Contents
- Weather in November
- Frequently asked questions
- Average temperature in November
- Average pressure in November
- Average wind speed in November
- Average humidity in November
- Average rainfall in November
- Average rainfall days in November
- Average snowfall in November
- Average snowfall days in November
- Average daylight in November
- Average sunshine in November
- Average sunshine days in November
- Average UV index in November
- Average cloud cover in November
- Average visibility in November
Weather in November
Temperature
November's arrival corresponds with a decrease in average high-temperatures, from October's refreshing 61.9°F (16.6°C) to a frosty 49.1°F (9.5°C). Throughout the month of November, Siam witnesses an average temperature of 33.4°F (0.8°C).Humidity
The average relative humidity in November is 71%.Rainfall
In Siam, in November, during 5.5 rainfall days, 0.83" (21mm) of precipitation is typically accumulated. Throughout the year, there are 114.9 rainfall days, and 18.39" (467mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, October through December. In Siam, in November, during 1.1 snowfall days, 0.43" (11mm) of snow is typically accumulated. In Siam, during the entire year, snow falls for 25.2 days and aggregates up to 7.4" (188mm) of snow.Daylight
In Siam, the average length of the day in November is 9h and 56min.On the first day of the month, sunrise is at 7:50 am and sunset at 6:15 pm CDT. On the last day of November, sunrise is at 7:23 am and sunset at 4:53 pm CST.
Note: On Sunday, November 3. 2024, at 2:00 am, Daylight Saving Time ends, and the time zone changes from CDT to CST. Daylight Saving Time starts again on Sunday, March 9. 2025, at 2:00 am; consequently, the time zone reverts from CST to CDT.
Sunshine
In November, the average sunshine is 5.8h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for the average person.Note: The maximum UV index of 2 during November leads to these instructions:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in November?
What is the average humidity in November?
How much does it rain in November?
How much does it snow in November?
What is the average length of the day in November?
When is the sunrise / sunset in November?
When does Daylight Saving Time (DST) end in November?
How many hours of sunshine does Siam have in November?
What is the month with the lowest UV index?
What is the UV index intensity in November?
Average temperature in November
Siam, IA
- Average high temperature in November: 49.1°F
The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (31.1°F).
- Average low temperature in November: 33.4°F
The month with the highest average low temperature is July (66.6°F).
The coldest month (with the lowest average low temperature) is January (17.2°F).
Average pressure in November
Siam, IA
- Average pressure in November: 30.09"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in November
Siam, IA
- Average wind speed in November: 9.8mph
The windiest month (with the highest average wind speed) is March (10.3mph).
The calmest month (with the lowest average wind speed) is July (6.7mph).
Average humidity in November
Siam, IA
- Average humidity in November: 71%
The month with the highest relative humidity is January (80%).
The month with the lowest relative humidity is October (69%).
Average rainfall in November
Siam, IA
- Average rainfall in November: 0.83"
The wettest month (with the highest rainfall) is June (3.39").
The driest month (with the least rainfall) is February (0.43").
Average rainfall days in November
Siam, IA
- Average rainfall days in November: 5.5 days
The month with the highest number of rainy days is May (16.7 days).
The month with the least rainy days is February (3.4 days).
Average snowfall in November
Siam, IA
- Average snowfall in November: 0.43"
The month with the highest snowfall is January (2.17").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in November
Siam, IA
- Average snowfall days in November: 1.1 days
The month with the highest number of snowfall days is January (7.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in November /
Average sunshine in November
Siam, IA
- Average daylight in November: 9h and 5min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in November: 5h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).
Average sunshine days in November
Siam, IA
- Average sunshine days in November: 22.5 days
The month with the most sunshine days is November (22.5 days).
The month with the least sunshine days is June (12.3 days).
Average UV index in November
Siam, IA
- Average UV index in November: 2
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in November
Siam, IA
- Average cloud cover in November: 34
The month with the most cloud cover is January (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 27).
Average visibility in November
Siam, IA
- Average visibility in November: 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).
Siam, Iowa, USA
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