Grayson climate

Grayson Weather in May

NOAA 1991-2020 normals for Tracy Carbona, 19.7 km from Grayson

Average highs run from 77°F on May 1 to 84°F on May 31, and lows from 48°F to 53°F. Normal precipitation for the month is 0.72 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 Grayson, in °F, with the record for each date.20406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

May at a glance

Average high
80°F
Average low
50°F
Precipitation
0.72 in
Record high
107°FMay 17, 2009
Record low
32°FMay 5, 1959
Chance of a freeze
0%
Days of 90°F or more
5.4
Daylight
13 h 46 min to 14 h 35 min
Cloud cover
31%
Humidity
61%
Dew point
46°F
Wind
9.2 mph

Every day of the month

A wet day has at least 0.01 inch of precipitation.

DateNormal highNormal lowRecord highRecord lowChance wet
May 177°F48°F95°F 201440°F 1953
May 277°F48°F102°F 194738°F 1964
May 377°F48°F97°F 194741°F 1949
May 478°F48°F97°F 201737°F 1964
May 578°F48°F98°F 198732°F 1959
May 678°F49°F100°F 198737°F 1933
May 778°F49°F102°F 198739°F 1930
May 879°F49°F98°F 200137°F 1933
May 979°F49°F97°F 200138°F 1930
May 1079°F49°F97°F 199339°F 1930
May 1179°F49°F99°F 193438°F 1930
May 1280°F50°F98°F 197642°F 1930
May 1380°F50°F100°F 197641°F 1962
May 1480°F50°F102°F 197242°F 1943
May 1580°F50°F101°F 200840°F 1943
May 1680°F50°F105°F 200842°F 1974
May 1781°F51°F107°F 200943°F 1943
May 1881°F51°F105°F 200839°F 1974
May 1981°F51°F99°F 200840°F 1962
May 2081°F51°F99°F 200142°F 1974
May 2182°F51°F102°F 198844°F 1930
May 2282°F51°F100°F 196741°F 1960
May 2382°F52°F101°F 201743°F 1960
May 2482°F52°F100°F 192842°F 1953
May 2583°F52°F100°F 202242°F 1962
May 2683°F52°F102°F 195143°F 1953
May 2783°F52°F104°F 202046°F 1940
May 2883°F52°F105°F 198443°F 1959
May 2983°F53°F104°F 198444°F 1942
May 3084°F53°F103°F 195045°F 1927
May 3184°F53°F105°F 200143°F 1971

Chance of rain

Sunrise and sunset

Times for 2026, local time (PDT).

May 1
sunrise 6:09 AM, sunset 7:55 PM
May 31
sunrise 5:45 AM, sunset 8:20 PM

Every day of May: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00048999 (Tracy Carbona), public domain. Records: NOAA GHCN-Daily, station USW00023258, 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.