Mammoth Spring Average Temperature by Month

This page shows the average temperature in each month of the year in Mammoth Spring, Arkansas. It is based on NOAA data for the years 1991–2020.
What's the Hottest Month in Mammoth Spring?
In Mammoth Spring, Arkansas, the warmest month is July, with an average daily high temperature of 89.5 °F and an average low of 66.3 °F.
What's the Coldest Month in Mammoth Spring?
In Mammoth Spring, Arkansas, the coolest month is January, with an average daily high temperature of 46.5 °F and an average low of 23.3 °F.
Month Avg. High Avg. Low
January 46.5 °F 23.3 °F
February 51.1 °F 26.9 °F
March 60.6 °F 35.2 °F
April 70.6 °F 44.0 °F
May 77.8 °F 53.9 °F
June 85.7 °F 62.6 °F
July 89.5 °F 66.3 °F
August 89.0 °F 64.6 °F
September 81.9 °F 56.3 °F
October 71.6 °F 44.3 °F
November 59.7 °F 34.6 °F
December 49.5 °F 27.3 °F
Year 69.6 °F 45.1 °F
Weather Station Details
Years Station Coordinates
1904–2024 Mammoth Spring location
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