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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
Weather in January
January, the same as December, is an icy winter month in Seymour, Indiana, with an average temperature ranging between max 36.7°F (2.6°C) and min 23.4°F (-4.8°C). January, recording an average high temperature of 36.7°F (2.6°C) and a low temperature of 23.4°F (-4.8°C), is Seymour's coldest month. Weather in January »
Weather in February
February, the last month of the winter in Seymour, is also an icy month, with an average temperature fluctuating between 27°F (-2.8°C) and 41.5°F (5.3°C). Seymour's weather in February, with an average high-temperature of a still wintry 41.5°F (5.3°C), subtly shifts from January's 36.7°F (2.6°C). Weather in February »
Weather in March
The first month of the spring, March, is a fresh month in Seymour, Indiana, with an average temperature varying between 36.1°F (2.3°C) and 52.3°F (11.3°C). March brings a temperature increase, with average high-temperatures moving from February's cold 41.5°F (5.3°C) to a fresh 52.3°F (11.3°C). Weather in March »
Weather in April
April is a comfortable spring month in Seymour, Indiana, with an average temperature ranging between min 46°F (7.8°C) and max 64°F (17.8°C). The beginning of April marks a shift in the average high-temperature, moving from March's cool 52.3°F (11.3°C) to a refreshing 64°F (17.8°C). Weather in April »
Weather in May
May, the last month of the spring in Seymour, is a warm month, with an average temperature varying between 73.8°F (23.2°C) and 55.9°F (13.3°C). May's onset witnesses a shift in the average high-temperature, moving from a comfortable 64°F (17.8°C) in April to a warm 73.8°F (23.2°C). Weather in May »
Weather in June
June, the first month of the summer in Seymour, is still a warm month, with an average temperature ranging between max 82°F (27.8°C) and min 63.5°F (17.5°C). The arrival of June introduces a minor uplift in high-temperatures, adjusting from 73.8°F (23.2°C) in May to a still moderately hot 82°F (27.8°C). Weather in June »
Weather in July
July, like June, in Seymour, Indiana, is a moderately hot summer month, with temperature in the range of an average low of 65.8°F (18.8°C) and an average high of 84.7°F (29.3°C). The warmest period is July, when temperatures fluctuate between an average high of 84.7°F (29.3°C) and a low of 65.8°F (18.8°C). The heat index value during July is appraised at a fiery hot 95°F (35°C). Weather in July »
Weather in August
August, the last month of the summer in Seymour, is also a moderately hot month, with temperature in the range of an average low of 64.2°F (17.9°C) and an average high of 83.8°F (28.8°C). The start of August sees the average high-temperature at a still warm 83.8°F (28.8°C), showing little difference from July's 84.7°F (29.3°C). Weather in August »
Weather in September
The first month of the autumn, September, is also a moderately hot month in Seymour, Indiana, with an average temperature fluctuating between 78.1°F (25.6°C) and 58.5°F (14.7°C). September reveals a small adjustment in temperature, transitioning from an average high of a moderately hot 83.8°F (28.8°C) in August to a still warm 78.1°F (25.6°C). Weather in September »
Weather in October
October, like September, in Seymour, Indiana, is another comfortable autumn month, with an average temperature varying between 47.3°F (8.5°C) and 65.5°F (18.6°C). October's onset corresponds with a shift in the average high-temperature, moving from a warm 78.1°F (25.6°C) in September to an enjoyable 65.5°F (18.6°C). Weather in October »
Weather in November
November, the last month of the autumn in Seymour, is also a fresh month, with an average temperature ranging between max 51.4°F (10.8°C) and min 36.5°F (2.5°C). With the onset of November, Seymour experiences a modest temperature adjustment, with the average high-temperature receding from a comfortable 65.5°F (18.6°C) in October to a cool 51.4°F (10.8°C). Weather in November »
Weather in December
The first month of the winter, December, is also an icy month in Seymour, Indiana, with an average temperature fluctuating between 30.4°F (-0.9°C) and 41.9°F (5.5°C). The onset of December results in a decrease in the average high-temperature, receding from a fresh 51.4°F (10.8°C) in November to a cold 41.9°F (5.5°C). Weather in December »
Updated: Jul 10, 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 time of year?
Seymour's temperature records reveal January as the coldest month, marked by average highs of 36.7°F (2.6°C) and lows of 23.4°F (-4.8°C).
How much does it rain?
In Seymour, during the entire year, the rain falls for 163.7 days and collects up to 33.11" (841mm) of precipitation.
When does it snow?
Months with snowfall are January through April, October through December.
How many days does it snow?
Throughout the year, there are 32.7 snowfall days, and 9.69" (246mm) of snow is accumulated.
What are the months with the least sunshine?
January and December, with an average of 4.1h of sunshine, are months with the least sunshine.
When is the lowest UV index?
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2.
When does it snow the most?
The month with the most snowfall is February, when snow falls for 8.6 days and typically aggregates up to 2.72" (69mm) of snow.
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 is the wettest month?
April is the month with the most rainfall in Seymour. Rain falls for 16.7 days and accumulates 3.82" (97mm) of precipitation.
When it does not snow?
May through September are months without snowfall.
When are the longest days?
June has the longest days of the year, with an average of 14h and 54min of daylight.
What are the months with the highest UV index?
The months with the highest UV index in Seymour are June through August, with an average maximum UV index of 6.
What is the hottest time of year?
