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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 Letts, Indiana, with an average temperature ranging between max 34.9°F (1.6°C) and min 22.8°F (-5.1°C). Letts's January weather, marked by an average high temperature of 34.9°F (1.6°C) and an average low temperature of 22.8°F (-5.1°C), is the coldest in the year. Weather in January »
Weather in February
February, the last month of the winter in Letts, is also a wintry month, with an average temperature varying between 26.1°F (-3.3°C) and 39.9°F (4.4°C). Entering February, Letts's average high-temperature reads a still icy 39.9°F (4.4°C), indicating a close resemblance to the previous month's climate. Weather in February »
Weather in March
March, the first month of the spring in Letts, is a cool month, with an average temperature varying between 50.9°F (10.5°C) and 35.4°F (1.9°C). With the onset of March, Letts's average high-temperature experiences a rise, moving from February's cold 39.9°F (4.4°C) to a cool 50.9°F (10.5°C). Weather in March »
Weather in April
April is a comfortable spring month in Letts, Indiana, with an average temperature fluctuating between 63°F (17.2°C) and 45.7°F (7.6°C). Letts's transition into April is marked by a temperature shift, moving from a fresh 50.9°F (10.5°C) in March to a comfortable 63°F (17.2°C). Weather in April »
Weather in May
The last month of the spring, May, is an agreeable month in Letts, Indiana, with an average temperature varying between 72.9°F (22.7°C) and 55.9°F (13.3°C). Letts in May experiences an increase in the average high-temperature, moving from April's enjoyable 63°F (17.2°C) to an agreeable 72.9°F (22.7°C). Weather in May »
Weather in June
June, the first month of the summer in Letts, is a moderately hot month, with an average temperature fluctuating between 80.2°F (26.8°C) and 62.8°F (17.1°C). The start of June is characterized by a subtle increase in the average high-temperature, transitioning from an agreeable 72.9°F (22.7°C) in May to a moderately hot 80.2°F (26.8°C). Weather in June »
Weather in July
July, like June, in Letts, Indiana, is a moderately hot summer month, with an average temperature fluctuating between 83.1°F (28.4°C) and 65.3°F (18.5°C). July is the month that records the highest temperatures, with averages ranging from a high of 83.1°F (28.4°C) to a low of 65.3°F (18.5°C). Throughout July, the heat index is appraised at a tropical 91.4°F (33°C). Weather in July »
Weather in August
The last month of the summer, August, is another warm month in Letts, Indiana, with an average temperature varying between 82°F (27.8°C) and 63.5°F (17.5°C). With the arrival of August, Letts's average high-temperature registers at a still moderately hot 82°F (27.8°C), indicating a subtle variation from the previous month. Weather in August »
Weather in September
September, the first month of the autumn in Letts, is still a warm month, with an average temperature fluctuating between 58.3°F (14.6°C) and 76.3°F (24.6°C). In the transition to September, Letts observes a minor drop in the average high-temperature, shifting from a warm 82°F (27.8°C) in August to a still moderately hot 76.3°F (24.6°C). Weather in September »
Weather in October
October, like September, in Letts, Indiana, is another enjoyable autumn month, with an average temperature fluctuating between 64°F (17.8°C) and 47.1°F (8.4°C). October weather is marked by a drop in the average high-temperature, falling from a moderately hot 76.3°F (24.6°C) in September to a comfortable 64°F (17.8°C). Weather in October »
Weather in November
The last month of the autumn, November, is also a fresh month in Letts, Indiana, with temperature in the range of an average high of 50.9°F (10.5°C) and an average low of 36.5°F (2.5°C). Start of November brings a shift in the average high-temperature, falling from October's refreshing 64°F (17.8°C) to a fresh 50.9°F (10.5°C). Weather in November »
Weather in December
The first month of the winter, December, is also an icy month in Letts, Indiana, with an average temperature ranging between min 29.5°F (-1.4°C) and max 40.6°F (4.8°C). December ushers in a slight temperature change, with average high-temperatures reducing from November's fresh 50.9°F (10.5°C) to an icy 40.6°F (4.8°C). Weather in December »
[Resources]Frequently asked questions
What is the coldest time of year in Letts?
January, recording an average high temperature of 34.9°F (1.6°C) and a low temperature of 22.8°F (-5.1°C), is Letts's coldest month.
How much does it rain in Letts?
In Letts, Indiana, during the entire year, the rain falls for 137.6 days and collects up to 17.99" (457mm) of precipitation.
When does it snow in Letts?
January through April, October through December are months with snowfall.
How many days does it snow in Letts?
In Letts, during the entire year, snow falls for 29.3 days and aggregates up to 5.35" (136mm) of snow.
What is the month with the least sunshine in Letts?
With an average of 4h of sunshine, January has the least sunshine of the year.
When does it snow the most in Letts?
The month with the most snowfall in Letts, Indiana, is March, when snow falls for 4.6 days and typically aggregates up to 1.46" (37mm) of snow.
When is Daylight Saving Time (DST) in Letts?
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 in Letts?
