Contents
- Weather in October
- Frequently asked questions
- Average temperature in October
- Average pressure in October
- Average wind speed in October
- Average humidity in October
- Average rainfall in October
- Average rainfall days in October
- Average snowfall in October
- Average snowfall days in October
- Average daylight in October
- Average sunshine in October
- Average sunshine days in October
- Average UV index in October
- Average cloud cover in October
- Average visibility in October
Weather in October
Temperature
In the transition to October, Letts observes a drop in the average high-temperature, moving from a warm 76.3°F (24.6°C) in September to a comfortable 64°F (17.8°C). During the nights in October, an average low-temperature of 47.1°F (8.4°C) is observed.Humidity
October is the least humid month, with an average relative humidity of 74%.Rainfall
In Letts, during October, the rain falls for 10 days and regularly aggregates up to 1.46" (37mm) of precipitation. Throughout the year, there are 137.6 rainfall days, and 17.99" (457mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, October through December. October is the first month it typically snows. Throughout October, in the average 0.3 snowfall days, it receives 0.24" (6mm) of snow. In Letts, during the entire year, snow falls for 29.3 days and aggregates up to 5.35" (136mm) of snow.Daylight
The average length of the day in October is 11h and 10min.On the first day of October in Letts, sunrise is at 7:39 am and sunset at 7:24 pm. On the last day of the month, sunrise is at 8:09 am and sunset at 6:41 pm EDT.
Sunshine
The average sunshine in October is 6.8h.UV index
The average daily maximum UV index in October is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for average individuals.Note: In October, the average maximum UV index of 3 translates into the following recommendations:
Heed the precautions - Suggestions to avoid sunburn are made. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average October temperature?
What is the least humid month?
What is the average humidity in October?
How many days does it rain in October?
When does it start snowing?
What is the average length of the day in October in Letts?
When are sunrise and sunset in October?
How long on average sun shines in October?
What is the UV index intensity in October in Letts?
Average temperature in October
Letts, IN
- Average high temperature in October: 64°F
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).
- Average low temperature in October: 47.1°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 in October
Letts, IN
- Average pressure in October: 30.03"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 in October
Letts, IN
- Average wind speed in October: 7.6mph
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 in October
Letts, IN
- Average humidity in October: 74%
The month with the highest relative humidity is December (82%).
The month with the lowest relative humidity is October (74%).
Average rainfall in October
Letts, IN
- Average rainfall in October: 1.46"
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 in October
Letts, IN
- Average rainfall days in October: 10 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 in October
Letts, IN
- Average snowfall in October: 0.24"
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 in October
Letts, IN
- Average snowfall days in October: 0.3 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 in October /
Average sunshine in October
Letts, IN
- Average daylight in October: 11h and 1min
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 October: 6h and 5min
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 in October
Letts, IN
- Average sunshine days in October: 18.7 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 in October
Letts, IN
- Average UV index in October: 3
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 in October
Letts, IN
- Average cloud cover in October: 36
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 in October
Letts, IN
- Average visibility in October: 6mi
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
Weather forecast for your location
2. Allow the app to use your location