Kennebunk (ME) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Kennebunk.
Climate overview of Kennebunk
Temperatures in Kennebunk, Maine, United States of America, vary greatly throughout the year. July is the hottest month at 26°C (79°F), while January is the coldest at 1°C (34°F).
Rain/snowfall is high, totalling around 1317 mm (52 in) per year. June is the wettest month and January the driest. The city also experiences warm summers and very cold winters. The sunniest month is July, with 9.3 hours of sunshine per day on average.
Kennebunk Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Kennebunk - and find the best time to visit.
Monthly Temperature in Kennebunk
The climate in Kennebunk is known for significant temperature differences throughout the year, making the weather dynamic. Average maximum daytime temperatures range from a comfortable 26°C (79°F) in July, the warmest time of the year, to a very cold 1°C (34°F) during cooler months like January.
At night, you can expect temperatures ranging from 16°C (61°F) in July to around -10°C (14°F) during January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Kennebunk
Kennebunk has a notably wet climate with abundant precipitation, recording 1317 mm (52 in) of rain/snowfall per year. While rainfall varies throughout the year, each season offers its own charm. June brings wetter days averaging 139 mm (5.5 in) of precipitation, spread over 15 rainy days.
In contrast, the driest month January experiences a drier climate, with about 84 mm (3.3 in) of snowfall spread across 12 snowy days. For more details, please visit our Kennebunk Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Kennebunk
Seasonal changes in sunshine hours are quite dramatic in Kennebunk. While July receives considerable daily sunshine with up to 9.3 hours, December marks the darkest time of the year, where sunshine is scarce with only 4.7 hours of sunlight per day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Humidity in Kennebunk by Month
The relative humidity is high throughout the year in Kennebunk.
The city experiences its highest humidity in September, reaching 77%. In February, the humidity drops to its lowest level at 65%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Kennebunk
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: September
- Warmest weather: July and August
- Most sunshine: July and August
- Fewer rainy days: February, March, August, September and November
- Seasonal pattern: Warm summers and very cold winters
- Coldest conditions: January, with freezing nights around -10°C (14°F).
Frequently asked questions about the climate in Kennebunk
What is the best time to visit Kennebunk?
September typically offers the most optimal weather in Kennebunk. In contrast, January, February, March, April, November and December tend to have less optimal conditions. Kennebunk has warm summers and very cold winters.
What temperatures can I expect in Kennebunk?
Daytime highs range from 1°C (34°F) in January to 26°C (79°F) in July. Nighttime lows range from -10°C (14°F) to 16°C (61°F). Temperatures vary considerably through the year.
How much rain does Kennebunk get?
Annual rainfall is around 1317 mm (52 in). June is the wettest month with 139 mm (5.5 in), while January is the driest with 84 mm (3.3 in).
How sunny is Kennebunk?
Kennebunk receives around 2,497 hours of sunshine per year. July is the sunniest month with 278 hours, while December is the cloudiest with just 140 hours. Overall, Kennebunk enjoys abundant sunshine.
Kennebunk 3-Day Forecast
Kennebunk on the map
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