West Union climate

West Union Weather in May

NOAA 1991-2020 normals for W Union 2, 1 km from West Union

Average highs run from 72°F on May 1 to 78°F on May 31, and lows from 44°F to 53°F. Normal precipitation for the month is 5.09 in over about 15 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 West Union, in °F, with the record for each date.20406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

May at a glance

Average high
75°F
Average low
49°F
Precipitation
5.09 in
Record high
92°FMay 25, 2020
Record low
22°FMay 10, 1947
Chance of a freeze
40%
Days of 90°F or more
0.7
Daylight
13 h 53 min to 14 h 44 min
Cloud cover
67%
Humidity
78%
Dew point
54°F
Wind
4.0 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 172°F44°F91°F 194231°F 194348%0%
May 273°F44°F86°F 194428°F 194348%0%
May 373°F44°F88°F 194232°F 202648%0%
May 473°F45°F88°F 194431°F 200448%0%
May 573°F45°F84°F 194128°F 194048%0%
May 673°F45°F89°F 194135°F 202148%0%
May 774°F46°F87°F 194032°F 202048%0%
May 874°F46°F88°F 201527°F 194748%0%
May 974°F46°F88°F 194029°F 194748%0%
May 1074°F47°F89°F 201522°F 194748%0%
May 1174°F47°F88°F 194828°F 194148%0%
May 1275°F47°F88°F 201831°F 194148%0%
May 1375°F48°F88°F 201430°F 194148%0%
May 1475°F48°F87°F 201831°F 201347%0%
May 1575°F48°F90°F 201834°F 202647%0%
May 1675°F49°F86°F 194433°F 201647%0%
May 1775°F49°F87°F 194338°F 194247%0%
May 1876°F49°F89°F 202633°F 200947%0%
May 1976°F50°F89°F 202632°F 200947%0%
May 2076°F50°F91°F 194031°F 200247%0%
May 2176°F50°F88°F 194134°F 200246%0%
May 2276°F51°F90°F 194129°F 200246%0%
May 2376°F51°F88°F 200932°F 200646%0%
May 2477°F51°F88°F 194436°F 194546%0%
May 2577°F51°F92°F 202032°F 201346%0%
May 2677°F52°F91°F 202035°F 201345%0%
May 2777°F52°F91°F 201240°F 201345%0%
May 2877°F52°F90°F 201244°F 199945%0%
May 2978°F53°F90°F 194140°F 200845%0%
May 3078°F53°F92°F 200640°F 194745%0%
May 3178°F53°F92°F 201134°F 194745%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at West Union, 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 6:24 AM, sunset 8:17 PM
May 31
sunrise 5:59 AM, sunset 8:43 PM

Every day of May: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00469458 (W Union 2), public domain. Records: NOAA GHCN-Daily, station USW00003802, 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.