Madison County climate

Madison County Weather in May

NOAA 1991-2020 normals for Rexburg Byu Idaho, 10.8 km from Madison County

Average highs run from 61°F on May 1 to 70°F on May 31, and lows from 37°F to 45°F. Normal precipitation for the month is 1.81 in over about 11 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 Madison County, in °F, with the record for each date.020406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

May at a glance

Average high
66°F
Average low
41°F
Precipitation
1.81 in
Record high
92°FMay 28, 2003
Record low
19°FMay 2, 2013
Chance of a freeze
85%
Daylight
14 h 11 min to 15 h 13 min
Cloud cover
68%
Humidity
68%
Dew point
35°F
Wind
6.5 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 161°F37°F81°F 202324°F 201934%2%
May 262°F37°F78°F 201519°F 201334%1%
May 362°F37°F79°F 202326°F 200635%1%
May 462°F38°F81°F 200426°F 200135%1%
May 563°F38°F81°F 201623°F 201035%1%
May 663°F38°F80°F 201824°F 199935%1%
May 763°F39°F78°F 200422°F 201035%1%
May 864°F39°F78°F 200123°F 200236%1%
May 964°F39°F80°F 201223°F 200236%1%
May 1064°F39°F84°F 202524°F 202236%1%
May 1165°F40°F82°F 200724°F 199936%1%
May 1265°F40°F86°F 200129°F 200236%1%
May 1365°F40°F86°F 201327°F 200936%0%
May 1466°F41°F81°F 200629°F 201036%0%
May 1566°F41°F86°F 201231°F 200436%0%
May 1666°F41°F84°F 200632°F 200936%0%
May 1767°F42°F84°F 200631°F 199936%0%
May 1867°F42°F87°F 200930°F 200336%0%
May 1967°F42°F85°F 200223°F 200336%0%
May 2067°F42°F84°F 200827°F 200336%0%
May 2168°F43°F85°F 201228°F 200136%0%
May 2268°F43°F79°F 200931°F 200736%0%
May 2368°F43°F84°F 200331°F 202236%0%
May 2468°F43°F87°F 200331°F 201236%0%
May 2569°F44°F87°F 200334°F 200436%0%
May 2669°F44°F85°F 202236°F 201136%0%
May 2769°F44°F86°F 202634°F 201136%0%
May 2870°F44°F92°F 200334°F 200635%0%
May 2970°F44°F89°F 200333°F 200735%0%
May 3070°F45°F88°F 200332°F 200435%0%
May 3170°F45°F86°F 202532°F 200434%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Madison County, in percent, and of at least 0.1 inch of snowfall.0102030401102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (MDT).

May 1
sunrise 6:19 AM, sunset 8:30 PM
May 31
sunrise 5:48 AM, sunset 9:01 PM

Every day of May: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00107644 (Rexburg Byu Idaho), public domain. Records: NOAA GHCN-Daily, station USW00094194, 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.