Mammoth Spring Average Rainfall by Month

This page shows the average precipitation (including snowfall) in each month of the year in Mammoth Spring, Arkansas. It is based on NOAA data for the years 1991–2020.

Average temperature by month

What's the Rainiest Month in Mammoth Spring?

In Mammoth Spring, April has the greatest precipitation of any month. On average, Mammoth Spring gets 5.3 inches of precipitation in April.

However, May is the month with the greatest chance of precipitation. 31.1% of days in May will have at least some rain.

What's the Driest Month in Mammoth Spring?

In Mammoth Spring, January has the least precipitation of any month. On average, Mammoth Spring gets 3.34 inches of precipitation in January.

September is the month with the lowest chance of precipitation. 20.9% of days in September will have measurable rain.

Month	Precipitation	% Chance
January	3.34 in	23.9
February	3.55 in	26.1
March	4.60 in	29.7
April	5.34 in	29.2
May	5.26 in	31.1
June	3.38 in	25.8
July	3.66 in	24.8
August	3.48 in	23.9
September	3.61 in	20.9
October	3.78 in	24.8
November	4.53 in	25.8
December	3.65 in	24.6
Year	47.94 in	25.8

Weather Station Details

Years	Station	Coordinates
1904–2024	Mammoth Spring	location