Ukiah climate

Ukiah Weather in August

NOAA 1991-2020 normals for Ukiah, 0.4 km from Ukiah

Average highs run from 92°F on August 1 to 89°F on August 31, and lows from 56°F to 53°F. Normal precipitation for the month is 0.05 in over about 0 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 Ukiah, in °F, with the record for each date.406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

August at a glance

Average high
91°F
Average low
54°F
Precipitation
0.05 in
Record high
110°FAug 1, 2017
Record low
45°FAug 29, 2010
Chance of a freeze
0%
Days of 90°F or more
17.5
Daylight
14 h 11 min to 13 h 04 min
Cloud cover
14%
Humidity
44%
Dew point
44°F
Wind
4.7 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 192°F56°F110°F 201749°F 20131%0%
Aug 292°F55°F109°F 201750°F 20131%0%
Aug 392°F55°F107°F 202651°F 20041%0%
Aug 492°F55°F103°F 202648°F 20021%0%
Aug 592°F55°F101°F 200548°F 20021%0%
Aug 692°F55°F105°F 202448°F 20021%0%
Aug 792°F55°F106°F 202450°F 20021%0%
Aug 892°F55°F108°F 202651°F 20021%0%
Aug 991°F55°F105°F 200251°F 20081%0%
Aug 1091°F55°F105°F 200251°F 20101%0%
Aug 1191°F55°F107°F 201251°F 20071%0%
Aug 1291°F55°F107°F 200249°F 20071%0%
Aug 1391°F54°F107°F 201248°F 20071%0%
Aug 1491°F54°F107°F 202048°F 20071%0%
Aug 1591°F54°F109°F 202149°F 20101%0%
Aug 1691°F54°F109°F 202352°F 20031%0%
Aug 1790°F54°F105°F 201551°F 20061%0%
Aug 1890°F54°F105°F 201350°F 20101%0%
Aug 1990°F54°F101°F 201849°F 20021%0%
Aug 2090°F54°F105°F 202250°F 20021%0%
Aug 2190°F54°F104°F 200950°F 20021%0%
Aug 2290°F54°F104°F 202547°F 20101%0%
Aug 2390°F54°F101°F 200747°F 20061%0%
Aug 2490°F54°F106°F 201047°F 20161%0%
Aug 2590°F54°F109°F 201048°F 20021%0%
Aug 2689°F53°F104°F 201946°F 20051%0%
Aug 2789°F53°F107°F 201749°F 20091%0%
Aug 2889°F53°F108°F 200849°F 20251%0%
Aug 2989°F53°F106°F 200845°F 20101%0%
Aug 3089°F53°F103°F 202147°F 20051%0%
Aug 3189°F53°F103°F 201750°F 20051%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Ukiah, in percent, and of at least 0.1 inch of snowfall.00.511.51102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (PDT).

August 1
sunrise 6:13 AM, sunset 8:24 PM
August 31
sunrise 6:41 AM, sunset 7:45 PM

Every day of August: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00049122 (Ukiah), public domain. Records: NOAA GHCN-Daily, station USW00023275, 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.