The month with the most rainfall is May, when the rain falls for 15.4 days and typically aggregates up to 2.01" (51mm) of precipitation.
When it does not snow in Letts?
May through September are months without snowfall in Letts.
When are the longest days in Letts?
June has the longest days of the year, with an average of 14h and 54min of daylight.
When is the highest UV index in Letts?
The months with the highest UV index in Letts, Indiana, are June through August, with an average maximum UV index of 6.
What time of the year is the hottest in Letts?
July stands out as Letts's warmest month, with an average high-temperature of 83.1°F (28.4°C) and a low-temperature of 65.3°F (18.5°C).
What month has the most sunshine in Letts?
With an average of 10.3h of sunshine, July has the most sunshine of the year in Letts.
What is the driest month in Letts?
September is the month with the least rainfall. Rain falls for 11.3 days and accumulates 0.98" (25mm) of precipitation.
What is the least humid month in Letts?
With an average relative humidity of 74%, October is the least humid month.
What is the most humid month in Letts?
December is the most humid month in Letts, with an average relative humidity of 82%.
What is the month with the shortest days in Letts?
The month with the shortest days in Letts, Indiana, is December, with an average of 9h and 30min of daylight.
What is the month with the lowest UV index in Letts?
December is the month with the lowest UV index in Letts, with an average maximum UV index of 1.
Average temperature
Letts, IN
The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (34.9°F).
The month with the highest average low temperature is July (65.3°F).
The coldest month (with the lowest average low temperature) is January (22.8°F).
Average pressure
Letts, IN
- Average pressure in January:
30.14"Hg - Average pressure in February:
30.1"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:
30.03"Hg - Average pressure in October:
30.03"Hg - Average pressure in November:
30.14"Hg - Average pressure in December:
30.12"Hg
The months with the highest atmospheric pressure are January and November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed
Letts, IN
- Average wind speed in January:
9.1mph - Average wind speed in February:
9.1mph - Average wind speed in March:
8.8mph - Average wind speed in April:
9mph - Average wind speed in May:
7.2mph - Average wind speed in June:
6.4mph
- Average wind speed in July:
5.4mph - Average wind speed in August:
5.4mph - Average wind speed in September:
6.1mph - Average wind speed in October:
7.6mph - Average wind speed in November:
8.1mph - Average wind speed in December:
8.5mph
The windiest months (with the highest average wind speed) are January and February (9.1mph).
The calmest months (with the lowest average wind speed) are July and August (5.4mph).
Average humidity
Letts, IN
The month with the highest relative humidity is December (82%).
The month with the lowest relative humidity is October (74%).
Average rainfall
Letts, IN
- Average rainfall in January:
1.3" - Average rainfall in February:
1.42" - Average rainfall in March:
1.46" - Average rainfall in April:
1.89" - Average rainfall in May:
2.01" - Average rainfall in June:
1.73"
- Average rainfall in July:
1.81" - Average rainfall in August:
1.38" - Average rainfall in September:
0.98" - Average rainfall in October:
1.46" - Average rainfall in November:
1.3" - Average rainfall in December:
1.26"
The wettest month (with the highest rainfall) is May (2.01").
The driest month (with the least rainfall) is September (0.98").
Average rainfall days
Letts, IN
- Average rainfall days in January:
8 days - Average rainfall days in February:
7.9 days - Average rainfall days in March:
12.1 days - Average rainfall days in April:
14.4 days - Average rainfall days in May:
15.4 days - Average rainfall days in June:
13.2 days
- Average rainfall days in July:
15.1 days - Average rainfall days in August:
12.3 days - Average rainfall days in September:
11.3 days - Average rainfall days in October:
10 days - Average rainfall days in November:
8 days - Average rainfall days in December:
9.9 days
The month with the highest number of rainy days is May (15.4 days).
The month with the least rainy days is February (7.9 days).
Average snowfall
Letts, IN
The month with the highest snowfall is March (1.46").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Letts, IN
- Average snowfall days in January:
7.1 days - Average snowfall days in February:
7.3 days - Average snowfall days in March:
4.6 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:
0.3 days - Average snowfall days in November:
2.6 days - Average snowfall days in December:
6.6 days
The month with the highest number of snowfall days is February (7.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Letts, 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 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 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 0min - Average sunshine in February:
5h and 1min - 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 0min
- 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 month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days
Letts, IN
- Average sunshine days in January:
17 days - Average sunshine days in February:
14.6 days - Average sunshine days in March:
13.9 days - Average sunshine days in April:
13.8 days - Average sunshine days in May:
13.2 days - Average sunshine days in June:
13.4 days
- Average sunshine days in July:
12.4 days - Average sunshine days in August:
15.4 days - Average sunshine days in September:
15.8 days - Average sunshine days in October:
18.7 days - Average sunshine days in November:
19.5 days - Average sunshine days in December:
16.2 days
The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is July (12.4 days).
Average UV index
Letts, IN
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
Letts, IN
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility
Letts, IN
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (6mi).
The month with the lowest visibility is July (5mi).
Letts, Indiana, USA
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