Kennebunkport, ME weather in May
Expect cool weather with frequent rain in Kennebunkport in May, with highs near 62°F and lows near 43°F. Rain falls on about 13 days.
- Normal high
- 62°F
- Normal low
- 43°F
- Wet days
- 13
- 4.2 in total
- Muggy days
- 0
- dew point 65°F+
How May changes from start to finish
| May 1 | May 31 | |
|---|---|---|
| Normal high | 58°F | 66°F |
| Normal low | 38°F | 48°F |
| Chance of a wet day | 41% | 42% |
| Sunrise / sunset | 5:34 am / 7:43 pm | 5:04 am / 8:14 pm |
| Daylight | 14.1 h | 15.2 h |
Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Eastern Time).
A typical May day
- 6 am50°Fdew point 43°F
- 9 am57°Fdew point 44°F
- Noon61°Fdew point 44°F
- 3 pm60°Fdew point 44°F
- 6 pm57°Fdew point 43°F
- 9 pm52°Fdew point 44°F
NOAA hourly normals (local standard time) from Portland Intl Jetport (22 mi away); average wind 8 mph; clear or few clouds in 49% of daytime hours, mostly cloudy or overcast in 44%.
What kind of days to expect
- Comfortable dayshigh 65-80°F and dew point under 60°F9 of 31
- Beach dayshigh 80-95°F, under 0.05 in of rain, afternoon wind under 15 mph1 of 31
- Hot dayshigh 90°F or more0 of 31
- Muggy daysdaily mean dew point 65°F or more0 of 31
- Wet daysat least 0.01 in of rain or melted snow13 of 31
- Notable rainat least 0.10 in8 of 31
- Freezing nightslow 32°F or below2 of 31
- Snow on the groundsnow depth 1 in or more0 of 31
Average days per May, counted from daily records for each year 1991-2020.
Rain in May
Normal precipitation is 4.2 in; a dry May brings about 2.2 in and a wet one about 5.1 in (25th and 75th percentiles). About 3 days bring half an inch or more, and about 1 an inch or more. Snow is very rare.
How May varies from year to year
- Warmest May, 1991-20202010: average high 67°F
- Coolest May2005: average high 56°F
- Wettest May2006: 14.4 in
- Driest May2015: 0.5 in
- Highest reading92°F (May 19, 2017)
- Lowest reading16°F (May 13, 2001)
From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.
May compared with April and June
| April | May | June | |
|---|---|---|---|
| Normal high | 52°F | 62°F | 71°F |
| Normal low | 32°F | 43°F | 52°F |
| Wet days | 12 | 13 | 13 |
| Comfortable days | 2 | 9 | 14 |
| Daylight | 13.4 h | 14.7 h | 15.3 h |
Highs change by +10°F from April and +9°F into June.
Nearby alternatives in May
- Warmer: Concord, NH54 mi · high 69°F · 12 wet days
How Kennebunkport ranks in May
- Normal high355th warmest of 378 cities; 5th of 5 in Maine
- Wet days322nd driest of 378
- Comfortable days228th most of 339
What to pack for Kennebunkport in May
- A rain jacket or umbrella – rain on about 13 days
Frost in May
The last spring frost typically comes around May 9; in 1 year in 10 it comes after May 22. All frost dates for Kennebunkport.
Heating and cooling
May has 403 heating degree days and 4 cooling degree days (base 65°F), 5% of the year's total heating and cooling demand.
Questions
How cold is Kennebunkport in May?
The normal high is 62°F and the normal low is 43°F. From 1991 to 2020 the coldest May reading was 16°F (May 13, 2001).
Does it rain a lot in Kennebunkport in May?
About 13 days in May have at least 0.01 in of precipitation, and the normal total is 4.2 in. The wettest May in 1991-2020 was in 2006 (14.4 in); the driest was in 2015 (0.5 in).
Is May a good time to visit Kennebunkport?
May ranks 5th of 12 months on our comfort score for Kennebunkport (64 out of 100). It has about 9 comfortable days. The best months are June, August and September.
Where the numbers come from
- Temperature, rain, snowfall, snow depth and frost dates: Kennebunkport (USC00174193), 0.4 mi ESE of the city center, 20 ft . NOAA normals and daily records, 1991-2020.
- Humidity and wind by hour: Portland Intl Jetport (USW00014764), 22 mi NNE of the city center, 45 ft . NOAA normals and daily records, 1991-2020.
- Cloud cover: Concord Muni Airport (USW00014745), 53 mi WSW of the city center, 346 ft (332 ft higher than the city). NOAA normals and daily records, 1991-2020.
- Daily humidity and wind: Portland International Jetport Airport (726060-14764), 21 mi NNE of the city center, 44 ft . Hourly observations, 1991-2020.