Saint Ignatius climate

Saint Ignatius Weather in August

NOAA 1991-2020 normals for Saint Ignatius, 0.6 km from Saint Ignatius

Average highs run from 89°F on August 1 to 81°F on August 31, and lows from 54°F to 48°F. Normal precipitation for the month is 1.17 in over about 6 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 Saint Ignatius, in °F, with the record for each date.20406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

August at a glance

Average high
86°F
Average low
51°F
Precipitation
1.17 in
Record high
101°FAug 5, 1961
Record low
31°FAug 25, 1910
Chance of a freeze
0%
Days of 90°F or more
8.3
Daylight
14 h 55 min to 13 h 24 min
Cloud cover
47%
Humidity
54%
Dew point
43°F
Wind
4.3 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 189°F54°F98°F 200342°F 195316%0%
Aug 289°F53°F97°F 200341°F 195716%0%
Aug 389°F53°F96°F 193137°F 201216%0%
Aug 489°F53°F95°F 193940°F 195616%0%
Aug 589°F53°F101°F 196135°F 191916%0%
Aug 689°F53°F96°F 194940°F 191916%0%
Aug 789°F53°F98°F 196341°F 193916%0%
Aug 888°F53°F96°F 192842°F 194616%0%
Aug 988°F52°F95°F 193042°F 194317%0%
Aug 1088°F52°F99°F 200340°F 201217%0%
Aug 1188°F52°F97°F 199642°F 201217%0%
Aug 1287°F52°F94°F 199642°F 201217%0%
Aug 1387°F52°F96°F 191436°F 201217%0%
Aug 1487°F51°F98°F 193938°F 194918%0%
Aug 1587°F51°F97°F 192042°F 191318%0%
Aug 1686°F51°F93°F 193640°F 193518%0%
Aug 1786°F51°F94°F 193440°F 194618%0%
Aug 1886°F50°F98°F 200832°F 192019%0%
Aug 1985°F50°F97°F 200836°F 192019%0%
Aug 2085°F50°F93°F 200340°F 191619%0%
Aug 2184°F50°F94°F 192541°F 196319%0%
Aug 2284°F49°F93°F 199140°F 193320%0%
Aug 2384°F49°F97°F 191335°F 199220%0%
Aug 2483°F49°F100°F 192632°F 191020%0%
Aug 2583°F49°F95°F 195831°F 191021%0%
Aug 2683°F49°F95°F 201032°F 191021%0%
Aug 2782°F48°F97°F 192237°F 191021%0%
Aug 2882°F48°F93°F 197235°F 190921%0%
Aug 2982°F48°F95°F 192931°F 191021%0%
Aug 3081°F48°F95°F 192935°F 193721%0%
Aug 3181°F48°F96°F 192932°F 201222%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Saint Ignatius, 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 6:15 AM, sunset 9:10 PM
August 31
sunrise 6:54 AM, sunset 8:18 PM

Every day of August: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00247286 (Saint Ignatius), public domain. Records: NOAA GHCN-Daily, station USC00246635, 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.