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
The onset of November entails a temperature shift, as the average high-temperature decreases from a moderate 59.9°F (15.5°C) in October to a chilly 45.9°F (7.7°C). An average temperature of 32.5°F (0.3°C) marks the nights in November.Humidity
The average relative humidity in November is 71%.Rainfall
In Herndon, in November, during 6.9 rainfall days, 1.14" (29mm) of precipitation is typically accumulated. Throughout the year, there are 125.7 rainfall days, and 26.5" (673mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Herndon. In November, in Herndon, it is snowing for 3.4 days. Throughout November, 1.34" (34mm) of snow is accumulated. In Herndon, Iowa, during the entire year, snow falls for 38.1 days and aggregates up to 15.31" (389mm) of snow.Daylight
In November, the average length of the day is 9h and 50min.On the first day of the month, sunrise is at 7:50 am and sunset at 6:11 pm CDT. On the last day of November, sunrise is at 7:25 am and sunset at 4:47 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 Herndon, the average sunshine in November is 5.6h.UV index
January, February, October through December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for the average person.Note: In November, the maximum UV index of 2 translates into these guidelines:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average November temperature?
What is the average humidity in November?
How many days does it rain in November?
How much does it snow in November?
How many hours of daylight does Herndon have in November?
What time are sunrise and sunset in November?
When does Daylight Saving Time (DST) end in November?
How many hours of sunshine does Herndon have in November?
What is the month with the lowest UV index?
What is the UV index reading in November?
Average temperature in November
Herndon, IA
- Average high temperature in November: 45.9°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (26.8°F).
- Average low temperature in November: 32.5°F
The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (13.5°F).
Average pressure in November
Herndon, IA
- Average pressure in November: 30.08"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in November
Herndon, IA
- Average wind speed in November: 10.4mph
The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest months (with the lowest average wind speed) are July and August (7.1mph).
Average humidity in November
Herndon, IA
- Average humidity in November: 71%
The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is October (69%).
Average rainfall in November
Herndon, IA
- Average rainfall in November: 1.14"
The wettest month (with the highest rainfall) is May (4.06").
The driest month (with the least rainfall) is January (0.87").
Average rainfall days in November
Herndon, IA
- Average rainfall days in November: 6.9 days
The month with the highest number of rainy days is June (17.3 days).
The month with the least rainy days is February (3.4 days).
Average snowfall in November
Herndon, IA
- Average snowfall in November: 1.34"
The month with the highest snowfall is January (4.29").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in November
Herndon, IA
- Average snowfall days in November: 3.4 days
The month with the highest number of snowfall days is January (9.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in November /
Average sunshine in November
Herndon, IA
- Average daylight in November: 9h and 5min
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 November: 5h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in November
Herndon, IA
- Average sunshine days in November: 19.4 days
The month with the most sunshine days is November (19.4 days).
The month with the least sunshine days is June (11.1 days).
Average UV index in November
Herndon, IA
- Average UV index in November: 2
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, October, November and December (UV index 2).
Average cloud cover in November
Herndon, IA
- Average cloud cover in November: 38
The month with the most cloud cover is January (Cloud cover 55).
The months with the least cloud cover are July and September (Cloud cover 30).
Average visibility in November
Herndon, IA
- Average visibility in November: 6mi
The months with the highest visibility are February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, July and August (5mi).
Herndon, Iowa, USA
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