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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 a wintry winter month in Flat Rock, Indiana, with an average temperature ranging between min 22.5°F (-5.3°C) and max 35.2°F (1.8°C). During the coldest month, January, temperatures average a high of 35.2°F (1.8°C) and a low of 22.5°F (-5.3°C). Weather in January »
Weather in February
The last month of the winter, February, is another cold month in Flat Rock, Indiana, with temperature in the range of an average high of 39.9°F (4.4°C) and an average low of 26.1°F (-3.3°C). The shift into February finds Flat Rock at an average high-temperature of a still wintry 39.9°F (4.4°C), closely comparable to January's conditions. Weather in February »
Weather in March
March, the first month of the spring in Flat Rock, is a cool month, with temperature in the range of an average high of 51.1°F (10.6°C) and an average low of 35.6°F (2°C). With the onset of March, the average high-temperature slightly shifts from February's cold 39.9°F (4.4°C) to a cool 51.1°F (10.6°C). Weather in March »
Weather in April
April in Flat Rock, Indiana, is an enjoyable spring month, with temperature in the range of an average low of 45.9°F (7.7°C) and an average high of 63.1°F (17.3°C). As Flat Rock transitions into April, the average high-temperature is observed to rise from a fresh 51.1°F (10.6°C) in March to an enjoyable 63.1°F (17.3°C). Weather in April »
Weather in May
May, the last month of the spring in Flat Rock, is an agreeable month, with an average temperature fluctuating between 55.9°F (13.3°C) and 73°F (22.8°C). Flat Rock in May sees a temperature change, with average high-temperatures moving from a refreshing 63.1°F (17.3°C) in April to a pleasant 73°F (22.8°C). Weather in May »
Weather in June
The first month of the summer, June, is a warm month in Flat Rock, Indiana, with temperature in the range of an average high of 81.1°F (27.3°C) and an average low of 63.3°F (17.4°C). June's arrival signals a modest temperature shift, moving from an agreeable 73°F (22.8°C) in May to a warm 81.1°F (27.3°C). Weather in June »
Weather in July
July, the same as June, is a moderately hot summer month in Flat Rock, Indiana, with temperature in the range of an average low of 65.5°F (18.6°C) and an average high of 83.3°F (28.5°C). Temperature readings reach their annual highs in July, averaging 83.3°F (28.5°C) and a minimum average of 65.5°F (18.6°C). In July, the average heat index is estimated at a hot 93.2°F (34°C). Weather in July »
Weather in August
August, the last month of the summer in Flat Rock, is another warm month, with an average temperature ranging between max 82.8°F (28.2°C) and min 63.3°F (17.4°C). The shift to August signals an average high-temperature of a still warm 82.8°F (28.2°C), subtly varied from July's 83.3°F (28.5°C). Weather in August »
Weather in September
September, the first month of the autumn in Flat Rock, is still a warm month, with an average temperature varying between 77°F (25°C) and 58.3°F (14.6°C). In September, the average high-temperature marginally decreases from a warm 82.8°F (28.2°C) in August to a still moderately hot 77°F (25°C). Weather in September »
Weather in October
October, the same as September, is another refreshing autumn month in Flat Rock, Indiana, with an average temperature ranging between max 64.6°F (18.1°C) and min 47.3°F (8.5°C). In October, the average high-temperature decreases from a warm 77°F (25°C) in September to a comfortable 64.6°F (18.1°C). Weather in October »
Weather in November
November, the last month of the autumn in Flat Rock, is another cool month, with an average temperature fluctuating between 36.5°F (2.5°C) and 51.1°F (10.6°C). The arrival of November indicates a decrease in the average high-temperature, moving from a refreshing 64.6°F (18.1°C) in October to a cool 51.1°F (10.6°C). Weather in November »
Weather in December
The first month of the winter, December, is also a wintry month in Flat Rock, Indiana, with an average temperature ranging between max 40.6°F (4.8°C) and min 29.7°F (-1.3°C). Flat Rock's weather in December involves a decrease in the average high-temperature, moving down from November's cool 51.1°F (10.6°C) to a cold 40.6°F (4.8°C). Weather in December »
Updated: Feb 12, 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 month is the coldest in Flat Rock?
In Flat Rock, Indiana, the lowest temperatures are generally noted in January, averaging a high of 35.2°F (1.8°C) and a low of 22.5°F (-5.3°C).
What is the most humid month in Flat Rock?
January, February, July and December, with an average relative humidity of 81%, are most humid months in Flat Rock.
How many days does it rain in Flat Rock?
In Flat Rock, during the entire year, the rain falls for 163.5 days and collects up to 29.29" (744mm) of precipitation.
When does it snow in Flat Rock?
January through April, November and December are months with snowfall.
How much does it snow in Flat Rock?
In Flat Rock, during the entire year, snow falls for 34.1 days and aggregates up to 8.54" (217mm) of snow.
What is the month with the least sunshine in Flat Rock?
January has the least sunshine of the year in Flat Rock, with an average of 4.1h of sunshine.
What are the months with the lowest UV index in Flat Rock?
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Flat Rock.
What is the snowiest month in Flat Rock?
February is the month with the most snowfall in Flat Rock, Indiana. Snow falls for 7.8 days and accumulates 2.17" (55mm) of snow.
