Putnam reaches 100° on about 17 days a year, more than 94% of U.S. towns
January mornings start at about 25°. Its yearly precipitation falls short of 86% of U.S. towns. The latest 30-year average runs 1.0° warmer than 1901–2000’s, with January up the most. Tender plants can go out after about April 8; in half of years the first frost comes by November 1.
A year in Putnam at a glance
Each month’s typical high and low, and what it brings.
What stands out about Putnam’s climate
Compared with towns across the U.S., with Putnam’s place in Oklahoma beside it.
What a year in Putnam feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 204 frost-free days a year
In half of years the last 32° night comes by April 8 and the first by November 1. Frost and day counts come from NOAA’s station at Putnam 3n Mesonet, OK, 3.0 miles from the town’s center, at about the same height.
The 2023 USDA map puts Putnam’s center in zone 7a: the coldest night of a typical winter, averaged over 1991–2020, reaches about 4°. 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 12 inches of snow a winter
Snow, measured at Taloga, OK, falls mostly in January and December. Precipitation (rain plus melted snow) adds up to 29 inches a year; May is the wettest month and January the driest. Rain or snow falls on about 59 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
Heating and cooling a home in Putnam
67% 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 Putnam 3n Mesonet, OK.
Living with Putnam’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
204 frost-free days in zone 7a. The last frost comes by Apr 8 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.
Months with highs of 62–84° and lows of 40° or more: April, May and October.
Parks & trails →Of the yearly building losses FEMA expects in Putnam from natural hazards, drought is the largest share (28%); heat waves, cold waves, winter storms and ice storms together are 36%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Putnam and similar climates
TownRatings has no climate map of the towns around Putnam yet.
Climates most like Putnam’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 |
|---|---|---|---|---|
| Putnam, OK | 25° | 94° | 29" | 12" |
| Salina, KS | 20° | 93° | 31" | 18" |
| Plainview, TX | 26° | 92° | 19" | 8.2" |
| Payson, AZ | 30° | 92° | 20" | 19" |
| Yreka, CA | 29° | 91° | 20" | 12" |
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 Putnam averaged 1.0° warmer than the 1900s. The biggest change is in January (+2.5°).
A smaller shift than in 80% 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 Putnam compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Putnam’s place among Oklahoma’s.
Putnam weather by month
Highs, lows and precipitation from NOAA’s grid at Putnam’s center; snow, wet days and snow on the ground from Taloga, OK. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 49° | 25° | 1.0" | 3.2" | 3 | 2 | 32° – 45° |
| February | 53° | 28° | 1.1" | 2.7" | 3 | 2 | 33° – 48° |
| March | 62° | 37° | 2.0" | 2.1" | 5 | 1 | 43° – 58° |
| April | 71° | 45° | 2.8" | 0.0" | 6 | 0 | 51° – 65° |
| May | 80° | 55° | 4.0" | 0.0" | 7 | 0 | 63° – 76° |
| June | 89° | 65° | 3.9" | 0.0" | 7 | 0 | 72° – 84° |
| July | 94° | 70° | 2.7" | 0.0" | 5 | 0 | 77° – 89° |
| August | 93° | 68° | 3.2" | 0.0" | 6 | 0 | 74° – 87° |
| September | 85° | 60° | 2.6" | 0.0" | 5 | 0 | 68° – 79° |
| October | 73° | 48° | 2.8" | 0.1" | 4 | 0 | 53° – 65° |
| November | 60° | 36° | 1.4" | 0.8" | 3 | 0 | 41° – 54° |
| December | 50° | 27° | 1.4" | 3.4" | 4 | 3 | 30° – 42° |
| Year | 71° | 47° | 28.9" | 12.3" | 59 | 8 |
How much a month can swing
A normal is an average. February swings the most: from 1991 to 2020 its average ranged from 33° to 48°. September is the most reliable, staying within 11°.
Where Putnam’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 Putnam’s center.
- Snow: Taloga, OK.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Putnam 3n Mesonet, OK, 3.0 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 Putnam’s climate
What is the weather like in Putnam?
A typical July afternoon reaches 94°, a January night drops to 25°, and about 12 inches of snow falls in a normal winter. Milder January nights than 64% of U.S. towns; hotter July afternoons than 93% of U.S. towns.
How cold does it get in Putnam in winter?
January nights average 25°. About 89 nights a year reach 32° or below. In the coldest January of the last 30 years the month averaged 32°.
How much snow does Putnam get?
About 12 inches in a normal winter at Taloga, OK, most of it in January and December, with snow on the ground about 8 days a year.
How hot does it get in Putnam?
July, with a typical high of 94° and a low of 70°. About 81 days a year reach 90° and 17 reach 100° (Putnam 3n Mesonet, OK).
When is the first and last frost in Putnam?
In half of years the last spring frost (32°) comes by April 8 and the first fall frost by November 1, about 204 frost-free days, at Putnam 3n Mesonet, OK.
What growing zone is Putnam in?
Zone 7a on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about 4°.
What is the best time of year to visit Putnam?
By one simple rule (highs of 62–84° and lows of 40° or more), April, May and October. The rule is ours, not NOAA’s; the month table has the numbers to judge by.
Is Putnam getting warmer?
Yes: 1991–2020 averaged 1.0° warmer than 1901–2000 on NOAA’s grid. A smaller shift than 80% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Putnam.
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.