Florence climate

Florence Weather in May

NOAA 1991-2020 normals for Florence #2, 2.4 km from Florence

Average highs run from 58°F on May 1 to 61°F on May 31, and lows from 41°F to 45°F. Normal precipitation for the month is 3.87 in over about 13 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 Florence, in °F, with the record for each date.20406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

May at a glance

Average high
60°F
Average low
44°F
Precipitation
3.87 in
Record high
84°FMay 4, 2013
Record low
29°FMay 10, 2012
Chance of a freeze
16%
Daylight
14 h 12 min to 15 h 15 min
Cloud cover
67%
Humidity
85%
Dew point
48°F
Wind
4.5 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 158°F41°F80°F 201431°F 201951%0%
May 258°F41°F72°F 201336°F 201550%0%
May 359°F42°F67°F 201733°F 201950%0%
May 459°F42°F84°F 201333°F 202549%0%
May 559°F42°F69°F 202135°F 201048%0%
May 659°F42°F70°F 202536°F 201048%0%
May 759°F42°F74°F 200733°F 201747%0%
May 859°F42°F76°F 202034°F 200947%0%
May 960°F43°F78°F 202431°F 200846%0%
May 1060°F43°F74°F 201629°F 201246%0%
May 1160°F43°F82°F 201631°F 201245%0%
May 1260°F43°F73°F 201233°F 200845%0%
May 1360°F43°F78°F 201436°F 201045%0%
May 1460°F43°F72°F 200832°F 200745%0%
May 1560°F44°F66°F 200937°F 200945%0%
May 1660°F44°F74°F 200935°F 200744%0%
May 1760°F44°F77°F 200834°F 201244%0%
May 1861°F44°F66°F 200833°F 201244%0%
May 1961°F44°F74°F 200835°F 201144%0%
May 2061°F44°F64°F 200933°F 202244%0%
May 2161°F44°F69°F 201734°F 200943%0%
May 2261°F44°F78°F 201737°F 200743%0%
May 2361°F45°F69°F 200736°F 200943%0%
May 2461°F45°F71°F 200734°F 200942%0%
May 2561°F45°F65°F 200934°F 200942%0%
May 2661°F45°F69°F 202239°F 200942%0%
May 2761°F45°F69°F 202040°F 201441%0%
May 2861°F45°F74°F 200936°F 200741%0%
May 2961°F45°F77°F 200736°F 201241%0%
May 3061°F45°F69°F 201037°F 201841%0%
May 3161°F45°F72°F 201637°F 202640%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Florence, in percent, and of at least 0.1 inch of snowfall.02040601102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (PDT).

May 1
sunrise 6:08 AM, sunset 8:20 PM
May 31
sunrise 5:37 AM, sunset 8:52 PM

Every day of May: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00352973 (Florence #2), public domain. Records: NOAA GHCN-Daily, station USC00352973, 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.