Arco climate

Arco Weather in March

NOAA 1991-2020 normals for Arco, 0.2 km from Arco

Average highs run from 39°F on March 1 to 52°F on March 31, and lows from 17°F to 27°F. Normal precipitation for the month is 0.68 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 Arco, in °F, with the record for each date.020406080151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

March at a glance

Average high
46°F
Average low
23°F
Precipitation
0.68 in
Snowfall
1.1 in
Record high
77°FMar 19, 2026
Record low
6°FMar 7, 2023
Chance of a freeze
100%
Daylight
11 h 13 min to 12 h 43 min
Cloud cover
63%
Humidity
71%
Dew point
22°F
Wind
7.8 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 139°F17°F51°F 202514°F 202114%5%
Mar 240°F17°F53°F 20228°F 202314%4%
Mar 340°F18°F53°F 202210°F 201914%4%
Mar 441°F18°F56°F 20168°F 201914%4%
Mar 541°F19°F55°F 201610°F 201814%4%
Mar 642°F19°F56°F 201510°F 201814%4%
Mar 742°F20°F62°F 20156°F 202314%4%
Mar 842°F20°F62°F 20268°F 202413%4%
Mar 943°F20°F60°F 20158°F 202313%4%
Mar 1043°F21°F63°F 20156°F 202213%4%
Mar 1144°F21°F59°F 201511°F 202213%4%
Mar 1244°F22°F62°F 201515°F 201913%3%
Mar 1345°F22°F63°F 201521°F 202413%3%
Mar 1445°F22°F65°F 201518°F 201913%3%
Mar 1546°F23°F65°F 201517°F 201913%3%
Mar 1646°F23°F65°F 202615°F 202313%3%
Mar 1747°F24°F72°F 202612°F 202313%3%
Mar 1847°F24°F76°F 202613°F 202313%3%
Mar 1947°F24°F77°F 202614°F 202513%3%
Mar 2048°F25°F77°F 202627°F 201913%3%
Mar 2148°F25°F76°F 202623°F 202513%3%
Mar 2249°F25°F69°F 202621°F 202313%3%
Mar 2349°F26°F65°F 202625°F 201613%3%
Mar 2449°F26°F69°F 202623°F 202113%3%
Mar 2550°F26°F70°F 202614°F 202313%3%
Mar 2650°F26°F70°F 202515°F 202313%2%
Mar 2751°F27°F70°F 202512°F 202314%2%
Mar 2851°F27°F70°F 202623°F 202314%2%
Mar 2951°F27°F69°F 202624°F 202414%2%
Mar 3052°F27°F69°F 201518°F 202114%2%
Mar 3152°F27°F66°F 201522°F 202114%2%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Arco, in percent, and of at least 0.1 inch of snowfall.0510151102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (MDT).

March 1
sunrise 7:09 AM, sunset 6:22 PM
March 31
sunrise 7:16 AM, sunset 7:59 PM

Every day of March: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00100375 (Arco), public domain. Records: NOAA GHCN-Daily, station USC00100774, 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.