Klamath Falls climate

Klamath Falls Weather in May

NOAA 1991-2020 normals for Klamath Falls Intl AP, 9.9 km from Klamath Falls

Average highs run from 63°F on May 1 to 71°F on May 31, and lows from 33°F to 39°F. Normal precipitation for the month is 1.04 in over about 8 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 Klamath Falls, in °F, with the record for each date.020406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

May at a glance

Average high
67°F
Average low
36°F
Precipitation
1.04 in
Snowfall
0.2 in
Record high
91°FMay 17, 2008
Record low
17°FMay 1, 2008
Chance of a freeze
100%
Daylight
14 h 05 min to 15 h 02 min
Cloud cover
57%
Humidity
69%
Dew point
38°F
Wind
6.7 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 163°F33°F83°F 201417°F 200828%2%
May 263°F33°F79°F 196623°F 200127%2%
May 363°F33°F82°F 197021°F 202227%2%
May 464°F33°F80°F 201722°F 201027%2%
May 564°F34°F81°F 202123°F 199927%1%
May 664°F34°F80°F 196918°F 201027%1%
May 765°F34°F80°F 200124°F 196427%1%
May 865°F35°F82°F 196922°F 200227%1%
May 965°F35°F85°F 202019°F 199927%1%
May 1066°F35°F82°F 202626°F 201127%1%
May 1166°F35°F86°F 200121°F 202227%1%
May 1266°F36°F83°F 201323°F 197027%1%
May 1367°F36°F85°F 201226°F 200727%1%
May 1467°F36°F84°F 201222°F 201727%1%
May 1567°F36°F85°F 200821°F 199927%1%
May 1667°F37°F90°F 200825°F 199926%1%
May 1768°F37°F91°F 200825°F 202226%1%
May 1868°F37°F86°F 200823°F 200326%1%
May 1968°F37°F87°F 200826°F 196026%1%
May 2068°F37°F87°F 196326°F 196226%1%
May 2169°F38°F84°F 200024°F 196225%1%
May 2269°F38°F87°F 200123°F 196025%1%
May 2369°F38°F88°F 200122°F 201025%1%
May 2469°F38°F86°F 199925°F 201125%1%
May 2570°F38°F85°F 196628°F 201324%1%
May 2670°F38°F83°F 199925°F 202124%1%
May 2770°F39°F85°F 199930°F 201224%0%
May 2870°F39°F89°F 202028°F 202124%0%
May 2971°F39°F88°F 202027°F 201423%0%
May 3071°F39°F91°F 202525°F 202223%0%
May 3171°F39°F88°F 200126°F 200022%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Klamath Falls, in percent, and of at least 0.1 inch of snowfall.01020301102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (PDT).

May 1
sunrise 6:02 AM, sunset 8:07 PM
May 31
sunrise 5:34 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 USW00094236 (Klamath Falls Intl AP), public domain. Records: NOAA GHCN-Daily, station USW00094236, 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.