Lewiston climate

Lewiston Weather in May

NOAA 1991-2020 normals for Atlanta, 18.7 km from Lewiston

Average highs run from 60°F on May 1 to 72°F on May 31, and lows from 34°F to 45°F. Normal precipitation for the month is 3.01 in.

May day by day

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

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

May at a glance

Average high
67°F
Average low
40°F
Precipitation
3.01 in
Snowfall
0.2 in
Record high
93°FMay 31, 2023
Record low
17°FMay 13, 2020
Chance of a freeze
94%
Days of 90°F or more
0.8
Daylight
14 h 16 min to 15 h 21 min
Cloud cover
75%
Humidity
75%
Dew point
44°F
Wind
6.9 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 160°F34°F84°F 201327°F 20203%
May 261°F35°F81°F 201323°F 20262%
May 361°F35°F78°F 200623°F 20032%
May 462°F35°F79°F 200024°F 20052%
May 562°F36°F82°F 200030°F 20202%
May 663°F36°F84°F 200025°F 20062%
May 763°F36°F84°F 201528°F 20202%
May 863°F37°F81°F 201525°F 20201%
May 964°F37°F80°F 200525°F 20171%
May 1064°F37°F87°F 202224°F 20101%
May 1165°F38°F86°F 202223°F 20091%
May 1265°F38°F90°F 202222°F 20201%
May 1366°F39°F90°F 202217°F 20201%
May 1466°F39°F85°F 202230°F 20001%
May 1567°F39°F89°F 199827°F 20021%
May 1667°F40°F82°F 201730°F 20141%
May 1767°F40°F85°F 201726°F 20121%
May 1868°F40°F87°F 199827°F 20091%
May 1968°F41°F88°F 201224°F 20021%
May 2069°F41°F88°F 201224°F 20001%
May 2169°F42°F86°F 202128°F 20031%
May 2269°F42°F82°F 200728°F 20150%
May 2370°F42°F84°F 200729°F 20060%
May 2470°F43°F89°F 201032°F 20130%
May 2570°F43°F86°F 201031°F 20130%
May 2671°F44°F86°F 201031°F 20130%
May 2771°F44°F86°F 201834°F 20080%
May 2872°F44°F87°F 201226°F 20080%
May 2972°F45°F91°F 200630°F 20040%
May 3072°F45°F90°F 202231°F 20210%
May 3172°F45°F93°F 202329°F 20090%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Lewiston, in percent, and of at least 0.1 inch of snowfall.00.511.522.51102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (EDT).

May 1
sunrise 6:27 AM, sunset 8:43 PM
May 31
sunrise 5:55 AM, sunset 9:16 PM

Every day of May: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00200342 (Atlanta), public domain. Records: NOAA GHCN-Daily, station USW00004854, 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.