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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 Decker, Indiana, with an average temperature fluctuating between 36.9°F (2.7°C) and 24.4°F (-4.2°C). Decker's January weather, marked by an average high temperature of 36.9°F (2.7°C) and an average low temperature of 24.4°F (-4.2°C), is the coldest in the year. Weather in January »
Weather in February
February, the last month of the winter in Decker, is also an icy month, with an average temperature ranging between max 42.3°F (5.7°C) and min 28.2°F (-2.1°C). Decker, Indiana, in February experiences a slight uptick in the average high-temperature, adjusting from January's 36.9°F (2.7°C) to a still cold 42.3°F (5.7°C). Weather in February »
Weather in March
The first month of the spring, March, is a fresh month in Decker, Indiana, with an average temperature varying between 37.8°F (3.2°C) and 53.1°F (11.7°C). Decker's transition into March sees a rise in the average high-temperature, advancing from a cold 42.3°F (5.7°C) in February to a cool 53.1°F (11.7°C). Weather in March »
Weather in April
April is a comfortable spring month in Decker, Indiana, with an average temperature varying between 47.7°F (8.7°C) and 64.4°F (18°C). The shift from March to April brings an increase in the average high-temperature, moving from a cool 53.1°F (11.7°C) to an enjoyable 64.4°F (18°C). Weather in April »
Weather in May
May, the last month of the spring in Decker, is a moderately hot month, with an average temperature fluctuating between 73.9°F (23.3°C) and 57.7°F (14.3°C). The start of May brings a shift in the average high-temperature, increasing from April's enjoyable 64.4°F (18°C) to a moderately hot 73.9°F (23.3°C). Weather in May »
Weather in June
The first month of the summer, June, is also a moderately hot month in Decker, Indiana, with an average temperature fluctuating between 65.5°F (18.6°C) and 82°F (27.8°C). Decker's transition into June brings a slight rise in the average high-temperature, moving from 73.9°F (23.3°C) in May to a still moderately hot 82°F (27.8°C). Weather in June »
Weather in July
July, like June, in Decker, Indiana, is a moderately hot summer month, with an average temperature ranging between max 84.2°F (29°C) and min 67.3°F (19.6°C). In Decker, the average temperatures in July are the highest, with a peak at 84.2°F (29°C) and a low of 67.3°F (19.6°C). July's average heat index is estimated at a torrid 95°F (35°C). Weather in July »
Weather in August
The last month of the summer, August, is also a moderately hot month in Decker, Indiana, with an average temperature varying between 65.7°F (18.7°C) and 82.9°F (28.3°C). The average high-temperature during August is a still warm 82.9°F (28.3°C), almost matching the conditions of the preceding month. Weather in August »
Weather in September
The first month of the autumn, September, is also a moderately hot month in Decker, Indiana, with an average temperature varying between 60.1°F (15.6°C) and 78.6°F (25.9°C). With the advent of September, Decker experiences an average high-temperature of a still moderately hot 78.6°F (25.9°C), mirroring a close resemblance to the previous month. Weather in September »
Weather in October
October, like September, in Decker, Indiana, is another comfortable autumn month, with an average temperature fluctuating between 66°F (18.9°C) and 49.1°F (9.5°C). Arrival of October comes with a reduction in the average high-temperature, falling from a moderately hot 78.6°F (25.9°C) in September to an enjoyable 66°F (18.9°C). Weather in October »
Weather in November
November, the last month of the autumn in Decker, is another cool month, with temperature in the range of an average high of 52.2°F (11.2°C) and an average low of 37.9°F (3.3°C). During the transition into November, Decker observes a decrease in the average high-temperature, falling from a comfortable 66°F (18.9°C) in October to a fresh 52.2°F (11.2°C). Weather in November »
Weather in December
December, the first month of the winter in Decker, is also a wintry month, with an average temperature fluctuating between 42.1°F (5.6°C) and 30.9°F (-0.6°C). Decker observes a minor decrease in the average high-temperature with the arrival of December, falling from November's cool 52.2°F (11.2°C) to a wintry 42.1°F (5.6°C). Weather in December »
Updated: Jul 4, 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?
Decker reaches its average lowest temperatures in January, measuring 36.9°F (2.7°C) at the peak and 24.4°F (-4.2°C) at the lowest.
How many days does it rain?
In Decker, during the entire year, the rain falls for 89 days and collects up to 7.6" (193mm) of precipitation.
When does it snow?
Months with snowfall are January through March, November and December.
How much does it snow?
Throughout the year, there are 13.3 snowfall days, and 0.91" (23mm) of snow is accumulated.
What are the months with the lowest UV index?
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index.
When does it snow the most?
The month with the most snowfall is March, when snow falls for 1.7 days and typically aggregates up to 0.24" (6mm) 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 rainiest month?
The month with the most rainfall is April, when the rain falls for 10.2 days and typically aggregates up to 0.91" (23mm) of precipitation.
When it does not snow?
In Decker, snow does not fall in April through October.
When are the longest days?
With an average of 14h and 48min of daylight, June has the longest days of the year.
What month has the most sunshine?
The month with the most sunshine is June, with an average of 10.6h of sunshine.
