Hillsdale has chilly winters and hot summers
A typical July afternoon reaches 95°, a January night drops to 24°, and about 9 inches of snow falls in a normal winter.
A year in Hillsdale at a glance
Each month’s typical high and low, and what it brings.
What stands out about Hillsdale’s climate
Read from where Hillsdale sits among Oklahoma’s towns. The page puts what stands out first.
Warmer than it used to be
The last 30 years in Hillsdale averaged 1.1° warmer than the 1900s. The biggest change is in January (+2.6°).
A smaller shift than in 58% of U.S. towns.
Change by month
9 inches of snow, 33 of rain and melt
May is the wettest month and January the driest. Rain or snow falls on about 82 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
About 209 frost-free days a year
In half of years the last 32° night comes by April 6 and the first by November 1.
Freezing nights by month
Average nights at or below 32°
90° days by month
Average days at 90° or more
What a year in Hillsdale feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
Living with Hillsdale’s climate
What the numbers mean for a garden, a driveway, a furnace and a free afternoon.
209 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 Nov 1.
About 9" in a normal winter.
Months averaging under 55° run from November through March. Heating is 66% of the year’s heating-and-cooling load.
About 80 days a year reach 90°, and July afternoons average 95°.
The nicest months are April, May and October.
Parks & trails →Normals are averages. Ice storms, nor’easters, floods and heat waves are on the natural hazards page.
Natural hazards →How Hillsdale compares
Against every U.S. town on TownTapestry, each counted once, with its place in Oklahoma.
Hillsdale 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 | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 47° | 24° | 1.1" | 2.4" | 5 | 3 | 30° – 45° |
| February | 52° | 28° | 1.3" | 2.0" | 6 | 2 | 33° – 48° |
| March | 62° | 37° | 2.4" | 1.5" | 7 | 1 | 43° – 59° |
| April | 71° | 45° | 3.3" | 0 | 8 | 0 | 52° – 65° |
| May | 80° | 56° | 4.5" | 0 | 10 | 0 | 63° – 75° |
| June | 90° | 66° | 4.4" | 0 | 9 | 0 | 73° – 84° |
| July | 95° | 70° | 3.4" | 0 | 7 | 0 | 77° – 90° |
| August | 93° | 69° | 3.7" | 0 | 8 | 0 | 74° – 87° |
| September | 85° | 60° | 2.5" | 0 | 7 | 0 | 69° – 80° |
| October | 73° | 48° | 3.0" | 0 | 6 | 0 | 53° – 66° |
| November | 60° | 36° | 1.7" | 0.4" | 5 | 0 | 41° – 55° |
| December | 49° | 27° | 1.4" | 3.1" | 6 | 3 | 29° – 42° |
| Year | 71° | 47° | 32.6" | 9.4" | 82 | 9 |
Heating and cooling a home in Hillsdale
66% 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. March swings the most: from 1991 to 2020 its average ranged from 43° to 59°. June is the most reliable, staying within 11°.
Common questions about Hillsdale’s climate
What is the coldest month in Hillsdale?
January, with a typical high of 47° and a low of 24°.
What is the hottest month in Hillsdale?
July, with a typical high of 95° and a low of 70°. About 80 days a year reach 90°.
How much snow does Hillsdale get?
About 9 inches in a normal winter, most of it in December.
When is the first frost in Hillsdale?
In half of years the first 32° night comes by November 1, and the last spring frost by April 6.
What is the rainiest month in Hillsdale?
May, with 4.5 inches of rain and melted snow. The year totals 33 inches.
Neighbors talk weather
Gardens, snow, and the best days of the year in Hillsdale.
Your answer becomes a post in Town Square.
Temperatures and rainfall come from NOAA’s gridded climate normals for Hillsdale itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Enid, OK (12 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.