Rapids City climate

Rapids City Weather in May

NOAA 1991-2020 normals for Le Claire L&d 14, 4.9 km from Rapids City

Average highs run from 67°F on May 1 to 77°F on May 31, and lows from 46°F to 58°F. Normal precipitation for the month is 4.81 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 Rapids City, in °F, with the record for each date.20406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

May at a glance

Average high
72°F
Average low
52°F
Precipitation
4.81 in
Record high
99°FMay 28, 2018
Record low
25°FMay 3, 2005
Chance of a freeze
8%
Days of 90°F or more
0.5
Daylight
14 h 02 min to 14 h 59 min
Cloud cover
65%
Humidity
75%
Dew point
53°F
Wind
10.5 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 167°F46°F90°F 195231°F 194540%
May 267°F46°F89°F 196828°F 200540%
May 367°F47°F89°F 194925°F 200540%
May 468°F47°F93°F 195228°F 200540%
May 568°F47°F93°F 194934°F 194440%
May 668°F48°F87°F 200430°F 199240%
May 769°F48°F92°F 202329°F 198940%
May 869°F49°F92°F 196332°F 197640%
May 970°F49°F92°F 196328°F 202040%
May 1070°F49°F93°F 201126°F 196640%
May 1170°F50°F95°F 202236°F 202040%
May 1271°F50°F95°F 202231°F 202039%
May 1371°F51°F94°F 202231°F 197139%
May 1471°F51°F93°F 200734°F 198039%
May 1572°F51°F93°F 202535°F 197339%
May 1672°F52°F91°F 201931°F 199739%
May 1772°F52°F91°F 198735°F 197339%0%
May 1873°F53°F92°F 196233°F 200239%0%
May 1973°F53°F93°F 196236°F 200239%0%
May 2074°F53°F90°F 197232°F 195439%0%
May 2174°F54°F90°F 196432°F 200238%0%
May 2274°F54°F92°F 197237°F 196338%0%
May 2375°F55°F93°F 197533°F 196338%0%
May 2475°F55°F95°F 201038°F 196338%0%
May 2575°F55°F94°F 196735°F 197938%0%
May 2676°F56°F95°F 198538°F 197938%0%
May 2776°F56°F97°F 201834°F 199238%0%
May 2876°F56°F99°F 201836°F 199238%0%
May 2977°F57°F94°F 200634°F 196538%0%
May 3077°F57°F95°F 195337°F 202138%0%
May 3177°F58°F93°F 202341°F 197238%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Rapids City, 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 5:58 AM, sunset 8:00 PM
May 31
sunrise 5:30 AM, sunset 8:29 PM

Every day of May: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00134705 (Le Claire L&d 14), public domain. Records: NOAA GHCN-Daily, station USW00014923, 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.