Oak Glen climate

Oak Glen Weather in May

NOAA 1991-2020 normals for Big Bear Lake, 21.7 km from Oak Glen

Average highs run from 61°F on May 1 to 71°F on May 31, and lows from 34°F to 40°F. Normal precipitation for the month is 0.42 in over about 2 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 Oak Glen, in °F, with the record for each date.020406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

May at a glance

Average high
66°F
Average low
37°F
Precipitation
0.42 in
Snowfall
0.6 in
Record high
87°FMay 28, 2003
Record low
18°FMay 1, 1967
Chance of a freeze
94%
Daylight
13 h 34 min to 14 h 16 min
Cloud cover
25%
Humidity
49%
Dew point
38°F
Wind
7.4 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 161°F34°F77°F 198118°F 196710%2%
May 261°F34°F75°F 196625°F 19839%2%
May 362°F35°F78°F 200423°F 19659%2%
May 462°F35°F79°F 200422°F 19659%2%
May 562°F35°F78°F 200421°F 19759%2%
May 662°F35°F79°F 200121°F 19759%2%
May 763°F36°F81°F 200919°F 19648%1%
May 863°F36°F81°F 200918°F 19648%1%
May 963°F36°F81°F 200923°F 19658%1%
May 1064°F36°F79°F 200923°F 20038%1%
May 1164°F36°F83°F 200923°F 19778%1%
May 1264°F37°F81°F 199619°F 19637%1%
May 1365°F37°F80°F 201220°F 19627%1%
May 1465°F37°F81°F 201221°F 19617%1%
May 1565°F37°F79°F 201223°F 19637%1%
May 1666°F37°F82°F 201225°F 20117%1%
May 1766°F38°F82°F 201224°F 19616%1%
May 1867°F38°F84°F 200827°F 19626%1%
May 1967°F38°F83°F 200824°F 19746%1%
May 2067°F38°F83°F 200821°F 19746%1%
May 2168°F38°F83°F 200523°F 19756%1%
May 2268°F38°F84°F 198424°F 20216%1%
May 2368°F39°F82°F 198424°F 20105%1%
May 2469°F39°F82°F 200024°F 19805%1%
May 2569°F39°F82°F 200525°F 20085%1%
May 2669°F39°F82°F 198427°F 19655%1%
May 2770°F39°F85°F 200327°F 19615%1%
May 2870°F39°F87°F 200324°F 19645%1%
May 2970°F40°F84°F 197528°F 19634%1%
May 3071°F40°F83°F 200223°F 19614%1%
May 3171°F40°F84°F 200128°F 19654%1%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Oak Glen, in percent, and of at least 0.1 inch of snowfall.02468101102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (PDT).

May 1
sunrise 5:58 AM, sunset 7:32 PM
May 31
sunrise 5:38 AM, sunset 7:54 PM

Every day of May: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00040741 (Big Bear Lake), public domain. Records: NOAA GHCN-Daily, station USC00040741, 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.