Island Falls climate

Island Falls Weather in May

NOAA 1991-2020 normals for Patten 2, 17.6 km from Island Falls

Average highs run from 56°F on May 1 to 68°F on May 31, and lows from 36°F to 44°F.

May day by day

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

Normal daily high and low temperature at Island Falls, in °F, with the record for each date.020406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

May at a glance

Average high
62°F
Average low
40°F
Snowfall
0.1 in
Record high
96°FMay 29, 1978
Record low
18°FMay 1, 1977
Chance of a freeze
89%
Daylight
14 h 21 min to 15 h 30 min
Cloud cover
71%
Humidity
81%
Dew point
44°F
Wind
5.1 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 156°F36°F83°F 200418°F 19774%
May 257°F36°F86°F 197018°F 19724%
May 357°F36°F89°F 200121°F 19663%
May 457°F37°F84°F 199925°F 19903%
May 558°F37°F80°F 196025°F 19773%
May 658°F37°F82°F 196022°F 19743%
May 759°F38°F84°F 196420°F 19562%
May 859°F38°F84°F 198220°F 19502%
May 960°F38°F90°F 197919°F 19772%
May 1060°F39°F87°F 195324°F 20042%
May 1161°F39°F81°F 197123°F 19562%
May 1261°F39°F82°F 195924°F 20181%
May 1361°F40°F89°F 202225°F 19721%
May 1462°F40°F85°F 196124°F 19991%
May 1562°F40°F90°F 197425°F 19881%
May 1663°F40°F80°F 199128°F 19961%
May 1763°F41°F89°F 196927°F 19571%
May 1863°F41°F91°F 201725°F 19811%
May 1964°F41°F92°F 196223°F 19911%
May 2064°F41°F86°F 195126°F 19941%
May 2164°F42°F91°F 199227°F 19741%
May 2265°F42°F94°F 199223°F 19821%
May 2365°F42°F92°F 197725°F 19820%
May 2465°F42°F92°F 197726°F 19560%
May 2566°F43°F91°F 200724°F 19560%
May 2666°F43°F89°F 202129°F 19720%
May 2766°F43°F91°F 202027°F 19690%
May 2867°F44°F92°F 197826°F 19770%
May 2967°F44°F96°F 197829°F 19700%
May 3067°F44°F89°F 197228°F 20080%
May 3168°F44°F88°F 199930°F 19980%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Island Falls, in percent, and of at least 0.1 inch of snowfall.012341102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (EDT).

May 1
sunrise 5:20 AM, sunset 7:41 PM
May 31
sunrise 4:46 AM, sunset 8:16 PM

Every day of May: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00176594 (Patten 2), public domain. Records: NOAA GHCN-Daily, station USW00014609, 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.