Delleker climate

Delleker Weather in May

NOAA 1991-2020 normals for Portola, 2.3 km from Delleker

Average highs run from 62°F on May 1 to 72°F on May 31, and lows from 32°F to 38°F. Normal precipitation for the month is 1.15 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 Delleker, in °F, with the record for each date.20406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

May at a glance

Average high
67°F
Average low
35°F
Precipitation
1.15 in
Snowfall
0.2 in
Record high
94°FMay 28, 2003
Record low
22°FMay 11, 2000
Chance of a freeze
100%
Daylight
13 h 55 min to 14 h 48 min
Cloud cover
51%
Humidity
66%
Dew point
37°F
Wind
4.9 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 162°F32°F81°F 200425°F 201118%1%
May 263°F32°F85°F 200423°F 198818%1%
May 363°F32°F87°F 200429°F 200718%1%
May 463°F32°F83°F 200430°F 198618%1%
May 564°F33°F84°F 198927°F 198618%1%
May 664°F33°F83°F 199224°F 201018%1%
May 764°F33°F83°F 198724°F 201018%1%
May 865°F33°F88°F 200129°F 202418%1%
May 965°F34°F86°F 201826°F 202218%1%
May 1065°F34°F84°F 202025°F 202218%1%
May 1166°F34°F88°F 200122°F 200018%1%
May 1266°F34°F88°F 200126°F 200018%1%
May 1366°F35°F88°F 200129°F 201018%1%
May 1467°F35°F88°F 200629°F 201018%1%
May 1567°F35°F86°F 201426°F 199918%1%
May 1667°F35°F89°F 200828°F 201118%1%
May 1767°F36°F93°F 200829°F 199818%1%
May 1868°F36°F92°F 200828°F 199818%1%
May 1968°F36°F91°F 200829°F 198917%1%
May 2068°F36°F85°F 202332°F 199417%1%
May 2169°F36°F85°F 200327°F 198617%1%
May 2269°F37°F89°F 200123°F 201017%1%
May 2369°F37°F91°F 200126°F 201017%1%
May 2470°F37°F91°F 200130°F 201317%1%
May 2570°F37°F90°F 200129°F 201016%1%
May 2670°F37°F87°F 201432°F 199816%1%
May 2770°F37°F91°F 200331°F 200616%0%
May 2871°F38°F94°F 200331°F 198816%0%
May 2971°F38°F94°F 200332°F 198815%0%
May 3071°F38°F91°F 198627°F 198515%0%
May 3172°F38°F90°F 198631°F 199015%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Delleker, 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 6:02 AM, sunset 7:57 PM
May 31
sunrise 5:36 AM, sunset 8:24 PM

Every day of May: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00047085 (Portola), public domain. Records: NOAA GHCN-Daily, station USC00267820, 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.