Climate and monthly weather forecastNeptune, OH
Climate and monthly weather forecast
Weather in January
January, the same as December, in Neptune, Ohio, is a freezing cold winter month, with an average temperature ranging between min 19.9°F (-6.7°C) and max 31.6°F (-0.2°C). January is the coldest month of the year, registering average temperatures as high as 31.6°F (-0.2°C) and as low as 19.9°F (-6.7°C). Weather in January »Weather in February
February, the last month of the winter in Neptune, is an icy month, with an average temperature fluctuating between 23.7°F (-4.6°C) and 36.1°F (2.3°C). With the transition into February, Neptune notes an average high-temperature of a cold 36.1°F (2.3°C), closely resembling January. Weather in February »Weather in March
March, the first month of the spring in Neptune, is a frosty month, with an average temperature varying between 47.1°F (8.4°C) and 32.4°F (0.2°C). The transition from February to March brings a temperature rise, with average high-temperatures increasing from an icy 36.1°F (2.3°C) to a chilly 47.1°F (8.4°C). Weather in March »Weather in April
April in Neptune, Ohio, is a refreshing spring month, with an average temperature ranging between min 42.4°F (5.8°C) and max 59.5°F (15.3°C). As March gives way to April, the average high-temperature displays an increase, moving from a chilly 47.1°F (8.4°C) to a refreshing 59.5°F (15.3°C). Weather in April »Weather in May
The last month of the spring, May, is an agreeable month in Neptune, Ohio, with an average temperature ranging between max 70.7°F (21.5°C) and min 54.1°F (12.3°C). The shift from April to May sees an increase in the average high-temperature, transitioning from a refreshing 59.5°F (15.3°C) to a pleasant 70.7°F (21.5°C). Weather in May »Weather in June
June, the first month of the summer in Neptune, is a warm month, with an average temperature varying between 61.3°F (16.3°C) and 77.9°F (25.5°C). Observing a minor shift, the average high-temperature during June adjusts from May's pleasant 70.7°F (21.5°C) to a moderately hot 77.9°F (25.5°C). Weather in June »Weather in July
July, the same as June, is a moderately hot summer month in Neptune, Ohio, with an average temperature fluctuating between 64°F (17.8°C) and 81°F (27.2°C). July is the month when Neptune sees the highest average temperatures, with a high of 81°F (27.2°C) and a low of 64°F (17.8°C). July's heat index is appraised at a tropical 86°F (30°C). Weather in July »Weather in August
The last month of the summer, August, is also a moderately hot month in Neptune, Ohio, with an average temperature varying between 79°F (26.1°C) and 61.3°F (16.3°C). The average high-temperature during August registers at a still warm 79°F (26.1°C), maintaining a close resemblance to the previous month. Weather in August »Weather in September
September, the first month of the autumn in Neptune, is also a moderately hot month, with temperature in the range of an average low of 55.8°F (13.2°C) and an average high of 73.8°F (23.2°C). September's climate shows a minor adjustment in average high-temperatures to a still warm 73.8°F (23.2°C) from August's 79°F (26.1°C). Weather in September »Weather in October
October, the same as September, is another comfortable autumn month in Neptune, Ohio, with an average temperature fluctuating between 46°F (7.8°C) and 61.7°F (16.5°C). In Neptune, the average high-temperature in October drops from a warm 73.8°F (23.2°C) in September to a comfortable 61.7°F (16.5°C). Weather in October »Weather in November
The last month of the autumn, November, is also a frosty month in Neptune, Ohio, with an average temperature fluctuating between 35.1°F (1.7°C) and 48.4°F (9.1°C). Neptune's progression into November involves a drop in the average high-temperature, receding from a refreshing 61.7°F (16.5°C) in October to a frosty 48.4°F (9.1°C). Weather in November »Weather in December
The first month of the winter, December, is still a cold month in Neptune, Ohio, with an average temperature fluctuating between 37.6°F (3.1°C) and 27.3°F (-2.6°C). The shift from November to December involves a decrease in the average high-temperature, dropping from a frosty 48.4°F (9.1°C) to an icy 37.6°F (3.1°C). Weather in December »Updated: Aug 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
The month of January sees the average lowest temperatures, reaching 31.6°F (-0.2°C) at the peak and 19.9°F (-6.7°C) at the low.
January, February and December, with an average relative humidity of 83%, are most humid months.
In Neptune, during the entire year, the rain falls for 137.8 days and collects up to 19.13" (486mm) of precipitation.
January through April, October through December are months with snowfall.
In Neptune, during the entire year, snow falls for 37.6 days and aggregates up to 8.15" (207mm) of snow.
January has the least sunshine of the year, with an average of 3.5h of sunshine.
February is the month with the least rainfall. Rain falls for 5.9 days and accumulates 1.02" (26mm) of precipitation.
February is the month with the most snowfall. Snow falls for 9 days and accumulates 2.4" (61mm) 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 16.7 days and typically aggregates up to 2.4" (61mm) of precipitation.
