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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Climate and monthly weather forecast
Weather in January
January, like December, is another subzero cold winter month in Delta, Ohio, with an average temperature varying between 18.9°F (-7.3°C) and 29.8°F (-1.2°C). January, with its average high-temperature of 29.8°F (-1.2°C) and an average low-temperature of 18.9°F (-7.3°C), holds the record as the coldest month. Weather in January »
Weather in February
February, the last month of the winter in Delta, is an icy month, with temperature in the range of an average low of 21.2°F (-6°C) and an average high of 33.4°F (0.8°C). Delta indicates an average high-temperature of a cold 33.4°F (0.8°C) in February, showing minor variation from January's 29.8°F (-1.2°C). Weather in February »
Weather in March
The first month of the spring, March, is a frosty month in Delta, Ohio, with temperature in the range of an average low of 30.6°F (-0.8°C) and an average high of 44.8°F (7.1°C). The onset of March brings a rise in the average high-temperature, elevating from a wintry 33.4°F (0.8°C) in February to a frosty 44.8°F (7.1°C). Weather in March »
Weather in April
April in Delta, Ohio, is a moderate spring month, with an average temperature ranging between min 40.3°F (4.6°C) and max 56.8°F (13.8°C). Noticing a change, the average high-temperature during April moves from March's chilly 44.8°F (7.1°C) to a mild 56.8°F (13.8°C). Weather in April »
Weather in May
The last month of the spring, May, is an agreeable month in Delta, Ohio, with an average temperature ranging between max 69.6°F (20.9°C) and min 52.3°F (11.3°C). May's onset witnesses a shift in the average high-temperature, moving from a refreshing 56.8°F (13.8°C) in April to an agreeable 69.6°F (20.9°C). Weather in May »
Weather in June
The first month of the summer, June, is a warm month in Delta, Ohio, with an average temperature fluctuating between 77°F (25°C) and 59.9°F (15.5°C). Entering June, Delta notices a subtle temperature elevation, with the average high-temperature advancing from May's pleasant 69.6°F (20.9°C) to a moderately hot 77°F (25°C). Weather in June »
Weather in July
July, the same as June, is another warm summer month in Delta, Ohio, with an average temperature fluctuating between 80.6°F (27°C) and 63.1°F (17.3°C). The average temperatures reach their apex in July, averaging 80.6°F (27°C) at the high end and 63.1°F (17.3°C) at the low end. The heat index value during July is calculated to be 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 Delta, Ohio, with an average temperature ranging between max 78.4°F (25.8°C) and min 60.6°F (15.9°C). August's weather displays an average high-temperature of a still moderately hot 78.4°F (25.8°C), slightly varied from July's 80.6°F (27°C). Weather in August »
Weather in September
The first month of the autumn, September, is still a warm month in Delta, Ohio, with an average temperature varying between 73.8°F (23.2°C) and 55.6°F (13.1°C). With the onset of September, the average high-temperature stands at a still moderately hot 73.8°F (23.2°C), closely aligned with August's 78.4°F (25.8°C). Weather in September »
Weather in October
October, like September, in Delta, Ohio, is another comfortable autumn month, with temperature in the range of an average low of 45.5°F (7.5°C) and an average high of 61°F (16.1°C). October's arrival coincides with a drop in the average high-temperature, decreasing from September's moderately hot 73.8°F (23.2°C) to a comfortable 61°F (16.1°C). Weather in October »
Weather in November
The last month of the autumn, November, is another chilly month in Delta, Ohio, with an average temperature fluctuating between 34.5°F (1.4°C) and 46.9°F (8.3°C). The onset of November results in a decrease in the average high-temperature, receding from a comfortable 61°F (16.1°C) in October to a chilly 46.9°F (8.3°C). Weather in November »
Weather in December
The first month of the winter, December, is also a wintry month in Delta, Ohio, with an average temperature varying between 26.8°F (-2.9°C) and 36.1°F (2.3°C). A shift in Delta's weather is observed as November turns into December, with the average high temperature reducing from a chilly 46.9°F (8.3°C) to a cold 36.1°F (2.3°C). Weather in December »
Updated: Jun 30, 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
What is the coldest month?
In Delta, January registers the lowest temperatures, averaging 29.8°F (-1.2°C) at the peak and 18.9°F (-7.3°C) at the lowest.
How many days does it rain?
In Delta, during the entire year, the rain falls for 159.2 days and collects up to 27.13" (689mm) of precipitation.
When does it snow in Delta?
Months with snowfall are January through May, October through December.
When does it snow the most?
The month with the most snowfall is January, when snow falls for 14.3 days and typically aggregates up to 4.49" (114mm) of snow.
How many days does it snow?
Throughout the year, there are 52.9 snowfall days, and 16.81" (427mm) of snow is accumulated.
What is the month with the least sunshine?
The month with the least sunshine in Delta is January, with an average of 3.3h of sunshine.
What is the most humid month in Delta?
With an average relative humidity of 85%, February is the most humid month.
When is Daylight Saving Time (DST)?
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.
What are the least humid months?
The months with the lowest humidity are April and October, with an average relative humidity of 75%.
What is the wettest month?
April is the month with the most rainfall. Rain falls for 16.4 days and accumulates 3.15" (80mm) of precipitation.
When it does not snow?
In Delta, snow does not fall in June through September.
When are the longest days in Delta?
The month with the longest days is June, with an average of 15h and 6min of daylight.
What are the months with the highest UV index?
June through August, with an average maximum UV index of 6, are months with the highest UV index.
