Nipomo climate

Nipomo Weather in August

NOAA 1991-2020 normals for Twitchell Dam, 15.4 km from Nipomo

Average highs run from 77°F on August 1 to 78°F on August 31, and lows from 54°F to 53°F. Normal precipitation for the month is 0.01 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 Nipomo, in °F, with the record for each date.406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

August at a glance

Average high
78°F
Average low
54°F
Precipitation
0.01 in
Record high
104°FAug 29, 2009
Record low
43°FAug 23, 1973
Chance of a freeze
0%
Days of 90°F or more
3.6
Daylight
13 h 54 min to 12 h 56 min
Cloud cover
20%
Humidity
64%
Dew point
53°F
Wind
7.6 mph

Every day of the month

A wet day has at least 0.01 inch of precipitation.

DateNormal highNormal lowRecord highRecord lowChance wet
Aug 177°F54°F89°F 199348°F 19571%
Aug 277°F54°F87°F 201745°F 19701%
Aug 377°F54°F88°F 201748°F 19561%
Aug 477°F54°F86°F 201748°F 19941%
Aug 577°F54°F84°F 199746°F 19501%
Aug 677°F54°F91°F 198346°F 19561%
Aug 777°F54°F90°F 198346°F 19561%
Aug 877°F54°F90°F 197148°F 19481%
Aug 977°F54°F91°F 200647°F 19702%
Aug 1077°F54°F87°F 201848°F 19702%
Aug 1177°F54°F89°F 196549°F 19822%
Aug 1277°F54°F85°F 195848°F 19642%
Aug 1377°F54°F93°F 202046°F 19562%
Aug 1478°F54°F89°F 202045°F 19852%
Aug 1578°F54°F89°F 202047°F 19542%
Aug 1678°F54°F88°F 202046°F 19482%
Aug 1778°F54°F89°F 202049°F 19522%
Aug 1878°F54°F90°F 198645°F 19782%
Aug 1978°F54°F96°F 199745°F 19492%
Aug 2078°F54°F85°F 202345°F 19742%
Aug 2178°F54°F93°F 197245°F 19592%
Aug 2278°F54°F88°F 195946°F 19532%
Aug 2378°F54°F94°F 201043°F 19732%
Aug 2478°F54°F89°F 201045°F 19702%
Aug 2578°F54°F84°F 198845°F 19482%
Aug 2678°F54°F84°F 202445°F 19522%
Aug 2778°F54°F92°F 201546°F 19542%
Aug 2878°F54°F103°F 196246°F 19752%
Aug 2978°F53°F104°F 200945°F 19552%
Aug 3078°F53°F94°F 198446°F 19752%
Aug 3178°F53°F93°F 195547°F 19492%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Nipomo, in percent.00.511.521102030
  • Chance of a wet day

Sunrise and sunset

Times for 2026, local time (PDT).

August 1
sunrise 6:11 AM, sunset 8:05 PM
August 31
sunrise 6:34 AM, sunset 7:30 PM

Every day of August: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00049111 (Twitchell Dam), public domain. Records: NOAA GHCN-Daily, station USW00023273, 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.