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
October shows a mild decline in the average high-temperature, falling from September's warm 75.2°F (24°C) to a refreshing 61.3°F (16.3°C). Delta observes an average nighttime low-temperature of 44.8°F (7.1°C) during the month of October.Humidity
The least humid month in Delta is October, with an average relative humidity of 72%.Rainfall
In Delta, in October, during 11.3 rainfall days, 2.2" (56mm) of precipitation is typically accumulated. In Delta, during the entire year, the rain falls for 137.9 days and collects up to 27.76" (705mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. October is the first month it typically snows in Delta, Iowa. Throughout October, in the average 0.5 snowfall days, it receives 0.47" (12mm) of snow. In Delta, during the entire year, snow falls for 32.8 days and aggregates up to 12.56" (319mm) of snow.Daylight
In October, the average length of the day is 11h and 5min.On the first day of October in Delta, sunrise is at 7:06 am and sunset at 6:50 pm. On the last day of the month, sunrise is at 7:40 am and sunset at 6:05 pm CDT.
Sunshine
The average sunshine in October is 5.6h.UV index
January, February, October through December, with an average maximum UV index of 2, are months with the lowest UV index in Delta, Iowa. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for the average person.Note: The UV index of 2 during October translates into the following guidance:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Frequently asked questions
What are October temperatures in Delta?
What is the least humid month in Delta?
What is the average humidity in October in Delta?
How much does it rain in Delta in October?
When does it start snowing in Delta?
How many hours of daylight does Delta have in October?
When are sunrise and sunset in October in Delta?
How many hours of sunshine does Delta have in October?
When is the lowest UV index in Delta?
What is the UV index intensity in October in Delta?
Average temperature in October
Delta, IA
- Average high temperature in October: 61.3°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (28.6°F).
- Average low temperature in October: 44.8°F
The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is January (15.6°F).
Average pressure in October
Delta, IA
- Average pressure in October: 30.01"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in October
Delta, IA
- Average wind speed in October: 9.6mph
The windiest month (with the highest average wind speed) is January (10.7mph).
The calmest month (with the lowest average wind speed) is August (6.9mph).
Average humidity in October
Delta, IA
- Average humidity in October: 72%
The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is October (72%).
Average rainfall in October
Delta, IA
- Average rainfall in October: 2.2"
The wettest month (with the highest rainfall) is May (4.17").
The driest month (with the least rainfall) is February (0.98").
Average rainfall days in October
Delta, IA
- Average rainfall days in October: 11.3 days
The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is February (4.9 days).
Average snowfall in October
Delta, IA
- Average snowfall in October: 0.47"
The month with the highest snowfall is January (4.06").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in October
Delta, IA
- Average snowfall days in October: 0.5 days
The month with the highest number of snowfall days is January (9.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in October /
Average sunshine in October
Delta, IA
- Average daylight in October: 11h and 1min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in October: 5h and 4min
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 12min).
Average sunshine days in October
Delta, IA
- Average sunshine days in October: 17.9 days
The month with the most sunshine days is December (19.1 days).
The month with the least sunshine days is June (10.3 days).
Average UV index in October
Delta, IA
- Average UV index in October: 2
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, October, November and December (UV index 2).
Average cloud cover in October
Delta, IA
- Average cloud cover in October: 37
The month with the most cloud cover is January (Cloud cover 55).
The months with the least cloud cover are August and September (Cloud cover 29).
Average visibility in October
Delta, IA
- 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).
Delta, Iowa, USA
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