La Porte, IN climate
La Porte has chilly, snowy winters and pleasant summers. A typical July afternoon reaches 83°, a January night drops to 17°, and about 65 inches of snow falls in a normal winter.
NOAA 1991-2020 climate normals Updated once a decadeWhat a year in La Porte feels like
Winter
Spring
Summer
Fall
La Porte weather by month
Average highs, lows, rain and snow for every month, from NOAA’s 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 32° | 17° | 2.5" | 23.0" | 17 | 18 | 14° – 36° |
| February | 35° | 20° | 2.1" | 16.0" | 13 | 14 | 15° – 38° |
| March | 47° | 28° | 2.4" | 7.1" | 13 | 5 | 29° – 52° |
| April | 59° | 38° | 3.6" | 1.1" | 13 | 0 | 40° – 54° |
| May | 70° | 49° | 4.3" | 0 | 13 | 0 | 53° – 66° |
| June | 80° | 59° | 4.3" | 0 | 11 | 0 | 64° – 73° |
| July | 83° | 63° | 4.1" | 0 | 10 | 0 | 67° – 78° |
| August | 81° | 61° | 4.1" | 0 | 10 | 0 | 66° – 77° |
| September | 75° | 53° | 3.4" | 0 | 10 | 0 | 58° – 68° |
| October | 62° | 42° | 3.8" | 0.2" | 12 | 0 | 48° – 59° |
| November | 48° | 32° | 2.8" | 4.0" | 13 | 2 | 33° – 48° |
| December | 36° | 23° | 2.4" | 13.8" | 15 | 11 | 17° – 39° |
| Year | 59° | 40° | 39.6" | 65.2" | 148 | 50 |
“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 Porte
La Porte gets 40 inches of rain and melted snow a year. June is the wettest month and February the driest. Rain or snow falls on about 148 days a year. Snow covers the ground about 50 days of the year.
About 191 frost-free days a year
In half of years the last 32° night comes by April 19 and the first one by October 27. That leaves about 191 frost-free days for gardens, longer than 65% of U.S. towns.
Heating and cooling a home in La Porte
Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In La Porte, 89% of that work is heating and 11% is cooling, so the furnace matters far more than the air conditioner.
Degree days measure how far each day’s average temperature falls below or rises above 65°, added up over a year. Source: NOAA station normals.
How La Porte 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 Porte averaged 1.0° warmer than the 1900s. The biggest change is in December (+2.4°). The shift is smaller than in 69% of U.S. towns.
Change by month1991–2020 average minus 1901–2000 average, at La Porte’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 15° to 38°. June is the most reliable, staying within 9°.
Common questions about La Porte’s climate
What is the coldest month in La Porte?
January, with a typical high of 32° and a low of 17°.
What is the hottest month in La Porte?
July, with a typical high of 83° and a low of 63°. About 10 days a year reach 90°.
How much snow does La Porte get?
About 65 inches in a normal winter, most of it in January.
When is the first frost in La Porte?
In half of years the first 32° night comes by October 27, and the last spring frost by April 19.
What is the rainiest month in La Porte?
June, with 4.3 inches of rain and melted snow. The year totals 40 inches.
Temperatures and rainfall come from NOAA’s gridded climate normals for La Porte itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Laporte, IN (1 mi) away. Normals are 30-year averages, not a forecast. Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000.