Alva, OK climate
Alva has chilly winters and hot summers. A typical July afternoon reaches 95°, a January night drops to 23°, and about 11 inches of snow falls in a normal winter.
NOAA 1991-2020 climate normals Updated once a decadeWhat a year in Alva feels like
Winter
Spring
Summer
Fall
Alva 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 | 48° | 23° | 0.9" | 2.8" | 3 | 30° – 44° |
| February | 52° | 26° | 1.1" | 1.7" | 4 | 32° – 47° |
| March | 62° | 36° | 2.1" | 2.6" | 6 | 41° – 57° |
| April | 71° | 44° | 2.8" | 0 | 6 | 50° – 64° |
| May | 80° | 54° | 4.2" | 0 | 8 | 61° – 76° |
| June | 90° | 65° | 4.4" | 0 | 8 | 72° – 83° |
| July | 95° | 69° | 3.1" | 0 | 6 | 77° – 90° |
| August | 93° | 68° | 3.2" | 0 | 7 | 74° – 86° |
| September | 85° | 59° | 2.3" | 0 | 5 | 68° – 80° |
| October | 73° | 46° | 2.6" | 0 | 5 | 53° – 65° |
| November | 60° | 34° | 1.4" | 0.1" | 4 | 40° – 53° |
| December | 48° | 25° | 1.1" | 4.1" | 4 | 29° – 41° |
| Year | 71° | 46° | 29.2" | 11.3" | 65 |
“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 Alva
Alva gets 29 inches of rain and melted snow a year. June is the wettest month and January the driest. Rain or snow falls on about 65 days a year.
About 199 frost-free days a year
In half of years the last 32° night comes by April 10 and the first one by October 28. That leaves about 199 frost-free days for gardens, longer than 72% of U.S. towns.
Heating and cooling a home in Alva
Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Alva, 69% of that work is heating and 31% 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 Alva compares
Compared with every U.S. town and city on TownTapestry, each counted once.
Warmer than it used to be
The last 30 years in Alva averaged 0.8° warmer than the 1900s. The biggest change is in January (+2.2°). The shift is smaller than in 85% of U.S. towns.
Change by month1991–2020 average minus 1901–2000 average, at Alva’s spot on NOAA’s grid
How much a month can swing
A normal is an average, and real years wander around it. March swings the most: between 1991 and 2020 its average temperature ranged from 41° to 57°. June is the most reliable, staying within 12°.
Common questions about Alva’s climate
What is the coldest month in Alva?
January, with a typical high of 48° and a low of 23°.
What is the hottest month in Alva?
July, with a typical high of 95° and a low of 69°. About 88 days a year reach 90°.
How much snow does Alva get?
About 11 inches in a normal winter, most of it in December.
When is the first frost in Alva?
In half of years the first 32° night comes by October 28, and the last spring frost by April 10.
What is the rainiest month in Alva?
June, with 4.4 inches of rain and melted snow. The year totals 29 inches.
Temperatures and rainfall come from NOAA’s gridded climate normals for Alva itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Alva 1w, OK (1 mi) away. Normals are 30-year averages, not a forecast. Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000.