Millboro, VA climate
Millboro has chilly winters and warm summers. A typical July afternoon reaches 85°, a January night drops to 24°, and about 19 inches of snow falls in a normal winter.
NOAA 1991-2020 climate normals Updated once a decade13° warmer than normal today. The forecast high is 85°, and a typical Oct 1 in Millboro peaks around 72°.Live forecast: National Weather Service · Normal: NOAA 1991–2020
What a year in Millboro feels like
Winter
Spring
Summer
Fall
Millboro weather by month
Average highs, lows, rain and snow for every month, from NOAA’s 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | 30-yr range |
|---|---|---|---|---|---|---|
| January | 43° | 24° | 3.3" | 4.8" | 8 | 26° – 40° |
| February | 47° | 27° | 2.7" | 6.7" | 7 | 27° – 44° |
| March | 55° | 33° | 3.7" | 4.0" | 10 | 38° – 53° |
| April | 67° | 41° | 3.9" | 0 | 9 | 49° – 59° |
| May | 75° | 50° | 4.4" | 0 | 11 | 57° – 68° |
| June | 81° | 58° | 4.5" | 0 | 10 | 66° – 74° |
| July | 85° | 62° | 4.0" | 0 | 9 | 69° – 77° |
| August | 83° | 61° | 3.7" | 0 | 7 | 69° – 77° |
| September | 77° | 55° | 3.9" | 0 | 7 | 62° – 71° |
| October | 67° | 43° | 3.0" | 0 | 6 | 52° – 60° |
| November | 55° | 33° | 3.2" | 0.2" | 7 | 38° – 50° |
| December | 46° | 27° | 3.5" | 2.8" | 7 | 27° – 47° |
| Year | 65° | 43° | 43.6" | 18.5" | 99 |
“Wet days” have at least 0.01" of rain or melted snow. “Snow on ground” counts days with 1" or more. The 30-year range is the coldest and warmest that month’s average temperature got between 1991 and 2020.
Rain and snow in Millboro
Millboro gets 44 inches of rain and melted snow a year. June is the wettest month and February the driest. Rain or snow falls on about 99 days a year.
About 181 frost-free days a year
In half of years the last 32° night comes by April 23 and the first one by October 23. That leaves about 181 frost-free days for gardens, longer than 54% of U.S. towns.
Heating and cooling a home in Millboro
Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Millboro, 82% of that work is heating and 18% is cooling, so the furnace matters far more than the air conditioner.
Degree days measure how far each day’s average temperature falls below or rises above 65°, added up over a year. Source: NOAA station normals.
How Millboro compares
Compared with every U.S. town and city on TownTapestry, each counted once.
Warmer than it used to be
The last 30 years in Millboro averaged 1.1° warmer than the 1900s. The biggest change is in December (+2.0°). The shift is smaller than in 63% of U.S. towns.
Change by month1991–2020 average minus 1901–2000 average, at Millboro’s spot on NOAA’s grid
How much a month can swing
A normal is an average, and real years wander around it. December swings the most: between 1991 and 2020 its average temperature ranged from 27° to 47°. October is the most reliable, staying within 8°.
Common questions about Millboro’s climate
What is the coldest month in Millboro?
January, with a typical high of 43° and a low of 24°.
What is the hottest month in Millboro?
July, with a typical high of 85° and a low of 62°. About 31 days a year reach 90°.
How much snow does Millboro get?
About 19 inches in a normal winter, most of it in February.
When is the first frost in Millboro?
In half of years the first 32° night comes by October 23, and the last spring frost by April 23.
What is the rainiest month in Millboro?
June, with 4.5 inches of rain and melted snow. The year totals 44 inches.
Temperatures and rainfall come from NOAA’s gridded climate normals for Millboro itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Goshen, VA (6 mi, snow) and Lexington, VA (17 mi, frost, heat and degree days). Normals are 30-year averages, not a forecast. Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000.