Saint Jacob climate

Saint Jacob Weather in May

NOAA 1991-2020 normals for Belleville Siu Rsch, 22.6 km from Saint Jacob

Average highs run from 75°F on May 1 to 84°F on May 31, and lows from 52°F to 61°F. Normal precipitation for the month is 5.05 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 Saint Jacob, in °F, with the record for each date.20406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

May at a glance

Average high
79°F
Average low
56°F
Precipitation
5.05 in
Record high
97°FMay 26, 1953
Record low
28°FMay 4, 1976
Chance of a freeze
6%
Days of 90°F or more
2.2
Daylight
13 h 50 min to 14 h 40 min
Cloud cover
63%
Humidity
78%
Dew point
58°F
Wind
8.1 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°F52°F90°F 200733°F 196338%0%
May 275°F52°F90°F 195230°F 197838%0%
May 376°F52°F90°F 194930°F 196738%0%
May 476°F53°F90°F 195228°F 197638%0%
May 576°F53°F93°F 195234°F 197938%0%
May 676°F53°F91°F 201233°F 196838%0%
May 777°F54°F90°F 201233°F 199238%0%
May 877°F54°F90°F 196334°F 197638%0%
May 977°F54°F88°F 196632°F 198038%0%
May 1077°F55°F90°F 201829°F 196638%0%
May 1178°F55°F90°F 201135°F 198938%0%
May 1278°F55°F91°F 195633°F 198937%0%
May 1378°F56°F90°F 201837°F 202137%0%
May 1478°F56°F93°F 201337°F 202137%0%
May 1579°F56°F93°F 201339°F 197337%0%
May 1679°F56°F93°F 200134°F 199737%0%
May 1779°F57°F93°F 200136°F 201136%0%
May 1880°F57°F91°F 196436°F 200236%0%
May 1980°F57°F93°F 199841°F 200236%0%
May 2080°F58°F93°F 199839°F 198136%0%
May 2181°F58°F93°F 198739°F 198635%0%
May 2281°F58°F92°F 197538°F 200235%0%
May 2381°F59°F92°F 197539°F 200235%0%
May 2481°F59°F94°F 199643°F 195635%0%
May 2582°F59°F94°F 195339°F 197934%0%
May 2682°F59°F97°F 195338°F 197934%0%
May 2782°F60°F94°F 201239°F 196134%0%
May 2883°F60°F95°F 201241°F 197134%0%
May 2983°F60°F95°F 201239°F 198433%0%
May 3083°F61°F93°F 196941°F 198433%0%
May 3184°F61°F92°F 195340°F 196633%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Saint Jacob, 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 6:01 AM, sunset 7:51 PM
May 31
sunrise 5:37 AM, sunset 8:17 PM

Every day of May: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USW00013802 (Belleville Siu Rsch), public domain. Records: NOAA GHCN-Daily, station USW00013802, 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.