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
The changeover to October signals a significant decrease in the average high-temperature, dropping from a warm 76.3°F (24.6°C) in September to an enjoyable 61.7°F (16.5°C). During the nights in October, Salem experiences a consistent average temperature of 45.7°F (7.6°C).Humidity
October is the least humid month in Salem, with an average relative humidity of 71%.Rainfall
In Salem, in October, it is raining for 11.3 days, with typically 2.4" (61mm) of accumulated precipitation. Throughout the year, in Salem, there are 140.1 rainfall days, and 29.92" (760mm) 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 0.4 snowfall days, it receives 0.51" (13mm) of snow. Throughout the year, in Salem, there are 30.7 snowfall days, and 15" (381mm) of snow is accumulated.Daylight
The average length of the day in October is 11h and 6min.On the first day of the month, sunrise is at 7:03 am and sunset at 6:47 pm. On the last day of October, in Salem, sunrise is at 7:36 am and sunset at 6:03 pm CDT.
Sunshine
In October, the average sunshine is 5.4h.UV index
In Salem, the average daily maximum UV index in October is 2. A UV Index estimate of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for the average person.Note: The maximum daily UV index of 2 during October translates into the following directions:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are October temperatures in Salem?
What is the least humid month in Salem?
What is the average humidity in October in Salem?
How much does it rain in Salem in October?
When does it start snowing in Salem?
How many hours of daylight does Salem have in October?
When is the sunrise / sunset in October in Salem?
How many hours of sunshine does Salem have in October?
What is the UV index reading in October in Salem?
Average temperature in October
Salem, IA
- Average high temperature in October: 61.7°F
The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (29.7°F).
- Average low temperature in October: 45.7°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 (17.4°F).
Average pressure in October
Salem, 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 (29.9"Hg).
Average wind speed in October
Salem, IA
- Average wind speed in October: 9.6mph
The windiest month (with the highest average wind speed) is January (10.7mph).
The calmest months (with the lowest average wind speed) are July and August (6.9mph).
Average humidity in October
Salem, IA
- Average humidity in October: 71%
The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is October (71%).
Average rainfall in October
Salem, IA
- Average rainfall in October: 2.4"
The wettest month (with the highest rainfall) is May (4.29").
The driest months (with the least rainfall) are February and December (1.38").
Average rainfall days in October
Salem, IA
- Average rainfall days in October: 11.3 days
The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is February (4.6 days).
Average snowfall in October
Salem, IA
- Average snowfall in October: 0.51"
The month with the highest snowfall is January (4.76").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in October
Salem, IA
- Average snowfall days in October: 0.4 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 in October /
Average sunshine in October
Salem, 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 2min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in October
Salem, IA
- Average sunshine days in October: 18.4 days
The month with the most sunshine days is October (18.4 days).
The month with the least sunshine days is May (10.6 days).
Average UV index in October
Salem, IA
- Average UV index in October: 2
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in October
Salem, IA
- Average cloud cover in October: 38
The month with the most cloud cover is January (Cloud cover 56).
The months with the least cloud cover are July, August and September (Cloud cover 31).
Average visibility in October
Salem, 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).
Salem, Iowa, USA
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