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's arrival witnesses a distinct drop in the average high-temperature, receding from September's warm 77°F (25°C) to a refreshing 58.5°F (14.7°C). The nights of October in Porcupine anticipate an average low-temperature of 41°F (5°C).Humidity
The average relative humidity in October in Porcupine is 57%.Rainfall
In Porcupine, South Dakota, in October, during 7.5 rainfall days, 1.1" (28mm) of precipitation is typically accumulated. In Porcupine, during the entire year, the rain falls for 86.7 days and collects up to 13.66" (347mm) of precipitation.Snowfall
January through May, September through December are months with snowfall. In Porcupine, in October, snow falls for 2 days, with typically accumulated 1.54" (39mm) of snow. In Porcupine, during the entire year, snow falls for 47.4 days and aggregates up to 22.72" (577mm) of snow.Daylight
The average length of the day in October in Porcupine is 11h and 1min.On the first day of the month, sunrise is at 6:47 am and sunset at 6:29 pm. On the last day of October, sunrise is at 7:24 am and sunset at 5:41 pm MDT.
Sunshine
In October, the average sunshine is 7.1h.UV index
In Porcupine, South Dakota, the average daily maximum UV index in October is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the average person.Note: The UV index of 3 during October translates into the following guidance:
Be vigilant - Preventing sunburn is recommended. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Enhance your sun protection with tightly woven, yet airy clothing. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Frequently asked questions
What are October temperatures in Porcupine?
What is the average humidity in October in Porcupine?
How many days does it rain in October in Porcupine?
How many days does it snow in October in Porcupine?
What is the average length of the day in October in Porcupine?
When are sunrise and sunset in October in Porcupine?
How many hours of sunshine does Porcupine have in October?
How high is the UV index in October in Porcupine?
Average temperature in October
Porcupine, SD
- Average high temperature in October: 58.5°F
The warmest month (with the highest average high temperature) is July (87.6°F).
The month with the lowest average high temperature is December (32.4°F).
- Average low temperature in October: 41°F
The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (18.1°F).
Average pressure in October
Porcupine, SD
- Average pressure in October: 29.99"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in October
Porcupine, SD
- Average wind speed in October: 11.4mph
The windiest month (with the highest average wind speed) is April (12.2mph).
The calmest month (with the lowest average wind speed) is August (10.2mph).
Average humidity in October
Porcupine, SD
- Average humidity in October: 57%
The month with the highest relative humidity is January (80%).
The month with the lowest relative humidity is August (48%).
Average rainfall in October
Porcupine, SD
- Average rainfall in October: 1.1"
The wettest month (with the highest rainfall) is May (2.13").
The driest month (with the least rainfall) is January (0.55").
Average rainfall days in October
Porcupine, SD
- Average rainfall days in October: 7.5 days
The month with the highest number of rainy days is May (13.1 days).
The months with the least rainy days are February and December (2.5 days).
Average snowfall in October
Porcupine, SD
- Average snowfall in October: 1.54"
The month with the highest snowfall is February (4.02").
The months with the least snowfall are June, July and August (0").
Average snowfall days in October
Porcupine, SD
- Average snowfall days in October: 2 days
The month with the highest number of snowfall days is February (11.5 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in October /
Average sunshine in October
Porcupine, SD
- Average daylight in October: 11h and 0min
The month with the longest days is June (Average daylight: 15h and 18min).
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 48min).
The month with the least sunshine is February (Average sunshine: 5h and 12min).
Average sunshine days in October
Porcupine, SD
- Average sunshine days in October: 20.9 days
The month with the most sunshine days is September (22.8 days).
The month with the least sunshine days is April (13.2 days).
Average UV index in October
Porcupine, SD
- Average UV index in October: 3
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in October
Porcupine, SD
- Average cloud cover in October: 28
The month with the most cloud cover is February (Cloud cover 44).
The month with the least cloud cover is August (Cloud cover 16).
Average visibility in October
Porcupine, 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).
Porcupine, South Dakota, USA
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