Lamar, OK climate
Lamar has mild winters and hot summers. A typical July afternoon reaches 93°, a January night drops to 29°, and about 2 inches of snow falls in a normal winter.
NOAA 1991-2020 climate normals Updated once a decadeWhat a year in Lamar feels like
Winter
Spring
Summer
Fall
Lamar weather by month
Average highs, lows, rain and snow for every month, from NOAA’s 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | 30-yr range |
|---|---|---|---|---|---|---|
| January | 51° | 29° | 2.2" | 0.9" | 4 | 35° – 49° |
| February | 56° | 33° | 2.3" | 0.2" | 5 | 37° – 53° |
| March | 64° | 41° | 3.4" | 0.1" | 6 | 47° – 61° |
| April | 73° | 49° | 4.5" | 0 | 6 | 55° – 68° |
| May | 80° | 58° | 6.1" | 0 | 7 | 67° – 75° |
| June | 88° | 67° | 4.8" | 0 | 7 | 74° – 83° |
| July | 93° | 71° | 3.8" | 0 | 5 | 77° – 89° |
| August | 93° | 69° | 3.2" | 0 | 5 | 75° – 89° |
| September | 85° | 62° | 4.6" | 0 | 6 | 69° – 81° |
| October | 75° | 50° | 4.1" | 0 | 6 | 56° – 69° |
| November | 62° | 39° | 3.2" | 0.3" | 5 | 44° – 58° |
| December | 53° | 31° | 2.9" | 0.6" | 4 | 32° – 47° |
| Year | 73° | 50° | 45.2" | 2.1" | 66 |
“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 and snow in Lamar
Lamar gets 45 inches of rain and melted snow a year. May is the wettest month and January the driest. Rain or snow falls on about 66 days a year.
About 221 frost-free days a year
In half of years the last 32° night comes by March 29 and the first one by November 5. That leaves about 221 frost-free days for gardens, longer than 82% of U.S. towns.
Heating and cooling a home in Lamar
Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Lamar, 63% of that work is heating and 37% is cooling.
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.
How Lamar compares
Compared with every U.S. town and city on TownTapestry, each counted once.
About as warm as it used to be
The last 30 years in Lamar averaged 0.2° warmer than the 1900s. The biggest change is in March (+1.3°). The shift is smaller than in 100% of U.S. towns.
Change by month1991–2020 average minus 1901–2000 average, at Lamar’s spot on NOAA’s grid
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 37° to 53°. May is the most reliable, staying within 9°.
Common questions about Lamar’s climate
What is the coldest month in Lamar?
January, with a typical high of 51° and a low of 29°.
What is the hottest month in Lamar?
July, with a typical high of 93° and a low of 71°. About 67 days a year reach 90°.
How much snow does Lamar get?
About 2 inches in a normal winter, most of it in January.
When is the first frost in Lamar?
In half of years the first 32° night comes by November 5, and the last spring frost by March 29.
What is the rainiest month in Lamar?
May, with 6.1 inches of rain and melted snow. The year totals 45 inches.
Temperatures and rainfall come from NOAA’s gridded climate normals for Lamar itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Holdenville 2sse, OK (15 mi, snow) and Holdenville 3ese Mesonet, OK (13 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.