Photo: Renelibrary · CC BY-SA 4.0Olney reaches 100° on about 33 days a year, more than 98% of U.S. towns
Midwinter brings lows of about 31°. Expect the heaviest rain or snow in May and the lightest in January. It is a dry place: less rain and snow fall here than on 86% of U.S. towns. The outdoor season, with highs of 67–78°, runs through March, April, October and November.
A year in Olney at a glance
Each month’s typical high and low, and what it brings.
What stands out about Olney’s climate
Compared with towns across the U.S., with Olney’s place in Texas beside it.
What a year in Olney feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 222 frost-free days a year
In half of years the last 32° night comes by March 31 and the first by November 8. Frost and day counts come from NOAA’s station at Olney, TX, 0.8 miles from the town’s center, at about the same height.
The 2023 USDA map puts Olney’s center in zone 8a: the coldest night of a typical winter, averaged over 1991–2020, reaches about 13°. Plant labels use the zone; frost dates tell you when to plant.
Freezing nights by month
Average nights at or below 32°
90° days by month
Average days at 90° or more
About 1 inches of snow a winter
Snow, measured at Olney 5 Nnw, TX, falls mostly in November. Precipitation (rain plus melted snow) adds up to 30 inches a year; May is the wettest month and January the driest. Rain or snow falls on about 42 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
Heating and cooling a home in Olney
53% of the work is heating. Months averaging under 55° run from November through February.
Degree days add up how far each day’s average falls below (heating) or rises above (cooling) 65° over a year. NOAA normals at Olney, TX.
Living with Olney’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
222 frost-free days in zone 8a. The last frost comes by Mar 31 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 8.
Months with highs of 62–84° and lows of 40° or more: March, April, October and November. 0.3 miles of trails are waiting.
Parks & trails →Of the yearly building losses FEMA expects in Olney from natural hazards, drought is the largest share (35%); heat waves, cold waves, winter storms and ice storms together are 9%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Olney and similar climates
TownRatings has no climate map of the towns around Olney yet.
Climates most like Olney’s, farther away
TownRatings’ own comparison of NOAA 1991–2020 normals, not a NOAA product: places of 5,000+ at least 150 miles away, one per state, closest on January low, July high, precipitation and snow.
| Town | Jan. low | July high | Precip. | Snow |
|---|---|---|---|---|
| Olney, TX | 31° | 97° | 30" | 1.2" |
| Oakhurst, CA | 34° | 95° | 29" | 2.5" |
| El Reno, OK | 27° | 94° | 34" | 3.6" |
| Sedona, AZ | 30° | 97° | 17" | 1.0" |
| Central Point, OR | 32° | 93° | 22" | 3.4" |
Temperatures and precipitation come from NOAA’s 5 km grid; snow and day counts from the stations named on this page.
Warmer than it used to be
The last 30 years in Olney averaged 0.9° warmer than the 1900s. The biggest change is in March (+2.3°).
A smaller shift than in 81% of U.S. towns.
Change by month
The two periods overlap (1991–2000 is in both), which makes the gap a little smaller than it would be between separate periods.
How Olney compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Olney’s place among Texas’.
Olney weather by month
Highs, lows and precipitation from NOAA’s grid at Olney’s center; snow, wet days and snow on the ground from Olney 5 Nnw, TX. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 56° | 31° | 1.3" | 0.0" | 3 | 0 | 40° – 52° |
| February | 60° | 35° | 1.7" | 0.0" | 2 | 0 | 40° – 57° |
| March | 69° | 43° | 2.4" | 0.0" | 4 | 0 | 50° – 63° |
| April | 77° | 51° | 2.3" | 0.0" | 4 | 0 | 58° – 69° |
| May | 85° | 61° | 4.0" | 0.0" | 6 | 0 | 68° – 78° |
| June | 92° | 69° | 3.8" | 0.0" | 5 | 0 | 76° – 88° |
| July | 97° | 72° | 2.4" | 0.0" | 3 | 0 | 79° – 92° |
| August | 96° | 72° | 2.4" | 0.0" | 3 | 0 | 77° – 92° |
| September | 88° | 64° | 2.9" | 0.0" | 3 | 0 | 72° – 82° |
| October | 78° | 53° | 3.3" | 0.0" | 4 | 0 | 59° – 70° |
| November | 67° | 41° | 1.9" | 1.2" | 3 | 0 | 47° – 61° |
| December | 57° | 33° | 1.5" | 0.0" | 3 | 0 | 39° – 49° |
| Year | 77° | 52° | 29.9" | 1.2" | 42 | 0 |
How much a month can swing
A normal is an average. February swings the most: from 1991 to 2020 its average ranged from 40° to 57°. May is the most reliable, staying within 10°.
Where Olney’s numbers come from
Normals are 30-year averages, not a forecast. How TownRatings reads climate data →
- Temperatures and precipitation: NOAA’s gridded 1991–2020 normals for the 5 km cell at Olney’s center.
- Snow: Olney 5 Nnw, TX.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Olney, TX, 0.8 miles from the town’s center, at about the same height; the nearest station that passes our checks for distance, height and agreement with the grid.
- Growing zone: USDA Plant Hardiness Zone Map, 2023. USDA Agricultural Research Service and PRISM Group, Oregon State University, prism.oregonstate.edu/phzm, accessed 8 Oct 2026.
- Then and now: NOAA’s gridded normals for 1901–2000 at the same cell.
- Storms and extremes: FEMA National Risk Index (expected annual losses to buildings).
Common questions about Olney’s climate
What is the weather like in Olney?
A typical July afternoon reaches 97°, a January night drops to 31°, and about 1 inches of snow falls in a normal winter. Milder January nights than 74% of U.S. towns; hotter July afternoons than 98% of U.S. towns.
How cold does it get in Olney in winter?
January nights average 31°. About 56 nights a year reach 32° or below. In the coldest January of the last 30 years the month averaged 40°.
How much snow does Olney get?
About 1.2 inches in a normal winter at Olney 5 Nnw, TX, most of it in November, with snow on the ground about 0 days a year.
How hot does it get in Olney?
July, with a typical high of 97° and a low of 72°. About 108 days a year reach 90° and 33 reach 100° (Olney, TX).
When is the first and last frost in Olney?
In half of years the last spring frost (32°) comes by March 31 and the first fall frost by November 8, about 222 frost-free days, at Olney, TX.
What growing zone is Olney in?
Zone 8a on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about 13°.
What is the best time of year to visit Olney?
By one simple rule (highs of 62–84° and lows of 40° or more), March, April, October and November. The rule is ours, not NOAA’s; the month table has the numbers to judge by.
Is Olney getting warmer?
Yes: 1991–2020 averaged 1.0° warmer than 1901–2000 on NOAA’s grid. A smaller shift than 81% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Olney.
Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000; USDA/PRISM 2023 hardiness zones; FEMA National Risk Index. Today’s forecast: National Weather Service.