Photo: Bchumney · CC BY-SA 3.0In Lunenburg, July heat, January chill and rainfall all sit near the middle of U.S. towns
On a normal January night the air cools to about 28°. Winters are mild: January nights here are milder than in 69% of U.S. towns. The latest 30-year average runs 1.2° warmer than 1901–2000’s, with December up the most. Garden planting can start around April 8; autumn frost returns near November 1.
A year in Lunenburg at a glance
Each month’s typical high and low, and what it brings.
What stands out about Lunenburg’s climate
Compared with towns across the U.S., with Lunenburg’s place in Virginia beside it.
What a year in Lunenburg 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 8 and the first by November 1. Frost and day counts come from NOAA’s station at Keysville 2 S, VA, 12 miles from the town’s center, 120 ft higher.
The 2023 USDA map puts Lunenburg’s center in zone 7b: the coldest night of a typical winter, averaged over 1991–2020, reaches about 8°. 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 Keysville 2 S, VA, falls mostly in January. Precipitation (rain plus melted snow) adds up to 46 inches a year; July is the wettest month and February the driest. Rain or snow falls on about 100 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
Heating and cooling a home in Lunenburg
75% 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 Keysville 2 S, VA.
Living with Lunenburg’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 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, June, September and October. 3.4 miles of trails are waiting.
Parks & trails →Of the yearly building losses FEMA expects in Lunenburg from natural hazards, river flooding is the largest share (36%); heat waves, cold waves, winter storms and ice storms together are 7%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Lunenburg and similar climates
TownRatings has no climate map of the towns around Lunenburg yet.
Climates most like Lunenburg’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 |
|---|---|---|---|---|
| Lunenburg, VA | 28° | 88° | 46" | 4.5" |
| Kingsport, TN | 28° | 87° | 45" | 5.1" |
| Statesville, NC | 28° | 88° | 46" | 4.9" |
| Chevy Chase, MD | 26° | 87° | 45" | 5.8" |
| Washington, DC | 27° | 89° | 44" | 5.8" |
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 Lunenburg averaged 1.2° warmer than the 1900s. The biggest change is in December (+2.5°).
A smaller shift than in 65% 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 Lunenburg compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Lunenburg’s place among Virginia’s.
Lunenburg weather by month
Highs, lows and precipitation from NOAA’s grid at Lunenburg’s center; snow, wet days and snow on the ground from Keysville 2 S, VA. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 48° | 28° | 3.6" | 2.2" | 8 | 1 | 31° – 44° |
| February | 51° | 30° | 2.9" | 0.6" | 7 | 0 | 32° – 48° |
| March | 59° | 36° | 4.1" | 0.2" | 9 | 0 | 42° – 57° |
| April | 69° | 45° | 3.6" | 0.0" | 9 | 0 | 52° – 62° |
| May | 76° | 54° | 4.3" | 0.0" | 10 | 0 | 60° – 71° |
| June | 84° | 63° | 4.2" | 0.0" | 9 | 0 | 69° – 78° |
| July | 88° | 67° | 4.5" | 0.0" | 9 | 0 | 73° – 80° |
| August | 86° | 66° | 3.9" | 0.0" | 8 | 0 | 72° – 79° |
| September | 80° | 59° | 4.4" | 0.0" | 8 | 0 | 66° – 75° |
| October | 70° | 46° | 3.6" | 0.0" | 7 | 0 | 54° – 64° |
| November | 60° | 37° | 3.3" | 0.0" | 8 | 0 | 43° – 53° |
| December | 51° | 31° | 3.6" | 1.5" | 8 | 1 | 32° – 51° |
| Year | 68° | 47° | 46.1" | 4.5" | 100 | 3 |
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 51°. August is the most reliable, staying within 8°.
Where Lunenburg’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 Lunenburg’s center.
- Snow: Keysville 2 S, VA.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Keysville 2 S, VA, 12 miles from the town’s center, 120 ft higher; 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 Lunenburg’s climate
What is the weather like in Lunenburg?
A typical July afternoon reaches 88°, a January night drops to 28°, and about 5 inches of snow falls in a normal winter. Milder January nights than 69% of U.S. towns; hotter July afternoons than 65% of U.S. towns.
How cold does it get in Lunenburg in winter?
January nights average 28°. About 83 nights a year reach 32° or below. In the coldest January of the last 30 years the month averaged 31°.
How much snow does Lunenburg get?
About 4.5 inches in a normal winter at Keysville 2 S, VA, most of it in January, with snow on the ground about 3 days a year.
How hot does it get in Lunenburg?
July, with a typical high of 88° and a low of 67°. About 41 days a year reach 90° (Keysville 2 S, VA).
When is the first and last frost in Lunenburg?
In half of years the last spring frost (32°) comes by April 8 and the first fall frost by November 1, about 206 frost-free days, at Keysville 2 S, VA.
What growing zone is Lunenburg in?
Zone 7b on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about 8°.
What is the best time of year to visit Lunenburg?
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 Lunenburg getting warmer?
Yes: 1991–2020 averaged 1.2° warmer than 1901–2000 on NOAA’s grid. A smaller shift than 65% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Lunenburg.
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.