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Climate of Little Rock, Arkansas facts for kids

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Arkansas Köppen
All of Arkansas falls within the humid subtropical Köppen climate classification.

Little Rock has a humid subtropical climate (Köppen Cfa), with hot, usually humid summers, but subject to drought, primarily in late summer. According to the Trewartha climate classification system, Little Rock is subtropical because nine of its months exceed 50 °F (10 °C) in average temperature. Summers are usually hot, occasionally extremely hot; winters are short and cool, but with marked temperature variations, as the area is subject to alternating incursions of warm, moist air from the Gulf of Mexico (possibly producing daily high temperatures in the 70s °F.) and cold, dry air from Canada (possibly producing daily high temperatures below freezing, 32 °F, even in the 20s °F.).

The Little Rock area has nearly 50 inches (1,300 mm) of precipitation per year, on average. Little Rock experiences a prolonged spring wet season, with heavy rainfall a distinct possibility from March to May, and a secondary wet season peaking in November and December. On average, August is the driest month, and July through September is the driest period of the year. Little Rock averages more rain than the national average, but also averages more sunny days than the national average.

Thunderstorms can occur any month of the year, but are especially frequent and severe in spring, when torrential rainfall, damaging thunderstorm winds, hail, and tornadoes are all significant threats; a secondary severe weather season peaks in November. Snow, sleet and freezing rain can occur during the winter season, when cold Canadian air at ground level is overrun by warm, moist air from the Gulf of Mexico. Unless otherwise indicated, all normal data presented below are based on data at Bill and Hillary Clinton National Airport the official Little Rock climatology station, from the 1981−2010 normals period.

General climatology


Other data

Meteorological Data for the Little Rock Greater Metropolitan Area
Average monthly temperature for Little Rock, Arkansas
Temperature averages for each month.
Average monthly humidity for Little Rock, Arkansas
Humidity indices for each month.
Average monthly wind speed for Little Rock, Arkansas
Wind speeds during the various months.
Average monthly snowfall for Little Rock, Arkansas
Snowfall averages for each month.
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Climate of Little Rock, Arkansas Facts for Kids. Kiddle Encyclopedia.