Copperopolis climate

Copperopolis Weather in March

NOAA 1991-2020 normals for New Melones Dam Hq, 13.9 km from Copperopolis

Average highs run from 63°F on March 1 to 67°F on March 31, and lows from 42°F to 44°F. Normal precipitation for the month is 4.77 in over about 11 wet days.

March day by day

The normal high and low for each date, and the record, in °F.

Normal daily high and low temperature at Copperopolis, in °F, with the record for each date.20406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

March at a glance

Average high
65°F
Average low
44°F
Precipitation
4.77 in
Snowfall
0.2 in
Record high
90°FMar 19, 2026
Record low
29°FMar 4, 2009
Chance of a freeze
27%
Daylight
11 h 22 min to 12 h 36 min
Cloud cover
58%
Humidity
74%
Dew point
42°F
Wind
5.6 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
Mar 163°F42°F79°F 202534°F 200039%0%
Mar 263°F42°F75°F 201630°F 201239%0%
Mar 363°F42°F76°F 201635°F 199739%0%
Mar 463°F42°F75°F 199429°F 200938%0%
Mar 564°F42°F78°F 202032°F 202238%0%
Mar 664°F43°F78°F 202032°F 201738%0%
Mar 764°F43°F74°F 200732°F 202237%0%
Mar 864°F43°F79°F 199331°F 202637%0%
Mar 964°F43°F79°F 199331°F 201036%0%
Mar 1064°F43°F82°F 200432°F 200936%0%
Mar 1164°F43°F85°F 200432°F 200636%0%
Mar 1264°F43°F81°F 200530°F 201135%0%
Mar 1365°F44°F81°F 200734°F 200635%0%
Mar 1465°F44°F84°F 200732°F 201035%0%
Mar 1565°F44°F84°F 201535°F 199935%0%
Mar 1665°F44°F82°F 201532°F 202134%0%
Mar 1765°F44°F85°F 200733°F 200834%0%
Mar 1865°F44°F88°F 202631°F 200234%0%
Mar 1965°F44°F90°F 202632°F 201233%0%
Mar 2065°F44°F90°F 202633°F 201233%0%
Mar 2165°F44°F88°F 202636°F 200633%0%
Mar 2265°F44°F84°F 200436°F 201133%0%
Mar 2366°F44°F85°F 202632°F 199433%0%
Mar 2466°F44°F87°F 202634°F 200932%0%
Mar 2566°F44°F85°F 202633°F 199532%0%
Mar 2666°F44°F84°F 202233°F 202332%0%
Mar 2766°F44°F84°F 201533°F 202331%0%
Mar 2866°F44°F85°F 201536°F 199931%0%
Mar 2966°F44°F81°F 201534°F 199831%0%
Mar 3066°F44°F85°F 202635°F 199830%0%
Mar 3167°F44°F85°F 201534°F 200730%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Copperopolis, in percent, and of at least 0.1 inch of snowfall.0102030401102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (PDT).

March 1
sunrise 6:34 AM, sunset 5:56 PM
March 31
sunrise 6:49 AM, sunset 7:25 PM

Every day of March: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00046174 (New Melones Dam Hq), public domain. Records: NOAA GHCN-Daily, station USC00046174, 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.