Oatfield climate

Oatfield Weather in May

NOAA 1991-2020 normals for Oregon City, 6.5 km from Oatfield

Average highs run from 68°F on May 1 to 73°F on May 31, and lows from 46°F to 51°F. Normal precipitation for the month is 2.54 in.

May day by day

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

Normal daily high and low temperature at Oatfield, in °F, with the record for each date.20406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

May at a glance

Average high
71°F
Average low
48°F
Precipitation
2.54 in
Record high
100°FMay 28, 1983
Record low
29°FMay 1, 1954
Chance of a freeze
1%
Days of 90°F or more
0.8
Daylight
14 h 19 min to 15 h 25 min
Cloud cover
70%
Humidity
82%
Dew point
48°F
Wind
4.5 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 168°F46°F89°F 201429°F 19540%
May 268°F46°F89°F 194532°F 19640%
May 368°F46°F91°F 202633°F 19640%
May 468°F46°F89°F 199234°F 19620%
May 569°F46°F87°F 199235°F 19780%
May 669°F47°F91°F 198736°F 19650%
May 769°F47°F93°F 198736°F 19650%
May 869°F47°F92°F 198735°F 19650%
May 970°F47°F91°F 194036°F 19550%
May 1070°F47°F91°F 202437°F 19630%
May 1170°F48°F91°F 197137°F 19530%
May 1270°F48°F90°F 202337°F 19430%
May 1371°F48°F96°F 193936°F 19560%
May 1471°F48°F95°F 193933°F 19640%
May 1571°F48°F93°F 200636°F 19640%
May 1671°F49°F92°F 200840°F 19500%
May 1771°F49°F95°F 200837°F 19660%
May 1872°F49°F88°F 194038°F 20030%
May 1972°F49°F91°F 196140°F 20030%
May 2072°F49°F91°F 196337°F 19750%
May 2172°F49°F87°F 198838°F 19550%
May 2272°F50°F95°F 200133°F 19600%
May 2372°F50°F90°F 194735°F 19640%
May 2473°F50°F93°F 199237°F 19550%
May 2573°F50°F90°F 193838°F 19640%
May 2673°F50°F92°F 194741°F 19640%
May 2773°F50°F95°F 200539°F 19660%
May 2873°F51°F100°F 198338°F 19540%
May 2973°F51°F90°F 197341°F 19780%
May 3073°F51°F91°F 198640°F 19550%
May 3173°F51°F93°F 200139°F 19660%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Oatfield, in percent, and of at least 0.1 inch of snowfall.00.21102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (PDT).

May 1
sunrise 5:58 AM, sunset 8:17 PM
May 31
sunrise 5:26 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 USC00356334 (Oregon City), public domain. Records: NOAA GHCN-Daily, station USW00024229, 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.