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 in Johnston suggests a modest reduction in the average high-temperature, shifting from a refreshing 60.4°F (15.8°C) in October to a chilly 46.9°F (8.3°C). Nightly temperatures drop to an average low of 32.5°F (0.3°C) in November.Humidity
In Johnston, the average relative humidity in November is 72%.Rainfall
In November, in Johnston, the rain falls for 6.1 days. Throughout November, 0.67" (17mm) of precipitation is accumulated. Throughout the year, there are 114.6 rainfall days, and 15.51" (394mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Johnston, Iowa, during November, snow falls for 2 days and regularly aggregates up to 0.39" (10mm) of snow. Throughout the year, in Johnston, there are 29.6 snowfall days, and 6.77" (172mm) of snow is accumulated.Daylight
In November, the average length of the day is 9h and 51min.On the first day of November in Johnston, Iowa, sunrise is at 7:47 am and sunset at 6:09 pm CDT. On the last day of the month, sunrise is at 7:21 am and sunset at 4:45 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
The average sunshine in November in Johnston, Iowa, is 5.6h.UV index
In Johnston, the average daily maximum UV index in November is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: In November, the maximum UV index of 2 suggests this advice:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Frequently asked questions
What are the temperatures in Johnston in November?
What is the average humidity in November in Johnston?
How much does it rain in Johnston in November?
How many days does it snow in November in Johnston?
What is the average length of the day in November in Johnston?
When is the sunrise / sunset in November in Johnston?
When does Daylight Saving Time (DST) end in November in Johnston?
How long on average sun shines in November in Johnston?
What is the UV index intensity in November in Johnston?
Average temperature in November
Johnston, IA
- Average high temperature in November: 46.9°F
The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (27.9°F).
- Average low temperature in November: 32.5°F
The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is January (14.4°F).
Average pressure in November
Johnston, 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 (29.88"Hg).
Average wind speed in November
Johnston, IA
- Average wind speed in November: 10.1mph
The windiest month (with the highest average wind speed) is April (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).
Average humidity in November
Johnston, IA
- Average humidity in November: 72%
The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is October (70%).
Average rainfall in November
Johnston, IA
- Average rainfall in November: 0.67"
The wettest months (with the highest rainfall) are May and June (2.52").
The driest month (with the least rainfall) is January (0.47").
Average rainfall days in November
Johnston, IA
- Average rainfall days in November: 6.1 days
The month with the highest number of rainy days is May (16.3 days).
The month with the least rainy days is February (3.5 days).
Average snowfall in November
Johnston, IA
- Average snowfall in November: 0.39"
The month with the highest snowfall is January (2.2").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in November
Johnston, IA
- Average snowfall days in November: 2 days
The month with the highest number of snowfall days is January (8.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in November /
Average sunshine in November
Johnston, 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 24min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days in November
Johnston, IA
- Average sunshine days in November: 22 days
The month with the most sunshine days is December (22.8 days).
The month with the least sunshine days is June (11.2 days).
Average UV index in November
Johnston, IA
- Average UV index in November: 2
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in November
Johnston, IA
- Average cloud cover in November: 38
The month with the most cloud cover is January (Cloud cover 53).
The month with the least cloud cover is September (Cloud cover 28).
Average visibility in November
Johnston, IA
- Average visibility in November: 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).
Johnston, Iowa, USA
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