasons, and the year in short Northampton weather by season
Year round, Northampton has days of about 3°C at their warmest in January, its coolest month, and 29°C in July, its warmest; the coolest hours of the day run from -1°C to 22°C through the year, and the average temperature over the year is 13°C around the clock. Rain is most likely around December and least likely around October. Every figure here is a decade of observations blended into one representative year, so it reads as what this date is usually like, not a forecast for one particular day.
Northampton weather in winterDecember to February
High 5°CLow 0°CRain 25%
Winter in Northampton has typical daily highs of about 5°C and lows of about 0°C, with a 25% chance of rain on a given day.
Northampton weather in springMarch to May
High 15°CLow 8°CRain 24%
Spring in Northampton has typical daily highs of about 15°C and lows of about 8°C, with a 24% chance of rain on a given day.
Northampton weather in summerJune to August
High 28°CLow 20°CRain 22%
Summer in Northampton has typical daily highs of about 28°C and lows of about 20°C, with a 22% chance of rain on a given day.
Northampton weather in autumnSeptember to November
High 18°CLow 11°CRain 22%
Autumn in Northampton has typical daily highs of about 18°C and lows of about 11°C, with a 22% chance of rain on a given day.
When is the rainy season in Northampton?
Northampton has no sharply defined rainy season: the chance of rain on a given day runs from 21% in October, the driest month, to 27% in December, the wettest.
What time of year is Northampton windiest?
Winds in Northampton are highest in March, averaging 3.1 m/s (11 km/h), and lightest in July, at 1.8 m/s (6 km/h). The prevailing wind is from the W.
What is the average temperature in Northampton year round?
The average temperature in Northampton over the whole year is 13°C. July is the hottest month, with highs of about 29°C; January is the coldest, with lows of about -1°C.