Porum reaches 100° on about 21 days a year, more than 95% of U.S. towns
Nights in January average 29°. By January nights alone, it runs milder than 71% of U.S. towns. March has warmed most since 1901–2000, part of a 0.4° rise. Radiators earn their keep from December to February, the months that average under 50°.
A year in Porum at a glance
Each month’s typical high and low, and what it brings.
What stands out about Porum’s climate
Compared with towns across the U.S., with Porum’s place in Oklahoma beside it.
What a year in Porum feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 206 frost-free days a year
In half of years the last 32° night comes by April 6 and the first by October 30. Frost and day counts come from NOAA’s station at Webbers Falls 5 Wsw, OK, 9 miles from the town’s center, at about the same height.
The 2023 USDA map puts Porum’s center in zone 7b: the coldest night of a typical winter, averaged over 1991–2020, reaches about 9°. 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 5 inches of snow a winter
Snow, measured at Webbers Falls 5 Wsw, OK, falls mostly in January. Precipitation (rain plus melted snow) adds up to 47 inches a year; May is the wettest month and February the driest. Rain or snow falls on about 101 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
Heating and cooling a home in Porum
65% of the work is heating. Months averaging under 55° run from November through March.
Degree days add up how far each day’s average falls below (heating) or rises above (cooling) 65° over a year. NOAA normals at Webbers Falls 5 Wsw, OK.
Living with Porum’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
206 frost-free days in zone 7b. 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 30.
Months with highs of 62–84° and lows of 40° or more: March, April, May, October and November. 1.1 miles of trails are waiting.
Parks & trails →Of the yearly building losses FEMA expects in Porum from natural hazards, river flooding is the largest share (44%); heat waves, cold waves, winter storms and ice storms together are 19%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Porum and similar climates
TownRatings has no climate map of the towns around Porum yet.
Climates most like Porum’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 |
|---|---|---|---|---|
| Porum, OK | 29° | 93° | 47" | 4.6" |
| Greenbrier, AR | 30° | 92° | 52" | 2.9" |
| Newberry, SC | 33° | 92° | 45" | 1.4" |
| Mount Pleasant, TX | 35° | 94° | 48" | 1.9" |
| Apex, NC | 30° | 90° | 47" | 4.8" |
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 Porum averaged 0.4° warmer than the 1900s. The biggest change is in March (+1.5°).
A smaller shift than in all but 117 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 Porum compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Porum’s place among Oklahoma’s.
Porum weather by month
Highs, lows and precipitation from NOAA’s grid at Porum’s center; snow, wet days and snow on the ground from Webbers Falls 5 Wsw, OK. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | 30-yr range |
|---|---|---|---|---|---|---|
| January | 50° | 29° | 2.6" | 1.8" | 8 | 36° – 48° |
| February | 55° | 33° | 2.5" | 0.7" | 7 | 37° – 53° |
| March | 64° | 42° | 3.9" | 1.1" | 10 | 46° – 62° |
| April | 73° | 49° | 4.9" | 0.0" | 9 | 55° – 67° |
| May | 80° | 59° | 5.8" | 0.0" | 11 | 67° – 76° |
| June | 88° | 67° | 4.7" | 0.0" | 10 | 74° – 83° |
| July | 93° | 71° | 3.7" | 0.0" | 7 | 77° – 89° |
| August | 93° | 70° | 3.2" | 0.0" | 6 | 74° – 87° |
| September | 85° | 62° | 4.7" | 0.0" | 7 | 69° – 81° |
| October | 75° | 50° | 4.2" | 0.0" | 9 | 56° – 69° |
| November | 63° | 41° | 3.8" | 0.7" | 9 | 45° – 58° |
| December | 53° | 32° | 3.2" | 0.3" | 8 | 32° – 49° |
| Year | 73° | 50° | 47.1" | 4.6" | 101 |
How much a month can swing
A normal is an average. December swings the most: from 1991 to 2020 its average ranged from 32° to 49°. May is the most reliable, staying within 9°.
Where Porum’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 Porum’s center.
- Snow: Webbers Falls 5 Wsw, OK.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Webbers Falls 5 Wsw, OK, 9 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 Porum’s climate
What is the weather like in Porum?
A typical July afternoon reaches 93°, a January night drops to 29°, and about 5 inches of snow falls in a normal winter. Milder January nights than 71% of U.S. towns; hotter July afternoons than 91% of U.S. towns.
How cold does it get in Porum in winter?
January nights average 29°. About 83 nights a year reach 32° or below. In the coldest January of the last 30 years the month averaged 36°.
How much snow does Porum get?
About 4.6 inches in a normal winter at Webbers Falls 5 Wsw, OK, most of it in January.
How hot does it get in Porum?
July, with a typical high of 93° and a low of 71°. About 75 days a year reach 90° and 21 reach 100° (Webbers Falls 5 Wsw, OK).
When is the first and last frost in Porum?
In half of years the last spring frost (32°) comes by April 6 and the first fall frost by October 30, about 206 frost-free days, at Webbers Falls 5 Wsw, OK.
What growing zone is Porum in?
Zone 7b on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about 9°.
What is the best time of year to visit Porum?
By one simple rule (highs of 62–84° and lows of 40° or more), March, April, May, October and November. The rule is ours, not NOAA’s; the month table has the numbers to judge by.
Is Porum getting warmer?
Yes: 1991–2020 averaged 0.4° warmer than 1901–2000 on NOAA’s grid. A smaller shift than all but 117 U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Porum.
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.