Jefferson County climate

Jefferson County Weather in March

NOAA 1991-2020 normals for Hamer 4 Nw, 16.7 km from Jefferson County

Average highs run from 42°F on March 1 to 55°F on March 31, and lows from 16°F to 26°F. Normal precipitation for the month is 0.50 in over about 4 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 Jefferson County, in °F, with the record for each date.-20020406080151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

March at a glance

Average high
49°F
Average low
22°F
Precipitation
0.50 in
Snowfall
1.7 in
Record high
78°FMar 20, 2026
Record low
-16°FMar 2, 1960
Chance of a freeze
100%
Daylight
11 h 12 min to 12 h 43 min
Cloud cover
67%
Humidity
69%
Dew point
23°F
Wind
7.4 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 142°F16°F62°F 1992-15°F 196015%7%
Mar 242°F17°F60°F 1992-16°F 196015%7%
Mar 343°F17°F64°F 1992-13°F 200215%7%
Mar 443°F17°F63°F 1987-8°F 198515%6%
Mar 544°F18°F62°F 1987-14°F 195515%6%
Mar 644°F18°F59°F 1986-5°F 195515%6%
Mar 745°F19°F60°F 1970-6°F 196414%6%
Mar 845°F19°F61°F 2026-3°F 196414%5%
Mar 946°F19°F66°F 19721°F 202414%5%
Mar 1046°F20°F65°F 1972-7°F 202214%5%
Mar 1147°F20°F63°F 20150°F 196914%4%
Mar 1247°F21°F64°F 2007-2°F 197614%4%
Mar 1348°F21°F69°F 20030°F 196214%4%
Mar 1448°F21°F67°F 1992-10°F 196414%4%
Mar 1549°F22°F70°F 2015-3°F 195614%4%
Mar 1649°F22°F67°F 20153°F 196414%3%
Mar 1750°F22°F71°F 20267°F 196414%3%
Mar 1850°F23°F76°F 20262°F 196514%3%
Mar 1951°F23°F76°F 20268°F 195214%3%
Mar 2051°F23°F78°F 2026-3°F 200014%3%
Mar 2152°F24°F73°F 20263°F 195514%2%
Mar 2252°F24°F71°F 1972-1°F 195215%2%
Mar 2352°F24°F70°F 20044°F 196415%2%
Mar 2453°F25°F70°F 20125°F 196415%2%
Mar 2553°F25°F73°F 20263°F 196415%2%
Mar 2654°F25°F71°F 20258°F 195515%2%
Mar 2754°F25°F72°F 20229°F 196415%2%
Mar 2854°F26°F73°F 19866°F 196416%2%
Mar 2955°F26°F70°F 19688°F 198716%2%
Mar 3055°F26°F72°F 200415°F 195416%2%
Mar 3155°F26°F73°F 201217°F 198816%2%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Jefferson County, in percent, and of at least 0.1 inch of snowfall.051015201102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (MDT).

March 1
sunrise 7:06 AM, sunset 6:18 PM
March 31
sunrise 7:12 AM, sunset 7:55 PM

Every day of March: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00103964 (Hamer 4 Nw), public domain. Records: NOAA GHCN-Daily, station USW00024145, 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.