Stamford climate

Stamford Weather in May

NOAA 1991-2020 normals for Stamford 1, 0.5 km from Stamford

Average highs run from 82°F on May 1 to 90°F on May 31, and lows from 54°F to 65°F. Normal precipitation for the month is 3.27 in over about 6 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 Stamford, in °F, with the record for each date.20406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

May at a glance

Average high
86°F
Average low
60°F
Precipitation
3.27 in
Record high
109°FMay 24, 2000
Record low
33°FMay 3, 2013
Chance of a freeze
0%
Days of 90°F or more
12.2
Daylight
13 h 29 min to 14 h 10 min
Cloud cover
52%
Humidity
56%
Dew point
54°F
Wind
11.6 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°F100°F 200238°F 201417%0%
May 282°F55°F100°F 202037°F 196717%0%
May 382°F55°F100°F 202033°F 201317%0%
May 483°F56°F101°F 202040°F 197817%0%
May 583°F56°F104°F 201441°F 197918%0%
May 683°F56°F106°F 200041°F 199918%0%
May 783°F57°F107°F 202240°F 198218%0%
May 884°F57°F107°F 202242°F 198418%0%
May 984°F57°F103°F 202242°F 202019%0%
May 1084°F58°F107°F 196744°F 199719%0%
May 1185°F58°F102°F 200041°F 195219%0%
May 1285°F59°F100°F 197836°F 197919%0%
May 1385°F59°F100°F 202237°F 197120%0%
May 1485°F59°F105°F 196041°F 201420%0%
May 1586°F60°F106°F 202242°F 197320%0%
May 1686°F60°F106°F 197845°F 197021%0%
May 1786°F61°F104°F 201348°F 197621%0%
May 1887°F61°F106°F 202247°F 196821%0%
May 1987°F61°F107°F 202047°F 199521%0%
May 2087°F62°F105°F 202249°F 195222%0%
May 2188°F62°F101°F 195350°F 196722%0%
May 2288°F62°F104°F 195343°F 200122%0%
May 2388°F63°F106°F 200050°F 201722%0%
May 2488°F63°F109°F 200048°F 201722%0%
May 2589°F63°F102°F 198951°F 202223%0%
May 2689°F64°F102°F 201850°F 195023%0%
May 2789°F64°F107°F 201149°F 196123%0%
May 2890°F64°F109°F 201149°F 197623%0%
May 2990°F65°F103°F 198547°F 198423%0%
May 3090°F65°F101°F 201848°F 199223%0%
May 3190°F65°F103°F 199850°F 197523%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Stamford, in percent, and of at least 0.1 inch of snowfall.05101520251102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (CDT).

May 1
sunrise 6:52 AM, sunset 8:21 PM
May 31
sunrise 6:32 AM, sunset 8:42 PM

Every day of May: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00418583 (Stamford 1), public domain. Records: NOAA GHCN-Daily, station USW00013962, 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.