Florence climate

Florence Weather in May

NASA POWER reanalysis for the half-degree grid cell around Florence, 1991-2020; a grid cell is an area average and can differ from a thermometer in town by several degrees

Average highs run from 18°C on May 1 to 23°C on May 31, and lows from 7°C to 11°C. Normal precipitation for the month is 59 mm over about 12 wet days.

May day by day

The normal high and low for each date, in °C.

Normal daily high and low temperature at Florence, in °C, with the record for each date.010203040151015202530
  • Normal low
  • Normal high
  • Reanalysis extreme high
  • Reanalysis extreme low

May at a glance

Average high
20°C
Average low
9°C
Precipitation
59 mm
Reanalysis high
31°CMay 24, 2009
Reanalysis low
1°CMay 15, 2019
Daylight
14 h 11 min to 15 h 12 min
Cloud cover
58%
Humidity
74%
Dew point
9°C
Wind
10.4 km/h

Every day of the month

A wet day has at least 1 mm of precipitation in the reanalysis.

DateNormal highNormal lowReanalysis highReanalysis lowChance wet
May 118°C7°C24°C 20053°C 201742%
May 218°C8°C23°C 20054°C 201941%
May 318°C8°C24°C 20034°C 199441%
May 418°C8°C23°C 20033°C 199542%
May 518°C8°C26°C 20033°C 201942%
May 618°C8°C27°C 20032°C 201942%
May 718°C8°C27°C 20033°C 201940%
May 819°C8°C25°C 20033°C 199740%
May 919°C8°C25°C 20074°C 200439%
May 1019°C8°C26°C 20074°C 199438%
May 1119°C9°C27°C 20126°C 199436%
May 1219°C9°C29°C 20126°C 201436%
May 1319°C9°C27°C 19985°C 201336%
May 1419°C9°C26°C 20072°C 201936%
May 1520°C9°C25°C 19971°C 201935%
May 1620°C9°C26°C 20023°C 201134%
May 1720°C9°C26°C 19922°C 199134%
May 1820°C9°C25°C 20155°C 199134%
May 1920°C9°C24°C 20095°C 201032%
May 2020°C10°C26°C 20094°C 201031%
May 2121°C10°C27°C 20095°C 199530%
May 2221°C10°C30°C 20074°C 199532%
May 2321°C10°C30°C 20077°C 200431%
May 2421°C10°C31°C 20094°C 200431%
May 2521°C10°C31°C 20092°C 200431%
May 2621°C10°C30°C 20095°C 201332%
May 2722°C11°C28°C 20086°C 201332%
May 2822°C11°C28°C 20055°C 199131%
May 2922°C11°C29°C 20176°C 199731%
May 3022°C11°C29°C 20056°C 200633%
May 3123°C11°C29°C 19995°C 200634%

Chance of rain

The chance of at least 1 mm of precipitation in the reanalysis on each date at Florence, in percent.010203040501102030
  • Chance of a wet day

Sunrise and sunset

Times for 2026, local time (GMT+2).

May 1
sunrise 6:07 AM, sunset 8:18 PM
May 31
sunrise 5:37 AM, sunset 8:49 PM

Every day of May: sun and moon

Other months

Sources

Cloud, humidity, wind and sunshine, and temperature and precipitation: 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.