Climate and monthly weather forecastDunbar, WV
Climate and monthly weather forecast
The climate of Dunbar
Located in the diverse land of West Virginia, Dunbar experiences a Humid subtropical climate. This climatic condition, denoted by the Köppen Climate classification as Cfa, is characterized by a consistent humidity and temperature variation throughout the year. In Dunbar, temperatures range from 25.9°F (-3.4°C) in the winter to a peak of 86.4°F (30.2°C) in the summer.Rainfall is well distributed throughout the year, ranging from a minimum of 0.83" (21mm) in September to a maximum of 1.93" (49mm) in May. This consistent precipitation contributes to the town's high levels of humidity, which annual average value fluctuates between 75% and 82%. Concurrently, the town experiences significant cloud cover, averaging 40% in the summer months, increasing to 62% in the winter.
An exclusive aspect of Dunbar's climate is the winter snowfall, with accumulated totals peaking in January and December at 2.05" (52mm) and 1.89" (48mm) respectively. Snowfall can be expected on any day of these two months, with a higher number of snowfall days registered in January at 11.2 days.
The best time to visit Dunbar
Tourists seeking to experience the best of Dunbar’s weather should plan their visit between May and September. During this period, temperatures hover between a comfortable 75.6°F (24.2°C) to 84.9°F (29.4°C), complimented by longer hours of sunshine, reaching a high of 10.3 sunshine hours in August. Additionally, visitors during these months will enjoy extended daylight hours, peaking at 14.8 hours in June. However, this period also records the highest rainfall volumes with an average 1.77" (45mm) to 1.93" (49mm) of rainfall monthly.The worst time to visit Dunbar
Visitors who prefer mild weather should avoid Dunbar in the winter months, from November to February. The temperatures during this period dip to a low of 25.9°F (-3.4°C) in January, and the town also experiences its highest snowfall during this season, reaching an average of 2.05" (52mm) in January. Visibility during these months reduces to only 5 miles, due in part to increased cloud cover averaging 60% in January and February.Spring weather in Dunbar
Spring in Dunbar presents a transition from the chill of winter to the warmth of summer. March experiences average high temperatures of 53.1°F (11.7°C), which steadily increase to 65.3°F (18.5°C) in April. Daylight hours in spring range from 12 hours in March to 13.2 hours in April, complimenting an average of 6 to 8.1 sunshine hours respectively. Rainfall also increases in spring, with April receiving 1.46" (37mm) over 15.4 days.Summer weather in Dunbar
Summer in Dunbar starts in May and extends to August. The weather during these months is characterized by relatively high temperatures, averaging from 75.6°F (24.2°C) in May to 86.4°F (30.2°C) in July. These months also see the highest rainfall, ranging from 1.54" (39mm) to 1.93" (49mm) per month. Despite the high rainfall, Dunbar's relative humidity stays relatively constant, remaining around 76%.Autumn weather in Dunbar
Autumn unfolds in Dunbar from September to November, with temperatures gradually cooling from summer highs. September experiences an average high temperature of 78.3°F (25.7°C), which drops to a cooler 53.1°F (11.7°C) by November. Rainfall decreases during autumn, dropping to a yearly low of 0.83" (21mm) in September, while average daylight hours shrink, from 12.4 in September to 10.1 hours by November.Winter weather in Dunbar
Winter in Dunbar starts in December and extends through February, with the coldest temperatures recorded in January at an average low of 25.9°F (-3.4°C). Snowfall is prevalent during winter, peaking at 2.05" (52mm) in January over 11.2 days. Despite the snow, sunshine hours remain relatively stable at around 4 hours daily, while daylight hours reduce to a minimum of 9.5 hours in December.Weather in January
January is the coldest month in Dunbar, West Virginia, and can bring chilly temperatures. The locality witnesses a noteworthy contrast concerning high and low temperatures. Frequent showers and snow mark the month, turning the city into a frosty wonderland, often limiting outdoor activities. Weather in January »Weather in February
