Richwood’s winters are milder and less snowy than most of the U.S.
A typical July afternoon reaches 91°, a January night drops to 46°, and snow is almost unheard of.
A year in Richwood at a glance
Each month’s typical high and low, and what it brings.
What stands out about Richwood’s climate
Compared with towns across the U.S., with Richwood’s place in Texas beside it.
What a year in Richwood feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 301 frost-free days a year
In half of years the last 32° night comes by February 13 and the first by December 8. Frost and day counts come from NOAA’s station at Angleton Brazoria Airport, 5 miles from the town’s center, at about the same height.
The 2023 USDA map puts Richwood’s center in zone 9b: the coldest night of a typical winter, averaged over 1991–2020, reaches about 27°. 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 50 inches of rain a year
September is the wettest month and February the driest. Rain falls on about 94 days a year. Snow is rare: about 0.0" in a normal year at Freeport 2 Nw, TX, so most winters see none.
Rain + melted snow by month
Inches of water
Heating and cooling a home in Richwood
26% of the work is heating, so air conditioning is the bigger bill. Months averaging under 55° run from January.
Degree days add up how far each day’s average falls below (heating) or rises above (cooling) 65° over a year. NOAA normals at Angleton Brazoria Airport.
Living with Richwood’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
301 frost-free days in zone 9b. The last frost comes by Feb 13 in half of years, so many gardeners wait a week or two past that to set out tomatoes. The first fall frost comes by Dec 8.
Months with highs of 62–84° and lows of 40° or more: January, February, March, April, October, November and December.
Parks & trails →Of the yearly building losses FEMA expects in Richwood from natural hazards, river flooding is the largest share (51%); heat waves, cold waves, winter storms and ice storms together are 8%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Richwood and its neighbors
Every town next door is within a degree of Richwood in January and July, closer than the 5 km grid can tell apart. Tap a town to see its climate.
Climates most like Richwood’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 |
|---|---|---|---|---|
| Richwood, TX | 46° | 91° | 50" | 0.0" |
| Wildwood, FL | 46° | 92° | 50" | 0.0" |
| St. Marys, GA | 43° | 91° | 51" | 0.0" |
| Port Royal, SC | 41° | 91° | 49" | 0.0" |
| Headland, AL | 39° | 91° | 56" | 0.1" |
Temperatures and rain come from NOAA’s 5 km grid, so each town gets its own value. Snow and frost-free days come from the nearest weather station, so neighbors often share them.
Warmer than it used to be
The last 30 years in Richwood averaged 1.5° warmer than the 1900s. The biggest change is in February (+2.7°).
A bigger shift than in 57% 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 Richwood compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Richwood’s place among Texas’.
Richwood weather by month
Highs, lows and precipitation from NOAA’s grid at Richwood’s center; snow, wet days and snow on the ground from Freeport 2 Nw, TX. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 64° | 46° | 3.9" | 0.0" | 10 | 0 | 50° – 62° |
| February | 67° | 50° | 2.5" | 0.0" | 8 | 0 | 50° – 67° |
| March | 73° | 56° | 3.0" | 0.0" | 7 | 0 | 58° – 71° |
| April | 78° | 61° | 3.3" | 0.0" | 6 | 0 | 65° – 73° |
| May | 85° | 69° | 4.4" | 0.0" | 6 | 0 | 73° – 80° |
| June | 90° | 74° | 5.0" | 0.0" | 8 | 0 | 79° – 84° |
| July | 91° | 75° | 4.1" | 0.0" | 8 | 0 | 81° – 86° |
| August | 92° | 75° | 5.1" | 0.0" | 8 | 0 | 80° – 88° |
| September | 89° | 72° | 6.5" | 0.0" | 10 | 0 | 77° – 84° |
| October | 82° | 62° | 4.8" | 0.0" | 7 | 0 | 69° – 77° |
| November | 73° | 54° | 3.8" | 0.0" | 7 | 0 | 58° – 68° |
| December | 66° | 48° | 3.7" | 0.0" | 10 | 0 | 51° – 61° |
| Year | 79° | 62° | 50.1" | 0.0" | 94 | 0 |
How much a month can swing
A normal is an average. February swings the most: from 1991 to 2020 its average ranged from 50° to 67°. June is the most reliable, staying within 5°.
Where Richwood’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 Richwood’s center.
- Snow: Freeport 2 Nw, TX.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Angleton Brazoria Airport, 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 Richwood’s climate
What is the weather like in Richwood?
A typical July afternoon reaches 91°, a January night drops to 46°, and snow is almost unheard of. Milder January nights than 94% of U.S. towns; hotter July afternoons than 84% of U.S. towns.
How cold does it get in Richwood in winter?
January nights average 46°. About 10 nights a year reach 32° or below. In the coldest January of the last 30 years the month averaged 50°.
How much snow does Richwood get?
About 0.0 inches in a normal winter at Freeport 2 Nw, TX, so most winters see none.
How hot does it get in Richwood?
July, with a typical high of 91° and a low of 75°. About 94 days a year reach 90° and 2 reach 100° (Angleton Brazoria Airport).
When is the first and last frost in Richwood?
In half of years the last spring frost (32°) comes by February 13 and the first fall frost by December 8, about 301 frost-free days, at Angleton Brazoria Airport.
What growing zone is Richwood in?
Zone 9b on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about 27°.
What is the best time of year to visit Richwood?
By one simple rule (highs of 62–84° and lows of 40° or more), January, February, March, April, October, November and December. The rule is ours, not NOAA’s; the month table has the numbers to judge by.
Is Richwood getting warmer?
Yes: 1991–2020 averaged 1.5° warmer than 1901–2000 on NOAA’s grid. A bigger shift than 57% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Richwood.
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.