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 start of November comes with a reduction in the average high-temperature, receding from a moderate 59.7°F (15.4°C) in October to a chilly 46.2°F (7.9°C). Portsmouth experiences a consistent average temperature of 32.2°F (0.1°C) throughout the nights in November.Humidity
In November, the average relative humidity is 71%.Rainfall
In November, in Portsmouth, the rain falls for 5.5 days. Throughout November, 0.55" (14mm) of precipitation is accumulated. In Portsmouth, during the entire year, the rain falls for 113.5 days and collects up to 15.71" (399mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In Portsmouth, in November, snow falls for 3 days, with typically accumulated 0.51" (13mm) of snow. In Portsmouth, during the entire year, snow falls for 31.5 days and aggregates up to 7.13" (181mm) of snow.Daylight
In Portsmouth, the average length of the day in November is 9h and 51min.On the first day of November, sunrise is at 7:55 am and sunset at 6:16 pm CDT. On the last day of the month, sunrise is at 7:29 am and sunset at 4:52 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 Portsmouth, the average sunshine in November is 5.8h.UV index
The months with the lowest UV index are January, February, October through December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low health risk from unsafe exposure to UV radiation for ordinary individuals.Note: The daily high UV index of 2 in November translates into this advice:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. When the Sun is at its strongest around midday, find shade and limit exposure. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Portsmouth in November?
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 Portsmouth have in November?
When are sunrise and sunset in November?
When does Daylight Saving Time (DST) end in November?
How many hours of sunshine does Portsmouth have in November?
When is the lowest UV index?
How high is the UV index in November?
Average temperature in November
Portsmouth, IA
- Average high temperature in November: 46.2°F
The warmest month (with the highest average high temperature) is July (82.6°F).
The month with the lowest average high temperature is January (27.3°F).
- Average low temperature in November: 32.2°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 (14.5°F).
Average pressure in November
Portsmouth, 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 (29.87"Hg).
Average wind speed in November
Portsmouth, IA
- Average wind speed in November: 10.4mph
The windiest month (with the highest average wind speed) is April (10.9mph).
The calmest month (with the lowest average wind speed) is July (7.2mph).
Average humidity in November
Portsmouth, IA
- Average humidity in November: 71%
The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is October (68%).
Average rainfall in November
Portsmouth, IA
- Average rainfall in November: 0.55"
The wettest month (with the highest rainfall) is June (2.64").
The driest month (with the least rainfall) is January (0.43").
Average rainfall days in November
Portsmouth, IA
- Average rainfall days in November: 5.5 days
The month with the highest number of rainy days is June (16.1 days).
The month with the least rainy days is February (2.8 days).
Average snowfall in November
Portsmouth, IA
- Average snowfall in November: 0.51"
The month with the highest snowfall is February (2.09").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in November
Portsmouth, IA
- Average snowfall days in November: 3 days
The month with the highest number of snowfall days is January (8.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in November /
Average sunshine in November
Portsmouth, IA
- Average daylight in November: 9h and 5min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- 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 30min).
Average sunshine days in November
Portsmouth, IA
- Average sunshine days in November: 21.3 days
The month with the most sunshine days is December (21.6 days).
The month with the least sunshine days is June (11.4 days).
Average UV index in November
Portsmouth, 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, October, November and December (UV index 2).
Average cloud cover in November
Portsmouth, IA
- Average cloud cover in November: 36
The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is July (Cloud cover 27).
Average visibility in November
Portsmouth, 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).
Portsmouth, Iowa, USA
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