Kennebunkport (ME) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Kennebunkport.
Climate overview of Kennebunkport
The climate in Kennebunkport, Maine, United States of America, is marked by large temperature swings across the seasons, ranging from 25°C (77°F) in July to 1°C (34°F) in January.
The city receives considerable rain/snowfall, with around 1375 mm (54 in) annually. June is the wettest month. It has warm summers and very cold winters. Sunshine peaks in July, when the city sees around 9.3 hours of sunshine per day.
Kennebunkport Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Kennebunkport - and find the best time to visit.
Monthly Temperature in Kennebunkport
In Kennebunkport, temperatures differ significantly between summer and winter months. Typically, average maximum daytime temperatures range from a comfortable 25°C (77°F) in July to a very cold 1°C (34°F) in the coolest month, January.
Nights vary from 16°C (61°F) in July to around -10°C (14°F) during the colder months.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Kennebunkport
Kennebunkport experiences significant rain/snowfall throughout the year, averaging 1375 mm (54 in) of precipitation annually. Kennebunkport offers a pleasant mix of wetter and slightly drier months. The difference in precipitation between the wettest month June (145 mm (5.7 in)) and the driest month January (86 mm (3.4 in)) is not too significant. For more details, please visit our Kennebunkport 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 Kennebunkport
For those who appreciate different seasons, Kennebunkport serves as an ideal destination. Expect longer, more sun-filled days in July with an average of 9.3 hours of sunshine daily, and embrace the darker days in December, offering only 4.7 hours of daily sunlight.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Humidity in Kennebunkport by Month
The relative humidity is high throughout the year in Kennebunkport.
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 Kennebunkport
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: June, July, August and 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 Kennebunkport
What is the best time to visit Kennebunkport?
June, July, August and September typically offer the most optimal weather in Kennebunkport. In contrast, January, February, March, April, November and December tend to have less optimal conditions. Kennebunkport has warm summers and very cold winters.
What temperatures can I expect in Kennebunkport?
Daytime highs range from 1°C (34°F) in January to 25°C (77°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 Kennebunkport get?
Annual rainfall is around 1375 mm (54 in). June is the wettest month with 145 mm (5.7 in), while January is the driest with 86 mm (3.4 in).
How sunny is Kennebunkport?
Kennebunkport 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, Kennebunkport enjoys abundant sunshine.
Kennebunkport 3-Day Forecast
Kennebunkport on the map
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