Roy climate

Roy Weather in March

NOAA 1991-2020 normals for Mcmillin Rsvr, 26 km from Roy

Average highs run from 50°F on March 1 to 55°F on March 31, and lows from 34°F to 37°F. Normal precipitation for the month is 4.80 in over about 20 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 Roy, in °F, with the record for each date.20304050607080151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

March at a glance

Average high
52°F
Average low
36°F
Precipitation
4.80 in
Snowfall
0.6 in
Record high
76°FMar 19, 2019
Record low
26°FMar 5, 2019
Chance of a freeze
97%
Daylight
11 h 06 min to 12 h 47 min
Cloud cover
74%
Humidity
88%
Dew point
38°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
Mar 150°F34°F63°F 202527°F 202359%2%
Mar 250°F34°F59°F 202632°F 200259%2%
Mar 350°F34°F60°F 200530°F 200160%2%
Mar 450°F34°F59°F 200228°F 201960%2%
Mar 551°F34°F60°F 200526°F 201960%2%
Mar 651°F35°F66°F 200728°F 201260%2%
Mar 751°F35°F65°F 200129°F 201261%2%
Mar 851°F35°F68°F 200529°F 201961%2%
Mar 951°F35°F58°F 201429°F 201061%2%
Mar 1052°F35°F62°F 200528°F 201961%2%
Mar 1152°F35°F65°F 200528°F 200961%2%
Mar 1252°F35°F71°F 201831°F 202361%2%
Mar 1352°F35°F63°F 200531°F 200961%2%
Mar 1452°F36°F64°F 200532°F 201061%2%
Mar 1552°F36°F61°F 201030°F 202161%2%
Mar 1653°F36°F70°F 202430°F 202161%2%
Mar 1753°F36°F71°F 202430°F 202061%2%
Mar 1853°F36°F70°F 201933°F 201761%2%
Mar 1953°F36°F76°F 201932°F 201261%2%
Mar 2053°F36°F74°F 201933°F 200061%1%
Mar 2153°F36°F66°F 200431°F 200961%1%
Mar 2253°F36°F64°F 202232°F 201361%1%
Mar 2354°F37°F60°F 200632°F 201261%1%
Mar 2454°F37°F66°F 201033°F 200861%1%
Mar 2554°F37°F69°F 202532°F 200861%1%
Mar 2654°F37°F69°F 201532°F 200961%1%
Mar 2754°F37°F66°F 201533°F 200860%1%
Mar 2854°F37°F61°F 201932°F 199960%1%
Mar 2954°F37°F76°F 200433°F 200960%1%
Mar 3055°F37°F67°F 200331°F 202660%1%
Mar 3155°F37°F71°F 201635°F 200859%1%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Roy, in percent, and of at least 0.1 inch of snowfall.0204060801102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (PDT).

March 1
sunrise 6:50 AM, sunset 5:56 PM
March 31
sunrise 6:51 AM, sunset 7:38 PM

Every day of March: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00455224 (Mcmillin Rsvr), public domain. Records: NOAA GHCN-Daily, station USW00094274, 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.