Butte County climate

Butte County Weather in August

NOAA 1991-2020 normals for Arco, 14.1 km from Butte County

Average highs run from 88°F on August 1 to 81°F on August 31, and lows from 53°F to 46°F. Normal precipitation for the month is 0.54 in over about 3 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 Butte County, in °F, with the record for each date.20406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

August at a glance

Average high
85°F
Average low
50°F
Precipitation
0.54 in
Record high
101°FAug 1, 2026
Record low
28°FAug 26, 1992
Chance of a freeze
6%
Days of 90°F or more
6.6
Daylight
14 h 34 min to 13 h 15 min
Cloud cover
41%
Humidity
32%
Dew point
36°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°F53°F101°F 202637°F 20029%0%
Aug 288°F53°F100°F 202442°F 19639%0%
Aug 388°F52°F100°F 202442°F 19639%0%
Aug 488°F52°F100°F 196136°F 19809%0%
Aug 588°F52°F97°F 196138°F 19809%0%
Aug 687°F52°F98°F 198342°F 19509%0%
Aug 787°F52°F100°F 198340°F 19509%0%
Aug 887°F52°F99°F 199039°F 20049%0%
Aug 987°F51°F96°F 199136°F 20029%0%
Aug 1087°F51°F98°F 196937°F 20029%0%
Aug 1186°F51°F98°F 201841°F 19809%0%
Aug 1286°F51°F97°F 195837°F 20009%0%
Aug 1386°F51°F96°F 200339°F 20069%0%
Aug 1486°F50°F99°F 200337°F 20069%0%
Aug 1585°F50°F98°F 200338°F 200510%0%
Aug 1685°F50°F96°F 202237°F 197410%0%
Aug 1785°F50°F99°F 202336°F 200210%0%
Aug 1885°F49°F97°F 202235°F 197810%0%
Aug 1984°F49°F97°F 196134°F 200210%0%
Aug 2084°F49°F98°F 202634°F 196410%0%
Aug 2184°F48°F97°F 202635°F 196410%0%
Aug 2283°F48°F98°F 196936°F 195410%0%
Aug 2383°F48°F97°F 196936°F 198510%0%
Aug 2483°F48°F98°F 196934°F 199210%0%
Aug 2582°F47°F97°F 201530°F 199210%0%
Aug 2682°F47°F97°F 201028°F 199210%0%
Aug 2782°F47°F93°F 198133°F 196410%0%
Aug 2882°F46°F94°F 201233°F 196010%0%
Aug 2981°F46°F95°F 194832°F 196010%0%
Aug 3081°F46°F99°F 195431°F 196411%0%
Aug 3181°F46°F97°F 202230°F 196511%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Butte County, in percent, and of at least 0.1 inch of snowfall.02.557.51012.51102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (MDT).

August 1
sunrise 6:22 AM, sunset 8:56 PM
August 31
sunrise 6:55 AM, sunset 8:10 PM

Every day of August: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00100375 (Arco), 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.