In Seymour, the average highest temperatures are observed in July, with a high of 84.7°F (29.3°C) and a low of 65.8°F (18.8°C).
What month has the most sunshine?
With an average of 10.3h of sunshine, July has the most sunshine of the year.
What is the driest month in Seymour?
September is the month with the least rainfall. Rain falls for 12.9 days and accumulates 1.85" (47mm) of precipitation.
What is the least humid month in Seymour?
With an average relative humidity of 74%, October is the least humid month.
What is the most humid month?
The most humid month is December, with an average relative humidity of 81%.
What is the month with the shortest days?
The month with the shortest days is December, with an average of 9h and 30min of daylight.
Average temperature
Seymour, IN
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (36.7°F).
The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).
Average pressure
Seymour, IN
- Average pressure in January:
30.15"Hg - Average pressure in February:
30.11"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:
29.94"Hg
- Average pressure in July:
29.98"Hg - Average pressure in August:
29.98"Hg - Average pressure in September:
30.03"Hg - Average pressure in October:
30.03"Hg - Average pressure in November:
30.14"Hg - Average pressure in December:
30.13"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed
Seymour, IN
- Average wind speed in January:
8.2mph - Average wind speed in February:
8.2mph - Average wind speed in March:
8mph - Average wind speed in April:
8.1mph - Average wind speed in May:
6.6mph - Average wind speed in June:
5.9mph
- Average wind speed in July:
5mph - Average wind speed in August:
5mph - Average wind speed in September:
5.7mph - Average wind speed in October:
6.9mph - Average wind speed in November:
7.3mph - Average wind speed in December:
7.6mph
The windiest months (with the highest average wind speed) are January and February (8.2mph).
The calmest months (with the lowest average wind speed) are July and August (5mph).
Average humidity
Seymour, IN
The month with the highest relative humidity is December (81%).
The month with the lowest relative humidity is October (74%).
Average rainfall
Seymour, IN
- Average rainfall in January:
2.36" - Average rainfall in February:
2.64" - Average rainfall in March:
3.07" - Average rainfall in April:
3.82" - Average rainfall in May:
3.43" - Average rainfall in June:
3.03"
- Average rainfall in July:
3.23" - Average rainfall in August:
2.17" - Average rainfall in September:
1.85" - Average rainfall in October:
2.52" - Average rainfall in November:
2.56" - Average rainfall in December:
2.44"
The wettest month (with the highest rainfall) is April (3.82").
The driest month (with the least rainfall) is September (1.85").
Average rainfall days
Seymour, IN
- Average rainfall days in January:
10.8 days - Average rainfall days in February:
9.9 days - Average rainfall days in March:
14.9 days - Average rainfall days in April:
16.7 days - Average rainfall days in May:
18.5 days - Average rainfall days in June:
15.7 days
- Average rainfall days in July:
17 days - Average rainfall days in August:
13.7 days - Average rainfall days in September:
12.9 days - Average rainfall days in October:
11.8 days - Average rainfall days in November:
10.6 days - Average rainfall days in December:
11.2 days
The month with the highest number of rainy days is May (18.5 days).
The month with the least rainy days is February (9.9 days).
Average snowfall
Seymour, IN
The month with the highest snowfall is February (2.72").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Seymour, IN
- Average snowfall days in January:
9 days - Average snowfall days in February:
8.6 days - Average snowfall days in March:
4.4 days - Average snowfall days in April:
0.8 days - Average snowfall days in May:
0 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:
2.5 days - Average snowfall days in December:
7.2 days
The month with the highest number of snowfall days is January (9 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Seymour, IN
- Average daylight in January:
9h and 5min - Average daylight in February:
10h and 5min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 1min - Average daylight in May:
14h and 2min - Average daylight in June:
14h and 5min
- Average daylight in July:
14h and 4min - Average daylight in August:
13h and 4min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 1min - Average daylight in November:
10h and 1min - Average daylight in December:
9h and 3min
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:
4h and 1min - Average sunshine in February:
5h and 1min - Average sunshine in March:
6h and 0min - Average sunshine in April:
7h and 2min - Average sunshine in May:
8h and 4min - Average sunshine in June:
10h and 1min
- Average sunshine in July:
10h and 2min - Average sunshine in August:
9h and 4min - Average sunshine in September:
8h and 2min - Average sunshine in October:
6h and 5min - Average sunshine in November:
5h and 2min - Average sunshine in December:
4h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The months with the least sunshine are January and December (Average sunshine: 4h and 6min).
Average sunshine days
Seymour, IN
- Average sunshine days in January:
13.6 days - Average sunshine days in February:
11.5 days - Average sunshine days in March:
11.9 days - Average sunshine days in April:
11.3 days - Average sunshine days in May:
9.6 days - Average sunshine days in June:
12.1 days
- Average sunshine days in July:
11.8 days - Average sunshine days in August:
14.8 days - Average sunshine days in September:
15.1 days - Average sunshine days in October:
17.5 days - Average sunshine days in November:
16.8 days - Average sunshine days in December:
13.5 days
The month with the most sunshine days is October (17.5 days).
The month with the least sunshine days is May (9.6 days).
Average UV index
Seymour, IN
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover
Seymour, IN
The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility
Seymour, IN
The months with the highest visibility are March, April, June, October and November (6mi).
The months with the lowest visibility are January, February, May, July, August, September and December (5mi).
Seymour, Indiana, USA
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