Half Moon climate

Half Moon Weather in May

NOAA 1991-2020 normals for Jacksonville Eoc, 6.2 km from Half Moon

Average highs run from 78°F on May 1 to 84°F on May 31, and lows from 54°F to 63°F. Normal precipitation for the month is 4.26 in.

May day by day

The normal high and low for each date, and the record, in °F.

Normal daily high and low temperature at Half Moon, in °F, with the record for each date.20406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

May at a glance

Average high
81°F
Average low
59°F
Precipitation
4.26 in
Record high
99°FMay 29, 2019
Record low
33°FMay 2, 1963
Chance of a freeze
0%
Days of 90°F or more
3.2
Daylight
13 h 36 min to 14 h 20 min
Cloud cover
56%
Humidity
76%
Dew point
61°F
Wind
8.1 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 178°F54°F94°F 198640°F 19820%
May 278°F55°F90°F 200233°F 19630%
May 378°F55°F94°F 195939°F 19810%
May 479°F55°F92°F 202137°F 19810%
May 579°F55°F90°F 201241°F 19970%
May 679°F56°F91°F 197740°F 19730%
May 779°F56°F94°F 197741°F 19890%
May 879°F56°F93°F 201038°F 19890%
May 979°F57°F91°F 196344°F 19560%
May 1080°F57°F93°F 196341°F 20200%
May 1180°F57°F93°F 197340°F 19770%
May 1280°F57°F89°F 201843°F 20200%
May 1380°F58°F93°F 195644°F 20200%
May 1480°F58°F96°F 195643°F 20130%
May 1580°F58°F97°F 196243°F 20210%
May 1681°F59°F91°F 199845°F 19590%
May 1781°F59°F93°F 199042°F 19840%
May 1881°F59°F95°F 197744°F 19840%
May 1981°F59°F98°F 196245°F 19760%
May 2081°F60°F94°F 196248°F 19940%
May 2181°F60°F94°F 196245°F 20020%
May 2282°F60°F93°F 196048°F 19920%
May 2382°F61°F93°F 195645°F 20020%
May 2482°F61°F97°F 201948°F 19630%
May 2582°F61°F94°F 196046°F 19670%
May 2682°F61°F96°F 201949°F 19790%
May 2783°F62°F97°F 198948°F 19610%
May 2883°F62°F95°F 196742°F 19610%
May 2983°F62°F99°F 201952°F 19970%
May 3083°F62°F96°F 201953°F 19840%
May 3184°F63°F97°F 201151°F 19960%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Half Moon, in percent, and of at least 0.1 inch of snowfall.00.21102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (EDT).

May 1
sunrise 6:19 AM, sunset 7:55 PM
May 31
sunrise 5:58 AM, sunset 8:18 PM

Every day of May: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00314471 (Jacksonville Eoc), public domain. Records: NOAA GHCN-Daily, station USW00093727, 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.