Confluence climate

Confluence Weather in May

NOAA 1991-2020 normals for Confluence 1 Sw Dam, 1.7 km from Confluence

Average highs run from 69°F on May 1 to 76°F on May 31, and lows from 42°F to 52°F. Normal precipitation for the month is 4.92 in over about 17 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 Confluence, in °F, with the record for each date.020406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

May at a glance

Average high
72°F
Average low
47°F
Precipitation
4.92 in
Record high
89°FMay 12, 1944
Record low
17°FMay 2, 1943
Chance of a freeze
44%
Days of 90°F or more
0.5
Daylight
13 h 54 min to 14 h 47 min
Cloud cover
68%
Humidity
79%
Dew point
51°F
Wind
4.9 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°F42°F88°F 194220°F 197853%1%
May 269°F42°F87°F 201917°F 194353%1%
May 369°F43°F86°F 194223°F 196353%1%
May 469°F43°F85°F 190521°F 194153%1%
May 570°F43°F86°F 191320°F 191053%1%
May 670°F44°F87°F 194918°F 191054%1%
May 770°F44°F84°F 193021°F 196854%1%
May 870°F44°F85°F 193624°F 195654%0%
May 971°F45°F84°F 192723°F 202054%0%
May 1071°F45°F85°F 193618°F 194754%0%
May 1171°F45°F88°F 193620°F 196654%0%
May 1271°F46°F89°F 194418°F 191354%0%
May 1372°F46°F85°F 195720°F 194154%0%
May 1472°F46°F86°F 197424°F 192854%0%
May 1572°F47°F84°F 191125°F 192054%0%
May 1672°F47°F86°F 201822°F 192054%0%
May 1772°F47°F85°F 191124°F 198454%0%
May 1873°F48°F87°F 191127°F 195553%0%
May 1973°F48°F88°F 191127°F 200953%0%
May 2073°F48°F88°F 191127°F 194553%0%
May 2173°F49°F89°F 191127°F 190553%0%
May 2273°F49°F89°F 191124°F 200252%0%
May 2374°F49°F86°F 192529°F 192952%0%
May 2474°F50°F85°F 193925°F 196352%0%
May 2574°F50°F88°F 191426°F 194152%0%
May 2674°F50°F89°F 193927°F 191752%0%
May 2775°F51°F86°F 201225°F 192552%0%
May 2875°F51°F87°F 201230°F 192751%0%
May 2975°F51°F88°F 200627°F 193651%0%
May 3075°F52°F88°F 191926°F 193251%0%
May 3176°F52°F89°F 191930°F 194751%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Confluence, 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 (EDT).

May 1
sunrise 6:18 AM, sunset 8:12 PM
May 31
sunrise 5:52 AM, sunset 8:39 PM

Every day of May: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00361705 (Confluence 1 Sw Dam), public domain. Records: NOAA GHCN-Daily, station USC00186620, 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.