February brings slightly warmer weather to Dunbar, but still, low temperatures persist, stranding the city under the thumb of winter. This month sees a minor increase in the average high temperature, from 38.8°F (3.8°C) in January to 43.5°F (6.4°C). Weather in February »Weather in March
In Dunbar, March brings the lovely transition from winter to spring, compelling nature to change its color palette. Temperatures begin to climb with an average high of 53.1°F (11.7°C), laying the snow blankets to rest. Amid the transformation, one finds the daylight hours stretching, reflecting the equity of night and day during the Spring Equinox. Weather in March »Weather in April
By April, spring steps in Dunbar with temperatures noticeably climbing, melting the last traces of winter. The average high temperature spikes up to 65.3°F (18.5°C) from the previous average high of 53.1°F (11.7°C) in March. The city bathes in the warmth of the sunshine for significantly more hours, a welcoming relief after the drawn-out winter. Weather in April »Weather in May
May's weather in Dunbar denote the onset of summer with temperatures significantly rising, and nature flaunting its beauty in full bloom. An upward jump in the average high temperature to 75.6°F (24.2°C) makes afternoons warm, often climaxing the appetite for a cool ice-cream or a refreshing drink. Weather in May »Weather in June
In Dunbar, June brings the year’s longest day, introducing the arrival of summer. Temperatures experience the switch from the comfortable to the warm zone, fluctuating between 75.6°F (24.2°C) and 82.9°F (28.3°C). Despite the soaring temperatures, a respite comes in the form of gentle breezes, creating a comfortable atmosphere in the evenings. Weather in June »Weather in July
July marks the crest of summer in Dunbar, featuring the city's highest temperatures. The average high for this month hits the annual peak at 86.4°F (30.2°C). Despite the scorching afternoons, residents find respite in early mornings and late evenings, thanks to the cooling breezes. Weather in July »Weather in August
August arrives in Dunbar, bringing along the final breath of the warm summer. A marginal dip in temperature to an average high of 84.9°F (29.4°C) signals the impending exit of summer. Even amidst the warmth, local parks echo with the cheers of spectators rallying for their favorite baseball teams. Weather in August »Weather in September
September in Dunbar marks the transition from warm summer to the cool fall. Notable moderation in temperature to an average high of 78.3°F (25.7°C) prepares the city for autumn, giving respite from the summer heat. Gradual shifts of green turning to hues of yellow, orange and red, color the city in vibrant autumn shades. Weather in September »Weather in October
October welcomes autumn in its full grandeur in Dunbar. A substantial dip in temperature to an average high of 66°F (18.9°C) makes the month noticeably cooler. Beautiful vistas of fall foliage enrich the cityscape, creating stunning hues that entice photographers and nature lovers alike. Weather in October »Weather in November
In November, Dunbar bids farewell to fall, embracing the chill of winter once again. Average high temperatures continue to drop, finding themselves at 53.1°F (11.7°C). Bare trees stand against the backdrop of grey skies, telling the tale of fallen leaves. Weather in November »Weather in December
December paints Dunbar in a winter wonderland, complete with festive lights and snow-laden trees. The city's temperature further recedes to an average high of 43.9°F (6.6°C), marking the second coldest month of the year. Theme parks transform into dazzling displays of festive cheer, showering visitors with the spirit of holiday season celebrations. Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Dunbar, WV
The warmest month (with the highest average high temperature) is July (86.4°F).
The month with the lowest average high temperature is January (38.8°F).
The month with the highest average low temperature is July (63.7°F).
The coldest month (with the lowest average low temperature) is January (25.9°F).