May through September are months without snowfall.
June has the longest days of the year, with an average of 15h and 0min of daylight.
During the warmest month in Neptune, July, temperatures average a high of 81°F (27.2°C) and a low of 64°F (17.8°C).
July has the most sunshine of the year, with an average of 10h of sunshine.
July and August, with an average maximum UV index of 6, are months with the highest UV index in Neptune.
October is the least humid month, with an average relative humidity of 74%.
With an average of 9h and 18min of daylight, December has the shortest days of the year.
The month with the lowest UV index is December, with an average maximum UV index of 1.
Average temperature
Neptune, OH
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (31.6°F).
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (19.9°F).
Average pressure
Neptune, OH
- Average pressure in January:
30.12"Hg - Average pressure in February:
30.09"Hg - Average pressure in March:
30.09"Hg - Average pressure in April:
29.96"Hg - Average pressure in May:
29.97"Hg - Average pressure in June:
29.93"Hg
- Average pressure in July:
29.97"Hg - Average pressure in August:
29.98"Hg - Average pressure in September:
30.04"Hg - Average pressure in October:
30.02"Hg - Average pressure in November:
30.12"Hg - Average pressure in December:
30.11"Hg
The months with the highest atmospheric pressure are January and November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed
Neptune, OH
- Average wind speed in January:
10.7mph - Average wind speed in February:
10.4mph - Average wind speed in March:
9.8mph - Average wind speed in April:
10mph - Average wind speed in May:
8.3mph - Average wind speed in June:
7.4mph
- Average wind speed in July:
6.1mph - Average wind speed in August:
6mph - Average wind speed in September:
6.7mph - Average wind speed in October:
8.8mph - Average wind speed in November:
9.6mph - Average wind speed in December:
9.8mph
The windiest month (with the highest average wind speed) is January (10.7mph).
The calmest month (with the lowest average wind speed) is August (6mph).
Average humidity
Neptune, OH
The months with the highest relative humidity are January, February and December (83%).
The month with the lowest relative humidity is October (74%).
Average rainfall
Neptune, OH
- Average rainfall in January:
1.26" - Average rainfall in February:
1.02" - Average rainfall in March:
1.93" - Average rainfall in April:
1.93" - Average rainfall in May:
2.4" - Average rainfall in June:
2.36"
The wettest month (with the highest rainfall) is May (2.4").
The driest month (with the least rainfall) is February (1.02").
Average rainfall days
Neptune, OH
- Average rainfall days in January:
5.8 days - Average rainfall days in February:
5.9 days - Average rainfall days in March:
12 days - Average rainfall days in April:
13.8 days - Average rainfall days in May:
16.7 days - Average rainfall days in June:
16 days
- Average rainfall days in July:
15.2 days - Average rainfall days in August:
13.7 days - Average rainfall days in September:
11.5 days - Average rainfall days in October:
10.6 days - Average rainfall days in November:
8.4 days - Average rainfall days in December:
8.2 days
The month with the highest number of rainy days is May (16.7 days).
The month with the least rainy days is January (5.8 days).
Average snowfall
Neptune, OH
The month with the highest snowfall is February (2.4").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Neptune, OH
- Average snowfall days in January:
10.3 days - Average snowfall days in February:
9 days - Average snowfall days in March:
5 days - Average snowfall days in April:
1.4 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:
0.5 days - Average snowfall days in November:
3.1 days - Average snowfall days in December:
8.2 days
The month with the highest number of snowfall days is January (10.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Neptune, OH
- 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 30min - Average daylight in June:
15h and 0min
- Average daylight in July:
14h and 42min - 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:
9h and 54min - Average daylight in December:
9h and 18min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in January:
3h and 30min - Average sunshine in February:
4h and 24min - Average sunshine in March:
5h and 54min - Average sunshine in April:
7h and 0min - Average sunshine in May:
8h and 36min - Average sunshine in June:
9h and 54min
- Average sunshine in July:
10h and 0min - Average sunshine in August:
9h and 42min - Average sunshine in September:
7h and 54min - Average sunshine in October:
6h and 12min - Average sunshine in November:
5h and 6min - Average sunshine in December:
3h and 48min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days
Neptune, OH
- Average sunshine days in January:
16 days - Average sunshine days in February:
13.5 days - Average sunshine days in March:
14.8 days - Average sunshine days in April:
14.5 days - Average sunshine days in May:
11.6 days - Average sunshine days in June:
11.2 days
- Average sunshine days in July:
12.6 days - Average sunshine days in August:
13.7 days - Average sunshine days in September:
15.1 days - Average sunshine days in October:
18.3 days - Average sunshine days in November:
18.9 days - Average sunshine days in December:
16.1 days
The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is June (11.2 days).
Average UV index
Neptune, OH
The months with the highest UV index are July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover
Neptune, OH
The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility
Neptune, OH
The months with the highest visibility are January, February, March, April, May, June, July, October, November and December (6mi).
The months with the lowest visibility are August and September (5mi).
