Climate and monthly weather forecastSwann, WV
Climate and monthly weather forecast
Weather in January
January, like December, in Swann, West Virginia, is an icy winter month, with an average temperature varying between 38.8°F (3.8°C) and 25.3°F (-3.7°C). January, with its average high-temperature of 38.8°F (3.8°C) and an average low-temperature of 25.3°F (-3.7°C), holds the record as the coldest month. Weather in January »Weather in February
The last month of the winter, February, is a frosty month in Swann, West Virginia, with an average temperature varying between 43.5°F (6.4°C) and 29.1°F (-1.6°C). The onset of February brings with it an average high-temperature of a frosty 43.5°F (6.4°C), showing a negligible variation from the month before. Weather in February »Weather in March
The first month of the spring, March, is a fresh month in Swann, West Virginia, with an average temperature fluctuating between 36.1°F (2.3°C) and 53.2°F (11.8°C). March's arrival coincides with a temperature rise, moving from February's chilly 43.5°F (6.4°C) to a fresh 53.2°F (11.8°C). Weather in March »Weather in April
April in Swann, West Virginia, is an enjoyable spring month, with an average temperature fluctuating between 45.5°F (7.5°C) and 65.8°F (18.8°C). An upsurge in temperatures occurs as March gives way to April, with average highs shifting from a cool 53.2°F (11.8°C) to a refreshing 65.8°F (18.8°C). Weather in April »Weather in May
May, the last month of the spring in Swann, is a warm month, with an average temperature ranging between max 76.3°F (24.6°C) and min 54.7°F (12.6°C). Swann sees a rise in temperature during May, with average high-temperatures transitioning from a comfortable 65.8°F (18.8°C) in April to a warm 76.3°F (24.6°C). Weather in May »Weather in June
The first month of the summer, June, is still a warm month in Swann, West Virginia, with an average temperature ranging between max 83.1°F (28.4°C) and min 60.6°F (15.9°C). June's arrival coincides with a subtle temperature rise, moving from May's warm 76.3°F (24.6°C) to a still moderately hot 83.1°F (28.4°C). Weather in June »Weather in July
July in Swann, West Virginia, is a hot summer month, with an average temperature varying between 64°F (17.8°C) and 86.5°F (30.3°C). July is the warmest month, exhibiting average temperatures of 86.5°F (30.3°C) at the peak and 64°F (17.8°C) at the base. In July, the average heat index is computed to be a very hot 98.6°F (37°C). Weather in July »Weather in August
August, the last month of the summer in Swann, is another warm month, with an average temperature fluctuating between 62.2°F (16.8°C) and 85.5°F (29.7°C). August commences with an average high-temperature of a warm 85.5°F (29.7°C), showing little deviation from July's 86.5°F (30.3°C). Weather in August »Weather in September
September, the first month of the autumn in Swann, is also a moderately hot month, with an average temperature ranging between min 57.6°F (14.2°C) and max 78.6°F (25.9°C). The beginning of September brings a slight decrease in the average high-temperature, transitioning from 85.5°F (29.7°C) in August to a still moderately hot 78.6°F (25.9°C). Weather in September »Weather in October
October, the same as September, is another refreshing autumn month in Swann, West Virginia, with an average temperature fluctuating between 66.2°F (19°C) and 46.9°F (8.3°C). Observing a mild shift, the average high-temperature during October reduces from September's moderately hot 78.6°F (25.9°C) to a comfortable 66.2°F (19°C). Weather in October »Weather in November
The last month of the autumn, November, is another cool month in Swann, West Virginia, with an average temperature varying between 37.2°F (2.9°C) and 53.1°F (11.7°C). November brings a drop in Swann's average high-temperature, falling from an enjoyable 66.2°F (19°C) in October to a fresh 53.1°F (11.7°C). Weather in November »Weather in December
December, the first month of the winter in Swann, is also a frosty month, with temperature in the range of an average high of 44.2°F (6.8°C) and an average low of 32.5°F (0.3°C). The arrival of December suggests a slight decrease in the average high-temperature, moving from a cool 53.1°F (11.7°C) in November to a frosty 44.2°F (6.8°C). Weather in December »Updated: Aug 17, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Temperature records mark January as the coldest month, with highs averaging 38.8°F (3.8°C) and lows at 25.3°F (-3.7°C).
The months with the highest humidity are January, February and December, with an average relative humidity of 81%.
In Swann, during the entire year, the rain falls for 174.3 days and collects up to 34.45" (875mm) of precipitation.
January through April, October through December are months with snowfall.
January is the month with the most snowfall. Snow falls for 12.3 days and accumulates 4.25" (108mm) of snow.
Throughout the year, there are 40.5 snowfall days, and 16.89" (429mm) of snow is accumulated.
