May weather forecastKennebunk, ME
May
Weather in May
May, in Kennebunk, Maine, brings about a comfortable range in temperatures that tease the summer heat to come while still offering the pleasant coolness of spring. This month sees a significant temperature ascension with highs gyrating near 59.9°F (15.5°C), making it ideal for outdoor activities. Instead of snowfall, rainfall becomes the primary form of precipitation, watering the blossoming botanical life. Extended daylight hours grace the city with ample sunshine, creating brilliant displays of spring foliage in local parks. As the gateway to summer, May offers a splendid balance of weather conditions, making it an enjoyable time in Kennebunk, Maine.Temperature
The start of May signals an increase in the average high-temperature, moving from a chilly 49.8°F (9.9°C) in April to a moderate 59.9°F (15.5°C). Nighttime temperature dips to a mean of 46.4°F (8°C) during May.Humidity
In May, the average relative humidity is 80%.Rainfall
In Kennebunk, Maine, in May, it is raining for 13.9 days, with typically 2.32" (59mm) of accumulated precipitation. In Kennebunk, during the entire year, the rain falls for 133.9 days and collects up to 27.44" (697mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.1 snowfall days, in May, Kennebunk aggregates 0.2" (5mm) of snow. In Kennebunk, during the entire year, snow falls for 33.7 days and aggregates up to 18.94" (481mm) of snow.Daylight
The average length of the day in May in Kennebunk, Maine, is 14h and 43min.On the first day of May, sunrise is at 5:33 am and sunset at 7:44 pm. On the last day of the month, sunrise is at 5:04 am and sunset at 8:15 pm EDT.
Sunshine
In Kennebunk, the average sunshine in May is 7.9h.UV index
In Kennebunk, the average daily maximum UV index in May is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the average person.Note: In May, a regular UV index of 4 translates into these guidelines:
Ensure safety - Imperative it is to shield skin and eyes from damage. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Kennebunk, ME
- Average high temperature in May: 59.9°F
The warmest month (with the highest average high temperature) is July (74.5°F).
The month with the lowest average high temperature is January (30.7°F).
- Average low temperature in May: 46.4°F
The month with the highest average low temperature is July (61.2°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).
Average pressure in May
Kennebunk, ME
- Average pressure in May: 29.99"Hg
The months with the highest atmospheric pressure are September and November (30.05"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in May
Kennebunk, ME
- Average wind speed in May: 8.1mph
The windiest month (with the highest average wind speed) is January (11.1mph).
The calmest months (with the lowest average wind speed) are July and August (6.7mph).
Average humidity in May
Kennebunk, ME
- Average humidity in May: 80%
The months with the highest relative humidity are June and July (82%).
The month with the lowest relative humidity is November (75%).
Average rainfall in May
Kennebunk, ME
- Average rainfall in May: 2.32"
The wettest month (with the highest rainfall) is October (2.95").
The driest month (with the least rainfall) is September (1.34").
Average rainfall days in May
Kennebunk, ME
- Average rainfall days in May: 13.9 days
The month with the highest number of rainy days is April (14.3 days).
The month with the least rainy days is January (6.3 days).
Average snowfall in May
Kennebunk, ME
- Average snowfall in May: 0.2"
The month with the highest snowfall is February (4.41").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Kennebunk, ME
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is January (8.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Kennebunk, ME
- Average daylight in May: 14h and 42min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in May: 7h and 54min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The months with the least sunshine are February and December (Average sunshine: 4h and 42min).
Average sunshine days in May
Kennebunk, ME
- Average sunshine days in May: 14.6 days
The month with the most sunshine days is September (18.3 days).
The month with the least sunshine days is April (12.9 days).
Average UV index in May
Kennebunk, ME
- Average UV index in May: 4
The month with the highest UV index is August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in May
Kennebunk, ME
- Average cloud cover in May: 48
The month with the most cloud cover is March (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in May
Kennebunk, ME
- Average visibility in May: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
