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

Idaho Falls in April has a normal high of 58°F and a normal low of 31°F, a daily mean of 44°F, rising from 53°F on the 1st to 62°F by the 30th. Measurable precipitation falls on 9 days in a normal April, 1.03 inches in all. (NOAA 1991-2020 normals)

In metric: a normal high of 14°C and low of 0°C, 26 mm of precipitation in April.

  • NOAA stationIdaho Falls Fanning Field
  • Station IDUSW00024145
  • Location43.52°N 112.07°W
  • Elevation4,729 ft (1,441 m)
  • Population69,523
  1. Jan 29° 12°
  2. Feb 34° 16°
  3. Mar 47° 25°
  4. Apr 58° 31°
  5. May 67° 38°
  6. Jun 76° 45°
  7. Jul 87° 49°
  8. Aug 86° 48°
  9. Sep 75° 41°
  10. Oct 59° 31°
  11. Nov 43° 22°
  12. Dec 30° 13°

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

How warm is Idaho Falls in April?

The normal high is 58°F and the normal low 31°F, for a daily mean of 44.4°F. April is 8.2°F warmer than March and 8.4°F cooler than May. April is the 7th warmest month of the year in Idaho Falls and the 3rd wettest. Across the month the normal high rises 9°F, from 53°F on April 1 to 62°F on April 30. From one year to the next April's mean temperature typically moves about 2.3°F either way (NOAA's standard deviation), so roughly two Aprils in three average between 42°F and 47°F.

Idaho 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 28%).

Normal high and low on five days of April, with the chance of precipitation
DayHighLowChance of 0.01 inChance of 0.10 in
April 153°F30°F28%10%
April 855°F30°F28%11%
April 1557°F31°F28%11%
April 2259°F32°F28%11%
April 3062°F34°F28%12%
Every day of April: normal high, low and chance of precipitation (warmest afternoon April 30, coldest night April 1)
Idaho Falls: NOAA 1991-2020 daily normals for each day of April
DayHighLowChance of 0.01 inChance of 0.10 inDaylight
April 153°F30°F28%10%12 h 40 min
April 254°F30°F28%10%12 h 40 min
April 354°F30°F28%11%12 h 50 min
April 454°F30°F28%11%12 h 50 min
April 555°F30°F28%11%12 h 50 min
April 655°F30°F28%11%13 h
April 755°F30°F28%11%13 h
April 855°F30°F28%11%13 h
April 956°F31°F28%11%13 h 10 min
April 1056°F31°F28%11%13 h 10 min
April 1156°F31°F28%11%13 h 10 min
April 1256°F31°F28%11%13 h 10 min
April 1357°F31°F28%11%13 h 20 min
April 1457°F31°F28%11%13 h 20 min
April 1557°F31°F28%11%13 h 20 min
April 1658°F31°F28%11%13 h 30 min
April 1758°F31°F28%11%13 h 30 min
April 1858°F32°F28%11%13 h 30 min
April 1958°F32°F28%11%13 h 30 min
April 2059°F32°F28%11%13 h 40 min
April 2159°F32°F28%11%13 h 40 min
April 2259°F32°F28%11%13 h 40 min
April 2360°F32°F28%11%13 h 40 min
April 2460°F33°F28%11%13 h 50 min
April 2560°F33°F28%11%13 h 50 min
April 2661°F33°F28%11%13 h 50 min
April 2761°F33°F28%11%14 h
April 2861°F33°F28%12%14 h
April 2962°F34°F28%12%14 h
April 3062°F34°F28%12%14 h
Normal high
58°FApril average
Normal low
31°FApril average
Precipitation
1.03 inmonth total
Days with precipitation
90.01 inch or more
Nights at 32°F or colder
17
Daylight
12 h 40 min to 14 hApril 1 to April 30
Days at 70°F or more
4
Sunshine
76%of clear-sky sunlight (NASA)

Source: NOAA NCEI 1991-2020 daily normals, station USW00024145; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.

Does it rain in Idaho Falls in April?

On a given April day the chance of 0.01 inch or more is 28% on average, highest around April 8 (28%). In all, 1.03 in falls on 9 days of a normal April.

In a normal April in Idaho Falls, 17 nights fall to freezing.

Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00024145.

What are the records for April in Idaho Falls?

The warmest April temperature on this station's record (since 1948) is 86°F, on April 23, 2012; the coldest is 13°F, on April 23, 1968. The wettest April brought 2.52 in (1975); the snowiest, 14.3 inches (1975).

The April mean against the 1991-2020 normal of 44.4°F: 2021 43.3°F (−1.1), 2022 40.6°F (−3.8), 2023 41.4°F (−3.0), 2024 45.8°F (+1.4), 2025 46.6°F (+2.2), 2026 44.2°F (−0.2). 2 of 6 ran warmer than normal.

Idaho Falls: April in recent years against the 1991-2020 normal
AprilMeanAgainst normalPrecip.
202143.3°F−1.1°F0.70 in
202240.6°F−3.8°F0.79 in
202341.4°F−3.0°F0.64 in
202445.8°F+1.4°F0.67 in
202546.6°F+2.2°F0.30 in
202644.2°F−0.2°F0.43 in

Source: records: ACIS, station USW00024145; recent months: ACIS, station USW00024145. Records and recent months use complete months only.

How does April in Idaho Falls compare across Idaho?

Across the 85 places PlainClimate covers in Idaho, April normal highs run from 40°F in Mullan to 68°F in Bruneau; Idaho Falls's is 58°F.

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

Other months and places