Thompson climate

Thompson Weather in May

NOAA 1991-2020 normals for Grand Forks Univ (nws), 16.5 km from Thompson

Average highs run from 60°F on May 1 to 72°F on May 31, and lows from 37°F to 50°F. Normal precipitation for the month is 2.99 in over about 11 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 Thompson, in °F, with the record for each date.020406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

May at a glance

Average high
67°F
Average low
44°F
Precipitation
2.99 in
Snowfall
0.1 in
Record high
101°FMay 21, 1964
Record low
5°FMay 3, 1967
Chance of a freeze
82%
Days of 90°F or more
0.5
Daylight
14 h 30 min to 15 h 43 min
Cloud cover
65%
Humidity
63%
Dew point
42°F
Wind
11.6 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 195218°F 195830%3%
May 261°F38°F92°F 195920°F 196730%3%
May 361°F38°F93°F 19525°F 196730%3%
May 462°F38°F95°F 198523°F 200531%2%
May 562°F39°F93°F 201620°F 200831%2%
May 662°F39°F86°F 195319°F 197631%2%
May 763°F40°F88°F 195318°F 197632%2%
May 863°F40°F94°F 198518°F 195532%2%
May 964°F41°F90°F 197620°F 194532%2%
May 1064°F41°F96°F 198719°F 198132%2%
May 1165°F41°F99°F 202520°F 194633%1%
May 1265°F42°F97°F 202518°F 194633%1%
May 1366°F42°F96°F 202525°F 194533%1%
May 1466°F43°F92°F 202523°F 201633%1%
May 1566°F43°F97°F 198727°F 194533%1%
May 1667°F44°F87°F 198425°F 196133%1%
May 1767°F44°F89°F 197225°F 200234%1%
May 1868°F44°F95°F 198825°F 200234%1%
May 1968°F45°F96°F 194827°F 201534%1%
May 2068°F45°F91°F 195528°F 196934%1%
May 2169°F46°F101°F 196427°F 200835%1%
May 2269°F46°F96°F 198025°F 196335%1%
May 2369°F47°F93°F 198029°F 200235%0%
May 2470°F47°F91°F 198024°F 200235%0%
May 2570°F47°F94°F 201830°F 200735%0%
May 2671°F48°F92°F 202629°F 196136%0%
May 2771°F48°F97°F 196927°F 194736%0%
May 2871°F49°F95°F 200623°F 194736%0%
May 2972°F49°F93°F 198830°F 194736%0%
May 3072°F50°F93°F 201929°F 194737%0%
May 3172°F50°F96°F 198633°F 194637%0%

Chance of rain

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

May 1
sunrise 6:11 AM, sunset 8:41 PM
May 31
sunrise 5:35 AM, sunset 9:18 PM

Every day of May: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00323621 (Grand Forks Univ (nws)), public domain. Records: NOAA GHCN-Daily, station USW00014916, 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.