Fall River Mills climate

Fall River Mills Weather in August

NOAA 1991-2020 normals for Hat Creek, 12 km from Fall River Mills

Average highs run from 93°F on August 1 to 88°F on August 31, and lows from 47°F to 41°F. Normal precipitation for the month is 0.17 in over about 1 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 Fall River Mills, in °F, with the record for each date.20406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

August at a glance

Average high
91°F
Average low
44°F
Precipitation
0.17 in
Record high
105°FAug 7, 1981
Record low
34°FAug 22, 1968
Chance of a freeze
4%
Days of 90°F or more
19.4
Daylight
14 h 20 min to 13 h 08 min
Cloud cover
22%
Humidity
32%
Dew point
34°F
Wind
6.0 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 193°F47°F98°F 197737°F 19893%0%
Aug 293°F47°F100°F 197741°F 19893%0%
Aug 392°F47°F97°F 197838°F 19563%0%
Aug 492°F47°F98°F 197840°F 19533%0%
Aug 592°F46°F99°F 197836°F 20023%0%
Aug 692°F46°F103°F 197238°F 19573%0%
Aug 792°F46°F105°F 198139°F 20023%0%
Aug 892°F46°F104°F 198141°F 19993%0%
Aug 992°F46°F99°F 198140°F 19503%0%
Aug 1092°F45°F99°F 197141°F 19493%0%
Aug 1191°F45°F101°F 197138°F 19953%0%
Aug 1291°F45°F97°F 201240°F 19953%0%
Aug 1391°F45°F99°F 201240°F 19543%0%
Aug 1491°F45°F101°F 200840°F 19883%0%
Aug 1591°F44°F101°F 200836°F 19683%0%
Aug 1691°F44°F100°F 200838°F 19723%0%
Aug 1790°F44°F97°F 195137°F 19723%0%
Aug 1890°F44°F98°F 195035°F 19953%0%
Aug 1990°F44°F99°F 200939°F 19803%0%
Aug 2090°F43°F99°F 195039°F 19813%0%
Aug 2190°F43°F97°F 200937°F 19683%0%
Aug 2290°F43°F97°F 196734°F 19683%0%
Aug 2389°F43°F96°F 198234°F 19603%0%
Aug 2489°F43°F95°F 196737°F 19733%0%
Aug 2589°F42°F93°F 198537°F 19603%0%
Aug 2689°F42°F94°F 195038°F 19913%0%
Aug 2789°F42°F95°F 197238°F 19644%0%
Aug 2889°F42°F96°F 195039°F 19574%0%
Aug 2989°F42°F99°F 195038°F 19574%0%
Aug 3088°F42°F95°F 195038°F 19514%0%
Aug 3188°F41°F96°F 195034°F 19994%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Fall River Mills, in percent, and of at least 0.1 inch of snowfall.0123451102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (PDT).

August 1
sunrise 6:02 AM, sunset 8:22 PM
August 31
sunrise 6:32 AM, sunset 7:40 PM

Every day of August: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00043824 (Hat Creek), public domain. Records: NOAA GHCN-Daily, station USC00045983, 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.