Photo: Ser Amantio di Nicolao · CC BY-SA 4.0Weather without surprises: Dillwyn keeps close to the norm for U.S. towns
Expect July afternoons of about 87°. By January nights alone, it runs milder than 67% of U.S. towns. December has warmed most since 1901–2000, part of a 1.2° rise. Seedlings are safe outdoors from about April 12, with the first autumn frost due around October 29.
A year in Dillwyn at a glance
Each month’s typical high and low, and what it brings.
What stands out about Dillwyn’s climate
Compared with towns across the U.S., with Dillwyn’s place in Virginia beside it.
What a year in Dillwyn feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 199 frost-free days a year
In half of years the last 32° night comes by April 12 and the first by October 29. Frost and day counts come from NOAA’s station at Farmville 2 N, VA, 15 miles from the town’s center, 170 ft lower.
The 2023 USDA map puts Dillwyn’s center in zone 7b: the coldest night of a typical winter, averaged over 1991–2020, reaches about 6°. 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 Buckingham, VA, is heaviest from January through February, about 4 inches a month. Precipitation (rain plus melted snow) adds up to 45 inches a year; September is the wettest month and February the driest. Rain or snow falls on about 117 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
Heating and cooling a home in Dillwyn
76% 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 Farmville 2 N, VA.
Living with Dillwyn’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
199 frost-free days in zone 7b. The last frost comes by Apr 12 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 29.
Months with highs of 62–84° and lows of 40° or more: April, May, June, September and October.
Parks & trails →Of the yearly building losses FEMA expects in Dillwyn from natural hazards, river flooding is the largest share (29%); heat waves, cold waves, winter storms and ice storms together are 3%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Dillwyn and similar climates
TownRatings has no climate map of the towns around Dillwyn yet.
Climates most like Dillwyn’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 |
|---|---|---|---|---|
| Dillwyn, VA | 27° | 87° | 45" | 12" |
| Milford, DE | 27° | 88° | 46" | 13" |
| St. Albans, WV | 25° | 87° | 45" | 11" |
| Stevensville, MD | 28° | 88° | 45" | 14" |
| Bridgeton, NJ | 25° | 87° | 46" | 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 Dillwyn averaged 1.2° warmer than the 1900s. The biggest change is in December (+2.3°).
A smaller shift than in 66% 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 Dillwyn compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Dillwyn’s place among Virginia’s.
Dillwyn weather by month
Highs, lows and precipitation from NOAA’s grid at Dillwyn’s center; snow, wet days and snow on the ground from Buckingham, VA. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 47° | 27° | 3.3" | 4.0" | 10 | 3 | 30° – 44° |
| February | 51° | 29° | 2.8" | 4.3" | 9 | 4 | 30° – 48° |
| March | 58° | 35° | 3.8" | 1.8" | 10 | 2 | 41° – 57° |
| April | 69° | 44° | 3.4" | 0.0" | 10 | 0 | 52° – 62° |
| May | 76° | 53° | 4.1" | 0.0" | 12 | 0 | 59° – 71° |
| June | 83° | 62° | 4.1" | 0.0" | 10 | 0 | 68° – 77° |
| July | 87° | 66° | 4.3" | 0.0" | 11 | 0 | 72° – 80° |
| August | 85° | 65° | 3.8" | 0.0" | 10 | 0 | 71° – 78° |
| September | 79° | 58° | 4.5" | 0.0" | 9 | 0 | 65° – 74° |
| October | 69° | 46° | 3.8" | 0.0" | 8 | 0 | 54° – 63° |
| November | 59° | 36° | 3.5" | 0.0" | 9 | 0 | 41° – 53° |
| December | 50° | 30° | 3.7" | 2.2" | 10 | 2 | 30° – 50° |
| Year | 68° | 46° | 45.1" | 12.3" | 117 | 11 |
How much a month can swing
A normal is an average. December swings the most: from 1991 to 2020 its average ranged from 30° to 50°. August is the most reliable, staying within 6°.
Where Dillwyn’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 Dillwyn’s center.
- Snow: Buckingham, VA.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Farmville 2 N, VA, 15 miles from the town’s center, 170 ft lower; 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 Dillwyn’s climate
What is the weather like in Dillwyn?
A typical July afternoon reaches 87°, a January night drops to 27°, and about 12 inches of snow falls in a normal winter. Milder January nights than 67% of U.S. towns; hotter July afternoons than 64% of U.S. towns.
How cold does it get in Dillwyn in winter?
January nights average 27°. About 105 nights a year reach 32° or below. In the coldest January of the last 30 years the month averaged 30°.
How much snow does Dillwyn get?
About 12 inches in a normal winter at Buckingham, VA, heaviest from January through February, about 4 inches a month, with snow on the ground about 11 days a year.
How hot does it get in Dillwyn?
July, with a typical high of 87° and a low of 66°. About 38 days a year reach 90° and 1 reach 100° (Farmville 2 N, VA).
When is the first and last frost in Dillwyn?
In half of years the last spring frost (32°) comes by April 12 and the first fall frost by October 29, about 199 frost-free days, at Farmville 2 N, VA.
What growing zone is Dillwyn in?
Zone 7b on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about 6°.
What is the best time of year to visit Dillwyn?
By one simple rule (highs of 62–84° and lows of 40° or more), April, May, June, September and October. The rule is ours, not NOAA’s; the month table has the numbers to judge by.
Is Dillwyn getting warmer?
Yes: 1991–2020 averaged 1.2° warmer than 1901–2000 on NOAA’s grid. A smaller shift than 66% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Dillwyn.
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.