Riverside climate

Riverside Weather in August

NOAA 1991-2020 normals for Tremonton, 8.8 km from Riverside

Average highs run from 93°F on August 1 to 85°F on August 31, and lows from 63°F to 56°F. Normal precipitation for the month is 0.75 in over about 4 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 Riverside, in °F, with the record for each date.20406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

August at a glance

Average high
90°F
Average low
60°F
Precipitation
0.75 in
Record high
104°FAug 2, 2020
Record low
36°FAug 27, 2008
Chance of a freeze
0%
Days of 90°F or more
17.1
Daylight
14 h 23 min to 13 h 09 min
Cloud cover
39%
Humidity
43%
Dew point
42°F
Wind
6.3 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 193°F63°F103°F 202046°F 200213%0%
Aug 293°F63°F104°F 202046°F 200113%0%
Aug 393°F63°F100°F 202044°F 202513%0%
Aug 493°F63°F98°F 202039°F 201613%0%
Aug 593°F63°F99°F 202040°F 202613%0%
Aug 693°F63°F99°F 200143°F 202613%0%
Aug 792°F62°F101°F 202645°F 200413%0%
Aug 892°F62°F100°F 202644°F 200412%0%
Aug 992°F62°F98°F 201837°F 200213%0%
Aug 1092°F62°F99°F 201839°F 200213%0%
Aug 1191°F62°F99°F 200343°F 200213%0%
Aug 1291°F61°F97°F 202144°F 201613%0%
Aug 1391°F61°F99°F 202140°F 201013%0%
Aug 1491°F61°F100°F 200342°F 200212%0%
Aug 1590°F61°F98°F 200045°F 201812%0%
Aug 1690°F60°F97°F 200737°F 200913%0%
Aug 1790°F60°F99°F 202037°F 200213%0%
Aug 1889°F60°F98°F 202040°F 200913%0%
Aug 1989°F59°F97°F 202041°F 200613%0%
Aug 2089°F59°F98°F 202642°F 201613%0%
Aug 2188°F59°F99°F 202644°F 200013%0%
Aug 2288°F59°F96°F 200944°F 200013%0%
Aug 2388°F58°F96°F 202542°F 201013%0%
Aug 2487°F58°F96°F 200839°F 200713%0%
Aug 2587°F58°F97°F 201140°F 201214%0%
Aug 2687°F57°F96°F 200142°F 200114%0%
Aug 2786°F57°F96°F 200136°F 200814%0%
Aug 2886°F57°F97°F 201738°F 200414%0%
Aug 2986°F57°F97°F 201737°F 201815%0%
Aug 3085°F56°F95°F 202240°F 202415%0%
Aug 3185°F56°F97°F 202236°F 200515%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Riverside, in percent, and of at least 0.1 inch of snowfall.0510151102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (MDT).

August 1
sunrise 6:23 AM, sunset 8:46 PM
August 31
sunrise 6:54 AM, sunset 8:03 PM

Every day of August: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00428817 (Tremonton), public domain. Records: NOAA GHCN-Daily, station USW00094128, 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.