Climate and monthly weather forecastNeptune, WV
Climate and monthly weather forecast
Weather in January
January, like December, in Neptune, West Virginia, is another cold winter month, with an average temperature varying between 37.6°F (3.1°C) and 24.3°F (-4.3°C). With an average high-temperature of 37.6°F (3.1°C) and an average low-temperature of 24.3°F (-4.3°C), January is the coldest month. Weather in January »Weather in February
The last month of the winter, February, is also an icy month in Neptune, West Virginia, with an average temperature fluctuating between 27.3°F (-2.6°C) and 42.3°F (5.7°C). The advent of February sees the average high-temperature at a still cold 42.3°F (5.7°C), subtly shifted from January's 37.6°F (3.1°C). Weather in February »Weather in March
The first month of the spring, March, is a cool month in Neptune, West Virginia, with temperature in the range of an average high of 52.3°F (11.3°C) and an average low of 35.2°F (1.8°C). With the onset of March, Neptune's average high-temperature experiences a rise, moving from February's icy 42.3°F (5.7°C) to a cool 52.3°F (11.3°C). Weather in March »Weather in April
April in Neptune, West Virginia, is a refreshing spring month, with an average temperature fluctuating between 64.2°F (17.9°C) and 44.6°F (7°C). An upsurge in temperatures occurs as March gives way to April, with average highs shifting from a cool 52.3°F (11.3°C) to an enjoyable 64.2°F (17.9°C). Weather in April »Weather in May
May, the last month of the spring in Neptune, is a moderately hot month, with an average temperature fluctuating between 54.3°F (12.4°C) and 75°F (23.9°C). May's arrival brings a change in high-temperatures, moving from a comfortable 64.2°F (17.9°C) in April to a moderately hot 75°F (23.9°C). Weather in May »Weather in June
June, the first month of the summer in Neptune, is still a warm month, with temperature in the range of an average high of 82.8°F (28.2°C) and an average low of 60.4°F (15.8°C). June's onset brings a minor rise in the average high-temperature, moving from 75°F (23.9°C) in May to a still warm 82.8°F (28.2°C). Weather in June »Weather in July
July is a hot summer month in Neptune, West Virginia, with an average temperature ranging between min 64°F (17.8°C) and max 86°F (30°C). In Neptune, July is the warmest month, with temperatures averaging a high of 86°F (30°C) and a low of 64°F (17.8°C). For most parts of July, the heat index is computed to be a torrid 98.6°F (37°C). Weather in July »Weather in August
The last month of the summer, August, is another warm month in Neptune, West Virginia, with temperature in the range of an average low of 62.4°F (16.9°C) and an average high of 84.9°F (29.4°C). August's weather displays an average high-temperature of a warm 84.9°F (29.4°C), slightly varied from July's 86°F (30°C). Weather in August »Weather in September
The first month of the autumn, September, is still a warm month in Neptune, West Virginia, with an average temperature varying between 78.4°F (25.8°C) and 57°F (13.9°C). September heralds a minor drop in average high-temperature, sliding from August's moderately hot 84.9°F (29.4°C) to a still warm 78.4°F (25.8°C). Weather in September »Weather in October
October, like September, in Neptune, West Virginia, is another refreshing autumn month, with an average temperature fluctuating between 64.9°F (18.3°C) and 46.8°F (8.2°C). Neptune's progression into October involves a drop in the average high-temperature, receding from a moderately hot 78.4°F (25.8°C) in September to a refreshing 64.9°F (18.3°C). Weather in October »Weather in November
The last month of the autumn, November, is also a fresh month in Neptune, West Virginia, with temperature in the range of an average low of 36.5°F (2.5°C) and an average high of 52.3°F (11.3°C). Neptune's November weather features a mild decline in high-temperatures, reducing from a comfortable 64.9°F (18.3°C) in October to a fresh 52.3°F (11.3°C). Weather in November »Weather in December
The first month of the winter, December, is also a frosty month in Neptune, West Virginia, with temperature in the range of an average low of 31.1°F (-0.5°C) and an average high of 43.2°F (6.2°C). The move into December indicates a reduction in the average high-temperature, down from November's fresh 52.3°F (11.3°C) to a frosty 43.2°F (6.2°C). Weather in December »Updated: Jun 6, 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
January is the month when Neptune sees the average lowest temperatures, with a high of 37.6°F (3.1°C) and a low of 24.3°F (-4.3°C).
January and February, with an average relative humidity of 82%, are most humid months.
Throughout the year, there are 178.2 rainfall days, and 35.35" (898mm) of precipitation is accumulated.
January through May, October through December are months with snowfall in Neptune.
In Neptune, during the entire year, snow falls for 40.4 days and aggregates up to 15.91" (404mm) of snow.
January has the least sunshine of the year, with an average of 3.5h of sunshine.
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index.
The month with the most snowfall in Neptune is February, when snow falls for 9.8 days and typically aggregates up to 4.29" (109mm) 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.
The month with the most rainfall is May, when the rain falls for 19.4 days and typically aggregates up to 4.02" (102mm) of precipitation.
May through August, with an average maximum UV index of 6, are months with the highest UV index.
June through September are months without snowfall.
June has the longest days of the year in Neptune, with an average of 14h and 54min of daylight.
