Dallesport climate

Dallesport Weather in May

NOAA 1991-2020 normals for The Dalles, 2.3 km from Dallesport

Average highs run from 69°F on May 1 to 76°F on May 31, and lows from 42°F to 51°F. Normal precipitation for the month is 0.76 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 Dallesport, in °F, with the record for each date.20406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

May at a glance

Average high
73°F
Average low
47°F
Precipitation
0.76 in
Record high
107°FMay 30, 1986
Record low
28°FMay 1, 1954
Chance of a freeze
11%
Days of 90°F or more
2.0
Daylight
14 h 20 min to 15 h 27 min
Cloud cover
62%
Humidity
75%
Dew point
44°F
Wind
6.0 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 169°F42°F93°F 199828°F 195423%0%
May 270°F43°F91°F 201632°F 195222%0%
May 370°F43°F92°F 196632°F 200722%0%
May 470°F43°F95°F 196633°F 196222%0%
May 571°F44°F91°F 195333°F 196522%0%
May 671°F44°F94°F 198734°F 200022%0%
May 771°F44°F97°F 198735°F 198421%0%
May 872°F45°F99°F 198732°F 200221%0%
May 972°F45°F93°F 198735°F 199021%0%
May 1072°F45°F92°F 196932°F 199921%0%
May 1172°F46°F97°F 194931°F 197021%0%
May 1273°F46°F93°F 199734°F 198521%0%
May 1373°F46°F96°F 197336°F 196321%0%
May 1473°F47°F98°F 197333°F 196421%0%
May 1574°F47°F93°F 200636°F 196421%0%
May 1674°F47°F95°F 200838°F 197421%0%
May 1774°F47°F98°F 200837°F 197421%0%
May 1874°F48°F97°F 196836°F 196621%0%
May 1974°F48°F96°F 202334°F 200320%0%
May 2075°F48°F93°F 196338°F 198720%0%
May 2175°F49°F95°F 195835°F 196020%0%
May 2275°F49°F99°F 200133°F 196020%0%
May 2375°F49°F99°F 200134°F 196420%0%
May 2475°F49°F95°F 198338°F 198919%0%
May 2576°F50°F95°F 196636°F 196419%0%
May 2676°F50°F93°F 200137°F 196419%0%
May 2776°F50°F95°F 195239°F 197319%0%
May 2876°F50°F104°F 198338°F 195419%0%
May 2976°F50°F103°F 198336°F 197618%0%
May 3076°F51°F107°F 198640°F 197918%0%
May 3176°F51°F98°F 198641°F 197418%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Dallesport, in percent, and of at least 0.1 inch of snowfall.05101520251102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (PDT).

May 1
sunrise 5:52 AM, sunset 8:12 PM
May 31
sunrise 5:19 AM, sunset 8:46 PM

Every day of May: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00358407 (The Dalles), public domain. Records: NOAA GHCN-Daily, station USW00024219, 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.