Ontonagon County climate

Ontonagon County Weather in May

NOAA 1991-2020 normals for Ontonagon 6 Se, 9.7 km from Ontonagon County

Average highs run from 60°F on May 1 to 71°F on May 31, and lows from 37°F to 45°F. Normal precipitation for the month is 3.14 in over about 10 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 Ontonagon County, in °F, with the record for each date.020406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

May at a glance

Average high
66°F
Average low
41°F
Precipitation
3.14 in
Snowfall
1.0 in
Record high
100°FMay 31, 1934
Record low
16°FMay 1, 1978
Chance of a freeze
93%
Daylight
14 h 25 min to 15 h 35 min
Cloud cover
83%
Humidity
81%
Dew point
40°F
Wind
7.8 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 160°F37°F85°F 195116°F 197831%4%
May 260°F37°F91°F 195919°F 190931%4%
May 361°F37°F90°F 194917°F 190731%4%
May 461°F38°F88°F 194916°F 190732%3%
May 562°F38°F85°F 193922°F 195432%3%
May 662°F38°F86°F 200019°F 198932%3%
May 763°F39°F89°F 201618°F 195432%3%
May 863°F39°F86°F 195318°F 195432%3%
May 963°F39°F86°F 195317°F 196632%2%
May 1064°F40°F86°F 192216°F 198132%2%
May 1164°F40°F87°F 192217°F 198133%2%
May 1265°F40°F85°F 192219°F 198133%2%
May 1365°F40°F85°F 202521°F 199733%2%
May 1466°F41°F90°F 193217°F 196433%2%
May 1566°F41°F88°F 200722°F 198333%2%
May 1666°F41°F88°F 196220°F 192533%2%
May 1767°F42°F88°F 196223°F 198333%1%
May 1867°F42°F88°F 197218°F 198133%1%
May 1967°F42°F88°F 194122°F 198133%1%
May 2068°F42°F88°F 193024°F 200233%1%
May 2168°F43°F88°F 192128°F 198633%1%
May 2269°F43°F90°F 196427°F 196333%1%
May 2369°F43°F89°F 195025°F 191733%1%
May 2469°F43°F87°F 197225°F 192533%1%
May 2570°F44°F89°F 197225°F 191333%1%
May 2670°F44°F90°F 191126°F 198333%1%
May 2770°F44°F89°F 197827°F 198433%1%
May 2871°F45°F90°F 196929°F 198433%0%
May 2971°F45°F92°F 200624°F 198433%0%
May 3071°F45°F92°F 193930°F 198434%0%
May 3171°F45°F100°F 193425°F 198134%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Ontonagon County, in percent, and of at least 0.1 inch of snowfall.0102030401102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (EDT).

May 1
sunrise 6:42 AM, sunset 9:07 PM
May 31
sunrise 6:08 AM, sunset 9:43 PM

Every day of May: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00206220 (Ontonagon 6 Se), public domain. Records: NOAA GHCN-Daily, station USC00204104, 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.