Fallbrook climate

Fallbrook Weather in May

NOAA 1991-2020 normals for Fallbrook 5 Ne, 9 km from Fallbrook

Average highs run from 74°F on May 1 to 77°F on May 31, and lows from 52°F to 54°F. Normal precipitation for the month is 0.36 in over about 5 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 Fallbrook, in °F, with the record for each date.406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

May at a glance

Average high
75°F
Average low
53°F
Precipitation
0.36 in
Record high
105°FMay 15, 2014
Record low
44°FMay 6, 2024
Chance of a freeze
0%
Days of 90°F or more
1.9
Daylight
13 h 31 min to 14 h 12 min
Cloud cover
43%
Humidity
70%
Dew point
51°F
Wind
6.7 mph

Every day of the month

A wet day has at least 0.01 inch of precipitation.

DateNormal highNormal lowRecord highRecord lowChance wet
May 174°F52°F97°F 201446°F 201014%
May 274°F52°F97°F 201448°F 201814%
May 374°F52°F95°F 201345°F 202314%
May 474°F52°F95°F 201848°F 202314%
May 574°F52°F96°F 201848°F 201414%
May 674°F52°F92°F 202044°F 202414%
May 774°F52°F93°F 202044°F 201715%
May 874°F52°F83°F 202644°F 201715%
May 974°F53°F96°F 202547°F 201515%
May 1075°F53°F102°F 202546°F 202215%
May 1175°F53°F93°F 202544°F 202215%
May 1275°F53°F98°F 201346°F 201015%
May 1375°F53°F103°F 201350°F 200815%
May 1475°F53°F99°F 201449°F 201515%
May 1575°F53°F105°F 201446°F 201115%
May 1675°F53°F99°F 200844°F 201115%
May 1775°F53°F98°F 200848°F 201115%
May 1875°F53°F96°F 200847°F 201915%
May 1976°F53°F94°F 200849°F 201114%
May 2076°F53°F98°F 201748°F 202014%
May 2176°F53°F91°F 202550°F 202114%
May 2276°F53°F87°F 201747°F 202114%
May 2376°F53°F87°F 201748°F 200814%
May 2476°F53°F90°F 202145°F 201014%
May 2576°F53°F86°F 202147°F 201013%
May 2676°F54°F86°F 201447°F 200813%
May 2777°F54°F88°F 202047°F 201213%
May 2877°F54°F84°F 201447°F 201913%
May 2977°F54°F85°F 201048°F 200812%
May 3077°F54°F103°F 202546°F 201112%
May 3177°F54°F90°F 202551°F 201212%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Fallbrook, in percent.0510151102030
  • Chance of a wet day

Sunrise and sunset

Times for 2026, local time (PDT).

May 1
sunrise 6:01 AM, sunset 7:32 PM
May 31
sunrise 5:41 AM, sunset 7:53 PM

Every day of May: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USW00053151 (Fallbrook 5 Ne), public domain. Records: NOAA GHCN-Daily, station USW00053151, 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.