Climate and monthly weather forecastJaco, WV
Climate and monthly weather forecast
Weather in January
January, like December, in Jaco, West Virginia, is an icy winter month, with an average temperature ranging between max 34.5°F (1.4°C) and min 21.6°F (-5.8°C). Jaco experiences its lowest average temperatures in January, reaching a peak of 34.5°F (1.4°C) and a minimum of 21.6°F (-5.8°C). Weather in January »Weather in February
The last month of the winter, February, is also an icy month in Jaco, West Virginia, with an average temperature varying between 24.8°F (-4°C) and 39.4°F (4.1°C). The initiation of February records an average high-temperature of a still icy 39.4°F (4.1°C), displaying a near consistency with the previous month. Weather in February »Weather in March
The first month of the spring, March, is a frosty month in Jaco, West Virginia, with an average temperature fluctuating between 32°F (0°C) and 48.6°F (9.2°C). As Jaco, West Virginia, transitions into March, the average high-temperature is observed to rise from a wintry 39.4°F (4.1°C) in February to a frosty 48.6°F (9.2°C). Weather in March »Weather in April
April is a moderate spring month in Jaco, West Virginia, with an average temperature ranging between max 60.4°F (15.8°C) and min 41.5°F (5.3°C). The average high-temperature increases in April, moving from a frosty 48.6°F (9.2°C) in March to a moderate 60.4°F (15.8°C). Weather in April »Weather in May
The last month of the spring, May, is an agreeable month in Jaco, West Virginia, with an average temperature varying between 71.6°F (22°C) and 50.9°F (10.5°C). The shift from April to May brings an increase in the average high-temperature, moving from a mild 60.4°F (15.8°C) to a pleasant 71.6°F (22°C). Weather in May »Weather in June
The first month of the summer, June, is a moderately hot month in Jaco, West Virginia, with temperature in the range of an average high of 78.3°F (25.7°C) and an average low of 57.2°F (14°C). Jaco's weather in June shows a minor rise in the average high-temperature, moving slightly up from May's agreeable 71.6°F (22°C) to a moderately hot 78.3°F (25.7°C). Weather in June »Weather in July
July, like June, in Jaco, West Virginia, is another warm summer month, with an average temperature fluctuating between 60.6°F (15.9°C) and 82.6°F (28.1°C). In Jaco, West Virginia, the peak average temperatures are observed in July, with a high of 82.6°F (28.1°C) and a low of 60.6°F (15.9°C). The heat index value during July is estimated at a tropical 89.6°F (32°C). Weather in July »Weather in August
The last month of the summer, August, is another warm month in Jaco, West Virginia, with an average temperature ranging between min 58.6°F (14.8°C) and max 81.5°F (27.5°C). August's arrival registers an average high-temperature of a still warm 81.5°F (27.5°C), closely aligning with the temperature of the previous month. Weather in August »Weather in September
September, the first month of the autumn in Jaco, is also a moderately hot month, with an average temperature varying between 54.5°F (12.5°C) and 75.7°F (24.3°C). September is characterized by a mild reduction in the average high-temperature, from 81.5°F (27.5°C) in August to a still warm 75.7°F (24.3°C). Weather in September »Weather in October
October, like September, in Jaco, West Virginia, is another comfortable autumn month, with an average temperature ranging between max 62.1°F (16.7°C) and min 44.8°F (7.1°C). October's arrival correlates with a reduction in the average high-temperature, down from a warm 75.7°F (24.3°C) in September to a refreshing 62.1°F (16.7°C). Weather in October »Weather in November
The last month of the autumn, November, is another cool month in Jaco, West Virginia, with an average temperature ranging between min 34°F (1.1°C) and max 50°F (10°C). Jaco observes a minor decrease in the average high-temperature with the arrival of November, falling from October's comfortable 62.1°F (16.7°C) to a fresh 50°F (10°C). Weather in November »Weather in December
December, the first month of the winter in Jaco, is also an icy month, with an average temperature varying between 29.3°F (-1.5°C) and 40.6°F (4.8°C). Jaco in December demonstrates a small temperature transition, adjusting from an average high of a fresh 50°F (10°C) in November to a cold 40.6°F (4.8°C). Weather in December »Updated: Feb 14, 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
With average high and low temperatures of 34.5°F (1.4°C) and 21.6°F (-5.8°C) respectively, January is Jaco's coldest month.
January and February, with an average relative humidity of 84%, are most humid months.
In Jaco, West Virginia, during the entire year, the rain falls for 187.8 days and collects up to 36.46" (926mm) of precipitation.
January through May, October through December are months with snowfall in Jaco.
Throughout the year, there are 63.1 snowfall days, and 32.32" (821mm) of snow is accumulated.
January has the least sunshine of the year in Jaco, with an average of 3h of sunshine.
The month with the most snowfall in Jaco is February, when snow falls for 14 days and typically aggregates up to 7.76" (197mm) of snow.
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 20.5 days and accumulates 4.02" (102mm) of precipitation.
The months with the highest UV index in Jaco are May through July, with an average maximum UV index of 6.
June through September are months without snowfall.
With an average of 14h and 54min of daylight, June has the longest days of the year in Jaco.
Jaco reaches its average highest temperatures in July, measuring 82.6°F (28.1°C) at the peak and 60.6°F (15.9°C) at the lowest.
July and August, with an average relative humidity of 77%, are the least humid months in Jaco, West Virginia.
