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 signals a distinct temperature shift, dropping from a warm 76.1°F (24.5°C) in September to a moderate 59.4°F (15.2°C). October nights in Napa Junction observe an average temperature dip to a cold 42.6°F (5.9°C).Humidity
With an average relative humidity of 64%, October is the least humid month.Rainfall
In October, in Napa Junction, South Dakota, the rain falls for 9.3 days. Throughout October, 1.73" (44mm) of precipitation is accumulated. In Napa Junction, during the entire year, the rain falls for 117.9 days and collects up to 21.93" (557mm) of precipitation.Snowfall
Months with snowfall in Napa Junction are January through May, October through December. October is the first month it typically snows in Napa Junction. Throughout October, in the average 0.8 snowfall days, it receives 0.39" (10mm) of snow. In Napa Junction, during the entire year, snow falls for 37.4 days and aggregates up to 14.45" (367mm) of snow.Daylight
In October, the average length of the day is 11h and 1min.On the first day of October, sunrise is at 7:27 am and sunset at 7:10 pm. On the last day of the month, sunrise is at 8:03 am and sunset at 6:22 pm CDT.
Sunshine
In October, the average sunshine in Napa Junction is 6.4h.UV index
In Napa Junction, South Dakota, the average daily maximum UV index in October is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.Note: A daily high UV index of 3 in October leads to these guidelines:
Ensure safety - Recommendations to avert sunburn are presented. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Frequently asked questions
What are the temperatures in Napa Junction in October?
What is the least humid month in Napa Junction?
What is the average humidity in October in Napa Junction?
How much does it rain in Napa Junction in October?
When does it start to snow in Napa Junction?
How many hours of daylight does Napa Junction have in October?
When are sunrise and sunset in October in Napa Junction?
How many hours of sunshine does Napa Junction have in October?
How high is the UV index in October in Napa Junction?
Average temperature in October
Napa Junction, SD
- Average high temperature in October: 59.4°F
The warmest month (with the highest average high temperature) is July (84.9°F).
The month with the lowest average high temperature is January (26.8°F).
- Average low temperature in October: 42.6°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (12.9°F).
Average pressure in October
Napa Junction, SD
- Average pressure in October: 29.99"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in October
Napa Junction, SD
- Average wind speed in October: 10.3mph
The windiest month (with the highest average wind speed) is April (11.1mph).
The calmest month (with the lowest average wind speed) is July (7.9mph).
Average humidity in October
Napa Junction, SD
- Average humidity in October: 64%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is October (64%).
Average rainfall in October
Napa Junction, SD
- Average rainfall in October: 1.73"
The wettest month (with the highest rainfall) is May (3.78").
The driest month (with the least rainfall) is February (0.59").
Average rainfall days in October
Napa Junction, SD
- Average rainfall days in October: 9.3 days
The month with the highest number of rainy days is June (17.4 days).
The month with the least rainy days is February (2.3 days).
Average snowfall in October
Napa Junction, SD
- Average snowfall in October: 0.39"
The month with the highest snowfall is December (2.95").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in October
Napa Junction, SD
- Average snowfall days in October: 0.8 days
The month with the highest number of snowfall days is January (9.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in October /
Average sunshine in October
Napa Junction, 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 6min).
- Average sunshine in October: 6h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).
Average sunshine days in October
Napa Junction, SD
- Average sunshine days in October: 19.5 days
The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is June (9.3 days).
Average UV index in October
Napa Junction, SD
- 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 January (UV index 1).
Average cloud cover in October
Napa Junction, SD
- Average cloud cover in October: 32
The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is July (Cloud cover 25).
Average visibility in October
Napa Junction, 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).
Napa Junction, South Dakota, USA
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