Klamath Falls weather in April: Klamath Falls, Oregon: normal highs, lows, rain and records for April

Klamath Falls in April has a normal high of 58°F and a normal low of 29°F, a daily mean of 44°F, rising from 54°F on the 1st to 62°F by the 30th. Measurable precipitation falls on 9 days in a normal April, 1.06 inches in all. (NOAA 1991-2020 normals)

In metric: a normal high of 14°C and low of −2°C, 27 mm of precipitation in April.

  • NOAA stationKlamath Falls International Airport
  • Station IDUSW00094236
  • Location42.15°N 121.72°W
  • Elevation4,084 ft (1,245 m)
  • Population22,174
  1. Jan 42° 22°
  2. Feb 46° 24°
  3. Mar 52° 27°
  4. Apr 58° 29°
  5. May 67° 36°
  6. Jun 76° 41°
  7. Jul 86° 48°
  8. Aug 85° 47°
  9. Sep 78° 39°
  10. Oct 64° 31°
  11. Nov 49° 25°
  12. Dec 40° 21°

Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.

How warm is Klamath Falls in April?

The normal high is 58°F and the normal low 29°F, for a daily mean of 43.5°F. April is 4.1°F warmer than March and 8.2°F cooler than May. April is the 7th warmest month of the year in Klamath Falls and the 5th wettest. Across the month the normal high rises 8°F, from 54°F on April 1 to 62°F on April 30. From one year to the next April's mean temperature typically moves about 2.4°F either way (NOAA's standard deviation), so roughly two Aprils in three average between 41°F and 46°F.

Klamath Falls in April, day by day: normal high and low

Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 33%).

Normal high and low on five days of April, with the chance of precipitation
DayHighLowChance of 0.01 inChance of 0.10 in
April 154°F27°F33%11%
April 856°F28°F32%11%
April 1557°F29°F31%10%
April 2260°F30°F29%10%
April 3062°F32°F28%10%
Every day of April: normal high, low and chance of precipitation (warmest afternoon April 30, coldest night April 1)
Klamath Falls: NOAA 1991-2020 daily normals for each day of April
DayHighLowChance of 0.01 inChance of 0.10 inDaylight
April 154°F27°F33%11%12 h 40 min
April 255°F27°F33%11%12 h 40 min
April 355°F27°F33%11%12 h 50 min
April 455°F27°F33%11%12 h 50 min
April 555°F28°F33%11%12 h 50 min
April 655°F28°F33%11%12 h 50 min
April 755°F28°F32%11%13 h
April 856°F28°F32%11%13 h
April 956°F28°F32%11%13 h
April 1056°F28°F32%11%13 h 10 min
April 1156°F28°F32%10%13 h 10 min
April 1257°F28°F31%10%13 h 10 min
April 1357°F28°F31%10%13 h 10 min
April 1457°F29°F31%10%13 h 20 min
April 1557°F29°F31%10%13 h 20 min
April 1658°F29°F30%10%13 h 20 min
April 1758°F29°F30%10%13 h 20 min
April 1858°F29°F30%10%13 h 30 min
April 1959°F29°F30%10%13 h 30 min
April 2059°F30°F29%10%13 h 30 min
April 2159°F30°F29%10%13 h 30 min
April 2260°F30°F29%10%13 h 40 min
April 2360°F30°F29%10%13 h 40 min
April 2460°F31°F29%10%13 h 40 min
April 2561°F31°F28%10%13 h 50 min
April 2661°F31°F28%10%13 h 50 min
April 2761°F31°F28%10%13 h 50 min
April 2862°F32°F28%10%13 h 50 min
April 2962°F32°F28%10%14 h
April 3062°F32°F28%10%14 h
Normal high
58°FApril average
Normal low
29°FApril average
Precipitation
1.06 inmonth total
Days with precipitation
90.01 inch or more
Nights at 32°F or colder
21
Daylight
12 h 40 min to 14 hApril 1 to April 30
Days at 70°F or more
4
Sunshine
75%of clear-sky sunlight (NASA)

Source: NOAA NCEI 1991-2020 daily normals, station USW00094236; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.

Does it rain in Klamath Falls in April?

On a given April day the chance of 0.01 inch or more is 30% on average, highest around April 1 (33%). In all, 1.06 in falls on 9 days of a normal April.

In a normal April in Klamath Falls, 21 nights fall to freezing.

Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00094236.

How humid and windy is Klamath Falls in April?

At 3 p.m. the normal temperature is 60°F with 32% relative humidity and a dew point of 30°F; at 6 a.m. it is 37°F with 82% humidity. The wind averages 7.7 mph, most often from the west in the afternoon. A dew point under 50°F feels dry.

A normal April day at the station, hour by hour (local standard time)
TimeTemperatureDew pointHumidityWindClear or few clouds
6 a.m.37°F32°F82%3.7 mph49%
9 a.m.50°F33°F53%7.4 mph46%
noon57°F31°F37%9.8 mph41%
3 p.m.60°F30°F32%12.4 mph38%
6 p.m.56°F32°F39%12.2 mph39%
9 p.m.47°F34°F61%7.2 mph54%

Source: NOAA NCEI 1991-2020 hourly normals, station USW00094236. Hourly normals exist only for NOAA's first-order stations; a dash where NOAA publishes no value for that hour (the sky at some hours).

What are the records for April in Klamath Falls?

The warmest April temperature on Klamath Falls's official record (since 1897) is 87°F, on April 27, 1987; the coldest is 10°F, on April 16, 1963. The wettest April brought 2.62 in (1995); the snowiest, 15.0 inches (1933).

The April mean against the 1991-2020 normal of 43.5°F: 2021 45.1°F (+1.6), 2022 40.3°F (−3.2), 2023 43.1°F (−0.4), 2024 43.8°F (+0.3), 2025 46.8°F (+3.3), 2026 44.1°F (+0.6). 4 of 6 ran warmer than normal.

Klamath Falls: April in recent years against the 1991-2020 normal
AprilMeanAgainst normalPrecip.
202145.1°F+1.6°F0.69 in
202240.3°F−3.2°F0.98 in
202343.1°F−0.4°F0.33 in
202443.8°F+0.3°F1.36 in
202546.8°F+3.3°F0.58 in
202644.1°F+0.6°F0.46 in

Source: records: ACIS, NWS threaded record LMTthr; recent months: ACIS, station USW00094236. Records and recent months use complete months only.

How does April in Klamath Falls compare across Oregon?

Across the 105 places PlainClimate covers in Oregon, April normal highs run from 45°F in Government Camp to 67°F in Cave Junction; Klamath Falls's is 58°F.

Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.

Other months and places