Climate and monthly weather forecastErin, WV
Climate and monthly weather forecast
Weather in January
January, like December, in Erin, West Virginia, is a wintry winter month, with an average temperature fluctuating between 25°F (-3.9°C) and 39.2°F (4°C). January, with an average high of 39.2°F (4°C) and a low of 25°F (-3.9°C), signifies the coldest month of the year. Weather in January »Weather in February
February, the last month of the winter in Erin, is a chilly month, with an average temperature varying between 43.9°F (6.6°C) and 28.2°F (-2.1°C). Erin's shift into February sets the average high-temperature at a frosty 43.9°F (6.6°C), a figure that deviates only slightly from January's 39.2°F (4°C). Weather in February »Weather in March
The first month of the spring, March, is a cool month in Erin, West Virginia, with temperature in the range of an average low of 35.1°F (1.7°C) and an average high of 51.8°F (11°C). March witnesses a subtle temperature ascent, adjusting from a frosty 43.9°F (6.6°C) in February to a cool 51.8°F (11°C). Weather in March »Weather in April
April in Erin, West Virginia, is a comfortable spring month, with an average temperature fluctuating between 43.9°F (6.6°C) and 63.7°F (17.6°C). With the arrival of April, the average high-temperature transitions from a cool 51.8°F (11°C) in March to a refreshing 63.7°F (17.6°C). Weather in April »Weather in May
The last month of the spring, May, is an agreeable month in Erin, West Virginia, with an average temperature fluctuating between 52.2°F (11.2°C) and 72.9°F (22.7°C). Erin's May weather shows an increase in high-temperatures, moving from April's comfortable 63.7°F (17.6°C) to a pleasant 72.9°F (22.7°C). Weather in May »Weather in June
June, the first month of the summer in Erin, is a moderately hot month, with an average temperature fluctuating between 57°F (13.9°C) and 80.2°F (26.8°C). As May transitions into June, Erin notices a gentle rise in the average high-temperature, transitioning from a pleasant 72.9°F (22.7°C) to a warm 80.2°F (26.8°C). Weather in June »Weather in July
July, the same as June, is a moderately hot summer month in Erin, West Virginia, with temperature in the range of an average high of 83.5°F (28.6°C) and an average low of 60.3°F (15.7°C). July, with an average high of 83.5°F (28.6°C) and a low of 60.3°F (15.7°C), signifies the warmest month of the year. The heat index in July is appraised at a hot 91.4°F (33°C). Weather in July »Weather in August
August, the last month of the summer in Erin, is also a moderately hot month, with an average temperature ranging between max 82°F (27.8°C) and min 58.5°F (14.7°C). August experiences an average high-temperature of a still moderately hot 82°F (27.8°C), barely different from July's 83.5°F (28.6°C). Weather in August »Weather in September
September, the first month of the autumn in Erin, is also a moderately hot month, with an average temperature ranging between min 54.1°F (12.3°C) and max 76.3°F (24.6°C). September brings a minor shift in the average high-temperature, adjusting from a moderately hot 82°F (27.8°C) in August to a still warm 76.3°F (24.6°C). Weather in September »Weather in October
October, the same as September, is another refreshing autumn month in Erin, West Virginia, with an average temperature ranging between max 64.2°F (17.9°C) and min 45.1°F (7.3°C). As September transitions to October, the average high-temperature falls from a warm 76.3°F (24.6°C) to a comfortable 64.2°F (17.9°C). Weather in October »Weather in November
The last month of the autumn, November, is also a fresh month in Erin, West Virginia, with an average temperature varying between 34.9°F (1.6°C) and 52.5°F (11.4°C). November brings a decrease in the average high-temperature, shifting from a refreshing 64.2°F (17.9°C) in October to a cool 52.5°F (11.4°C). Weather in November »Weather in December
December, the first month of the winter in Erin, is also a frosty month, with temperature in the range of an average low of 31.1°F (-0.5°C) and an average high of 44.4°F (6.9°C). December indicates a minor shift in the average high-temperature, from November's fresh 52.5°F (11.4°C) to a chilly 44.4°F (6.9°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Erin, WV
The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is January (39.2°F).
The month with the highest average low temperature is July (60.3°F).
