Climate · Fernwood

Fernwood, ID climate

Fernwood has chilly, snowy winters and pleasant summers. A typical July afternoon reaches 83°, a January night drops to 24°, and about 56 inches of snow falls in a normal winter.

NOAA 1991-2020 climate normals Updated once a decade
July high
83°
55th coolest of 234 Idaho towns
January low
24°
73rd mildest of 234 Idaho towns
Rain + melted snow
34 in
12th wettest of 234 Idaho towns
Snow a winter
56 in
66th snowiest of 208 Idaho towns
A normal year

What a year in Fernwood feels like

Winter

37° / 24°
Typical high / low · 17 days with an inch or more of snow

Spring

56° / 33°
Typical high / low · Last frost around May 3

Summer

79° / 47°
Typical high / low · 20 days reach 90° in a normal year

Fall

57° / 34°
Typical high / low · First frost around Oct 4
Best months to be outsideJunJulAugSepHighs of 62–84° and lows of 40° or more
Month by month

Fernwood weather by month

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

MonthHighLowRain + meltSnowWet daysSnow on ground30-yr range
January37°24°4.6" 16.3"1620 24° – 35°
February40°24°3.4" 8.6"1314 24° – 39°
March48°28°3.6" 5.2"147 32° – 45°
April56°32°3.0" 0.7"130 39° – 51°
May66°39°2.9" 0.1"120 47° – 57°
June72°44°2.3" 0110 53° – 67°
July83°49°0.8" 050 56° – 71°
August83°47°0.9" 040 61° – 69°
September73°41°1.3" 060 53° – 62°
October57°33°2.9" 0.2"110 40° – 52°
November43°28°4.3" 6.6"155 29° – 42°
December35°23°4.6" 18.3"1616 24° – 33°
Year58°34°34.5"56.0"13662

“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 Fernwood

Fernwood gets 34 inches of rain and melted snow a year. January is the wettest month and July the driest. Rain or snow falls on about 136 days a year. Snow covers the ground about 62 days of the year.

34 in
Rain + melted snow a year
Less rain than 66% of U.S. towns
56 in
Snow in a normal winter
More snow than 87% of U.S. towns
62 days
With 1"+ of snow on the ground
More than 73% of U.S. towns

Rain + melted snow by month

Inches of water
4.6"

Snowfall by month

Inches of snow
18"
Frost & the growing season

About 152 frost-free days a year

In half of years the last 32° night comes by May 3 and the first one by October 4. That leaves about 152 frost-free days for gardens, shorter than 79% of U.S. towns.

138
nights at or below 32° in a normal year
2
nights below 0° in a normal year
20
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 Fernwood

Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Fernwood, 95% of that work is heating and 5% is cooling, so the furnace matters far more than the air conditioner.

95%heating
6,553 heating degree daysMore heating than 66% of U.S. towns
331 cooling degree daysLess cooling than 89% 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 Fernwood compares

Summer heat83° July high
Cooler than 68% of U.S. towns55th coolest of 234 Idaho towns
Winter cold24° January low
Milder than 68% of U.S. towns73rd mildest of 234 Idaho towns
Precipitation34" a year
Drier than 66% of U.S. towns12th wettest of 234 Idaho towns
Snow56" a winter
Snowier than 87% of U.S. towns66th snowiest of 208 Idaho towns
Growing season152 frost-free days
Shorter than 79% of U.S. towns66th 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

+1.3°1991–2020 average vs. the 20th century (1901–2000)

The last 30 years in Fernwood averaged 1.3° warmer than the 1900s. The biggest change is in January (+4.0°). The shift is larger than in 56% of U.S. towns.

❄️ Winter+2.2° now 30°, was 28°
🌷 Spring+1.0° now 45°, was 44°
☀️ Summer+1.2° now 63°, was 62°
🍂 Fall+0.9° now 46°, was 45°

Change by month1991–2020 average minus 1901–2000 average, at Fernwood’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. July swings the most: between 1991 and 2020 its average temperature ranged from 56° to 71°. August is the most reliable, staying within 8°.

Coldest to warmest month in 30 yearsNormal
Questions

Common questions about Fernwood’s climate

What is the coldest month in Fernwood?

December, with a typical high of 35° and a low of 23°.

What is the hottest month in Fernwood?

August, with a typical high of 83° and a low of 47°. About 20 days a year reach 90°.

How much snow does Fernwood get?

About 56 inches in a normal winter, most of it in December.

When is the first frost in Fernwood?

In half of years the first 32° night comes by October 4, and the last spring frost by May 3.

What is the rainiest month in Fernwood?

January, with 4.6 inches of rain and melted snow. The year totals 34 inches.

Temperatures and rainfall come from NOAA’s gridded climate normals for Fernwood itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Saint Maries, ID (17 mi) away. Normals are 30-year averages, not a forecast. Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000.

The coffee’s on

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