Merton climate

Merton Weather in August

NOAA 1991-2020 normals for Richfield 3 Ssw, 10.7 km from Merton

Average highs run from 83°F on August 1 to 78°F on August 31, and lows from 62°F to 56°F. Normal precipitation for the month is 3.69 in.

August day by day

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

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

August at a glance

Average high
81°F
Average low
59°F
Precipitation
3.69 in
Record high
102°FAug 6, 1918
Record low
35°FAug 28, 1915
Chance of a freeze
0%
Days of 90°F or more
2.5
Daylight
14 h 31 min to 13 h 13 min
Cloud cover
54%
Humidity
74%
Dew point
61°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
Aug 183°F62°F96°F 199546°F 19240%
Aug 283°F61°F96°F 196443°F 19270%
Aug 383°F61°F97°F 193045°F 19200%
Aug 483°F61°F100°F 194744°F 19120%
Aug 583°F61°F99°F 194747°F 19130%
Aug 683°F61°F102°F 191846°F 19480%
Aug 782°F61°F97°F 191849°F 19400%
Aug 882°F61°F96°F 189443°F 19220%
Aug 982°F61°F100°F 193443°F 19220%
Aug 1082°F61°F99°F 194449°F 19190%
Aug 1182°F60°F97°F 194146°F 19300%
Aug 1282°F60°F94°F 191844°F 19670%
Aug 1382°F60°F98°F 191844°F 19240%
Aug 1481°F60°F97°F 194446°F 19640%
Aug 1581°F60°F95°F 194441°F 19290%
Aug 1681°F59°F99°F 193745°F 19790%
Aug 1781°F59°F98°F 194747°F 19240%
Aug 1881°F59°F99°F 194744°F 19240%
Aug 1981°F59°F99°F 195542°F 19150%
Aug 2080°F59°F99°F 195539°F 19500%
Aug 2180°F58°F100°F 195542°F 19500%
Aug 2280°F58°F97°F 193644°F 19230%
Aug 2380°F58°F99°F 194742°F 19270%
Aug 2480°F58°F101°F 194844°F 19200%
Aug 2579°F57°F96°F 194840°F 19170%
Aug 2679°F57°F96°F 194844°F 19450%
Aug 2779°F57°F96°F 195343°F 19150%
Aug 2879°F56°F97°F 192635°F 19150%
Aug 2978°F56°F98°F 198442°F 19340%
Aug 3078°F56°F95°F 193237°F 19150%
Aug 3178°F56°F98°F 195338°F 19150%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Merton, in percent, and of at least 0.1 inch of snowfall.00.21102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (CDT).

August 1
sunrise 5:44 AM, sunset 8:15 PM
August 31
sunrise 6:17 AM, sunset 7:30 PM

Every day of August: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00477148 (Richfield 3 Ssw), public domain. Records: NOAA GHCN-Daily, station USC00478937, 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.