Climate · Wendell

Wendell, ID climate

Wendell has chilly winters and warm summers, with very little rain. A typical July afternoon reaches 92°, a January night drops to 22°, and about 24 inches of snow falls in a normal winter.

NOAA 1991-2020 climate normals Updated once a decade
July high
92°
37th hottest of 234 Idaho towns
January low
22°
112th mildest of 234 Idaho towns
Rain + melted snow
9 in
23rd driest of 234 Idaho towns
Snow a winter
24 in
72nd least snowy of 208 Idaho towns
A normal year

What a year in Wendell feels like

Winter

40° / 23°
Typical high / low · 9 days with an inch or more of snow

Spring

63° / 37°
Typical high / low · Last frost around May 3

Summer

88° / 54°
Typical high / low · 69 days reach 90° in a normal year

Fall

64° / 37°
Typical high / low · First frost around Oct 1
Best months to be outsideMayJunSepHighs of 62–84° and lows of 40° or more
Month by month

Wendell weather by month

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

MonthHighLowRain + meltSnowWet days30-yr range
January37°22°1.2" 7.8"11 20° – 37°
February44°25°0.8" 5.5"9 26° – 43°
March54°31°1.0" 1.9"9 37° – 48°
April62°35°0.9" 0.5"10 44° – 54°
May72°43°1.1" 09 51° – 63°
June82°50°0.6" 07 61° – 73°
July92°57°0.1" 03 64° – 79°
August90°55°0.2" 03 67° – 75°
September80°46°0.4" 03 59° – 67°
October65°37°0.8" 0.5"5 43° – 57°
November49°28°1.0" 2.0"8 31° – 44°
December38°22°1.5" 6.0"10 24° – 36°
Year64°38°9.5"24.2"86

“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 Wendell

Wendell gets 9 inches of rain and melted snow a year. December is the wettest month and July the driest. Rain or snow falls on about 86 days a year.

9 in
Rain + melted snow a year
Less rain than 98% of U.S. towns
24 in
Snow in a normal winter
Less snow than 51% of U.S. towns
86 days
With rain or snow (0.01"+)

Rain + melted snow by month

Inches of water
1.5"

Snowfall by month

Inches of snow
7.8"
Frost & the growing season

About 151 frost-free days a year

In half of years the last 32° night comes by May 3 and the first one by October 1. That leaves about 151 frost-free days for gardens, shorter than 80% of U.S. towns.

142
nights at or below 32° in a normal year
1
nights below 0° in a normal year
69
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 Wendell

Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Wendell, 90% of that work is heating and 10% is cooling, so the furnace matters far more than the air conditioner.

90%heating
5,883 heating degree daysMore heating than 53% of U.S. towns
671 cooling degree daysLess cooling than 63% 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.

Compared with other towns

How Wendell compares

Summer heat92° July high
Hotter than 87% of U.S. towns37th hottest of 234 Idaho towns
Winter cold22° January low
Milder than 61% of U.S. towns112th mildest of 234 Idaho towns
Precipitation9" a year
Drier than 98% of U.S. towns23rd driest of 234 Idaho towns
Snow24" a winter
Less snow than 51% of U.S. towns72nd least snowy of 208 Idaho towns
Growing season151 frost-free days
Shorter than 80% of U.S. towns70th longest of 232 Idaho towns

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

Then and now

Warmer than it used to be

+1.4°1991–2020 average vs. the 20th century (1901–2000)

The last 30 years in Wendell averaged 1.4° warmer than the 1900s. The biggest change is in January (+3.2°). The shift is larger than in 66% of U.S. towns.

❄️ Winter+2.0° now 31°, was 29°
🌷 Spring+1.1° now 50°, was 49°
☀️ Summer+1.6° now 71°, was 69°
🍂 Fall+1.0° now 51°, was 50°

Change by month1991–2020 average minus 1901–2000 average, at Wendell’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. February swings the most: between 1991 and 2020 its average temperature ranged from 26° to 43°. September is the most reliable, staying within 8°.

Coldest to warmest month in 30 yearsNormal
Questions

Common questions about Wendell’s climate

What is the coldest month in Wendell?

December, with a typical high of 38° and a low of 22°.

What is the hottest month in Wendell?

July, with a typical high of 92° and a low of 57°. About 69 days a year reach 90°.

How much snow does Wendell get?

About 24 inches in a normal winter, most of it in January.

When is the first frost in Wendell?

In half of years the first 32° night comes by October 1, and the last spring frost by May 3.

What is the rainiest month in Wendell?

December, with 1.5 inches of rain and melted snow. The year totals 9 inches.

Temperatures and rainfall come from NOAA’s gridded climate normals for Wendell itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Twin Falls 6 E, ID (24 mi, snow) and Hagerman 2 Sw, ID (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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