Climate and monthly weather forecastSebastian, OH
Climate and monthly weather forecast
Weather in January
January, the same as December, in Sebastian, Ohio, is a freezing cold winter month, with an average temperature ranging between max 31.6°F (-0.2°C) and min 19.9°F (-6.7°C). Sebastian experiences its lowest average temperatures in January, reaching a peak of 31.6°F (-0.2°C) and a minimum of 19.9°F (-6.7°C). Weather in January »Weather in February
The last month of the winter, February, is a cold month in Sebastian, Ohio, with an average temperature ranging between min 23.7°F (-4.6°C) and max 36.1°F (2.3°C). On the advent of February, Sebastian's average high-temperature exhibits a minor adjustment to a cold 36.1°F (2.3°C) from January's 31.6°F (-0.2°C). Weather in February »Weather in March
March, the first month of the spring in Sebastian, is a chilly month, with an average temperature fluctuating between 47.1°F (8.4°C) and 32.4°F (0.2°C). Sebastian sees an increase in average high-temperatures during March, moving from an icy 36.1°F (2.3°C) in February to a chilly 47.1°F (8.4°C). Weather in March »Weather in April
April is a refreshing spring month in Sebastian, Ohio, with an average temperature fluctuating between 42.4°F (5.8°C) and 59.5°F (15.3°C). Sebastian in April shows a temperature shift, moving from an average high of a frosty 47.1°F (8.4°C) in March to a mild 59.5°F (15.3°C). Weather in April »Weather in May
May, the last month of the spring in Sebastian, is an agreeable month, with an average temperature fluctuating between 54.1°F (12.3°C) and 70.7°F (21.5°C). With the onset of May, Sebastian's average high-temperature experiences a rise, moving from April's refreshing 59.5°F (15.3°C) to an agreeable 70.7°F (21.5°C). Weather in May »Weather in June
The first month of the summer, June, is a moderately hot month in Sebastian, Ohio, with an average temperature ranging between min 61.3°F (16.3°C) and max 77.9°F (25.5°C). Sebastian experiences a minor temperature shift with the start of June, with average high-temperatures moving from a pleasant 70.7°F (21.5°C) in May to a moderately hot 77.9°F (25.5°C). Weather in June »Weather in July
July, like June, in Sebastian, Ohio, is a moderately hot summer month, with an average temperature varying between 81°F (27.2°C) and 64°F (17.8°C). July proves to be the warmest month, recording an average peak temperature of 81°F (27.2°C) and a minimum temperature of 64°F (17.8°C). The heat index value during July is calculated to be a hot 86°F (30°C). Weather in July »Weather in August
The last month of the summer, August, is also a moderately hot month in Sebastian, Ohio, with an average temperature varying between 79°F (26.1°C) and 61.3°F (16.3°C). Sebastian records an average high-temperature of a still warm 79°F (26.1°C) in August, closely mirroring the climate of the previous month. Weather in August »Weather in September
September, the first month of the autumn in Sebastian, is still a warm month, with an average temperature varying between 55.8°F (13.2°C) and 73.8°F (23.2°C). Sebastian observes a minor difference in average high-temperatures between August's 79°F (26.1°C) and September's 73.8°F (23.2°C). Weather in September »Weather in October
October, like September, in Sebastian, Ohio, is another comfortable autumn month, with an average temperature ranging between max 61.7°F (16.5°C) and min 46°F (7.8°C). In Sebastian, the beginning of October is marked by a lowered average high-temperature, shifting from September's warm 73.8°F (23.2°C) to an enjoyable 61.7°F (16.5°C). Weather in October »Weather in November
The last month of the autumn, November, is another chilly month in Sebastian, Ohio, with an average temperature ranging between min 35.1°F (1.7°C) and max 48.4°F (9.1°C). The transition into November is accompanied by a temperature decrease, with the average high-temperature shifting from a comfortable 61.7°F (16.5°C) in October to a frosty 48.4°F (9.1°C). Weather in November »Weather in December
December, the first month of the winter in Sebastian, is also a wintry month, with temperature in the range of an average low of 27.3°F (-2.6°C) and an average high of 37.6°F (3.1°C). December's arrival comes with a decrease in the average high-temperature, moving from a frosty 48.4°F (9.1°C) in November to an icy 37.6°F (3.1°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Sebastian, 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
Sebastian, 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
Sebastian, 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
Sebastian, 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
Sebastian, 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
Sebastian, 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
Sebastian, 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
Sebastian, 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
Sebastian, 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 24min - 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
Sebastian, 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
Sebastian, 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
Sebastian, 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
Sebastian, 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).





