Benton County climate

Benton County Weather in March

NOAA 1991-2020 normals for Prosser, 19.5 km from Benton County

Average highs run from 51°F on March 1 to 60°F on March 31, and lows from 31°F to 38°F. Normal precipitation for the month is 0.69 in over about 6 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 Benton County, in °F, with the record for each date.020406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

March at a glance

Average high
56°F
Average low
35°F
Precipitation
0.69 in
Record high
82°FMar 26, 1960
Record low
7°FMar 5, 2019
Chance of a freeze
100%
Daylight
11 h 08 min to 12 h 47 min
Cloud cover
67%
Humidity
64%
Dew point
33°F
Wind
8.7 mph

Every day of the month

A wet day has at least 0.01 inch of precipitation.

DateNormal highNormal lowRecord highRecord lowChance wet
Mar 151°F31°F70°F 196711°F 199320%
Mar 252°F32°F73°F 194716°F 197120%
Mar 352°F32°F66°F 196811°F 201920%
Mar 452°F32°F70°F 19688°F 201920%
Mar 553°F32°F70°F 20217°F 201920%
Mar 653°F33°F68°F 197220°F 194720%
Mar 753°F33°F74°F 197921°F 199420%
Mar 854°F33°F72°F 200423°F 201920%
Mar 954°F34°F72°F 201522°F 201920%
Mar 1054°F34°F72°F 195317°F 201920%
Mar 1155°F34°F74°F 200717°F 201920%
Mar 1255°F34°F74°F 200517°F 195020%
Mar 1355°F35°F76°F 200321°F 200920%
Mar 1456°F35°F74°F 200325°F 195320%
Mar 1556°F35°F74°F 194725°F 194920%
Mar 1656°F35°F75°F 194725°F 198219%
Mar 1756°F35°F79°F 194722°F 196519%
Mar 1857°F36°F79°F 194716°F 196519%
Mar 1957°F36°F78°F 194715°F 196519%
Mar 2057°F36°F79°F 194725°F 195919%
Mar 2157°F36°F75°F 194726°F 195219%
Mar 2258°F36°F74°F 196022°F 195219%
Mar 2358°F37°F75°F 196024°F 196419%
Mar 2458°F37°F76°F 196017°F 196519%
Mar 2559°F37°F78°F 202522°F 199619%
Mar 2659°F37°F82°F 196025°F 195519%
Mar 2759°F37°F77°F 201523°F 197519%
Mar 2859°F37°F76°F 198620°F 197518%
Mar 2960°F37°F77°F 196617°F 195418%
Mar 3060°F38°F77°F 196621°F 195418%
Mar 3160°F38°F78°F 196428°F 197018%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Benton County, in percent.05101520251102030
  • Chance of a wet day

Sunrise and sunset

Times for 2026, local time (PDT).

March 1
sunrise 6:37 AM, sunset 5:45 PM
March 31
sunrise 6:39 AM, sunset 7:26 PM

Every day of March: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00456768 (Prosser), public domain. Records: NOAA GHCN-Daily, station USC00457015, 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.