La Plant, SD climate
La Plant has cold winters and warm summers, with very little rain. A typical July afternoon reaches 86°, a January night drops to 7°.
NOAA 1991-2020 climate normals Updated once a decadeWhat a year in La Plant feels like
Winter
Spring
Summer
Fall
La Plant weather by month
Average highs, lows, rain and snow for every month, from NOAA’s 1991–2020 normals.
| Month | High | Low | Rain + melt | 30-yr range |
|---|---|---|---|---|
| January | 27° | 7° | 0.4" | 5° – 31° |
| February | 31° | 11° | 0.6" | 3° – 33° |
| March | 44° | 21° | 0.8" | 21° – 46° |
| April | 57° | 32° | 1.7" | 37° – 51° |
| May | 68° | 43° | 3.1" | 51° – 62° |
| June | 79° | 54° | 3.3" | 61° – 71° |
| July | 86° | 60° | 2.8" | 64° – 81° |
| August | 85° | 58° | 2.1" | 65° – 76° |
| September | 75° | 48° | 1.6" | 56° – 67° |
| October | 59° | 35° | 1.7" | 38° – 52° |
| November | 43° | 22° | 0.5" | 20° – 42° |
| December | 30° | 12° | 0.5" | 8° – 29° |
| Year | 57° | 34° | 19.0" |
“Wet days” have at least 0.01" of rain or melted snow. “Snow on ground” counts days with 1" or more. The 30-year range is the coldest and warmest that month’s average temperature got between 1991 and 2020.
Rain and snow in La Plant
La Plant gets 19 inches of rain and melted snow a year. June is the wettest month and January the driest.
How La Plant compares
Compared with every U.S. town and city on TownTapestry, each counted once.
Warmer than it used to be
The last 30 years in La Plant averaged 0.9° warmer than the 1900s. The biggest change is in January (+3.4°). The shift is smaller than in 78% of U.S. towns.
Change by month1991–2020 average minus 1901–2000 average, at La Plant’s spot on NOAA’s grid
How much a month can swing
A normal is an average, and real years wander around it. February swings the most: between 1991 and 2020 its average temperature ranged from 3° to 33°. June is the most reliable, staying within 10°.
Common questions about La Plant’s climate
What is the coldest month in La Plant?
January, with a typical high of 27° and a low of 7°.
What is the hottest month in La Plant?
July, with a typical high of 86° and a low of 60°.
What is the rainiest month in La Plant?
June, with 3.3 inches of rain and melted snow. The year totals 19 inches.
Temperatures and rainfall come from NOAA’s gridded climate normals for La Plant itself (about a 3-mile square). Normals are 30-year averages, not a forecast. Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000.