Pateros climate

Pateros Weather in May

NOAA 1991-2020 normals for Chief Joseph Dam, 19.9 km from Pateros

Average highs run from 70°F on May 1 to 77°F on May 31, and lows from 42°F to 50°F. Normal precipitation for the month is 0.92 in over about 6 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 Pateros, in °F, with the record for each date.020406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

May at a glance

Average high
74°F
Average low
46°F
Precipitation
0.92 in
Record high
100°FMay 31, 1986
Record low
20°FMay 1, 1954
Chance of a freeze
35%
Days of 90°F or more
1.6
Daylight
14 h 32 min to 15 h 46 min
Cloud cover
64%
Humidity
64%
Dew point
38°F
Wind
5.1 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 170°F42°F84°F 191120°F 195416%0%
May 270°F42°F87°F 202323°F 194816%0%
May 370°F42°F87°F 202324°F 196316%0%
May 471°F42°F87°F 196622°F 196216%0%
May 571°F43°F91°F 196622°F 198116%0%
May 671°F43°F92°F 199222°F 193716%0%
May 772°F43°F91°F 199224°F 193016%0%
May 872°F44°F91°F 198722°F 198116%0%
May 972°F44°F91°F 194924°F 195517%0%
May 1072°F44°F91°F 201323°F 201417%0%
May 1173°F45°F93°F 194922°F 198517%0%
May 1273°F45°F96°F 199321°F 198517%0%
May 1373°F45°F96°F 199327°F 191917%0%
May 1474°F46°F91°F 194927°F 191618%0%
May 1574°F46°F91°F 192424°F 197418%0%
May 1674°F46°F90°F 200624°F 197418%0%
May 1774°F46°F95°F 200625°F 193718%0%
May 1875°F47°F94°F 200625°F 202619%0%
May 1975°F47°F94°F 200628°F 193319%0%
May 2075°F47°F89°F 202329°F 196519%0%
May 2175°F48°F90°F 195829°F 193419%0%
May 2276°F48°F92°F 195825°F 196019%0%
May 2376°F48°F91°F 195828°F 196419%0%
May 2476°F48°F92°F 200131°F 198419%0%
May 2576°F48°F94°F 195826°F 198419%0%
May 2676°F49°F94°F 195825°F 193020%0%
May 2776°F49°F94°F 195829°F 197720%0%
May 2877°F49°F95°F 193428°F 191420%0%
May 2977°F49°F96°F 198328°F 197620%0%
May 3077°F49°F99°F 198628°F 201420%0%
May 3177°F50°F100°F 198627°F 198420%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Pateros, 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 (PDT).

May 1
sunrise 5:41 AM, sunset 8:13 PM
May 31
sunrise 5:05 AM, sunset 8:51 PM

Every day of May: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00451400 (Chief Joseph Dam), public domain. Records: NOAA GHCN-Daily, station USC00459376, 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.