Oakley climate

Oakley Weather in May

NOAA 1991-2020 normals for Antioch Pumping Plt #3, 3.9 km from Oakley

Average highs run from 76°F on May 1 to 82°F on May 31, and lows from 52°F to 57°F. Normal precipitation for the month is 0.38 in over about 3 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 Oakley, in °F, with the record for each date.20406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

May at a glance

Average high
79°F
Average low
54°F
Precipitation
0.38 in
Record high
107°FMay 31, 2021
Record low
34°FMay 13, 1968
Chance of a freeze
0%
Days of 90°F or more
3.8
Daylight
13 h 48 min to 14 h 37 min
Cloud cover
35%
Humidity
61%
Dew point
48°F
Wind
8.3 mph

Every day of the month

A wet day has at least 0.01 inch of precipitation.

DateNormal highNormal lowRecord highRecord lowChance wet
May 176°F52°F96°F 199637°F 196910%
May 276°F52°F93°F 200440°F 198810%
May 376°F52°F95°F 202136°F 196410%
May 476°F52°F96°F 199238°F 198810%
May 577°F52°F99°F 202140°F 19889%
May 677°F53°F104°F 198742°F 19659%
May 777°F53°F101°F 198742°F 19779%
May 877°F53°F97°F 198942°F 19569%
May 978°F53°F95°F 200142°F 19569%
May 1078°F53°F100°F 198740°F 19689%
May 1178°F53°F100°F 198740°F 19689%
May 1278°F54°F99°F 198737°F 19688%
May 1378°F54°F101°F 197634°F 19688%
May 1479°F54°F100°F 197240°F 19688%
May 1579°F54°F100°F 198745°F 19638%
May 1679°F54°F101°F 197044°F 19718%
May 1779°F55°F101°F 200943°F 19748%
May 1879°F55°F101°F 199741°F 19748%
May 1980°F55°F98°F 200146°F 19747%
May 2080°F55°F99°F 200141°F 19917%
May 2180°F55°F99°F 196746°F 19607%
May 2280°F55°F99°F 200044°F 19607%
May 2381°F56°F99°F 198240°F 19577%
May 2481°F56°F100°F 198243°F 19846%
May 2581°F56°F102°F 202242°F 19696%
May 2681°F56°F103°F 202046°F 19696%
May 2781°F56°F103°F 202046°F 19986%
May 2882°F56°F105°F 198447°F 20106%
May 2982°F57°F100°F 197338°F 19875%
May 3082°F57°F102°F 200145°F 19875%
May 3182°F57°F107°F 202140°F 19875%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Oakley, in percent.02468101102030
  • Chance of a wet day

Sunrise and sunset

Times for 2026, local time (PDT).

May 1
sunrise 6:10 AM, sunset 7:58 PM
May 31
sunrise 5:46 AM, sunset 8:23 PM

Every day of May: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00040232 (Antioch Pumping Plt #3), public domain. Records: NOAA GHCN-Daily, station USC00049001, 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.