When is the highest UV index?
The months with the highest UV index are June through August, with an average maximum UV index of 6.
What is the hottest time of year?
In Decker, the peak temperatures are generally noted in July, averaging a high of 84.2°F (29°C) and a low of 67.3°F (19.6°C).
What is the most humid month?
The most humid month is July, with an average relative humidity of 81%.
What is the driest month?
The month with the least rainfall is September, when the rain falls for 7 days and typically collects 0.28" (7mm) of precipitation.
What is the least humid month?
The least humid month is October, with an average relative humidity of 70%.
What is the month with the shortest days in Decker?
December has the shortest days of the year, with an average of 9h and 30min of daylight.
What is the month with the least sunshine?
The month with the least sunshine is December, with an average of 4.5h of sunshine.
Average temperature
Decker, IN
The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is January (36.9°F).
The month with the highest average low temperature is July (67.3°F).
The coldest month (with the lowest average low temperature) is January (24.4°F).
Average pressure
Decker, IN
- Average pressure in January:
30.16"Hg - Average pressure in February:
30.11"Hg - Average pressure in March:
30.08"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:
29.99"Hg - Average pressure in September:
30.03"Hg - Average pressure in October:
30.04"Hg - Average pressure in November:
30.14"Hg - Average pressure in December:
30.13"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed
Decker, IN
- Average wind speed in January:
9.9mph - Average wind speed in February:
10mph - Average wind speed in March:
9.8mph - Average wind speed in April:
9.8mph - Average wind speed in May:
8.1mph - Average wind speed in June:
7mph
- Average wind speed in July:
5.8mph - Average wind speed in August:
5.9mph - Average wind speed in September:
6.6mph - Average wind speed in October:
8.6mph - Average wind speed in November:
9.1mph - Average wind speed in December:
9.3mph
The windiest month (with the highest average wind speed) is February (10mph).
The calmest month (with the lowest average wind speed) is July (5.8mph).
Average humidity
Decker, IN
The month with the highest relative humidity is July (81%).
The month with the lowest relative humidity is October (70%).
Average rainfall
Decker, IN
- Average rainfall in January:
0.59" - Average rainfall in February:
0.55" - Average rainfall in March:
0.67" - Average rainfall in April:
0.91" - Average rainfall in May:
0.75" - Average rainfall in June:
0.75"
- Average rainfall in July:
0.75" - Average rainfall in August:
0.59" - Average rainfall in September:
0.28" - Average rainfall in October:
0.59" - Average rainfall in November:
0.51" - Average rainfall in December:
0.67"
The wettest month (with the highest rainfall) is April (0.91").
The driest month (with the least rainfall) is September (0.28").
Average rainfall days
Decker, IN
- Average rainfall days in January:
5 days - Average rainfall days in February:
6.1 days - Average rainfall days in March:
7.9 days - Average rainfall days in April:
10.2 days - Average rainfall days in May:
10.8 days - Average rainfall days in June:
8.3 days
- Average rainfall days in July:
9.8 days - Average rainfall days in August:
7.5 days - Average rainfall days in September:
7 days - Average rainfall days in October:
5.9 days - Average rainfall days in November:
5.6 days - Average rainfall days in December:
4.9 days
The month with the highest number of rainy days is May (10.8 days).
The month with the least rainy days is December (4.9 days).
Average snowfall
Decker, IN
The month with the highest snowfall is March (0.24").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days
Decker, IN
- Average snowfall days in January:
3.4 days - Average snowfall days in February:
4.2 days - Average snowfall days in March:
1.7 days - Average snowfall days in April:
0.3 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 days - Average snowfall days in November:
1.4 days - Average snowfall days in December:
2.3 days
The month with the highest number of snowfall days is February (4.2 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Decker, 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 3min - 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 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in January:
4h and 4min - Average sunshine in February:
5h and 5min - Average sunshine in March:
6h and 2min - Average sunshine in April:
7h and 2min - Average sunshine in May:
8h and 5min - Average sunshine in June:
10h and 4min
- Average sunshine in July:
10h and 3min - Average sunshine in August:
9h and 2min - Average sunshine in September:
8h and 4min - Average sunshine in October:
7h and 2min - Average sunshine in November:
5h and 3min - Average sunshine in December:
4h and 3min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 4h and 30min).
Average sunshine days
Decker, IN
- Average sunshine days in January:
23 days - Average sunshine days in February:
19.7 days - Average sunshine days in March:
20.6 days - Average sunshine days in April:
17.8 days - Average sunshine days in May:
16.9 days - Average sunshine days in June:
18.5 days
- Average sunshine days in July:
17.4 days - Average sunshine days in August:
20.2 days - Average sunshine days in September:
20.7 days - Average sunshine days in October:
23 days - Average sunshine days in November:
22.7 days - Average sunshine days in December:
23.5 days
The month with the most sunshine days is December (23.5 days).
The month with the least sunshine days is May (16.9 days).
Average UV index
Decker, 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
Decker, IN
The month with the most cloud cover is January (Cloud cover 54).
The months with the least cloud cover are June and August (Cloud cover 28).
Average visibility
Decker, IN
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Decker, Indiana, USA
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