October weather forecastHammer, SD
October
Weather in October
October, the same as September, is a cool autumn month in Hammer, South Dakota, with an average temperature varying between 40.1°F (4.5°C) and 54.9°F (12.7°C).Temperature
Hammer sees a considerable decrease in average high-temperatures during October, falling from a pleasant 72°F (22.2°C) in September to a fresh 54.9°F (12.7°C). During October nights, Hammer witnesses a consistent average temperature of 40.1°F (4.5°C).Humidity
The average relative humidity in October is 67%.Rainfall
In October, the rain falls for 8.9 days. Throughout October, 2.13" (54mm) of precipitation is accumulated. In Hammer, during the entire year, the rain falls for 107.9 days and collects up to 20.63" (524mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. October is the first month it typically snows in Hammer. Throughout October, in the average 1.4 snowfall days, it receives 0.35" (9mm) of snow. In Hammer, during the entire year, snow falls for 53.2 days and aggregates up to 20.12" (511mm) of snow.Daylight
In Hammer, the average length of the day in October is 10h and 55min.On the first day of the month, sunrise is at 7:27 am and sunset at 7:07 pm. On the last day of October, sunrise is at 8:07 am and sunset at 6:15 pm CDT.
Sunshine
In Hammer, the average sunshine in October is 5.9h.UV index
The average daily maximum UV index in October is 2. A UV Index of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for the average person.Note: The UV index of 2 during October leads to these advisories:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Hammer, SD
- Average high temperature in October: 54.9°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (19°F).
- Average low temperature in October: 40.1°F
The month with the highest average low temperature is July (61.7°F).
The coldest month (with the lowest average low temperature) is January (5.4°F).
Average pressure in October
Hammer, SD
- Average pressure in October: 29.97"Hg
The month with the highest atmospheric pressure is February (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed in October
Hammer, SD
- Average wind speed in October: 10.9mph
The windiest months (with the highest average wind speed) are April and October (10.9mph).
The calmest months (with the lowest average wind speed) are July and August (8.3mph).
Average humidity in October
Hammer, SD
- Average humidity in October: 67%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is September (65%).
Average rainfall in October
Hammer, SD
- Average rainfall in October: 2.13"
The wettest month (with the highest rainfall) is July (3.27").
The driest month (with the least rainfall) is January (0.55").
Average rainfall days in October
Hammer, SD
- Average rainfall days in October: 8.9 days
The month with the highest number of rainy days is June (17.6 days).
The month with the least rainy days is February (1.6 days).
Average snowfall in October
Hammer, SD
- Average snowfall in October: 0.35"
The month with the highest snowfall is December (4.29").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in October
Hammer, SD
- Average snowfall days in October: 1.4 days
The month with the highest number of snowfall days is December (11.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in October /
Average sunshine in October
Hammer, SD
- Average daylight in October: 10h and 54min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in October: 5h and 54min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in October
Hammer, SD
- Average sunshine days in October: 19.1 days
The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is June (10.8 days).
Average UV index in October
Hammer, SD
- Average UV index in October: 2
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in October
Hammer, SD
- Average cloud cover in October: 38
The month with the most cloud cover is January (Cloud cover 60).
The months with the least cloud cover are July and August (Cloud cover 25).
Average visibility in October
Hammer, SD
- Average visibility in October: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