When is Daylight Saving Time (DST) in Flat Rock?
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 in Flat Rock?
May is the month with the most rainfall. Rain falls for 18.3 days and accumulates 3.5" (89mm) of precipitation.
When it does not snow in Flat Rock?
May through October are months without snowfall in Flat Rock.
When are the longest days in Flat Rock?
With an average of 14h and 54min of daylight, June has the longest days of the year.
What are the months with the highest UV index in Flat Rock?
June through August, with an average maximum UV index of 6, are months with the highest UV index in Flat Rock.
What time of the year is the hottest in Flat Rock?
Flat Rock's July weather, marked by an average high temperature of 83.3°F (28.5°C) and an average low temperature of 65.5°F (18.6°C), is the warmest in the year.
What month has the most sunshine in Flat Rock?
With an average of 10.4h of sunshine, July has the most sunshine of the year.
What is the driest month in Flat Rock?
September is the month with the least rainfall in Flat Rock, Indiana. Rain falls for 14.1 days and accumulates 1.73" (44mm) of precipitation.
What is the least humid month in Flat Rock?
October is the least humid month in Flat Rock, Indiana, with an average relative humidity of 74%.
What is the month with the shortest days in Flat Rock?
The month with the shortest days is December, with an average of 9h and 24min of daylight.
Average temperature
Flat Rock, IN
The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (35.2°F).
The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).
Average pressure
Flat Rock, IN
- Average pressure in January:
30.14"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:
29.93"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:
30.13"Hg - Average pressure in December:
30.12"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed
Flat Rock, IN
- Average wind speed in January:
8.9mph - Average wind speed in February:
8.9mph - Average wind speed in March:
8.6mph - Average wind speed in April:
8.7mph - Average wind speed in May:
7.1mph - Average wind speed in June:
6.3mph
- Average wind speed in July:
5.3mph - Average wind speed in August:
5.3mph - Average wind speed in September:
5.9mph - Average wind speed in October:
7.5mph - Average wind speed in November:
7.9mph - Average wind speed in December:
8.2mph
The windiest months (with the highest average wind speed) are January and February (8.9mph).
The calmest months (with the lowest average wind speed) are July and August (5.3mph).
Average humidity
Flat Rock, IN
The months with the highest relative humidity are January, February, July and December (81%).
The month with the lowest relative humidity is October (74%).
Average rainfall
Flat Rock, IN
- Average rainfall in January:
2.09" - Average rainfall in February:
2.05" - Average rainfall in March:
2.6" - Average rainfall in April:
3.23" - Average rainfall in May:
3.5" - Average rainfall in June:
2.6"
- Average rainfall in July:
2.83" - Average rainfall in August:
2.05" - Average rainfall in September:
1.73" - Average rainfall in October:
2.24" - Average rainfall in November:
2.13" - Average rainfall in December:
2.24"
The wettest month (with the highest rainfall) is May (3.5").
The driest month (with the least rainfall) is September (1.73").
Average rainfall days
Flat Rock, IN
- Average rainfall days in January:
9.4 days - Average rainfall days in February:
9.4 days - Average rainfall days in March:
14.6 days - Average rainfall days in April:
16 days - Average rainfall days in May:
18.3 days - Average rainfall days in June:
16.7 days
- Average rainfall days in July:
16.7 days - Average rainfall days in August:
14.6 days - Average rainfall days in September:
14.1 days - Average rainfall days in October:
11.6 days - Average rainfall days in November:
10.4 days - Average rainfall days in December:
11.7 days
The month with the highest number of rainy days is May (18.3 days).
The months with the least rainy days are January and February (9.4 days).
Average snowfall
Flat Rock, IN
The month with the highest snowfall is February (2.17").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Flat Rock, IN
- Average snowfall days in January:
9.6 days - Average snowfall days in February:
7.8 days - Average snowfall days in March:
5 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:
8.2 days
The month with the highest number of snowfall days is January (9.6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Flat Rock, IN
- Average daylight in January:
9h and 5min - 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 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 0min - Average daylight in December:
9h and 2min
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 24min).
- Average sunshine in January:
4h and 1min - Average sunshine in February:
5h and 2min - Average sunshine in March:
6h and 1min - Average sunshine in April:
7h and 2min - Average sunshine in May:
8h and 5min - 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 2min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days
Flat Rock, IN
- Average sunshine days in January:
13.5 days - Average sunshine days in February:
12.5 days - Average sunshine days in March:
12.2 days - Average sunshine days in April:
11.8 days - Average sunshine days in May:
10.3 days - Average sunshine days in June:
10.6 days
- Average sunshine days in July:
11.3 days - Average sunshine days in August:
13.6 days - Average sunshine days in September:
13.8 days - Average sunshine days in October:
17.7 days - Average sunshine days in November:
16.9 days - Average sunshine days in December:
13.6 days
The month with the most sunshine days is October (17.7 days).
The month with the least sunshine days is May (10.3 days).
Average UV index
Flat Rock, 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
Flat Rock, IN
The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility
Flat Rock, IN
The months with the highest visibility are January, February, March, April, May, June, August, September, October and November (6mi).
The months with the lowest visibility are July and December (5mi).
Flat Rock, Indiana, USA
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