Livermore climate

Livermore Weather in May

NOAA 1991-2020 normals for Calhoun Lock 2, 12.7 km from Livermore

Average highs run from 73°F on May 1 to 81°F on May 31, and lows from 52°F to 61°F. Normal precipitation for the month is 4.59 in over about 10 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 Livermore, in °F, with the record for each date.20406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

May at a glance

Average high
77°F
Average low
57°F
Precipitation
4.59 in
Record high
91°FMay 14, 2018
Record low
36°FMay 1, 2005
Chance of a freeze
0%
Days of 90°F or more
0.5
Daylight
13 h 46 min to 14 h 34 min
Cloud cover
64%
Humidity
80%
Dew point
59°F
Wind
6.5 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 173°F52°F90°F 200736°F 200535%0%
May 273°F53°F90°F 200737°F 200535%0%
May 374°F53°F82°F 201237°F 200535%0%
May 474°F53°F85°F 201237°F 200535%0%
May 574°F54°F86°F 201438°F 200535%0%
May 674°F54°F88°F 201240°F 200535%0%
May 775°F54°F89°F 200441°F 201735%0%
May 875°F55°F86°F 200443°F 202035%0%
May 975°F55°F86°F 200741°F 200835%0%
May 1075°F55°F87°F 200739°F 202035%0%
May 1176°F55°F86°F 201839°F 202034%0%
May 1276°F56°F87°F 200540°F 200834%0%
May 1376°F56°F88°F 201841°F 201334%0%
May 1476°F56°F91°F 201842°F 202134%0%
May 1577°F57°F91°F 202240°F 201634%0%
May 1677°F57°F90°F 202246°F 202134%0%
May 1777°F57°F84°F 201745°F 201134%0%
May 1877°F57°F87°F 201944°F 200933%0%
May 1978°F58°F87°F 200444°F 200833%0%
May 2078°F58°F90°F 201247°F 200633%0%
May 2178°F58°F87°F 200447°F 200833%0%
May 2278°F59°F88°F 201444°F 201532%0%
May 2379°F59°F87°F 201050°F 200332%0%
May 2479°F59°F88°F 201946°F 201332%0%
May 2579°F59°F89°F 201248°F 201332%0%
May 2679°F60°F91°F 201245°F 200332%0%
May 2780°F60°F88°F 201050°F 200532%0%
May 2880°F60°F91°F 201253°F 200332%0%
May 2980°F61°F91°F 200654°F 200332%0%
May 3080°F61°F88°F 200653°F 200331%0%
May 3181°F61°F87°F 200653°F 200331%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Livermore, in percent, and of at least 0.1 inch of snowfall.0102030401102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (CDT).

May 1
sunrise 5:53 AM, sunset 7:39 PM
May 31
sunrise 5:29 AM, sunset 8:03 PM

Every day of May: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00151227 (Calhoun Lock 2), public domain. Records: NOAA GHCN-Daily, station USC00151227, 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.