Clark Fork climate

Clark Fork Weather in May

NOAA 1991-2020 normals for Heron 2 Nw, 14.8 km from Clark Fork

Average highs run from 62°F on May 1 to 70°F on May 31, and lows from 34°F to 43°F. Normal precipitation for the month is 2.76 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 Clark Fork, in °F, with the record for each date.20406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

May at a glance

Average high
67°F
Average low
39°F
Precipitation
2.76 in
Snowfall
0.1 in
Record high
97°FMay 30, 1936
Record low
22°FMay 1, 1972
Chance of a freeze
94%
Daylight
14 h 33 min to 15 h 47 min
Cloud cover
69%
Humidity
74%
Dew point
40°F
Wind
4.3 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 162°F34°F85°F 202322°F 197242%2%
May 263°F34°F81°F 193925°F 195442%2%
May 363°F35°F88°F 202326°F 192342%2%
May 463°F35°F82°F 198027°F 194942%2%
May 564°F35°F86°F 198025°F 198142%2%
May 664°F36°F86°F 198025°F 192442%1%
May 765°F36°F87°F 199227°F 191142%1%
May 865°F36°F84°F 199223°F 200242%1%
May 965°F37°F85°F 198724°F 192242%1%
May 1066°F37°F85°F 194927°F 191642%1%
May 1166°F37°F85°F 192427°F 195942%1%
May 1266°F38°F89°F 199326°F 195942%1%
May 1367°F38°F92°F 199327°F 191642%1%
May 1467°F38°F86°F 194927°F 191642%1%
May 1567°F39°F85°F 192428°F 193242%1%
May 1667°F39°F88°F 200628°F 197443%1%
May 1768°F39°F85°F 200629°F 196643%1%
May 1868°F40°F85°F 200628°F 196543%1%
May 1968°F40°F86°F 200826°F 193143%1%
May 2068°F40°F84°F 192828°F 193343%1%
May 2169°F41°F85°F 192828°F 193443%1%
May 2269°F41°F88°F 198830°F 192243%1%
May 2369°F41°F86°F 198829°F 191144%0%
May 2469°F41°F88°F 193430°F 195044%0%
May 2569°F42°F90°F 200327°F 192644%0%
May 2669°F42°F89°F 195828°F 192644%0%
May 2770°F42°F91°F 193628°F 191844%0%
May 2870°F42°F92°F 193429°F 192044%0%
May 2970°F43°F90°F 198328°F 195144%0%
May 3070°F43°F97°F 193630°F 191744%0%
May 3170°F43°F90°F 198628°F 192644%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Clark Fork, 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 (PDT).

May 1
sunrise 5:26 AM, sunset 7:59 PM
May 31
sunrise 4:49 AM, sunset 8:36 PM

Every day of May: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00244084 (Heron 2 Nw), public domain. Records: NOAA GHCN-Daily, station USC00108137, 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.