What month is the hottest?
Delta's warmest temperatures are experienced in July, with average high temperatures of 80.6°F (27°C) and lows of 63.1°F (17.3°C).
What month has the most sunshine?
With an average of 10.2h of sunshine, July has the most sunshine of the year.
What is the driest month?
December is the month with the least rainfall. Rain falls for 8.9 days and accumulates 1.46" (37mm) of precipitation.
What is the month with the shortest days?
December has the shortest days of the year, with an average of 9h and 12min of daylight.
What is the month with the lowest UV index?
The month with the lowest UV index is December, with an average maximum UV index of 1.
Average temperature
Delta, OH
The warmest month (with the highest average high temperature) is July (80.6°F).
The month with the lowest average high temperature is January (29.8°F).
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure
Delta, OH
- Average pressure in January:
30.1"Hg - Average pressure in February:
30.08"Hg - Average pressure in March:
30.09"Hg - Average pressure in April:
29.96"Hg - Average pressure in May:
29.98"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:
30.01"Hg - Average pressure in November:
30.11"Hg - Average pressure in December:
30.09"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed
Delta, OH
- Average wind speed in January:
10.3mph - Average wind speed in February:
9.9mph - Average wind speed in March:
9.4mph - Average wind speed in April:
9.8mph - Average wind speed in May:
8.2mph - Average wind speed in June:
7.3mph
- Average wind speed in July:
6.1mph - Average wind speed in August:
6mph - Average wind speed in September:
6.8mph - Average wind speed in October:
8.7mph - Average wind speed in November:
9.3mph - Average wind speed in December:
9.4mph
The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest month (with the lowest average wind speed) is August (6mph).
Average humidity
Delta, OH
The month with the highest relative humidity is February (85%).
The months with the lowest relative humidity are April and October (75%).
Average rainfall
Delta, OH
- Average rainfall in January:
1.69" - Average rainfall in February:
1.65" - Average rainfall in March:
2.17" - Average rainfall in April:
3.15" - Average rainfall in May:
2.87" - Average rainfall in June:
2.95"
- Average rainfall in July:
2.76" - Average rainfall in August:
2.76" - Average rainfall in September:
1.73" - Average rainfall in October:
2.05" - Average rainfall in November:
1.89" - Average rainfall in December:
1.46"
The wettest month (with the highest rainfall) is April (3.15").
The driest month (with the least rainfall) is December (1.46").
Average rainfall days
Delta, OH
- Average rainfall days in January:
6.7 days - Average rainfall days in February:
7.8 days - Average rainfall days in March:
11.8 days - Average rainfall days in April:
16.4 days - Average rainfall days in May:
17.4 days - Average rainfall days in June:
16.9 days
- Average rainfall days in July:
17.8 days - Average rainfall days in August:
16.8 days - Average rainfall days in September:
13.9 days - Average rainfall days in October:
14.1 days - Average rainfall days in November:
10.7 days - Average rainfall days in December:
8.9 days
The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is January (6.7 days).
Average snowfall
Delta, OH
- Average snowfall in January:
4.49" - Average snowfall in February:
4.45" - Average snowfall in March:
1.81" - Average snowfall in April:
0.98" - Average snowfall in May:
0.12" - Average snowfall in June:
0"
The month with the highest snowfall is January (4.49").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Delta, OH
- Average snowfall days in January:
14.3 days - Average snowfall days in February:
13.5 days - Average snowfall days in March:
6.5 days - Average snowfall days in April:
1.7 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:
0.4 days - Average snowfall days in November:
5.3 days - Average snowfall days in December:
11.1 days
The month with the highest number of snowfall days is January (14.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Delta, OH
- Average daylight in January:
9h and 4min - Average daylight in February:
10h and 4min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 2min - Average daylight in May:
14h and 3min - Average daylight in June:
15h and 1min
- Average daylight in July:
14h and 5min - Average daylight in August:
13h and 5min - Average daylight in September:
12h and 3min - Average daylight in October:
11h and 1min - Average daylight in November:
9h and 5min - Average daylight in December:
9h and 1min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in January:
3h and 2min - Average sunshine in February:
4h and 1min - Average sunshine in March:
5h and 4min - Average sunshine in April:
7h and 0min - Average sunshine in May:
8h and 4min - Average sunshine in June:
9h and 5min
- Average sunshine in July:
10h and 1min - Average sunshine in August:
9h and 4min - Average sunshine in September:
7h and 5min - Average sunshine in October:
5h and 5min - Average sunshine in November:
4h and 5min - Average sunshine in December:
3h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).
Average sunshine days
Delta, OH
- Average sunshine days in January:
11.3 days - Average sunshine days in February:
9.7 days - Average sunshine days in March:
13.2 days - Average sunshine days in April:
11.1 days - Average sunshine days in May:
11.8 days - Average sunshine days in June:
11.8 days
- Average sunshine days in July:
10.9 days - Average sunshine days in August:
11.3 days - Average sunshine days in September:
13.9 days - Average sunshine days in October:
15.4 days - Average sunshine days in November:
15.1 days - Average sunshine days in December:
12.6 days
The month with the most sunshine days is October (15.4 days).
The month with the least sunshine days is February (9.7 days).
Average UV index
Delta, OH
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover
Delta, OH
The month with the most cloud cover is January (Cloud cover 66).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility
Delta, OH
The months with the highest visibility are March, April, May, June, July, September, October, November and December (6mi).
The months with the lowest visibility are January, February and August (5mi).