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Climate in Brown Township · NOAA 1991–2020 normals

Summers, winters and rain in Brown Township all run close to those of most U.S. towns

In January the night’s low is typically 20°. Since 1901–2000, the year has warmed by 0.8°, most of all in December. Radiators earn their keep from November to March, the months that average under 50°.

Colder January nights than 58% of U.S. towns#363 coldest of 552 in IN
More snow than 56% of U.S. towns#195Snowiest  of 551 in IN
All IN rankings →

A year in Brown Township at a glance

Each month’s typical high and low, and what it brings.

Jan36°20° 9" snow
Feb41°23° 6" snow
Mar51°32° 3" snow
Apr64°41° Last frost ~Apr 15
May73°52°
Jun82°61° 3 days 90°+Wettest
Jul85°65° 7 days 90°+
Aug84°63° 6 days 90°+
Sep78°55° 3 days 90°+
Oct66°44° First frost ~Oct 26
Nov now52°33°
Dec40°25° 6" snow

What stands out about Brown Township’s climate

Compared with towns across the U.S., with Brown Township’s place in Indiana beside it.

A normal year

What a year in Brown Township feels like

Typical highs and lows by season and by month, from NOAA’s 30-year normals.

Winter
39° / 23°
8 days with 1"+ of snow
Spring
63° / 42°
Last frost around Apr 15
Summer
83° / 63°
20 days reach 90°
Fall
65° / 44°
First frost around Oct 26
Best months to be outsideAprMayJunAugSepOctHighs of 62–84° and lows of 40° or more
Frost, heat & the growing season

About 193 frost-free days a year

In half of years the last 32° night comes by April 15 and the first by October 26. Frost and day counts come from NOAA’s station at Indianapolis, IN, 9 miles from the town’s center, at about the same height.

106
nights at or below 32° in a normal year
84th fewest of 552 in Indiana
Fewer freezing nights than 57% of U.S. towns
3
nights at or below 0°
411th most of 552 in Indiana
More nights at or below 0° than 60% of U.S. towns
20
days that reach 90°
145th most of 552 in Indiana
More 90° days than 50% of U.S. towns
<1
days that reach 100°
102nd most of 552 in Indiana
More 100° days than 57% of U.S. towns
6bUSDA zone
Plant hardiness zone 6b

The 2023 USDA map puts Brown Township’s center in zone 6b: the coldest night of a typical winter, averaged over 1991–2020, reaches about −5°. Plant labels use the zone; frost dates tell you when to plant.

Freezing nights by month

Average nights at or below 32°

26
JFMAMJJASOND

90° days by month

Average days at 90° or more

7.4
JFMAMJJASOND
Rain & snow

About 26 inches of snow a winter

Snow, measured at Indianapolis, IN, falls mostly in January. Precipitation (rain plus melted snow) adds up to 44 inches a year; June is the wettest month and February the driest. Rain or snow falls on about 128 days a year.

44"
Rain + melted snow a year
213th wettest of 552 in Indiana
Wetter than 55% of U.S. towns
26"
Snow in a normal winter
195th snowiest of 551 in Indiana
More snow than 56% of U.S. towns
27 days
With 1"+ of snow on the ground
261st most of 413 in Indiana
More days with snow on the ground than 55% of U.S. towns

Rain + melted snow by month

Inches of water

5.0"
JFMAMJJASOND

Snowfall by month

Inches of snow

9"
JFMAMJJASOND
Heating & cooling

Heating and cooling a home in Brown Township

82% of the work is heating. Months averaging under 55° run from October through April.

5,250 heating degree daysLess heating than 52% of U.S. towns
1,139 cooling degree daysMore cooling than 62% of U.S. towns

Degree days add up how far each day’s average falls below (heating) or rises above (cooling) 65° over a year. NOAA normals at Indianapolis, IN.

Living here

Living with Brown Township’s climate

What the numbers mean for a garden, a free afternoon and a bad-weather day.

