Wellsville climate

Wellsville Weather in May

NOAA 1991-2020 normals for Ottawa, 20.8 km from Wellsville

Average highs run from 70°F on May 1 to 80°F on May 31, and lows from 47°F to 59°F. Normal precipitation for the month is 5.82 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 Wellsville, 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
53°F
Precipitation
5.82 in
Record high
95°FMay 26, 1953
Record low
31°FMay 3, 2005
Chance of a freeze
10%
Days of 90°F or more
1.3
Daylight
13 h 50 min to 14 h 41 min
Cloud cover
61%
Humidity
77%
Dew point
57°F
Wind
10.5 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 170°F47°F88°F 195235°F 196040%0%
May 271°F48°F90°F 195232°F 200540%0%
May 371°F48°F90°F 195231°F 200540%0%
May 471°F49°F90°F 195232°F 201340%0%
May 572°F49°F93°F 195240°F 200540%0%
May 672°F49°F94°F 202341°F 195141%0%
May 772°F50°F91°F 202337°F 194741%0%
May 873°F50°F92°F 196339°F 196041%0%
May 973°F51°F91°F 196335°F 202041%0%
May 1073°F51°F91°F 196238°F 194641%0%
May 1174°F51°F90°F 196235°F 194641%0%
May 1274°F52°F92°F 196336°F 201341%0%
May 1374°F52°F91°F 201838°F 195341%0%
May 1475°F53°F91°F 201341°F 195340%0%
May 1575°F53°F88°F 201738°F 201440%0%
May 1675°F53°F89°F 201934°F 201440%0%
May 1776°F54°F89°F 196435°F 201440%0%
May 1876°F54°F90°F 195642°F 194540%0%
May 1976°F55°F93°F 199838°F 196840%0%
May 2077°F55°F93°F 196440°F 196840%0%
May 2177°F55°F94°F 195640°F 196740%0%
May 2277°F56°F93°F 195642°F 196340%0%
May 2378°F56°F90°F 201244°F 196340%0%
May 2478°F56°F90°F 196744°F 200140%0%
May 2578°F57°F92°F 196445°F 194739%0%
May 2679°F57°F95°F 195345°F 196139%0%
May 2779°F58°F93°F 201845°F 196139%0%
May 2879°F58°F94°F 201837°F 194739%0%
May 2980°F58°F92°F 201834°F 194739%0%
May 3080°F59°F95°F 199845°F 194739%0%
May 3180°F59°F92°F 200249°F 200138%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Wellsville, 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 (CDT).

May 1
sunrise 6:23 AM, sunset 8:13 PM
May 31
sunrise 5:58 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 USC00146128 (Ottawa), public domain. Records: NOAA GHCN-Daily, station USW00093909, 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.