Merrill climate

Merrill Weather in August

NOAA 1991-2020 normals for Merrill, 1.7 km from Merrill

Average highs run from 80°F on August 1 to 75°F on August 31, and lows from 57°F to 52°F. Normal precipitation for the month is 4.05 in over about 12 wet days.

August day by day

The normal high and low for each date, and the record, in °F.

Normal daily high and low temperature at Merrill, in °F, with the record for each date.20406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

August at a glance

Average high
78°F
Average low
55°F
Precipitation
4.05 in
Record high
101°FAug 15, 1936
Record low
30°FAug 30, 1915
Chance of a freeze
0%
Days of 90°F or more
0.9
Daylight
14 h 42 min to 13 h 19 min
Cloud cover
55%
Humidity
79%
Dew point
58°F
Wind
8.5 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
Aug 180°F57°F97°F 200638°F 197639%0%
Aug 280°F57°F97°F 196432°F 197639%0%
Aug 380°F57°F96°F 191640°F 197839%0%
Aug 480°F56°F98°F 194737°F 195139%0%
Aug 580°F56°F97°F 194738°F 195739%0%
Aug 679°F56°F95°F 190935°F 197639%0%
Aug 779°F56°F96°F 193736°F 197539%0%
Aug 879°F56°F94°F 192834°F 192338%0%
Aug 979°F56°F93°F 193436°F 192338%0%
Aug 1079°F56°F95°F 194436°F 198238%0%
Aug 1179°F56°F94°F 194433°F 198238%0%
Aug 1279°F56°F96°F 194737°F 198238%0%
Aug 1379°F55°F96°F 194435°F 192338%0%
Aug 1478°F55°F96°F 194435°F 193338%0%
Aug 1578°F55°F101°F 193632°F 197638%0%
Aug 1678°F55°F94°F 193734°F 197638%0%
Aug 1778°F55°F98°F 198834°F 198138%0%
Aug 1878°F55°F96°F 191633°F 197737%0%
Aug 1978°F55°F95°F 191638°F 192937%0%
Aug 2078°F54°F96°F 191634°F 195037%0%
Aug 2177°F54°F94°F 195535°F 200437%0%
Aug 2277°F54°F93°F 196833°F 195037%0%
Aug 2377°F54°F97°F 194835°F 194037%0%
Aug 2477°F54°F97°F 194831°F 197737%0%
Aug 2577°F53°F97°F 194832°F 197737%0%
Aug 2676°F53°F97°F 190935°F 191537%0%
Aug 2776°F53°F97°F 197334°F 191537%0%
Aug 2876°F53°F93°F 193734°F 198637%0%
Aug 2976°F52°F94°F 192532°F 197637%0%
Aug 3075°F52°F96°F 193730°F 191537%0%
Aug 3175°F52°F94°F 201235°F 200937%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Merrill, 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).

August 1
sunrise 5:44 AM, sunset 8:26 PM
August 31
sunrise 6:19 AM, sunset 7:38 PM

Every day of August: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00475364 (Merrill), public domain. Records: NOAA GHCN-Daily, station USC00475364, 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.