Folsom climate

Folsom Weather in May

NOAA 1991-2020 normals for Hammonton 1 Ne, 5.7 km from Folsom

Average highs run from 69°F on May 1 to 77°F on May 31, and lows from 46°F to 56°F. Normal precipitation for the month is 3.54 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 Folsom, in °F, with the record for each date.20406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

May at a glance

Average high
73°F
Average low
51°F
Precipitation
3.54 in
Record high
99°FMay 29, 1969
Record low
25°FMay 11, 1966
Chance of a freeze
5%
Days of 90°F or more
1.5
Daylight
13 h 53 min to 14 h 46 min
Cloud cover
61%
Humidity
79%
Dew point
54°F
Wind
9.6 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 169°F46°F91°F 201026°F 197839%0%
May 270°F47°F91°F 201832°F 197839%0%
May 370°F47°F93°F 201835°F 198640%0%
May 470°F47°F91°F 196533°F 196740%0%
May 571°F48°F87°F 200032°F 197640%0%
May 671°F48°F91°F 198637°F 197240%0%
May 771°F48°F93°F 200031°F 198140%0%
May 871°F49°F91°F 200026°F 198140%0%
May 972°F49°F93°F 196332°F 198140%0%
May 1072°F49°F92°F 196529°F 196640%0%
May 1172°F49°F88°F 196525°F 196640%0%
May 1272°F50°F90°F 195934°F 196941%0%
May 1372°F50°F89°F 199132°F 196741%0%
May 1473°F50°F90°F 199132°F 199441%0%
May 1573°F51°F89°F 201837°F 196641%0%
May 1673°F51°F88°F 199833°F 196641%0%
May 1773°F51°F93°F 197434°F 196741%0%
May 1874°F52°F93°F 198737°F 200341%0%
May 1974°F52°F96°F 196237°F 199141%0%
May 2074°F52°F97°F 202631°F 199141%0%
May 2174°F53°F93°F 199628°F 199241%0%
May 2275°F53°F94°F 202136°F 200241%0%
May 2375°F53°F94°F 196439°F 198141%0%
May 2475°F54°F94°F 196438°F 196341%0%
May 2575°F54°F94°F 199138°F 196341%0%
May 2676°F54°F93°F 196540°F 198841%0%
May 2776°F55°F93°F 199136°F 196941%0%
May 2876°F55°F93°F 199136°F 199441%0%
May 2977°F55°F99°F 196937°F 199741%0%
May 3077°F56°F96°F 199139°F 199341%0%
May 3177°F56°F96°F 199136°F 196641%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Folsom, in percent, and of at least 0.1 inch of snowfall.010203040501102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (EDT).

May 1
sunrise 6:00 AM, sunset 7:53 PM
May 31
sunrise 5:34 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 USC00283662 (Hammonton 1 Ne), public domain. Records: NOAA GHCN-Daily, station USW00093730, 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.