Hamilton climate

Hamilton Weather in August

NOAA 1991-2020 normals for Hamilton, 0.6 km from Hamilton

Average highs run from 86°F on August 1 to 78°F on August 31, and lows from 51°F to 44°F. Normal precipitation for the month is 0.80 in over about 7 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 Hamilton, in °F, with the record for each date.020406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

August at a glance

Average high
82°F
Average low
48°F
Precipitation
0.80 in
Record high
103°FAug 24, 1969
Record low
19°FAug 18, 1895
Chance of a freeze
3%
Days of 90°F or more
8.8
Daylight
14 h 48 min to 13 h 21 min
Cloud cover
44%
Humidity
56%
Dew point
40°F
Wind
4.0 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 186°F51°F101°F 190039°F 198721%0%
Aug 286°F50°F99°F 196636°F 198721%0%
Aug 386°F50°F101°F 196138°F 198821%0%
Aug 486°F50°F101°F 196140°F 195621%0%
Aug 586°F50°F101°F 196137°F 198022%0%
Aug 686°F50°F100°F 190138°F 190922%0%
Aug 785°F50°F98°F 195836°F 198822%0%
Aug 885°F50°F100°F 193039°F 194622%0%
Aug 985°F49°F100°F 193539°F 191422%0%
Aug 1085°F49°F101°F 200340°F 191722%0%
Aug 1184°F49°F99°F 199638°F 190122%0%
Aug 1284°F49°F101°F 194035°F 189922%0%
Aug 1384°F49°F99°F 193536°F 190022%0%
Aug 1483°F48°F101°F 192938°F 192822%0%
Aug 1583°F48°F100°F 192936°F 197422%0%
Aug 1683°F48°F98°F 193129°F 189523%0%
Aug 1782°F48°F99°F 193124°F 189523%0%
Aug 1882°F47°F96°F 193119°F 189523%0%
Aug 1982°F47°F99°F 200819°F 189523%0%
Aug 2081°F47°F96°F 194228°F 189523%0%
Aug 2181°F47°F98°F 196930°F 189523%0%
Aug 2281°F46°F98°F 193522°F 189523%0%
Aug 2380°F46°F102°F 193528°F 189523%0%
Aug 2480°F46°F103°F 196928°F 189523%0%
Aug 2580°F46°F97°F 196926°F 189523%0%
Aug 2679°F46°F95°F 201022°F 189523%0%
Aug 2779°F45°F97°F 201024°F 189523%0%
Aug 2879°F45°F95°F 201119°F 189523%0%
Aug 2978°F45°F98°F 199821°F 189523%0%
Aug 3078°F45°F96°F 192127°F 189523%0%
Aug 3178°F44°F96°F 192927°F 189523%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Hamilton, in percent, and of at least 0.1 inch of snowfall.05101520251102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (MDT).

August 1
sunrise 6:19 AM, sunset 9:07 PM
August 31
sunrise 6:56 AM, sunset 8:17 PM

Every day of August: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00243885 (Hamilton), public domain. Records: NOAA GHCN-Daily, station USC00243885, 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.