Spencer climate

Spencer Weather in May

NOAA 1991-2020 normals for Sparta Wastewater Plant, 17.8 km from Spencer

Average highs run from 75°F on May 1 to 81°F on May 31, and lows from 50°F to 59°F. Normal precipitation for the month is 5.03 in over about 12 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 Spencer, in °F, with the record for each date.20406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

May at a glance

Average high
78°F
Average low
55°F
Precipitation
5.03 in
Record high
100°FMay 29, 1914
Record low
30°FMay 1, 1908
Chance of a freeze
9%
Days of 90°F or more
1.2
Daylight
13 h 39 min to 14 h 25 min
Cloud cover
60%
Humidity
80%
Dew point
58°F
Wind
4.5 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 175°F50°F89°F 195130°F 190841%0%
May 275°F50°F93°F 201931°F 196341%0%
May 375°F51°F92°F 191533°F 196141%0%
May 475°F51°F89°F 189532°F 197141%0%
May 576°F51°F92°F 195935°F 190341%0%
May 676°F52°F90°F 195234°F 196841%0%
May 776°F52°F90°F 194035°F 197441%0%
May 876°F52°F89°F 195233°F 190641%0%
May 976°F52°F90°F 193633°F 202041%0%
May 1077°F53°F90°F 191632°F 190640%0%
May 1177°F53°F90°F 190536°F 196640%0%
May 1277°F53°F92°F 190237°F 198940%0%
May 1377°F54°F93°F 191636°F 201340%0%
May 1477°F54°F93°F 191533°F 191740%0%
May 1578°F54°F95°F 191536°F 191740%0%
May 1678°F55°F93°F 196235°F 197340%0%
May 1778°F55°F94°F 196238°F 199740%0%
May 1878°F55°F95°F 196236°F 197340%0%
May 1979°F55°F94°F 196235°F 197639%0%
May 2079°F56°F92°F 190237°F 200239%0%
May 2179°F56°F94°F 194139°F 195439%0%
May 2279°F56°F96°F 194134°F 189539%0%
May 2379°F57°F91°F 190341°F 192439%0%
May 2480°F57°F95°F 191436°F 193139%0%
May 2580°F57°F95°F 192639°F 197639%0%
May 2680°F58°F97°F 191436°F 192538%0%
May 2780°F58°F95°F 191434°F 196138%0%
May 2881°F58°F99°F 191436°F 196138%0%
May 2981°F58°F100°F 191443°F 197138%0%
May 3081°F59°F99°F 191439°F 198438%0%
May 3181°F59°F98°F 191838°F 198438%0%

Chance of rain

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

May 1
sunrise 5:50 AM, sunset 7:29 PM
May 31
sunrise 5:27 AM, sunset 7:52 PM

Every day of May: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00408522 (Sparta Wastewater Plant), public domain. Records: NOAA GHCN-Daily, station USC00405882, 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.