Climate and monthly weather forecastLetts Corner, IN
Climate and monthly weather forecast
Weather in January
January, like December, in Letts Corner, Indiana, is another cold winter month, with an average temperature fluctuating between 34.9°F (1.6°C) and 22.8°F (-5.1°C). The coldest month is January, with an average high-temperature of 34.9°F (1.6°C) and an average low-temperature of 22.8°F (-5.1°C). Weather in January »Weather in February
The last month of the winter, February, is also an icy month in Letts Corner, Indiana, with an average temperature varying between 39.9°F (4.4°C) and 26.1°F (-3.3°C). With February's arrival, Letts Corner notes an average high-temperature of a still icy 39.9°F (4.4°C), closely following the trend of the preceding month. Weather in February »Weather in March
The first month of the spring, March, is a fresh month in Letts Corner, Indiana, with an average temperature ranging between min 35.4°F (1.9°C) and max 50.9°F (10.5°C). In March, the meteorological conditions change with the average high-temperature moving from a wintry 39.9°F (4.4°C) in February to a fresh 50.9°F (10.5°C). Weather in March »Weather in April
April in Letts Corner, Indiana, is an enjoyable spring month, with an average temperature fluctuating between 45.7°F (7.6°C) and 63°F (17.2°C). April's onset brings a temperature rise, moving from a fresh 50.9°F (10.5°C) in March to a refreshing 63°F (17.2°C). Weather in April »Weather in May
The last month of the spring, May, is a pleasant month in Letts Corner, Indiana, with an average temperature ranging between min 55.9°F (13.3°C) and max 72.9°F (22.7°C). The rise of average high-temperatures is seen in May, with an increase from a comfortable 63°F (17.2°C) in April to an agreeable 72.9°F (22.7°C). Weather in May »Weather in June
The first month of the summer, June, is a moderately hot month in Letts Corner, Indiana, with temperature in the range of an average low of 62.8°F (17.1°C) and an average high of 80.2°F (26.8°C). The transition from May to June brings a subtle temperature rise, with average high-temperatures increasing from a pleasant 72.9°F (22.7°C) to a warm 80.2°F (26.8°C). Weather in June »Weather in July
July, like June, in Letts Corner, Indiana, is another warm summer month, with temperature in the range of an average high of 83.1°F (28.4°C) and an average low of 65.3°F (18.5°C). Letts Corner reaches its highest average temperatures in July, measuring 83.1°F (28.4°C) at the peak and 65.3°F (18.5°C) at the lowest. Throughout July, the heat index is estimated at a hot 91.4°F (33°C). Weather in July »Weather in August
August, the last month of the summer in Letts Corner, is also a moderately hot month, with an average temperature fluctuating between 63.5°F (17.5°C) and 82°F (27.8°C). The introduction of August sees an average high-temperature of a still moderately hot 82°F (27.8°C), hardly deviating from July. Weather in August »Weather in September
The first month of the autumn, September, is still a warm month in Letts Corner, Indiana, with an average temperature ranging between min 58.3°F (14.6°C) and max 76.3°F (24.6°C). As August shifts into September, a minor alteration in temperatures is observed, with average highs reducing from 82°F (27.8°C) to a still warm 76.3°F (24.6°C). Weather in September »Weather in October
October, the same as September, is another enjoyable autumn month in Letts Corner, Indiana, with temperature in the range of an average low of 47.1°F (8.4°C) and an average high of 64°F (17.8°C). October implies a gentle temperature shift, with average high-temperatures reducing from September's warm 76.3°F (24.6°C) to an enjoyable 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 Corner, 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). In Letts Corner, the beginning of November is marked by a lowered average high-temperature, shifting from October's enjoyable 64°F (17.8°C) to a cool 50.9°F (10.5°C). Weather in November »Weather in December
December, the first month of the winter in Letts Corner, is also an icy month, with an average temperature varying between 40.6°F (4.8°C) and 29.5°F (-1.4°C). In December, the meteorological conditions alter, with the average high-temperature shifting from a fresh 50.9°F (10.5°C) in November to a wintry 40.6°F (4.8°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Letts Corner, 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 Corner, 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 Corner, 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 Corner, IN
The month with the highest relative humidity is December (82%).
The month with the lowest relative humidity is October (74%).
Average rainfall
Letts Corner, 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 Corner, 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 Corner, 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 Corner, 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 Corner, IN
- Average daylight in January:
9h and 48min - Average daylight in February:
10h and 48min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 18min - Average daylight in May:
14h and 18min - Average daylight in June:
14h and 54min
- Average daylight in July:
14h and 36min - Average daylight in August:
13h and 42min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 12min - Average daylight in November:
10h and 0min - Average daylight in December:
9h and 30min
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 12min - Average sunshine in March:
6h and 6min - Average sunshine in April:
7h and 18min - Average sunshine in May:
8h and 48min - Average sunshine in June:
10h and 0min
- Average sunshine in July:
10h and 18min - Average sunshine in August:
9h and 36min - Average sunshine in September:
8h and 18min - Average sunshine in October:
6h and 48min - Average sunshine in November:
5h and 24min - Average sunshine in December:
4h and 6min
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 Corner, 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 Corner, 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 Corner, 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 Corner, 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).