With an average of 3.6h of sunshine, January has the least sunshine of the year.
The months with the lowest UV index in Swann are January, February and December, with an average maximum UV index of 2.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from EDT to EST.
May is the month with the most rainfall. Rain falls for 20 days and accumulates 3.9" (99mm) of precipitation.
May through September are months without snowfall.
May through August, with an average maximum UV index of 6, are months with the highest UV index.
The month with the longest days is June, with an average of 14h and 48min of daylight.
With its average high temperature of 86.5°F (30.3°C) and a low of 64°F (17.8°C), July is regarded as the warmest month in Swann.
August is the least humid month, with an average relative humidity of 74%.
August has the most sunshine of the year, with an average of 10.2h of sunshine.
September is the month with the least rainfall. Rain falls for 12.8 days and accumulates 1.93" (49mm) of precipitation.
The month with the shortest days is December, with an average of 9h and 30min of daylight.
Average temperature
Swann, WV
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (38.8°F).
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (25.3°F).
Average pressure
Swann, 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:
29.97"Hg
- Average pressure in July:
30"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 (29.97"Hg).
Average wind speed
Swann, WV
- Average wind speed in January:
6.6mph - Average wind speed in February:
6.6mph - Average wind speed in March:
6.4mph - Average wind speed in April:
6.6mph - Average wind speed in May:
5.7mph - Average wind speed in June:
5mph
- Average wind speed in July:
4.5mph - Average wind speed in August:
4.2mph - Average wind speed in September:
4.5mph - Average wind speed in October:
5.2mph - Average wind speed in November:
5.5mph - Average wind speed in December:
6.2mph
The windiest months (with the highest average wind speed) are January, February and April (6.6mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity
Swann, WV
The months with the highest relative humidity are January, February and December (81%).
The month with the lowest relative humidity is August (74%).
Average rainfall
Swann, WV
- Average rainfall in January:
2.64" - Average rainfall in February:
3.43" - Average rainfall in March:
3.11" - Average rainfall in April:
3.19" - Average rainfall in May:
3.9" - Average rainfall in June:
3.31"
- Average rainfall in July:
2.91" - Average rainfall in August:
2.13" - Average rainfall in September:
1.93" - Average rainfall in October:
2.56" - Average rainfall in November:
2.13" - Average rainfall in December:
3.23"
The wettest month (with the highest rainfall) is May (3.9").
The driest month (with the least rainfall) is September (1.93").
Average rainfall days
Swann, WV
- Average rainfall days in January:
11.8 days - Average rainfall days in February:
11.8 days - Average rainfall days in March:
15.5 days - Average rainfall days in April:
17.1 days - Average rainfall days in May:
20 days - Average rainfall days in June:
17.1 days
- Average rainfall days in July:
16.9 days - Average rainfall days in August:
14.8 days - Average rainfall days in September:
12.8 days - Average rainfall days in October:
13.1 days - Average rainfall days in November:
10.7 days - Average rainfall days in December:
12.7 days
The month with the highest number of rainy days is May (20 days).
The month with the least rainy days is November (10.7 days).
Average snowfall
Swann, WV
The month with the highest snowfall is January (4.25").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Swann, WV
- Average snowfall days in January:
12.3 days - Average snowfall days in February:
10.3 days - Average snowfall days in March:
5.9 days - Average snowfall days in April:
1.1 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:
0.5 days - Average snowfall days in November:
2.4 days - Average snowfall days in December:
8 days
The month with the highest number of snowfall days is January (12.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Swann, WV
- Average daylight in January:
9h and 48min - 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 36min - Average sunshine in February:
4h and 24min - Average sunshine in March:
5h and 48min - Average sunshine in April:
7h and 54min - Average sunshine in May:
8h and 54min - Average sunshine in June:
9h and 48min
- Average sunshine in July:
9h and 42min - Average sunshine in August:
10h and 12min - Average sunshine in September:
8h and 6min - Average sunshine in October:
6h and 0min - Average sunshine in November:
5h and 30min - Average sunshine in December:
4h and 6min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days
Swann, WV
- Average sunshine days in January:
10.7 days - Average sunshine days in February:
9.2 days - Average sunshine days in March:
10.8 days - Average sunshine days in April:
11.3 days - Average sunshine days in May:
9 days - Average sunshine days in June:
11 days
- Average sunshine days in July:
12.2 days - Average sunshine days in August:
13.8 days - Average sunshine days in September:
14.7 days - Average sunshine days in October:
16.5 days - Average sunshine days in November:
17.1 days - Average sunshine days in December:
12.4 days
The month with the most sunshine days is November (17.1 days).
The month with the least sunshine days is May (9 days).
Average UV index
Swann, 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
Swann, WV
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility
Swann, 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).
