Barnwell climate

Barnwell Weather in May

NOAA 1991-2020 normals for Barnwell 5 Ene, 11.5 km from Barnwell

Average highs run from 82°F on May 1 to 88°F on May 31, and lows from 54°F to 64°F. Normal precipitation for the month is 3.58 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 Barnwell, in °F, with the record for each date.406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

May at a glance

Average high
85°F
Average low
59°F
Precipitation
3.58 in
Record high
99°FMay 28, 2019
Record low
43°FMay 8, 2020
Chance of a freeze
0%
Days of 90°F or more
8.5
Daylight
13 h 31 min to 14 h 12 min
Cloud cover
53%
Humidity
70%
Dew point
61°F
Wind
6.3 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 182°F54°F89°F 200744°F 20180%
May 283°F55°F92°F 201044°F 20060%
May 383°F55°F90°F 200744°F 20260%
May 483°F55°F90°F 201944°F 20040%
May 583°F56°F93°F 201245°F 20110%
May 683°F56°F89°F 201446°F 20160%
May 784°F56°F92°F 200444°F 20200%
May 884°F57°F92°F 200443°F 20200%
May 984°F57°F91°F 202347°F 20200%
May 1084°F57°F92°F 201146°F 20200%
May 1185°F58°F93°F 201549°F 20200%
May 1285°F58°F93°F 201846°F 20200%
May 1385°F58°F94°F 201844°F 20060%
May 1485°F59°F90°F 201847°F 20130%
May 1585°F59°F90°F 201047°F 20210%
May 1685°F60°F92°F 202545°F 20060%
May 1786°F60°F90°F 201944°F 20140%
May 1886°F60°F92°F 201943°F 20110%
May 1986°F61°F94°F 202249°F 20090%
May 2086°F61°F93°F 202245°F 20070%
May 2186°F61°F94°F 200648°F 20070%
May 2287°F62°F97°F 201151°F 20050%
May 2387°F62°F98°F 201152°F 20160%
May 2487°F62°F96°F 201156°F 20050%
May 2587°F62°F98°F 201951°F 20130%
May 2687°F63°F98°F 201951°F 20130%
May 2787°F63°F97°F 201952°F 20230%
May 2888°F63°F99°F 201956°F 20070%
May 2988°F64°F98°F 201955°F 20230%
May 3088°F64°F97°F 201954°F 20030%
May 3188°F64°F95°F 201152°F 20210%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Barnwell, 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 6:37 AM, sunset 8:08 PM
May 31
sunrise 6:17 AM, sunset 8:29 PM

Every day of May: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00380490 (Barnwell 5 Ene), public domain. Records: NOAA GHCN-Daily, station USW00063826, 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.