Average pressure
Dunbar, WV
- Average pressure in January:
30.15"Hg - Average pressure in February:
30.11"Hg - Average pressure in March:
30.1"Hg - Average pressure in April:
29.99"Hg - Average pressure in May:
30.01"Hg - Average pressure in June:
29.98"Hg
- Average pressure in July:
30.01"Hg - Average pressure in August:
30.01"Hg - Average pressure in September:
30.06"Hg - Average pressure in October:
30.06"Hg - Average pressure in November:
30.16"Hg - Average pressure in December:
30.14"Hg
The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed
Dunbar, WV
- Average wind speed in January:
6.5mph - Average wind speed in February:
6.6mph - Average wind speed in March:
6.3mph - Average wind speed in April:
6.5mph - Average wind speed in May:
5.5mph - Average wind speed in June:
5mph
- Average wind speed in July:
4.4mph - Average wind speed in August:
4.1mph - Average wind speed in September:
4.3mph - Average wind speed in October:
5.1mph - Average wind speed in November:
5.5mph - Average wind speed in December:
6.1mph
The windiest month (with the highest average wind speed) is February (6.6mph).
The calmest month (with the lowest average wind speed) is August (4.1mph).
Average humidity
Dunbar, WV
The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is August (75%).
Average rainfall
Dunbar, WV
- Average rainfall in January:
1.06" - Average rainfall in February:
1.61" - Average rainfall in March:
1.38" - Average rainfall in April:
1.46" - Average rainfall in May:
1.93" - Average rainfall in June:
1.77"
- Average rainfall in July:
1.54" - Average rainfall in August:
1.26" - Average rainfall in September:
0.83" - Average rainfall in October:
1.34" - Average rainfall in November:
0.91" - Average rainfall in December:
1.42"
The wettest month (with the highest rainfall) is May (1.93").
The driest month (with the least rainfall) is September (0.83").
Average rainfall days
Dunbar, WV
- Average rainfall days in January:
10.1 days - Average rainfall days in February:
10.2 days - Average rainfall days in March:
13.8 days - Average rainfall days in April:
15.4 days - Average rainfall days in May:
17.8 days - Average rainfall days in June:
15.7 days
- Average rainfall days in July:
15.6 days - Average rainfall days in August:
13.1 days - Average rainfall days in September:
10.8 days - Average rainfall days in October:
10.5 days - Average rainfall days in November:
8.9 days - Average rainfall days in December:
11 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is November (8.9 days).
Average snowfall
Dunbar, WV
The month with the highest snowfall is January (2.05").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Dunbar, WV
- Average snowfall days in January:
11.2 days - Average snowfall days in February:
9.2 days - Average snowfall days in March:
5.9 days - Average snowfall days in April:
0.7 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0.4 days - Average snowfall days in November:
2.2 days - Average snowfall days in December:
7.5 days
The month with the highest number of snowfall days is January (11.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Dunbar, WV
- Average daylight in January:
9h and 54min - Average daylight in February:
10h and 48min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 12min - Average daylight in May:
14h and 18min - Average daylight in June:
14h and 48min
- Average daylight in July:
14h and 30min - Average daylight in August:
13h and 36min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 12min - Average daylight in November:
10h and 6min - Average daylight in December:
9h and 30min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in January:
3h and 42min - Average sunshine in February:
4h and 30min - Average sunshine in March:
6h and 0min - Average sunshine in April:
8h and 6min - Average sunshine in May:
9h and 6min - Average sunshine in June:
9h and 54min
- Average sunshine in July:
9h and 54min - Average sunshine in August:
10h and 18min - Average sunshine in September:
8h and 24min - Average sunshine in October:
6h and 6min - Average sunshine in November:
5h and 36min - Average sunshine in December:
4h and 12min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days
Dunbar, WV
- Average sunshine days in January:
13.1 days - Average sunshine days in February:
11.3 days - Average sunshine days in March:
11.6 days - Average sunshine days in April:
11.9 days - Average sunshine days in May:
10.7 days - Average sunshine days in June:
12.2 days
- Average sunshine days in July:
12.3 days - Average sunshine days in August:
14.5 days - Average sunshine days in September:
16.5 days - Average sunshine days in October:
18.5 days - Average sunshine days in November:
19.1 days - Average sunshine days in December:
14.3 days
The month with the most sunshine days is November (19.1 days).
The month with the least sunshine days is May (10.7 days).
Average UV index
Dunbar, WV
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover
Dunbar, WV
The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility
Dunbar, WV
The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (5mi).





