Portsmouth Heights climate

Portsmouth Heights Weather in May

NOAA 1991-2020 normals for Norfolk Nas, 16.2 km from Portsmouth Heights

Average highs run from 74°F on May 1 to 80°F on May 31, and lows from 55°F to 64°F. Normal precipitation for the month is 3.55 in over about 11 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 Portsmouth Heights, in °F, with the record for each date.20406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

May at a glance

Average high
77°F
Average low
60°F
Precipitation
3.55 in
Record high
98°FMay 31, 1991
Record low
30°FMay 9, 1956
Chance of a freeze
0%
Days of 90°F or more
2.4
Daylight
13 h 43 min to 14 h 31 min
Cloud cover
59%
Humidity
78%
Dew point
58°F
Wind
10.5 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 174°F55°F89°F 196239°F 194536%0%
May 274°F56°F89°F 195432°F 194536%0%
May 375°F56°F91°F 195940°F 195736%0%
May 475°F56°F90°F 196537°F 195736%0%
May 575°F56°F90°F 195537°F 195737%0%
May 675°F57°F94°F 195040°F 195437%0%
May 775°F57°F93°F 198637°F 195137%0%
May 876°F57°F90°F 196434°F 195637%0%
May 976°F58°F93°F 196330°F 195637%0%
May 1076°F58°F95°F 196336°F 194737%0%
May 1176°F58°F88°F 196531°F 194737%0%
May 1276°F58°F91°F 195340°F 195437%0%
May 1376°F59°F92°F 195341°F 196337%0%
May 1477°F59°F95°F 195642°F 195237%0%
May 1577°F59°F91°F 196240°F 195137%0%
May 1677°F60°F92°F 195341°F 195937%0%
May 1777°F60°F90°F 196043°F 195537%0%
May 1877°F60°F93°F 194739°F 195536%0%
May 1978°F60°F95°F 196244°F 197636%0%
May 2078°F61°F97°F 202243°F 200936%0%
May 2178°F61°F92°F 197540°F 195036%0%
May 2278°F61°F91°F 195140°F 195036%0%
May 2378°F61°F96°F 195341°F 194636%0%
May 2479°F62°F93°F 197045°F 195435%0%
May 2579°F62°F90°F 196238°F 195635%0%
May 2679°F62°F94°F 195343°F 197935%0%
May 2779°F63°F92°F 199144°F 196135%0%
May 2879°F63°F92°F 199143°F 196135%0%
May 2980°F63°F93°F 201943°F 195335%0%
May 3080°F63°F94°F 198740°F 194934%0%
May 3180°F64°F98°F 199147°F 194734%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Portsmouth Heights, 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 6:11 AM, sunset 7:54 PM
May 31
sunrise 5:48 AM, sunset 8:19 PM

Every day of May: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USW00013750 (Norfolk Nas), public domain. Records: NOAA GHCN-Daily, station USC00448192, 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.