The garden window

193 frost-free days in zone 6b. The last frost comes by Apr 15 in half of years, so many gardeners wait a week or two past that to set out tomatoes. The first fall frost comes by Oct 26.

Get outside

Months with highs of 62–84° and lows of 40° or more: April, May, June, August, September and October. 2.7 miles of trails are waiting.

Parks & trails →
Storms and extremes

Of the yearly building losses FEMA expects in Brown Township from natural hazards, river flooding is the largest share (55%); heat waves, cold waves, winter storms and ice storms together are 10%. Normals are averages; the hazards page covers the extremes.

Natural hazards →
Next door

Brown Township and its neighbors

Every town next door is within a degree of Brown Township in January and July, closer than the 5 km grid can tell apart. Tap a town to see its climate.

Harrison Township: January low 21°, July high 85°Decatur Township: January low 20°, July high 85°Indianapolis: January low 20°, July high 85°White River Township: January low 20°, July high 84°Washington Township: January low 21°, July high 85°Green Township: January low 21°, July high 85°Foxcliff Estates: January low 21°, July high 85°Gregg Township: January low 20°, July high 84°Jefferson Township: January low 21°, July high 85°Liberty Township: January low 19°, July high 84°Adams Township: January low 20°, July high 84°Plainfield: January low 20°, July high 85°Washington Township: January low 19°, July high 84°Avon: January low 19°, July high 84°Madison Township: January low 20°, July high 85°Clay Township: January low 21°, July high 85°Monroe Township: January low 20°, July high 84°Guilford Township: January low 20°, July high 84°Mooresville: January low 20°, July high 85°Brooklyn: January low 20°, July high 85°Brown Township: January low 20°, July high 85°Brown TownshipMadison TownshipClay TownshipMonroe TownshipGuilford TownshipMooresvilleBrooklyn
ColderMilder19° to 21°
Monroe Township19.7° about the same
Guilford Township19.9° about the same
Brown Township20.2°
Madison Township20.2° about the same
Mooresville20.4° about the same
Brooklyn20.4° about the same
Clay Township20.5° about the same

Climates most like Brown Township’s, farther away

TownRatings’ own comparison of NOAA 1991–2020 normals, not a NOAA product: places of 5,000+ at least 150 miles away, one per state, closest on January low, July high, precipitation and snow.

TownJan. lowJuly highPrecip.Snow
Brown Township, IN20°85°44"26"
Vandergrift, PA20°84°43"29"
Reynoldsburg, OH21°84°43"28"
Fairmont, WV23°84°46"24"
Westminster, MD22°86°45"28"

Temperatures and rain come from NOAA’s 5 km grid, so each town gets its own value. Snow and frost-free days come from the nearest weather station, so neighbors often share them.

Then and now

Warmer than it used to be

The last 30 years in Brown Township averaged 0.8° warmer than the 1900s. The biggest change is in December (+2.0°).

+0.8°1991–2020 vs. 1901–2000

A smaller shift than in 90% of U.S. towns.

Winter+1.5°now 31°, was 29°
Spring+1.1°now 52°, was 51°
Summer−0.0°now 73°, was 73°
Fall+0.6°now 55°, was 54°

Change by month

JanFebMarAprMayJunJulAugSepOctNovDec

The two periods overlap (1991–2000 is in both), which makes the gap a little smaller than it would be between separate periods.

Compared with other towns

How Brown Township compares

Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Brown Township’s place among Indiana’s.

Summer heat85° July high
Cooler July afternoons than 55% of U.S. towns344th coolest of 552 in Indiana
Winter cold20° January low
Colder January nights than 58% of U.S. towns363rd coldest of 552 in Indiana
Precipitation44" a year
Wetter than 55% of U.S. towns213th wettest of 552 in Indiana
Snow26" a winter
More snow than 56% of U.S. towns195th snowiest of 551 in Indiana
Hot days20 days at 90°+
More 90° days than 50% of U.S. towns145th most of 552 in Indiana
Freezing nights106 a year
Fewer freezing nights than 57% of U.S. towns84th fewest of 552 in Indiana
Growing season193 frost-free days
A longer frost-free season than 61% of U.S. towns83rd longest of 552 in Indiana
Month by month

Brown Township weather by month

Highs, lows and precipitation from NOAA’s grid at Brown Township’s center; snow, wet days and snow on the ground from Indianapolis, IN. 1991–2020 normals.

