Jerome Weather Records

Jerome, Idaho weather averages and records from 1915–2024 based on data made available by the NOAA.
All-Time Recorded High
The highest temperature ever recorded in Jerome, Idaho was 110 °F which occurred on July 24, 2003.
Highest Temperatures: All-Time By Year
All-Time Recorded Low
The lowest temperature ever recorded in Jerome, Idaho was -25 °F which occurred on January 21, 1937.
Lowest Temperatures: All-Time By Year
Jerome Weather by Month
Averages based on the years 1991–2020
Month Average (°F) Record (°F) Average (inches)
High ☀️ Low 🌙 High ☀️ Low 🌙 Precipitation 💧
January 37.1 19.6 61 -25 1.4
February 43.3 23.3 69 -24 0.8
March 53.8 29.2 80 -1 1.1
April 61.6 34.2 91 12 1.0
May 71.5 42.1 103 19 1.3
June 81.0 49.8 110 22 0.6
July 91.9 57.2 110 35 0.1
August 90.4 55.3 107 32 0.3
September 79.8 46.7 102 21 0.4
October 65.4 36.4 94 11 0.9
November 49.1 26.9 78 -10 1.0
December 37.4 20.4 67 -24 1.5
Entire year 63.8 36.7 110 -25 10.4
More Jerome Weather Records
1915–2024
Highest daily low 77 °F June 14, 2021
Lowest daily high -3 °F December 22, 1990
Greatest daily range
(Difference of high and low)
64 °F April 15, 2008
Greatest difference in daily high
over two conscutive days
45 °F Jun 5–6, 2012
Most daily precipitation 2.0 inches January 4, 2022
Most monthly precipitation 5.2 inches December 1964
Most yearly precipitation 18.0 inches 1995
Most yearly days with precipitation 112 1982
Earliest freeze September 8 1948
Earliest day ≥ 80 °F March 22 2004
Earliest day ≥ 90 °F April 23 2012
Earliest day ≥ 100 °F May 29 2003
Latest freeze June 25 1950
Latest day ≥ 80 °F October 27 1944
Latest day ≥ 90 °F October 11 1934
Latest day ≥ 100 °F September 15 2000
Most days in a year < 0 °F 25 1949
Most days in a year < 32 °F 182 1984
Most days in a year ≥ 80 °F 133 1934
Most days in a year ≥ 90 °F 76 1940
Most days in a year ≥ 100 °F 22 2003
Most days in a year ≥ 110 °F 1 2003
Jerome Weather Streaks
Most consecutive days...
With precipitation 12 days Feb 13–24, 1986
Without precipitation 131 days Jun 13 – Oct 21, 2022
High temperature at or
below freezing
33 days Jan 2 – Feb 3, 1949
High temperature ≥ 80 °F 85 days Jun 11 – Sep 3, 1940
High temperature ≥ 90 °F 45 days Jul 9 – Aug 22, 1994
High temperature ≥ 100 °F 9 days Jul 16–24, 2003
Plant Hardiness Zone
6B
Jerome is in plant hardiness zone 6B
based on average yearly minimum temperature from 1991–2020
Jerome Weather by Year
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Weather Station Details
Years Station Coordinates
1915–2024 Jerome location