Ammon climate

Ammon Weather in August

NOAA 1991-2020 normals for Idaho Falls - Kifi, 6.1 km from Ammon

Average highs run from 88°F on August 1 to 81°F on August 31, and lows from 57°F to 50°F. Normal precipitation for the month is 0.65 in over about 5 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 Ammon, 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
54°F
Precipitation
0.65 in
Record high
101°FAug 1, 2026
Record low
28°FAug 26, 1992
Chance of a freeze
0%
Days of 90°F or more
10.7
Daylight
14 h 32 min to 13 h 14 min
Cloud cover
41%
Humidity
41%
Dew point
40°F
Wind
7.8 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 188°F57°F101°F 202637°F 200216%0%
Aug 288°F57°F100°F 202442°F 196316%0%
Aug 388°F56°F100°F 202442°F 196316%0%
Aug 488°F56°F100°F 196136°F 198016%0%
Aug 588°F56°F97°F 196138°F 198016%0%
Aug 688°F56°F98°F 198342°F 195016%0%
Aug 788°F56°F100°F 198340°F 195016%0%
Aug 888°F56°F99°F 199039°F 200416%0%
Aug 987°F55°F96°F 199136°F 200216%0%
Aug 1087°F55°F98°F 196937°F 200216%0%
Aug 1187°F55°F98°F 201841°F 198016%0%
Aug 1287°F55°F97°F 195837°F 200016%0%
Aug 1387°F55°F96°F 200339°F 200616%0%
Aug 1486°F54°F99°F 200337°F 200616%0%
Aug 1586°F54°F98°F 200338°F 200516%0%
Aug 1686°F54°F96°F 202237°F 197416%0%
Aug 1786°F54°F99°F 202336°F 200216%0%
Aug 1885°F53°F97°F 202235°F 197815%0%
Aug 1985°F53°F97°F 196134°F 200215%0%
Aug 2085°F53°F98°F 202634°F 196415%0%
Aug 2185°F53°F97°F 202635°F 196415%0%
Aug 2284°F52°F98°F 196936°F 195415%0%
Aug 2384°F52°F97°F 196936°F 198515%0%
Aug 2484°F52°F98°F 196934°F 199215%0%
Aug 2583°F51°F97°F 201530°F 199215%0%
Aug 2683°F51°F97°F 201028°F 199215%0%
Aug 2783°F51°F93°F 198133°F 196416%0%
Aug 2882°F51°F94°F 201233°F 196016%0%
Aug 2982°F50°F95°F 194832°F 196016%0%
Aug 3082°F50°F99°F 195431°F 196416%0%
Aug 3181°F50°F97°F 202230°F 196516%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Ammon, in percent, and of at least 0.1 inch of snowfall.051015201102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (MDT).

August 1
sunrise 6:18 AM, sunset 8:50 PM
August 31
sunrise 6:51 AM, sunset 8:05 PM

Every day of August: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00104455 (Idaho Falls - Kifi), public domain. Records: NOAA GHCN-Daily, station USW00024145, 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.