Climate · Dungannon

Dungannon, VA climate

Dungannon has chilly, snowy winters and warm summers, with plenty of rain. A typical July afternoon reaches 85°, a January night drops to 26°, and about 47 inches of snow falls in a normal winter.

NOAA 1991-2020 climate normals Updated once a decade
July high
85°
140th coolest of 700 Virginia towns
January low
26°
315th coldest of 700 Virginia towns
Rain + melted snow
48 in
71st wettest of 700 Virginia towns
Snow a winter
47 in
1st snowiest of 698 Virginia towns
A normal year

What a year in Dungannon feels like

Winter

48° / 28°
Typical high / low · 14 days with an inch or more of snow

Spring

68° / 42°
Typical high / low · Last frost around Apr 25

Summer

84° / 62°
Typical high / low · 1 days reach 90° in a normal year

Fall

69° / 44°
Typical high / low · First frost around Oct 18
Best months to be outsideAprMayJunSepOctHighs of 62–84° and lows of 40° or more
Month by month

Dungannon weather by month

Average highs, lows, rain and snow for every month, from NOAA’s 1991–2020 normals.

MonthHighLowRain + meltSnowWet daysSnow on ground30-yr range
January45°26°3.9" 12.8"157 27° – 43°
February50°28°4.0" 11.6"156 28° – 47°
March58°34°4.4" 8.6"153 39° – 57°
April69°42°4.3" 1.7"130 50° – 60°
May76°51°4.5" 0150 57° – 69°
June83°59°4.4" 0140 67° – 74°
July85°63°5.1" 0160 70° – 77°
August85°63°3.9" 0130 70° – 78°
September80°56°3.2" 0110 64° – 74°
October69°44°2.9" 0.9"110 53° – 62°
November58°34°3.2" 1.9"110 40° – 51°
December48°29°4.4" 9.6"155 28° – 50°
Year67°44°48.2"47.1"16220

“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 & snow

Rain and snow in Dungannon

Dungannon gets 48 inches of rain and melted snow a year. July is the wettest month and October the driest. Rain or snow falls on about 162 days a year. Snow covers the ground about 20 days of the year.

48 in
Rain + melted snow a year
More rain than 82% of U.S. towns
47 in
Snow in a normal winter
More snow than 79% of U.S. towns
20 days
With 1"+ of snow on the ground
Fewer than 58% of U.S. towns

Rain + melted snow by month

Inches of water
5.1"

Snowfall by month

Inches of snow
13"
Frost & the growing season

About 175 frost-free days a year

In half of years the last 32° night comes by April 25 and the first one by October 18. That leaves about 175 frost-free days for gardens, shorter than 54% of U.S. towns.

96
nights at or below 32° in a normal year
1
nights below 0° in a normal year
1
days that reach 90° in a normal year

Freezing nights by month

Average nights at or below 32°

90° days by month

Average days at 90° or more
Heating & cooling

Heating and cooling a home in Dungannon

Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Dungannon, 89% of that work is heating and 11% is cooling, so the furnace matters far more than the air conditioner.

89%heating
4,797 heating degree daysLess heating than 70% of U.S. towns
587 cooling degree daysLess cooling than 70% of U.S. towns

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.

Compared with other towns

How Dungannon compares

Summer heat85° July high
Hotter than 52% of U.S. towns140th coolest of 700 Virginia towns
Winter cold26° January low
Milder than 75% of U.S. towns315th coldest of 700 Virginia towns
Precipitation48" a year
Wetter than 82% of U.S. towns71st wettest of 700 Virginia towns
Snow47" a winter
Snowier than 79% of U.S. towns1st snowiest of 698 Virginia towns
Growing season175 frost-free days
Shorter than 54% of U.S. towns100th shortest of 700 Virginia towns

Compared with every U.S. town and city on TownTapestry, each counted once.

Then and now

Warmer than it used to be

+0.7°1991–2020 average vs. the 20th century (1901–2000)

The last 30 years in Dungannon averaged 0.7° warmer than the 1900s. The biggest change is in December (+1.8°). The shift is smaller than in 90% of U.S. towns.

❄️ Winter+1.2° now 38°, was 37°
🌷 Spring+0.9° now 55°, was 54°
☀️ Summer+0.3° now 73°, was 73°
🍂 Fall+0.5° now 57°, was 56°

Change by month1991–2020 average minus 1901–2000 average, at Dungannon’s spot on NOAA’s grid

Year to year

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 28° to 50°. June is the most reliable, staying within 7°.

Coldest to warmest month in 30 yearsNormal
Questions

Common questions about Dungannon’s climate

What is the coldest month in Dungannon?

January, with a typical high of 45° and a low of 26°.

What is the hottest month in Dungannon?

July, with a typical high of 85° and a low of 63°. About 1 days a year reach 90°.

How much snow does Dungannon get?

About 47 inches in a normal winter, most of it in January.

When is the first frost in Dungannon?

In half of years the first 32° night comes by October 18, and the last spring frost by April 25.

What is the rainiest month in Dungannon?

July, with 5.1 inches of rain and melted snow. The year totals 48 inches.

Temperatures and rainfall come from NOAA’s gridded climate normals for Dungannon itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Wise 1se, VA (11 mi) away. Normals are 30-year averages, not a forecast. Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000.

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