October weather forecastWilliamsburg, IA
October
Weather in October
October, the same as September, in Williamsburg, Iowa, is a moderate autumn month, with temperature in the range of an average low of 44.6°F (7°C) and an average high of 60.1°F (15.6°C).Temperature
October signals a significant shift in the average high-temperature, falling from September's moderately hot 74.8°F (23.8°C) to a refreshing 60.1°F (15.6°C). During October, the temperature is averaged to a low of 44.6°F (7°C) at night.Humidity
The least humid month is October, with an average relative humidity of 72%.Rainfall
In Williamsburg, Iowa, during October, the rain falls for 11 days and regularly aggregates up to 2.2" (56mm) of precipitation. Throughout the year, there are 142 rainfall days, and 29.09" (739mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. October is the first month it typically snows in Williamsburg. Throughout October, in the average 0.5 snowfall days, it receives 0.63" (16mm) of snow. Throughout the year, in Williamsburg, Iowa, there are 35.1 snowfall days, and 15.43" (392mm) of snow is accumulated.Daylight
The average length of the day in October is 11h and 4min.On the first day of October, sunrise is at 7:05 am and sunset at 6:49 pm. On the last day of the month, sunrise is at 7:39 am and sunset at 6:03 pm CDT.
Sunshine
In October, the average sunshine is 5.4h.UV index
In October, the average daily maximum UV index is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for average individuals.Note: A typical high UV index of 2 in October suggests the following recommendations:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Opt for tightly woven and loose clothing to enhance protection from the Sun. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Williamsburg, IA
- Average high temperature in October: 60.1°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 (27.1°F).
- Average low temperature in October: 44.6°F
The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (15.3°F).
Average pressure in October
Williamsburg, IA
- Average pressure in October: 30.01"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in October
Williamsburg, IA
- Average wind speed in October: 9.7mph
The windiest months (with the highest average wind speed) are January and April (10.7mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).
Average humidity in October
Williamsburg, IA
- Average humidity in October: 72%
The months with the highest relative humidity are January and July (84%).
The month with the lowest relative humidity is October (72%).
Average rainfall in October
Williamsburg, IA
- Average rainfall in October: 2.2"
The wettest month (with the highest rainfall) is May (4.33").
The driest month (with the least rainfall) is January (1.18").
Average rainfall days in October
Williamsburg, IA
- Average rainfall days in October: 11 days
The months with the highest number of rainy days are May and June (18.5 days).
The month with the least rainy days is February (4.3 days).
Average snowfall in October
Williamsburg, IA
- Average snowfall in October: 0.63"
The month with the highest snowfall is January (4.8").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in October
Williamsburg, IA
- Average snowfall days in October: 0.5 days
The month with the highest number of snowfall days is January (9.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in October /
Average sunshine in October
Williamsburg, IA
- Average daylight in October: 11h and 6min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in October: 5h and 24min
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 6min).
Average sunshine days in October
Williamsburg, IA
- Average sunshine days in October: 18.5 days
The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is June (9.1 days).
Average UV index in October
Williamsburg, IA
- Average UV index in October: 2
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in October
Williamsburg, 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 August and September (Cloud cover 30).
Average visibility in October
Williamsburg, 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).
