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
As October arrives, a noticeable drop in the average high-temperature is witnessed, moving from a moderately hot 77.5°F (25.3°C) in September to a refreshing 59.2°F (15.1°C). Throughout October, Norris witnesses a nighttime temperature average of 43°F (6.1°C).Humidity
In October, the average relative humidity is 56%.Rainfall
In Norris, during October, the rain falls for 7.2 days and regularly aggregates up to 1.14" (29mm) of precipitation. In Norris, during the entire year, the rain falls for 95.3 days and collects up to 13.74" (349mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Norris, South Dakota. October is the first month it typically snows in Norris. Throughout October, in the average 1.5 snowfall days, it receives 0.71" (18mm) of snow. In Norris, during the entire year, snow falls for 38.8 days and aggregates up to 16.1" (409mm) of snow.Daylight
In Norris, the average length of the day in October is 11h and 0min.On the first day of October in Norris, sunrise is at 7:43 am and sunset at 7:25 pm. On the last day of the month, sunrise is at 8:19 am and sunset at 6:36 pm CDT.
Sunshine
In Norris, the average sunshine in October is 7.2h.UV index
In October, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum UV index of 3 during October translates into these guidelines:
Take necessary precautions - Protection from skin and eye injury is mandatory. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. During bright days, sunglasses that offer UVA and UVB defense are recommended. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Frequently asked questions
What are the temperatures in Norris in October?
What is the average humidity in October in Norris?
How many days does it rain in October in Norris?
When does it start snowing in Norris?
What is the average length of the day in October in Norris?
When are sunrise and sunset in October in Norris?
How many hours of sunshine does Norris have in October?
What is the UV index intensity in October in Norris?
Average temperature in October
Norris, SD
- Average high temperature in October: 59.2°F
The warmest month (with the highest average high temperature) is July (89.2°F).
The month with the lowest average high temperature is January (29.8°F).
- Average low temperature in October: 43°F
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (16.7°F).
Average pressure in October
Norris, SD
- Average pressure in October: 29.99"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in October
Norris, SD
- Average wind speed in October: 11.5mph
The windiest month (with the highest average wind speed) is April (12.1mph).
The calmest month (with the lowest average wind speed) is February (10.1mph).
Average humidity in October
Norris, SD
- Average humidity in October: 56%
The month with the highest relative humidity is January (81%).
The month with the lowest relative humidity is September (47%).
Average rainfall in October
Norris, SD
- Average rainfall in October: 1.14"
The wettest month (with the highest rainfall) is May (2.09").
The driest month (with the least rainfall) is January (0.39").
Average rainfall days in October
Norris, SD
- Average rainfall days in October: 7.2 days
The month with the highest number of rainy days is May (13.5 days).
The month with the least rainy days is February (2.6 days).
Average snowfall in October
Norris, SD
- Average snowfall in October: 0.71"
The month with the highest snowfall is February (3.15").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in October
Norris, SD
- Average snowfall days in October: 1.5 days
The month with the highest number of snowfall days is February (8.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in October /
Average sunshine in October
Norris, SD
- Average daylight in October: 11h and 0min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in October: 7h and 1min
The month with the most sunshine is August (Average sunshine: 11h and 42min).
The months with the least sunshine are January and February (Average sunshine: 5h and 12min).
Average sunshine days in October
Norris, SD
- Average sunshine days in October: 20.4 days
The month with the most sunshine days is December (21.1 days).
The months with the least sunshine days are April and June (14.1 days).
Average UV index in October
Norris, SD
- Average UV index in October: 3
The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in October
Norris, SD
- Average cloud cover in October: 29
The month with the most cloud cover is January (Cloud cover 46).
The months with the least cloud cover are July and August (Cloud cover 18).
Average visibility in October
Norris, SD
- Average visibility in October: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Norris, South Dakota, USA
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