MonthHighLowRain + meltSnowWet daysSnow on ground30-yr range
January36°20°3.0"8.8"121120° – 39°
February41°23°2.4"6.0"10719° – 42°
March51°32°3.4"3.2"12234° – 55°
April64°41°4.4"0.2"12046° – 58°
May73°52°4.8"0.0"13057° – 71°
June82°61°5.0"0.0"12067° – 74°
July85°65°4.3"0.0"10069° – 82°
August84°63°3.3"0.0"8068° – 78°
September78°55°3.2"0.0"8062° – 71°
October66°44°3.5"0.1"9051° – 60°
November52°33°3.4"0.8"10035° – 49°
December40°25°3.0"6.4"12620° – 42°
Year62°43°43.9"25.5"12827
Year to year

How much a month can swing

A normal is an average. February swings the most: from 1991 to 2020 its average ranged from 19° to 42°. June is the most reliable, staying within 8°.

Coldest to warmest month in 30 yearsNormal
Sources

Where Brown Township’s numbers come from

Normals are 30-year averages, not a forecast. How TownRatings reads climate data →

  • Temperatures and precipitation: NOAA’s gridded 1991–2020 normals for the 5 km cell at Brown Township’s center.
  • Snow: Indianapolis, IN.
  • Frost, freezing nights, 90° and 100° days, heating and cooling: Indianapolis, IN, 9 miles from the town’s center, at about the same height; the nearest station that passes our checks for distance, height and agreement with the grid.
  • Growing zone: USDA Plant Hardiness Zone Map, 2023. USDA Agricultural Research Service and PRISM Group, Oregon State University, prism.oregonstate.edu/phzm, accessed 8 Oct 2026.
  • Then and now: NOAA’s gridded normals for 1901–2000 at the same cell.
  • Storms and extremes: FEMA National Risk Index (expected annual losses to buildings).

Common questions about Brown Township’s climate

What is the weather like in Brown Township?

A typical July afternoon reaches 85°, a January night drops to 20°, and about 26 inches of snow falls in a normal winter. Colder January nights than 58% of U.S. towns; cooler July afternoons than 55% of U.S. towns.

How cold does it get in Brown Township in winter?

January nights average 20°. About 106 nights a year reach 32° or below and 3 reach 0° or below. In the coldest January of the last 30 years the month averaged 20°.

How much snow does Brown Township get?

About 26 inches in a normal winter at Indianapolis, IN, most of it in January, with snow on the ground about 27 days a year.

How hot does it get in Brown Township?

July, with a typical high of 85° and a low of 65°. About 20 days a year reach 90° (Indianapolis, IN).

When is the first and last frost in Brown Township?

In half of years the last spring frost (32°) comes by April 15 and the first fall frost by October 26, about 193 frost-free days, at Indianapolis, IN.

What growing zone is Brown Township in?

Zone 6b on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about −5°.

What is the best time of year to visit Brown Township?

By one simple rule (highs of 62–84° and lows of 40° or more), April, May, June, August, September and October. The rule is ours, not NOAA’s; the month table has the numbers to judge by.

Is Brown Township getting warmer?

Yes: 1991–2020 averaged 0.8° warmer than 1901–2000 on NOAA’s grid. A smaller shift than 90% of U.S. towns.

Neighbors talk weather

Gardens, snow, and the best days of the year in Brown Township.

Town Square →
Ask your neighbors

Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000; USDA/PRISM 2023 hardiness zones; FEMA National Risk Index. Today’s forecast: National Weather Service.