Climate · Lavina

Lavina, MT climate

Lavina has cold, snowy winters and warm summers, with very little rain. A typical July afternoon reaches 87°, a January night drops to 13°, and about 43 inches of snow falls in a normal winter.

NOAA 1991-2020 climate normals Updated once a decade
July high
87°
57th hottest of 497 Montana towns
January low
13°
227th coldest of 497 Montana towns
Rain + melted snow
14 in
246th driest of 497 Montana towns
Snow a winter
43 in
197th snowiest of 408 Montana towns
A normal year

What a year in Lavina feels like

Winter

38° / 14°
Typical high / low · 15 days with an inch or more of snow

Spring

58° / 31°
Typical high / low · Last frost around May 22

Summer

83° / 51°
Typical high / low · 41 days reach 90° in a normal year

Fall

60° / 32°
Typical high / low · First frost around Sep 15
Best months to be outsideJunSepHighs of 62–84° and lows of 40° or more
Month by month

Lavina 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°13°0.4" 8.5"517 15° – 36°
February40°15°0.4" 10.0"612 6° – 39°
March50°23°0.7" 5.9"67 23° – 44°
April58°30°1.6" 3.7"92 38° – 49°
May67°39°2.8" 0.1"110 49° – 57°
June77°48°2.7" 0100 57° – 68°
July87°54°1.5" 060 60° – 77°
August86°51°1.1" 070 62° – 74°
September75°43°1.2" 060 55° – 65°
October60°32°1.1" 3.6"72 37° – 52°
November46°22°0.5" 4.8"56 25° – 43°
December37°14°0.4" 6.4"512 16° – 34°
Year60°32°14.4"43.0"8457

“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 Lavina

Lavina gets 14 inches of rain and melted snow a year. May is the wettest month and January the driest. Rain or snow falls on about 84 days a year. Snow covers the ground about 57 days of the year.

14 in
Rain + melted snow a year
Less rain than 95% of U.S. towns
43 in
Snow in a normal winter
More snow than 74% of U.S. towns
57 days
With 1"+ of snow on the ground
More than 70% of U.S. towns

Rain + melted snow by month

Inches of water
2.8"

Snowfall by month

Inches of snow
10"
Frost & the growing season

About 114 frost-free days a year

In half of years the last 32° night comes by May 22 and the first one by September 15. That leaves about 114 frost-free days for gardens, shorter than 98% of U.S. towns.

196
nights at or below 32° in a normal year
25
nights below 0° in a normal year
41
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 Lavina

Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Lavina, 96% of that work is heating and 4% is cooling, so the furnace matters far more than the air conditioner.

96%heating
7,899 heating degree daysMore heating than 85% of U.S. towns
334 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 Lavina compares

Summer heat87° July high
Hotter than 63% of U.S. towns57th hottest of 497 Montana towns
Winter cold13° January low
Colder than 76% of U.S. towns227th coldest of 497 Montana towns
Precipitation14" a year
Drier than 95% of U.S. towns246th driest of 497 Montana towns
Snow43" a winter
Snowier than 74% of U.S. towns197th snowiest of 408 Montana towns
Growing season114 frost-free days
Shorter than 98% of U.S. towns174th shortest of 490 Montana towns

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

Then and now

Warmer than it used to be

+1.1°1991–2020 average vs. the 20th century (1901–2000)

The last 30 years in Lavina averaged 1.1° warmer than the 1900s. The biggest change is in January (+3.9°). The shift is smaller than in 60% of U.S. towns.

❄️ Winter+2.0° now 26°, was 24°
🌷 Spring+1.0° now 45°, was 44°
☀️ Summer+0.8° now 67°, was 66°
🍂 Fall+0.7° now 46°, was 46°

Change by month1991–2020 average minus 1901–2000 average, at Lavina’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 6° to 39°. May is the most reliable, staying within 9°.

Coldest to warmest month in 30 yearsNormal
Questions

Common questions about Lavina’s climate

What is the coldest month in Lavina?

January, with a typical high of 37° and a low of 13°.

What is the hottest month in Lavina?

July, with a typical high of 87° and a low of 54°. About 41 days a year reach 90°.

How much snow does Lavina get?

About 43 inches in a normal winter, most of it in February.

When is the first frost in Lavina?

In half of years the first 32° night comes by September 15, and the last spring frost by May 22.

What is the rainiest month in Lavina?

May, with 2.8 inches of rain and melted snow. The year totals 14 inches.

Temperatures and rainfall come from NOAA’s gridded climate normals for Lavina itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Roundup 15 Sw, MT (10 mi) away. Normals are 30-year averages, not a forecast. Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000.

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