Annual mean 9°C · wettest around April · prevailing wind SW
Warmest
24.8 °C
Coldest
-1.1 °C
Wettest
23%
Windiest
4.8 m/s
Prevailing
SW
3.8 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 Kennebunk over the whole year is 9°C. July is the hottest month, with highs of about 25°C; January is the coldest, with lows of about -5°C. Kennebunk has no sharply defined rainy season: the chance of rain on a given day runs from 11% in September, the driest month, to 18% in April, the wettest. Winds in Kennebunk are highest in March, averaging 3.7 m/s (13 km/h), and lightest in August, at 2.3 m/s (8 km/h). The prevailing wind is from the SW. The clearest skies in Kennebunk come in August, when the sky is typically 45% covered; April is the cloudiest month, at 56%.
Month by month Kennebunk 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
-1°C
-5°C
-6°C
15%
53%
3.4 m/s
0
0
2
February
1°C
-4°C
-5°C
15%
51%
3.3 m/s
0
0
6
March
4°C
-1°C
-1°C
15%
53%
3.7 m/s
1
0
12
April
10°C
4°C
5°C
18%
56%
3.5 m/s
6
0
36
May
16°C
11°C
13°C
14%
55%
3.1 m/s
33
6
67
June
21°C
16°C
20°C
13%
51%
2.7 m/s
67
20
61
July
25°C
19°C
25°C
13%
46%
2.4 m/s
59
48
32
August
24°C
18°C
25°C
13%
45%
2.3 m/s
68
41
39
September
20°C
14°C
20°C
11%
46%
2.4 m/s
69
18
66
October
15°C
9°C
12°C
17%
54%
2.7 m/s
33
2
71
November
8°C
2°C
3°C
14%
47%
3.2 m/s
6
0
27
December
2°C
-2°C
-3°C
17%
50%
3.2 m/s
0
0
6
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 Kennebunk weather by season
Year round, Kennebunk has days of about -1°C at their warmest in January, its coolest month, and 25°C in July, its warmest; the coolest hours of the day run from -5°C to 19°C through the year, and the average temperature over the year is 9°C around the clock. Rain is most likely around April and least likely around September. 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.
Kennebunk weather in winterDecember to February
High 1°CLow -4°CRain 16%
Winter in Kennebunk has typical daily highs of about 1°C and lows of about -4°C, with a 16% chance of rain on a given day.
Kennebunk weather in springMarch to May
High 10°CLow 5°CRain 16%
Spring in Kennebunk has typical daily highs of about 10°C and lows of about 5°C, with a 16% chance of rain on a given day.
Kennebunk weather in summerJune to August
High 23°CLow 17°CRain 13%
Summer in Kennebunk has typical daily highs of about 23°C and lows of about 17°C, with a 13% chance of rain on a given day.
Kennebunk weather in autumnSeptember to November
High 14°CLow 8°CRain 14%
Autumn in Kennebunk has typical daily highs of about 14°C and lows of about 8°C, with a 14% chance of rain on a given day.
When is the rainy season in Kennebunk?
Kennebunk has no sharply defined rainy season: the chance of rain on a given day runs from 11% in September, the driest month, to 18% in April, the wettest.
What time of year is Kennebunk windiest?
Winds in Kennebunk are highest in March, averaging 3.7 m/s (13 km/h), and lightest in August, at 2.3 m/s (8 km/h). The prevailing wind is from the SW.
What is the average temperature in Kennebunk year round?
The average temperature in Kennebunk over the whole year is 9°C. July is the hottest month, with highs of about 25°C; January is the coldest, with lows of about -5°C.