Wallowa County climate

Wallowa County Weather in May

NOAA 1991-2020 normals for Enterprise 20 Nne, 14.4 km from Wallowa County

Average highs run from 64°F on May 1 to 73°F on May 31, and lows from 32°F to 39°F. Normal precipitation for the month is 2.08 in over about 9 wet days.

May day by day

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

Normal daily high and low temperature at Wallowa County, in °F, with the record for each date.020406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

May at a glance

Average high
69°F
Average low
36°F
Precipitation
2.08 in
Snowfall
1.1 in
Record high
98°FMay 31, 1903
Record low
18°FMay 9, 1996
Chance of a freeze
100%
Days of 90°F or more
1.2
Daylight
14 h 20 min to 15 h 26 min
Cloud cover
67%
Humidity
66%
Dew point
37°F
Wind
5.4 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
May 164°F32°F79°F 191819°F 195429%6%
May 264°F33°F79°F 199821°F 192829%6%
May 365°F33°F83°F 191820°F 199629%6%
May 465°F33°F77°F 191820°F 193729%5%
May 565°F33°F77°F 192521°F 193929%5%
May 666°F34°F84°F 194719°F 192429%5%
May 766°F34°F84°F 194721°F 190329%5%
May 866°F34°F80°F 192324°F 199929%4%
May 967°F34°F84°F 190618°F 199629%4%
May 1067°F35°F83°F 192424°F 189429%4%
May 1168°F35°F86°F 192420°F 194229%4%
May 1268°F35°F83°F 192422°F 194329%3%
May 1368°F35°F84°F 193123°F 194329%3%
May 1469°F36°F83°F 193922°F 189629%3%
May 1569°F36°F84°F 192425°F 189629%3%
May 1669°F36°F83°F 201224°F 194229%3%
May 1770°F36°F87°F 200620°F 191329%2%
May 1870°F37°F88°F 191920°F 192729%2%
May 1970°F37°F87°F 195422°F 193129%2%
May 2070°F37°F88°F 191925°F 192729%2%
May 2171°F37°F90°F 191921°F 193128%2%
May 2271°F38°F84°F 191923°F 191828%2%
May 2371°F38°F85°F 195125°F 191628%2%
May 2472°F38°F87°F 200126°F 193528%2%
May 2572°F38°F86°F 200324°F 193028%1%
May 2672°F38°F87°F 193626°F 191828%1%
May 2772°F39°F86°F 193424°F 191828%1%
May 2873°F39°F85°F 193427°F 191428%1%
May 2973°F39°F85°F 189726°F 195128%1%
May 3073°F39°F92°F 190324°F 192628%1%
May 3173°F39°F98°F 190326°F 191928%1%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Wallowa County, in percent, and of at least 0.1 inch of snowfall.01020301102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (PDT).

May 1
sunrise 5:36 AM, sunset 7:56 PM
May 31
sunrise 5:04 AM, sunset 8:30 PM

Every day of May: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00352678 (Enterprise 20 Nne), public domain. Records: NOAA GHCN-Daily, station USC00354329, 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.