Park climate1991–2020 climate normals342 m source elevationNASA POWER

Long-term climatic patterns derived from a representative Missouri coordinate for 1991 to 2020

Mark Twain National Forest Monthly Climate Normals: Temperature, Precipitation, and Atmospheric Data

Name: Mark Twain National Forest monthly climate normals
Creator: NASA POWER

Detailed monthly climate profiles for Mark Twain National Forest characterize local atmospheric conditions through temperature, humidity, wind, and daylight metrics. These values represent long-term averages for a single representative point within the forest, providing a year-round look at seasonal precipitation and temperature shifts. Data reflects historical records gathered from 1991 to 2020 to offer precise climatological insight into this Missouri landscape.

View park overview Browse climate zones

A flat-style digital illustration of a river cascading over rocks, surrounded by a coniferous forest and steep hills under a soft pastel sky.

Annual climate pattern

Long-term temperature averages and monthly precipitation rates across twelve months

Mark Twain National Forest Annual Climate Normals and Monthly Temperature Ranges

Average monthly temperatures span from sub-zero winter minimums to mid-summer maximums across the representative coordinate, establishing a clear thermal cycle. Average daily precipitation rates accompany these monthly temperature shifts within a standardized climatology period from 1991 to 2020.

Mean temperatureAverage minimum–maximum rangePrecipitation

Annual mean: 12.8 °C
Warmest month: July
Coolest month: January
Wettest month: May

Twelve-month climate

Compare average temperature bounds, daily precipitation rates, humidity, wind, and calculated daylight across the calendar year.

Mark Twain National Forest Weather by Month: Complete Twelve-Month Climate Records

Examine the complete twelve-month climate record for Mark Twain National Forest to evaluate long-term shifts in temperature bounds, average daily precipitation rates, and atmospheric humidity. Reviewing all twelve monthly normals across a single representative coordinate provides clear baseline data for understanding regional climate patterns.

	Mean temperature	Precipitation	Humidity	Wind speed	Daylight
January	-0.7 °C-15.1° to 16.4°	2.2 mm/day	84.5%	2.5 m/s	9.7 hours
February	1.7 °C-12.2° to 18.6°	2.6 mm/day	82.9%	2.6 m/s	10.6 hours
March	6.8 °C-8.6° to 23°	3.4 mm/day	80.6%	2.6 m/s	11.8 hours
April	12.8 °C-2.5° to 26°	4.4 mm/day	78.1%	2.4 m/s	13 hours
May	18.2 °C4.1° to 29.9°	4.4 mm/day	79.7%	1.9 m/s	14 hours
June	22.9 °C11° to 34.5°	3.4 mm/day	78.4%	1.6 m/s	14.6 hours
July	25.6 °C14.4° to 37.4°	3.3 mm/day	72.3%	1.4 m/s	14.3 hours
August	24.9 °C13.2° to 37.3°	3.2 mm/day	68.9%	1.4 m/s	13.4 hours
September	20.4 °C6.2° to 34.3°	3.2 mm/day	68.6%	1.6 m/s	12.2 hours
October	13.7 °C-1.3° to 29.2°	2.9 mm/day	71.3%	1.9 m/s	11 hours
November	6.5 °C-7.2° to 22.3°	3.5 mm/day	77.9%	2.2 m/s	9.9 hours
December	1.3 °C-11.9° to 17.4°	2.4 mm/day	84%	2.3 m/s	9.4 hours

Compare two months

See two months side by side and how much they differ. Both use the same 1991–2020 climate normals and NASA POWER data point as the table above, so they show typical conditions, not a forecast.

First month

Second month

Mean temperature: January: -0.7 °C; July: 25.6 °C; Change from January to July: +26.2 °C
Precipitation: January: 2.2 mm/day; July: 3.3 mm/day; Change from January to July: +1.1 mm/day
Daylight: January: 9.7 hours; July: 14.3 hours; Change from January to July: +4.6 hours

Calculated climate highlights

Comparative analysis of long-term temperature, precipitation, wind, and daylight normals across twelve calendar months

Calculated Monthly Climate Highlights and Seasonal Contrasts in Mark Twain National Forest

Calculated monthly highlights identify the high and low points for temperature, humidity, wind, and daylight duration within a representative coordinate profile of Mark Twain National Forest. These comparative normals summarize broad annual patterns derived from climatology records rather than documenting single weather events or local extremes.

Warmest month: July25.6 °C
Coolest month: January-0.7 °C
Wettest month: May4.4 mm/day
Driest month: January2.2 mm/day
Most humid month: January84.5%
Windiest month: February2.6 m/s
Longest daylight: June14.6 hours

Interactive climate map

National park climate map

Open the climate map to compare monthly temperature, precipitation, and other averages.

Global National Park Climate Map

Other park climates

Monthly temperature, precipitation, and daylight patterns across distinct protected landscapes

Comparing Mark Twain National Forest Climate Profiles With Other Protected Areas

Examine long-term monthly normals for temperature and precipitation to evaluate atmospheric contrast across different protected areas. Standardized records for Mark Twain National Forest and other regional selections establish a clear comparative baseline for annual environmental patterns.