Contents
- Weather in January
- Frequently asked questions
- Average temperature in January
- Average pressure in January
- Average wind speed in January
- Average humidity in January
- Average rainfall in January
- Average rainfall days in January
- Average snowfall in January
- Average snowfall days in January
- Average daylight in January
- Average sunshine in January
- Average sunshine days in January
- Average UV index in January
- Average cloud cover in January
- Average visibility in January
Weather in January
Temperature
Cass witnesses the coldest weather in January, with temperatures averaging a high of 25.5°F (-3.6°C) and a low of 13.5°F (-10.3°C).Humidity
January is the most humid month in Cass, with an average relative humidity of 86%.Rainfall
In Cass, during January, the rain falls for 4.1 days and regularly aggregates up to 1.18" (30mm) of precipitation. In Cass, during the entire year, the rain falls for 137.5 days and collects up to 27.68" (703mm) of precipitation.Snowfall
Months with snowfall in Cass are January through April, October through December. January is the month with the most snowfall in Cass. Snow falls for 11.3 days and accumulates 5.16" (131mm) of snow.Daylight
In Cass, the average length of the day in January is 9h and 31min.On the first day of January, sunrise is at 7:33 am and sunset at 4:43 pm. On the last day of the month, sunrise is at 7:19 am and sunset at 5:17 pm CST.
Sunshine
With an average of 3.8h of sunshine, January has the least sunshine of the year in Cass.UV index
The average daily maximum UV index in January in Cass is 2. A UV Index reading of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The UV index of 2 during January translates into the following guidance:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest time of year in Cass?
How cold is January in Cass?
What is the most humid month in Cass?
What is the average humidity in January in Cass?
How much does it rain in Cass in January?
What is the snowiest month in Cass?
How many days does it snow in January in Cass?
What is the average length of the day in January in Cass?
What time are sunrise and sunset in January in Cass?
What is the month with the least sunshine in Cass?
How long on average sun shines in January in Cass?
How high is the UV index in January in Cass?
Average temperature in January
Cass, IA
- Average high temperature in January: 25.5°F
The warmest month (with the highest average high temperature) is July (80.1°F).
The month with the lowest average high temperature is January (25.5°F).
- Average low temperature in January: 13.5°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (13.5°F).
Average pressure in January
Cass, IA
- Average pressure in January: 30.13"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in January
Cass, IA
- Average wind speed in January: 10.5mph
The windiest month (with the highest average wind speed) is April (10.8mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).
Average humidity in January
Cass, IA
- Average humidity in January: 86%
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is October (74%).
Average rainfall in January
Cass, IA
- Average rainfall in January: 1.18"
The wettest month (with the highest rainfall) is May (4.45").
The driest month (with the least rainfall) is February (1.02").
Average rainfall days in January
Cass, IA
- Average rainfall days in January: 4.1 days
The month with the highest number of rainy days is May (18.2 days).
The month with the least rainy days is January (4.1 days).
Average snowfall in January
Cass, IA
- Average snowfall in January: 5.16"
The month with the highest snowfall is January (5.16").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in January
Cass, IA
- Average snowfall days in January: 11.3 days
The month with the highest number of snowfall days is January (11.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Cass, IA
- Average daylight in January: 9h and 3min
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 January: 3h and 5min
The months with the most sunshine are July and August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in January
Cass, IA
- Average sunshine days in January: 16.5 days
The month with the most sunshine days is December (18.2 days).
The month with the least sunshine days is May (10.9 days).
Average UV index in January
Cass, IA
- Average UV index in January: 2
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in January
Cass, IA
- Average cloud cover in January: 59
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in January
Cass, IA
- Average visibility in January: 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).
Cass, Iowa, USA
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