Sussex County climate

Sussex County Weather in May

NOAA 1991-2020 normals for Stony Creek 2 N, 13.9 km from Sussex County

Average highs run from 76°F on May 1 to 81°F on May 31, and lows from 50°F to 59°F. Normal precipitation for the month is 3.93 in over about 9 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 Sussex County, in °F, with the record for each date.20406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

May at a glance

Average high
78°F
Average low
54°F
Precipitation
3.93 in
Record high
97°FMay 30, 2019
Record low
32°FMay 10, 2020
Chance of a freeze
7%
Days of 90°F or more
2.8
Daylight
13 h 43 min to 14 h 30 min
Cloud cover
60%
Humidity
75%
Dew point
57°F
Wind
4.3 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 176°F50°F89°F 201040°F 200628%0%
May 276°F50°F92°F 201036°F 200628%0%
May 376°F50°F89°F 202040°F 202328%0%
May 476°F51°F91°F 202137°F 200428%0%
May 577°F51°F89°F 201038°F 200328%0%
May 677°F51°F92°F 201043°F 200228%0%
May 777°F51°F91°F 200041°F 200728%0%
May 877°F52°F91°F 201440°F 201728%0%
May 977°F52°F91°F 200935°F 202028%0%
May 1077°F52°F88°F 200032°F 202029%0%
May 1178°F53°F88°F 200139°F 202629%0%
May 1278°F53°F93°F 201835°F 202629%0%
May 1378°F53°F95°F 200039°F 202029%0%
May 1478°F53°F92°F 201835°F 201329%0%
May 1578°F54°F89°F 201041°F 199829%0%
May 1678°F54°F91°F 202538°F 201629%0%
May 1778°F54°F94°F 202648°F 200629%0%
May 1879°F55°F95°F 202644°F 202129%0%
May 1979°F55°F95°F 202641°F 200229%0%
May 2079°F55°F95°F 202239°F 200229%0%
May 2179°F56°F94°F 202241°F 200229%0%
May 2279°F56°F90°F 201435°F 200229%0%
May 2380°F56°F92°F 202136°F 200229%0%
May 2480°F57°F93°F 201944°F 200629%0%
May 2580°F57°F91°F 200443°F 201329%0%
May 2680°F57°F95°F 201941°F 201329%0%
May 2780°F58°F94°F 201045°F 201329%0%
May 2881°F58°F96°F 202146°F 200829%0%
May 2981°F58°F96°F 201942°F 200829%0%
May 3081°F59°F97°F 201950°F 200829%0%
May 3181°F59°F97°F 201146°F 202628%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Sussex County, in percent, and of at least 0.1 inch of snowfall.01020301102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (EDT).

May 1
sunrise 6:15 AM, sunset 7:58 PM
May 31
sunrise 5:52 AM, sunset 8:22 PM

Every day of May: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00448129 (Stony Creek 2 N), public domain. Records: NOAA GHCN-Daily, station USW00093773, 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.