Lost River, IN climate
Lost River has chilly winters and warm summers, with plenty of rain. A typical July afternoon reaches 87°, a January night drops to 22°, and about 14 inches of snow falls in a normal winter.
NOAA 1991-2020 climate normals Updated once a decadeWhat a year in Lost River feels like
Winter
Spring
Summer
Fall
Lost River 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 | 40° | 22° | 3.5" | 4.5" | 11 | 7 | 24° – 42° |
| February | 45° | 25° | 3.1" | 4.7" | 9 | 5 | 23° – 45° |
| March | 55° | 33° | 4.4" | 1.8" | 11 | 1 | 36° – 57° |
| April | 67° | 42° | 5.3" | 0 | 12 | 0 | 48° – 60° |
| May | 76° | 53° | 5.7" | 0 | 13 | 0 | 58° – 72° |
| June | 84° | 61° | 5.1" | 0 | 10 | 0 | 67° – 76° |
| July | 87° | 64° | 4.4" | 0 | 9 | 0 | 70° – 82° |
| August | 86° | 62° | 3.3" | 0 | 7 | 0 | 69° – 80° |
| September | 80° | 55° | 3.7" | 0 | 7 | 0 | 63° – 73° |
| October | 69° | 43° | 3.5" | 0.1" | 8 | 0 | 52° – 62° |
| November | 55° | 33° | 4.0" | 0.2" | 9 | 0 | 38° – 51° |
| December | 44° | 26° | 3.7" | 2.3" | 11 | 4 | 22° – 45° |
| Year | 65° | 43° | 49.7" | 13.6" | 117 | 17 |
“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 Lost River
Lost River gets 50 inches of rain and melted snow a year. May is the wettest month and February the driest. Rain or snow falls on about 117 days a year. Snow covers the ground about 17 days of the year.
About 189 frost-free days a year
In half of years the last 32° night comes by April 15 and the first one by October 23. That leaves about 189 frost-free days for gardens, longer than 63% of U.S. towns.
Heating and cooling a home in Lost River
Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Lost River, 78% of that work is heating and 22% is cooling.
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.
Lost River and its neighbors
Lost River borders 4 towns with climate data. January nights across them vary by 0.7°. Halbert has the coldest January nights (22°) and Rutherford the hottest July afternoons (87°). Lost River’s January low is 22° and its July high 87°.
Temperatures and rain come from NOAA’s 5 km grid, so each town gets its own value.
How Lost River 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 Lost River averaged 0.8° warmer than the 1900s. The biggest change is in February (+2.2°). The shift is smaller than in 84% of U.S. towns.
Change by month1991–2020 average minus 1901–2000 average, at Lost River’s spot on NOAA’s grid
How much a month can swing
A normal is an average, and real years wander around it. December swings the most: between 1991 and 2020 its average temperature ranged from 22° to 45°. June is the most reliable, staying within 9°.
Common questions about Lost River’s climate
What is the coldest month in Lost River?
January, with a typical high of 40° and a low of 22°.
What is the hottest month in Lost River?
July, with a typical high of 87° and a low of 64°. About 28 days a year reach 90°.
How much snow does Lost River get?
About 14 inches in a normal winter, most of it in February.
When is the first frost in Lost River?
In half of years the first 32° night comes by October 23, and the last spring frost by April 15.
What is the rainiest month in Lost River?
May, with 5.7 inches of rain and melted snow. The year totals 50 inches.
Temperatures and rainfall come from NOAA’s gridded climate normals for Lost River itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Shoals 8 S, IN (2 mi) away. Normals are 30-year averages, not a forecast. Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000.