The coldest month (with the lowest average low temperature) is January (25°F).
Average pressure
Erin, 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:
30"Hg - Average pressure in May:
30.03"Hg - Average pressure in June:
29.99"Hg
- Average pressure in July:
30.02"Hg - Average pressure in August:
30.03"Hg - Average pressure in September:
30.06"Hg - Average pressure in October:
30.07"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 (29.99"Hg).
Average wind speed
Erin, WV
- Average wind speed in January:
7.3mph - Average wind speed in February:
7.1mph - Average wind speed in March:
6.8mph - Average wind speed in April:
7.1mph - Average wind speed in May:
5.9mph - Average wind speed in June:
5.2mph
- Average wind speed in July:
4.6mph - Average wind speed in August:
4.2mph - Average wind speed in September:
4.5mph - Average wind speed in October:
5.4mph - Average wind speed in November:
5.8mph - Average wind speed in December:
6.5mph
The windiest month (with the highest average wind speed) is January (7.3mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity
Erin, WV
The month with the highest relative humidity is February (82%).
The months with the lowest relative humidity are July, August and November (76%).
Average rainfall
Erin, WV
- Average rainfall in January:
2.17" - Average rainfall in February:
2.99" - Average rainfall in March:
2.36" - Average rainfall in April:
2.68" - Average rainfall in May:
3.19" - Average rainfall in June:
2.48"
The wettest month (with the highest rainfall) is May (3.19").
The driest month (with the least rainfall) is September (1.54").
Average rainfall days
Erin, WV
- Average rainfall days in January:
10.1 days - Average rainfall days in February:
10.6 days - Average rainfall days in March:
13.8 days - Average rainfall days in April:
16.3 days - Average rainfall days in May:
19.7 days - Average rainfall days in June:
17.6 days
- Average rainfall days in July:
19.1 days - Average rainfall days in August:
16.1 days - Average rainfall days in September:
15.2 days - Average rainfall days in October:
12.3 days - Average rainfall days in November:
10.1 days - Average rainfall days in December:
11.6 days
The month with the highest number of rainy days is May (19.7 days).
The months with the least rainy days are January and November (10.1 days).
Average snowfall
Erin, WV
- Average snowfall in January:
4.25" - Average snowfall in February:
4.33" - Average snowfall in March:
3.39" - Average snowfall in April:
1.06" - Average snowfall in May:
0.39" - Average snowfall in June:
0"
The month with the highest snowfall is December (4.41").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Erin, WV
- Average snowfall days in January:
10.5 days - Average snowfall days in February:
8.8 days - Average snowfall days in March:
5.5 days - Average snowfall days in April:
1.6 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:
3.2 days - Average snowfall days in December:
7.8 days
The month with the highest number of snowfall days is January (10.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Erin, 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 12min - Average daylight in June:
14h and 42min
- Average daylight in July:
14h and 24min - 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 12min - Average daylight in December:
9h and 36min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in January:
4h and 12min - Average sunshine in February:
5h and 6min - Average sunshine in March:
6h and 6min - Average sunshine in April:
8h and 24min - Average sunshine in May:
9h and 6min - Average sunshine in June:
10h and 0min
- Average sunshine in July:
10h and 0min - Average sunshine in August:
10h and 6min - 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 42min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days
Erin, WV
- Average sunshine days in January:
12.4 days - Average sunshine days in February:
10.8 days - Average sunshine days in March:
12.8 days - Average sunshine days in April:
12 days - Average sunshine days in May:
9.2 days - Average sunshine days in June:
10.8 days
- Average sunshine days in July:
9.6 days - Average sunshine days in August:
12.2 days - Average sunshine days in September:
11.8 days - Average sunshine days in October:
16.5 days - Average sunshine days in November:
17.9 days - Average sunshine days in December:
13.8 days
The month with the most sunshine days is November (17.9 days).
The month with the least sunshine days is May (9.2 days).
Average UV index
Erin, WV
The months with the highest UV index are June and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover
Erin, WV
The month with the most cloud cover is January (Cloud cover 60).
The months with the least cloud cover are June and August (Cloud cover 36).
Average visibility
Erin, 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).





