Cato climate

Cato Weather in May

NOAA 1991-2020 normals for Brillion, 17.6 km from Cato

Average highs run from 61°F on May 1 to 73°F on May 31, and lows from 39°F to 51°F. Normal precipitation for the month is 3.91 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 Cato, in °F, with the record for each date.20406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

May at a glance

Average high
68°F
Average low
45°F
Precipitation
3.91 in
Record high
95°FMay 3, 1902
Record low
21°FMay 8, 1967
Chance of a freeze
67%
Daylight
14 h 12 min to 15 h 15 min
Cloud cover
72%
Humidity
77%
Dew point
46°F
Wind
11.2 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°F39°F88°F 195226°F 190739%
May 262°F39°F84°F 199226°F 191139%
May 362°F40°F95°F 190227°F 198639%
May 463°F40°F90°F 195227°F 190739%
May 563°F40°F85°F 195227°F 190739%
May 664°F41°F93°F 193426°F 198939%
May 764°F41°F85°F 193429°F 197439%
May 865°F42°F84°F 193621°F 196739%
May 965°F42°F92°F 193428°F 194739%
May 1065°F42°F88°F 189623°F 196639%
May 1166°F43°F82°F 195626°F 190739%
May 1266°F43°F85°F 197728°F 196739%
May 1367°F44°F89°F 197730°F 191039%
May 1467°F44°F87°F 197729°F 191039%
May 1567°F44°F87°F 193232°F 192039%
May 1668°F45°F84°F 202630°F 189539%
May 1768°F45°F86°F 191130°F 198339%0%
May 1869°F46°F86°F 199630°F 198139%0%
May 1969°F46°F89°F 190331°F 200239%0%
May 2069°F46°F90°F 197229°F 189539%0%
May 2170°F47°F89°F 199829°F 189539%0%
May 2270°F47°F91°F 192121°F 200339%0%
May 2370°F48°F87°F 193630°F 196339%0%
May 2471°F48°F82°F 190234°F 192539%0%
May 2571°F49°F86°F 191125°F 198339%0%
May 2671°F49°F89°F 194133°F 189739%0%
May 2772°F49°F84°F 198831°F 196139%0%
May 2872°F50°F91°F 196933°F 189439%0%
May 2972°F50°F87°F 200632°F 196539%0%
May 3073°F51°F92°F 193935°F 189439%0%
May 3173°F51°F91°F 192535°F 189739%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Cato, 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 5:43 AM, sunset 7:55 PM
May 31
sunrise 5:12 AM, sunset 8:27 PM

Every day of May: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00471064 (Brillion), public domain. Records: NOAA GHCN-Daily, station USC00475017, 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.