Photo: Crimsonedge34 · CC BY-SA 3.0Hollis reaches 100° on about 38 days a year, more than 98% of U.S. towns
January mornings start at about 27°. Expect the heaviest rain or snow in May and the lightest in January. By precipitation alone, it ranks drier than 87% of U.S. towns. Warm coats and heating bills mark the months from December to February, when means dip under 50°.
A year in Hollis at a glance
Each month’s typical high and low, and what it brings.
What stands out about Hollis’ climate
Compared with towns across the U.S., with Hollis’ place in Oklahoma beside it.
What a year in Hollis feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 208 frost-free days a year
In half of years the last 32° night comes by April 5 and the first by October 31. Frost and day counts come from NOAA’s station at Hollis 5e Mesonet, OK, 5 miles from the town’s center, at about the same height.
The 2023 USDA map puts Hollis’ center in zone 7b: the coldest night of a typical winter, averaged over 1991–2020, reaches about 7°. 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 3 inches of snow a winter
Snow, measured at Hollis 5e, OK, falls mostly in January. Precipitation (rain plus melted snow) adds up to 25 inches a year; 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
Heating and cooling a home in Hollis
61% 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 Hollis 5e Mesonet, OK.
Living with Hollis’ climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
208 frost-free days in zone 7b. The last frost comes by Apr 5 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 31.
Months with highs of 62–84° and lows of 40° or more: April and October. 0.1 miles of trails are waiting.
Parks & trails →Of the yearly building losses FEMA expects in Hollis from natural hazards, drought is the largest share (40%); heat waves, cold waves, winter storms and ice storms together are 10%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Hollis and similar climates
TownRatings has no climate map of the towns around Hollis yet.
Climates most like Hollis’, 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 |
|---|---|---|---|---|
| Hollis, OK | 27° | 97° | 25" | 3.3" |
| Sweetwater, TX | 31° | 96° | 23" | 2.3" |
| Sedona, AZ | 30° | 97° | 17" | 1.0" |
| Oakhurst, CA | 34° | 95° | 29" | 2.5" |
| Carlsbad, NM | 29° | 97° | 13" | 2.7" |
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 Hollis averaged 1.1° warmer than the 1900s. The biggest change is in January (+2.5°).
A smaller shift than in 69% 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 Hollis compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Hollis’ place among Oklahoma’s.
Hollis weather by month
Highs, lows and precipitation from NOAA’s grid at Hollis’ center; snow, wet days and snow on the ground from Hollis 5e, OK. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | 30-yr range |
|---|---|---|---|---|---|---|
| January | 54° | 27° | 0.8" | 1.3" | 4 | 35° – 48° |
| February | 58° | 31° | 1.0" | 0.5" | 5 | 38° – 51° |
| March | 67° | 39° | 1.5" | 0.5" | 6 | 48° – 60° |
| April | 76° | 47° | 2.4" | 0.0" | 5 | 55° – 68° |
| May | 84° | 58° | 3.9" | 0.0" | 8 | 67° – 78° |
| June | 93° | 67° | 3.4" | 0.0" | 8 | 75° – 88° |
| July | 97° | 71° | 2.3" | 0.0" | 6 | 80° – 91° |
| August | 96° | 70° | 2.8" | 0.0" | 7 | 78° – 91° |
| September | 88° | 62° | 2.7" | 0.0" | 6 | 70° – 82° |
| October | 77° | 49° | 2.2" | 0.0" | 6 | 56° – 68° |
| November | 64° | 37° | 1.4" | 0.5" | 5 | 45° – 57° |
| December | 54° | 29° | 1.0" | 0.5" | 4 | 34° – 45° |
| Year | 76° | 49° | 25.3" | 3.3" | 68 |
How much a month can swing
A normal is an average. January swings the most: from 1991 to 2020 its average ranged from 35° to 48°. December is the most reliable, staying within 11°.
Where Hollis’ 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 Hollis’ center.
- Snow: Hollis 5e, OK.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Hollis 5e Mesonet, OK, 5 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 Hollis’ climate
What is the weather like in Hollis?
A typical July afternoon reaches 97°, a January night drops to 27°, and about 3 inches of snow falls in a normal winter. Milder January nights than 68% of U.S. towns; hotter July afternoons than 98% of U.S. towns.
How cold does it get in Hollis in winter?
January nights average 27°. About 89 nights a year reach 32° or below. In the coldest January of the last 30 years the month averaged 35°.
How much snow does Hollis get?
About 3.3 inches in a normal winter at Hollis 5e, OK, most of it in January.
How hot does it get in Hollis?
July, with a typical high of 97° and a low of 71°. About 111 days a year reach 90° and 38 reach 100° (Hollis 5e Mesonet, OK).
When is the first and last frost in Hollis?
In half of years the last spring frost (32°) comes by April 5 and the first fall frost by October 31, about 208 frost-free days, at Hollis 5e Mesonet, OK.
What growing zone is Hollis in?
Zone 7b on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about 7°.
What is the best time of year to visit Hollis?
By one simple rule (highs of 62–84° and lows of 40° or more), April and October. The rule is ours, not NOAA’s; the month table has the numbers to judge by.
Is Hollis getting warmer?
Yes: 1991–2020 averaged 1.1° warmer than 1901–2000 on NOAA’s grid. A smaller shift than 69% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Hollis.
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.