Biddeford climate

Biddeford Weather in May

NOAA 1991-2020 normals for Kennebunkport, 14.8 km from Biddeford

Average highs run from 58°F on May 1 to 66°F on May 31, and lows from 38°F to 48°F. Normal precipitation for the month is 4.21 in over about 13 wet days.

May day by day

The normal high and low for each date, and the record, in °F.

Normal daily high and low temperature at Biddeford, in °F, with the record for each date.20406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

May at a glance

Average high
62°F
Average low
43°F
Precipitation
4.21 in
Record high
94°FMay 31, 1987
Record low
23°FMay 9, 1956
Chance of a freeze
82%
Daylight
14 h 10 min to 15 h 11 min
Cloud cover
66%
Humidity
81%
Dew point
47°F
Wind
5.4 mph

Every day of the month

A wet day has at least 0.01 inch of precipitation; snow means at least 0.1 inch of snowfall.

DateNormal highNormal lowRecord highRecord lowChance wetChance of snow
May 158°F38°F75°F 197226°F 197841%
May 258°F38°F91°F 200125°F 196441%
May 358°F38°F92°F 200124°F 196641%
May 459°F39°F84°F 195526°F 194641%
May 559°F39°F82°F 194928°F 195141%
May 659°F39°F84°F 197628°F 196141%
May 759°F40°F84°F 201528°F 196741%
May 860°F40°F85°F 195727°F 196241%
May 960°F40°F92°F 197923°F 195641%
May 1060°F41°F88°F 197924°F 194741%
May 1160°F41°F83°F 198529°F 195142%
May 1261°F41°F88°F 199129°F 196242%
May 1361°F42°F83°F 199128°F 196242%
May 1461°F42°F84°F 202228°F 195142%
May 1561°F42°F85°F 200427°F 194742%
May 1662°F43°F90°F 195128°F 194742%
May 1762°F43°F90°F 197727°F 195742%
May 1862°F43°F93°F 201730°F 202342%
May 1962°F44°F92°F 202628°F 195142%
May 2063°F44°F89°F 202632°F 195542%0%
May 2163°F44°F91°F 200933°F 197642%0%
May 2263°F45°F90°F 199234°F 195042%0%
May 2363°F45°F87°F 199234°F 196342%0%
May 2464°F45°F91°F 199130°F 195642%0%
May 2564°F46°F92°F 200727°F 195642%0%
May 2664°F46°F91°F 201030°F 194942%0%
May 2765°F46°F85°F 194432°F 196942%0%
May 2865°F47°F90°F 198835°F 196842%0%
May 2965°F47°F90°F 199835°F 196242%0%
May 3065°F47°F86°F 201133°F 196142%0%
May 3166°F48°F94°F 198731°F 196142%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Biddeford, in percent, and of at least 0.1 inch of snowfall.010203040501102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (EDT).

May 1
sunrise 5:34 AM, sunset 7:44 PM
May 31
sunrise 5:04 AM, sunset 8:15 PM

Every day of May: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00174193 (Kennebunkport), public domain. Records: NOAA GHCN-Daily, station USW00014764, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.