August has the most sunshine of the year, with an average of 10h of sunshine.
The month with the least rainfall is September, when the rain falls for 15.2 days and typically collects 2.17" (55mm) of precipitation.
December has the shortest days of the year in Jaco, with an average of 9h and 24min of daylight.
December is the month with the lowest UV index, with an average maximum UV index of 1.
Average temperature
Jaco, WV
The warmest month (with the highest average high temperature) is July (82.6°F).
The month with the lowest average high temperature is January (34.5°F).
The month with the highest average low temperature is July (60.6°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).
Average pressure
Jaco, WV
- Average pressure in January:
30.12"Hg - Average pressure in February:
30.09"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
29.98"Hg - Average pressure in May:
30"Hg - Average pressure in June:
29.95"Hg
- Average pressure in July:
29.98"Hg - Average pressure in August:
30"Hg - Average pressure in September:
30.05"Hg - Average pressure in October:
30.04"Hg - Average pressure in November:
30.14"Hg - Average pressure in December:
30.12"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed
Jaco, WV
- Average wind speed in January:
7.4mph - Average wind speed in February:
7.3mph - Average wind speed in March:
6.8mph - Average wind speed in April:
6.8mph - Average wind speed in May:
5.8mph - Average wind speed in June:
5.3mph
- Average wind speed in July:
4.6mph - Average wind speed in August:
4.3mph - Average wind speed in September:
4.8mph - Average wind speed in October:
5.6mph - Average wind speed in November:
6mph - Average wind speed in December:
6.8mph
The windiest month (with the highest average wind speed) is January (7.4mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).
Average humidity
Jaco, WV
The months with the highest relative humidity are January and February (84%).
The months with the lowest relative humidity are July and August (77%).
Average rainfall
Jaco, WV
- Average rainfall in January:
2.99" - Average rainfall in February:
3.27" - Average rainfall in March:
3.19" - Average rainfall in April:
3.46" - Average rainfall in May:
4.02" - Average rainfall in June:
3.11"
- Average rainfall in July:
3.27" - Average rainfall in August:
2.56" - Average rainfall in September:
2.17" - Average rainfall in October:
2.99" - Average rainfall in November:
2.24" - Average rainfall in December:
3.19"
The wettest month (with the highest rainfall) is May (4.02").
The driest month (with the least rainfall) is September (2.17").
Average rainfall days
Jaco, WV
- Average rainfall days in January:
11.1 days - Average rainfall days in February:
11.5 days - Average rainfall days in March:
15.5 days - Average rainfall days in April:
18.7 days - Average rainfall days in May:
20.5 days - Average rainfall days in June:
17.7 days
- Average rainfall days in July:
19 days - Average rainfall days in August:
17.3 days - Average rainfall days in September:
15.2 days - Average rainfall days in October:
15.8 days - Average rainfall days in November:
12.5 days - Average rainfall days in December:
13 days
The month with the highest number of rainy days is May (20.5 days).
The month with the least rainy days is January (11.1 days).
Average snowfall
Jaco, WV
- Average snowfall in January:
7.4" - Average snowfall in February:
7.76" - Average snowfall in March:
5.43" - Average snowfall in April:
1.46" - Average snowfall in May:
0.31" - Average snowfall in June:
0"
The month with the highest snowfall is February (7.76").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Jaco, WV
- Average snowfall days in January:
17 days - Average snowfall days in February:
14 days - Average snowfall days in March:
9.1 days - Average snowfall days in April:
2.8 days - Average snowfall days in May:
0.3 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:
0.9 days - Average snowfall days in November:
5.9 days - Average snowfall days in December:
13.1 days
The month with the highest number of snowfall days is January (17 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Jaco, WV
- Average daylight in January:
9h and 42min - Average daylight in February:
10h and 42min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 18min - Average daylight in May:
14h and 24min - Average daylight in June:
14h and 54min
- Average daylight in July:
14h and 36min - Average daylight in August:
13h and 42min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 6min - Average daylight in November:
10h and 0min - Average daylight in December:
9h and 24min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in January:
3h - Average sunshine in February:
3h and 42min - Average sunshine in March:
5h and 36min - Average sunshine in April:
7h and 54min - Average sunshine in May:
8h and 48min - Average sunshine in June:
9h and 24min
- Average sunshine in July:
9h and 48min - Average sunshine in August:
10h - Average sunshine in September:
8h and 48min - Average sunshine in October:
5h and 24min - Average sunshine in November:
5h and 6min - Average sunshine in December:
3h and 48min
The month with the most sunshine is August (Average sunshine: 10h).
The month with the least sunshine is January (Average sunshine: 3h).
Average sunshine days
Jaco, WV
- Average sunshine days in January:
6.7 days - Average sunshine days in February:
7.1 days - Average sunshine days in March:
8.6 days - Average sunshine days in April:
9.5 days - Average sunshine days in May:
8.6 days - Average sunshine days in June:
10.2 days
- Average sunshine days in July:
9.8 days - Average sunshine days in August:
12 days - Average sunshine days in September:
12.6 days - Average sunshine days in October:
12.6 days - Average sunshine days in November:
13.5 days - Average sunshine days in December:
10 days
The month with the most sunshine days is November (13.5 days).
The month with the least sunshine days is January (6.7 days).
Average UV index
Jaco, WV
The months with the highest UV index are May, June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover
Jaco, WV
The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility
Jaco, WV
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January and February (4mi).
