
Hallett has chilly winters and hot summers
A typical July afternoon reaches 92°, a January night drops to 26°, and about 8 inches of snow falls in a normal winter.
A year in Hallett at a glance
Each month’s typical high and low, and what it brings.
What stands out about Hallett’s climate
Read from where Hallett sits among Oklahoma’s towns. The page puts what stands out first.
8 inches of snow, 40 of rain and melt
May is the wettest month and January the driest. Rain or snow falls on about 68 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
What a year in Hallett feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 207 frost-free days a year
In half of years the last 32° night comes by April 6 and the first by October 29.
Freezing nights by month
Average nights at or below 32°
90° days by month
Average days at 90° or more
Living with Hallett’s climate
What the numbers mean for a garden, a driveway, a furnace and a free afternoon.
207 frost-free days. The last frost comes by Apr 6 in half of years, so many gardeners wait a week or two past that to set out tomatoes. The first fall frost comes by Oct 29.
About 8" in a normal winter.
Months averaging under 55° run from November through March. Heating is 64% of the year’s heating-and-cooling load.
About 64 days a year reach 90°, and July afternoons average 92°.
The nicest months are April, May, September and October. 1.0 miles of trails are waiting.
Parks & trails →Normals are averages. Ice storms, nor’easters, floods and heat waves are on the natural hazards page.
Natural hazards →Warmer than it used to be
The last 30 years in Hallett averaged 0.4° warmer than the 1900s. The biggest change is in January (+1.9°).
A smaller shift than in 99% of U.S. towns.
Change by month
How Hallett compares
Against every U.S. town on TownTapestry, each counted once, with its place in Oklahoma.
Hallett 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° | 26° | 1.5" | 1.9" | 4 | 32° – 47° |
| February | 53° | 30° | 1.7" | 1.6" | 4 | 34° – 49° |
| March | 62° | 39° | 2.8" | 1.8" | 6 | 44° – 59° |
| April | 72° | 48° | 4.2" | 0 | 7 | 53° – 66° |
| May | 79° | 57° | 5.7" | 0 | 8 | 64° – 75° |
| June | 87° | 66° | 4.9" | 0 | 8 | 72° – 82° |
| July | 92° | 71° | 3.7" | 0 | 5 | 77° – 89° |
| August | 92° | 69° | 3.5" | 0 | 5 | 74° – 87° |
| September | 84° | 61° | 3.9" | 0 | 6 | 68° – 79° |
| October | 73° | 49° | 3.5" | 0 | 6 | 54° – 68° |
| November | 61° | 38° | 2.3" | 0.2" | 5 | 42° – 57° |
| December | 50° | 29° | 1.9" | 2.9" | 5 | 27° – 45° |
| Year | 71° | 48° | 39.5" | 8.4" | 68 |
Heating and cooling a home in Hallett
64% of the work is heating.
Degree days add up how far each day’s average falls below (heating) or rises above (cooling) 65° over a year. Source: NOAA station normals.
How much a month can swing
A normal is an average. December swings the most: from 1991 to 2020 its average ranged from 27° to 45°. June is the most reliable, staying within 10°.
Common questions about Hallett’s climate
What is the coldest month in Hallett?
January, with a typical high of 48° and a low of 26°.
What is the hottest month in Hallett?
July, with a typical high of 92° and a low of 71°. About 64 days a year reach 90°.
How much snow does Hallett get?
About 8 inches in a normal winter, most of it in December.
When is the first frost in Hallett?
In half of years the first 32° night comes by October 29, and the last spring frost by April 6.
What is the rainiest month in Hallett?
May, with 5.7 inches of rain and melted snow. The year totals 40 inches.
Neighbors talk weather
Gardens, snow, and the best days of the year in Hallett.
Your answer becomes a post in Town Square.
Temperatures and rainfall come from NOAA’s gridded climate normals for Hallett itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Mannford 6 Nw, OK (8 mi) away. Normals are 30-year averages, not a forecast. Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000. Today’s forecast: National Weather Service.