Good Thunder climate

Good Thunder Weather in May

NOAA 1991-2020 normals for Amboy, 15.7 km from Good Thunder

Average highs run from 67°F on May 1 to 78°F on May 31, and lows from 42°F to 55°F. Normal precipitation for the month is 4.27 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 Good Thunder, in °F, with the record for each date.020406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

May at a glance

Average high
73°F
Average low
49°F
Precipitation
4.27 in
Snowfall
0.1 in
Record high
107°FMay 31, 1934
Record low
14°FMay 5, 1989
Chance of a freeze
46%
Days of 90°F or more
1.6
Daylight
14 h 12 min to 15 h 15 min
Cloud cover
65%
Humidity
72%
Dew point
48°F
Wind
11.6 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 167°F42°F93°F 195925°F 190934%2%
May 267°F43°F92°F 195525°F 189334%2%
May 368°F43°F95°F 198021°F 196734%1%
May 468°F44°F94°F 198021°F 190734%1%
May 568°F44°F91°F 190914°F 198934%1%
May 669°F44°F93°F 193425°F 198934%1%
May 769°F45°F90°F 193425°F 190634%1%
May 870°F45°F95°F 193428°F 192534%1%
May 970°F46°F94°F 198726°F 198334%1%
May 1070°F46°F94°F 198728°F 190534%1%
May 1171°F47°F94°F 201125°F 194634%1%
May 1271°F47°F92°F 194027°F 189534%1%
May 1372°F47°F95°F 202228°F 191834%1%
May 1472°F48°F95°F 193227°F 192634%1%
May 1572°F48°F99°F 201328°F 201634%0%
May 1673°F49°F94°F 193427°F 192134%0%
May 1773°F49°F99°F 193426°F 192534%0%
May 1873°F50°F94°F 193431°F 191534%0%
May 1974°F50°F101°F 193429°F 192934%0%
May 2074°F51°F100°F 193427°F 190734%0%
May 2174°F51°F94°F 197531°F 189534%0%
May 2275°F51°F98°F 192530°F 196335%0%
May 2375°F52°F93°F 192528°F 196335%0%
May 2475°F52°F91°F 196432°F 196335%0%
May 2576°F53°F95°F 197830°F 192535%0%
May 2676°F53°F94°F 191432°F 190535%0%
May 2776°F53°F95°F 201832°F 190736%0%
May 2877°F54°F99°F 193430°F 190636%0%
May 2977°F54°F101°F 201833°F 194736%0%
May 3077°F55°F102°F 193433°F 193036%0%
May 3178°F55°F107°F 193438°F 197236%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Good Thunder, 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 (CDT).

May 1
sunrise 6:08 AM, sunset 8:20 PM
May 31
sunrise 5:37 AM, sunset 8:52 PM

Every day of May: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00210157 (Amboy), public domain. Records: NOAA GHCN-Daily, station USC00217405, 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.