Dorchester County climate

Dorchester County Weather in May

NOAA 1991-2020 normals for Patuxent River Nas, 32.2 km from Dorchester County

Average highs run from 71°F on May 1 to 79°F on May 31, and lows from 53°F to 62°F. Normal precipitation for the month is 3.66 in over about 12 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 Dorchester County, in °F, with the record for each date.20406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

May at a glance

Average high
75°F
Average low
57°F
Precipitation
3.66 in
Record high
97°FMay 31, 2011
Record low
35°FMay 4, 1957
Chance of a freeze
0%
Days of 90°F or more
1.4
Daylight
13 h 49 min to 14 h 39 min
Cloud cover
59%
Humidity
77%
Dew point
56°F
Wind
8.5 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 171°F53°F84°F 195338°F 201538%0%
May 271°F53°F87°F 195439°F 200638%0%
May 372°F53°F88°F 195438°F 196338%0%
May 472°F54°F88°F 196535°F 195738%0%
May 572°F54°F88°F 195540°F 199738%0%
May 672°F54°F90°F 195040°F 199238%0%
May 772°F55°F92°F 200038°F 200138%0%
May 873°F55°F90°F 200036°F 199738%0%
May 973°F55°F90°F 196337°F 202038%0%
May 1073°F56°F92°F 196336°F 196238%0%
May 1173°F56°F87°F 198735°F 196638%0%
May 1274°F56°F90°F 195941°F 196238%0%
May 1374°F57°F92°F 200036°F 202038%0%
May 1474°F57°F94°F 195637°F 199638%0%
May 1574°F57°F94°F 196238°F 201738%0%
May 1675°F57°F91°F 199839°F 201638%0%
May 1775°F58°F91°F 201737°F 195638%0%
May 1875°F58°F93°F 196239°F 195538%0%
May 1975°F58°F95°F 196240°F 200938%0%
May 2076°F59°F95°F 199642°F 200238%0%
May 2176°F59°F93°F 202238°F 200238%0%
May 2276°F59°F90°F 199641°F 200237%0%
May 2376°F59°F92°F 202143°F 199737%0%
May 2477°F60°F89°F 195537°F 196337%0%
May 2577°F60°F90°F 199141°F 195637%0%
May 2677°F60°F92°F 201142°F 196737%0%
May 2777°F61°F92°F 196545°F 196137%0%
May 2878°F61°F90°F 199140°F 199737%0%
May 2978°F61°F92°F 196942°F 199737%0%
May 3078°F62°F95°F 199143°F 194937%0%
May 3179°F62°F97°F 201145°F 196137%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Dorchester County, in percent, and of at least 0.1 inch of snowfall.0102030401102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (EDT).

May 1
sunrise 6:07 AM, sunset 7:56 PM
May 31
sunrise 5:43 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 USW00013721 (Patuxent River Nas), public domain. Records: NOAA GHCN-Daily, station USC00187806, 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.