Climate · Buffalo

Buffalo, IA climate

Buffalo has cold, snowy winters and warm summers. A typical July afternoon reaches 84°, a January night drops to 14°, and about 36 inches of snow falls in a normal winter.

NOAA 1991-2020 climate normals Updated once a decade
July high
84°
402nd hottest of 1,026 Iowa towns
January low
14°
129th mildest of 1,026 Iowa towns
Rain + melted snow
38 in
254th wettest of 1,026 Iowa towns
Snow a winter
36 in
262nd snowiest of 1,020 Iowa towns
A normal year

What a year in Buffalo feels like

Winter

33° / 17°
Typical high / low · 11 days with an inch or more of snow

Spring

61° / 40°
Typical high / low · Last frost around Apr 19

Summer

83° / 63°
Typical high / low · 18 days reach 90° in a normal year

Fall

63° / 42°
Typical high / low · First frost around Oct 22
Best months to be outsideMayJunAugSepOctHighs of 62–84° and lows of 40° or more
Month by month

Buffalo weather by month

Average highs, lows, rain and snow for every month, from NOAA’s 1991–2020 normals.

MonthHighLowRain + meltSnowWet days30-yr range
January30°14°1.4" 10.8"9 14° – 34°
February35°18°1.7" 8.6"9 14° – 37°
March48°29°2.4" 4.4"10 30° – 53°
April62°39°3.7" 1.1"11 42° – 58°
May72°51°4.8" 012 56° – 69°
June82°61°5.1" 011 68° – 75°
July84°64°4.1" 09 69° – 81°
August83°62°4.0" 09 67° – 78°
September76°54°3.6" 08 60° – 70°
October64°42°2.8" 0.3"9 48° – 58°
November48°30°2.3" 2.1"9 31° – 50°
December35°20°1.9" 8.8"10 13° – 37°
Year60°40°37.6"36.1"117

“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 & snow

Rain and snow in Buffalo

Buffalo gets 38 inches of rain and melted snow a year. June is the wettest month and January the driest. Rain or snow falls on about 117 days a year.

38 in
Rain + melted snow a year
Less rain than 58% of U.S. towns
36 in
Snow in a normal winter
More snow than 65% of U.S. towns
117 days
With rain or snow (0.01"+)

Rain + melted snow by month

Inches of water
5.1"

Snowfall by month

Inches of snow
11"
Frost & the growing season

About 184 frost-free days a year

In half of years the last 32° night comes by April 19 and the first one by October 22. That leaves about 184 frost-free days for gardens, longer than 57% of U.S. towns.

118
nights at or below 32° in a normal year
7
nights below 0° in a normal year
18
days that reach 90° in a normal year

Freezing nights by month

Average nights at or below 32°

90° days by month

Average days at 90° or more
Heating & cooling

Heating and cooling a home in Buffalo

Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Buffalo, 87% of that work is heating and 13% is cooling, so the furnace matters far more than the air conditioner.

87%heating
6,241 heating degree daysMore heating than 61% of U.S. towns
935 cooling degree daysMore cooling than 57% of U.S. towns

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.

Around Buffalo

Buffalo and its neighbors

Buffalo borders 1 town with climate data. January nights across them vary by 0.3°. Davenport has both the coldest January nights (14°) and the hottest July afternoons (84°). Buffalo’s January low is 14° and its July high 84°.

Bettendorf: January low 14°, July high 84°Rock Island: January low 14°, July high 85°Rock Island Arsenal: January low 14°, July high 85°Blackhawk: January low 14°, July high 85°Eldridge: January low 14°, July high 84°South Rock Island: January low 14°, July high 85°Moline: January low 14°, July high 85°Andalusia: January low 14°, July high 85°Davenport: January low 14°, July high 84°Buffalo: January low 14°, July high 84° BuffaloDavenport
ColderMilder14° to 14°
Buffalo13.9°
Davenport14.2° +0.3°

Temperatures and rain come from NOAA’s 5 km grid, so each town gets its own value.

Compared with other towns

How Buffalo compares

Summer heat84° July high
Cooler than 53% of U.S. towns402nd hottest of 1,026 Iowa towns
Winter cold14° January low
Colder than 73% of U.S. towns129th mildest of 1,026 Iowa towns
Precipitation38" a year
Drier than 58% of U.S. towns254th wettest of 1,026 Iowa towns
Snow36" a winter
Snowier than 65% of U.S. towns262nd snowiest of 1,020 Iowa towns
Growing season184 frost-free days
Longer than 57% of U.S. towns61st longest of 1,026 Iowa towns

Compared with every U.S. town and city on TownTapestry, each counted once.

Then and now

Warmer than it used to be

+1.0°1991–2020 average vs. the 20th century (1901–2000)

The last 30 years in Buffalo averaged 1.0° warmer than the 1900s. The biggest change is in December (+2.0°). The shift is smaller than in 73% of U.S. towns.

❄️ Winter+1.6° now 25°, was 24°
🌷 Spring+1.3° now 50°, was 49°
☀️ Summer+0.3° now 73°, was 72°
🍂 Fall+0.7° now 53°, was 52°

Change by month1991–2020 average minus 1901–2000 average, at Buffalo’s spot on NOAA’s grid

Year to year

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 13° to 37°. June is the most reliable, staying within 7°.

Coldest to warmest month in 30 yearsNormal
Questions

Common questions about Buffalo’s climate

What is the coldest month in Buffalo?

January, with a typical high of 30° and a low of 14°.

What is the hottest month in Buffalo?

July, with a typical high of 84° and a low of 64°. About 18 days a year reach 90°.

How much snow does Buffalo get?

About 36 inches in a normal winter, most of it in January.

When is the first frost in Buffalo?

In half of years the first 32° night comes by October 22, and the last spring frost by April 19.

What is the rainiest month in Buffalo?

June, with 5.1 inches of rain and melted snow. The year totals 38 inches.

Temperatures and rainfall come from NOAA’s gridded climate normals for Buffalo itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Moline Quad City Intl Airport, IL (13 mi, snow) and Rock Island L&d 15, IL (11 mi, frost, heat and degree days). Normals are 30-year averages, not a forecast. Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000.

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