July, having an average high-temperature of 86°F (30°C) and an average low-temperature of 64°F (17.8°C), is the warmest month.
The least humid month is August, with an average relative humidity of 75%.
With an average of 10.3h of sunshine, August has the most sunshine of the year.
The month with the least rainfall is September, when the rain falls for 12.6 days and typically collects 1.89" (48mm) of precipitation.
December has the shortest days of the year, with an average of 9h and 30min of daylight.
Average temperature
Neptune, WV
The warmest month (with the highest average high temperature) is July (86°F).
The month with the lowest average high temperature is January (37.6°F).
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).
Average pressure
Neptune, WV
- Average pressure in January:
30.14"Hg - Average pressure in February:
30.11"Hg - Average pressure in March:
30.09"Hg - Average pressure in April:
29.98"Hg - Average pressure in May:
30"Hg - Average pressure in June:
29.96"Hg
- Average pressure in July:
30"Hg - Average pressure in August:
30.01"Hg - Average pressure in September:
30.05"Hg - Average pressure in October:
30.05"Hg - Average pressure in November:
30.15"Hg - Average pressure in December:
30.14"Hg
The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed
Neptune, WV
- Average wind speed in January:
6.8mph - Average wind speed in February:
6.8mph - Average wind speed in March:
6.5mph - Average wind speed in April:
6.6mph - Average wind speed in May:
5.7mph - Average wind speed in June:
5.1mph
- Average wind speed in July:
4.4mph - Average wind speed in August:
4.3mph - Average wind speed in September:
4.7mph - Average wind speed in October:
5.4mph - Average wind speed in November:
5.8mph - Average wind speed in December:
6.3mph
The windiest months (with the highest average wind speed) are January and February (6.8mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).
Average humidity
Neptune, WV
The months with the highest relative humidity are January and February (82%).
The month with the lowest relative humidity is August (75%).
Average rainfall
Neptune, WV
- Average rainfall in January:
2.6" - Average rainfall in February:
3.39" - Average rainfall in March:
2.99" - Average rainfall in April:
3.62" - Average rainfall in May:
4.02" - Average rainfall in June:
3.03"
- Average rainfall in July:
3.31" - Average rainfall in August:
2.44" - Average rainfall in September:
1.89" - Average rainfall in October:
2.44" - Average rainfall in November:
2.13" - Average rainfall in December:
3.5"
The wettest month (with the highest rainfall) is May (4.02").
The driest month (with the least rainfall) is September (1.89").
Average rainfall days
Neptune, WV
- Average rainfall days in January:
12 days - Average rainfall days in February:
11.6 days - Average rainfall days in March:
15.8 days - Average rainfall days in April:
16.9 days - Average rainfall days in May:
19.4 days - Average rainfall days in June:
18 days
- Average rainfall days in July:
18.8 days - Average rainfall days in August:
15.6 days - Average rainfall days in September:
12.6 days - Average rainfall days in October:
13.5 days - Average rainfall days in November:
10.8 days - Average rainfall days in December:
13.2 days
The month with the highest number of rainy days is May (19.4 days).
The month with the least rainy days is November (10.8 days).
Average snowfall
Neptune, WV
- Average snowfall in January:
4.13" - Average snowfall in February:
4.29" - Average snowfall in March:
2.48" - Average snowfall in April:
0.31" - Average snowfall in May:
0.2" - Average snowfall in June:
0"
The month with the highest snowfall is February (4.29").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Neptune, WV
- Average snowfall days in January:
12.5 days - Average snowfall days in February:
9.8 days - Average snowfall days in March:
5.8 days - Average snowfall days in April:
0.9 days - Average snowfall days in May:
0.1 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:
0.2 days - Average snowfall days in November:
2.8 days - Average snowfall days in December:
8.3 days
The month with the highest number of snowfall days is January (12.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Neptune, 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 18min - Average daylight in May:
14h and 18min - Average daylight in June:
14h and 54min
- Average daylight in July:
14h and 36min - 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 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in January:
3h and 30min - Average sunshine in February:
4h and 18min - Average sunshine in March:
5h and 48min - Average sunshine in April:
7h and 54min - Average sunshine in May:
8h and 42min - Average sunshine in June:
9h and 42min
- Average sunshine in July:
9h and 48min - Average sunshine in August:
10h and 18min - Average sunshine in September:
8h and 18min - Average sunshine in October:
6h and 0min - Average sunshine in November:
5h and 30min - Average sunshine in December:
4h and 0min
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 30min).
Average sunshine days
Neptune, WV
- Average sunshine days in January:
10.2 days - Average sunshine days in February:
9.5 days - Average sunshine days in March:
11.2 days - Average sunshine days in April:
10.5 days - Average sunshine days in May:
9.5 days - Average sunshine days in June:
10.4 days
- Average sunshine days in July:
10.4 days - Average sunshine days in August:
13.4 days - Average sunshine days in September:
15.2 days - Average sunshine days in October:
16.3 days - Average sunshine days in November:
17.5 days - Average sunshine days in December:
11.9 days
The month with the most sunshine days is November (17.5 days).
The months with the least sunshine days are February and May (9.5 days).
Average UV index
Neptune, 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
Neptune, 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
Neptune, 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).
