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
Riverside's coldest temperatures are experienced in January, with average high temperatures of 28.4°F (-2°C) and lows of 16.2°F (-8.8°C).Humidity
The months with the highest humidity in Riverside, Iowa, are January and July, with an average relative humidity of 83%.Rainfall
The month with the least rainfall in Riverside is January, when the rain falls for 5.4 days and typically collects 1.26" (32mm) of precipitation.Snowfall
Months with snowfall are January through April, October through December. In January, in Riverside, it is snowing for 9.8 days. Throughout January, 4.29" (109mm) of snow is accumulated. Throughout the year, there are 34.4 snowfall days, and 14.61" (371mm) of snow is accumulated.Daylight
In January, the average length of the day in Riverside is 9h and 35min.On the first day of the month, sunrise is at 7:32 am and sunset at 4:46 pm. On the last day of January, in Riverside, sunrise is at 7:18 am and sunset at 5:20 pm CST.
Sunshine
January has the least sunshine of the year in Riverside, Iowa, with an average of 4.1h of sunshine.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index in Riverside, Iowa. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for average individuals.Note: In January, the UV index of 1 transforms into the following advice:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the coldest months in Riverside?
How cold is January in Riverside?
What are the most humid months in Riverside?
What is the average humidity in January in Riverside?
What is the driest month in Riverside?
How much does it rain in Riverside in January?
How many days does it snow in January in Riverside?
How many hours of daylight does Riverside have in January?
What time are sunrise and sunset in January in Riverside?
What is the month with the least sunshine in Riverside?
How long on average sun shines in January in Riverside?
What is the month with the lowest UV index in Riverside?
What is the UV index reading in January in Riverside?
Average temperature in January
Riverside, IA
- Average high temperature in January: 28.4°F
The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (28.4°F).
- Average low temperature in January: 16.2°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 (16.2°F).
Average pressure in January
Riverside, IA
- Average pressure in January: 30.14"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in January
Riverside, IA
- Average wind speed in January: 10.7mph
The windiest month (with the highest average wind speed) is January (10.7mph).
The calmest months (with the lowest average wind speed) are July and August (6.9mph).
Average humidity in January
Riverside, IA
- Average humidity in January: 83%
The months with the highest relative humidity are January and July (83%).
The month with the lowest relative humidity is October (71%).
Average rainfall in January
Riverside, IA
- Average rainfall in January: 1.26"
The wettest month (with the highest rainfall) is May (4.45").
The driest month (with the least rainfall) is January (1.26").
Average rainfall days in January
Riverside, IA
- Average rainfall days in January: 5.4 days
The month with the highest number of rainy days is May (19.2 days).
The month with the least rainy days is February (4.8 days).
Average snowfall in January
Riverside, IA
- Average snowfall in January: 4.29"
The month with the highest snowfall is February (4.57").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in January
Riverside, IA
- Average snowfall days in January: 9.8 days
The month with the highest number of snowfall days is January (9.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Riverside, IA
- Average daylight in January: 9h and 4min
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 January: 4h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in January
Riverside, IA
- Average sunshine days in January: 17.6 days
The month with the most sunshine days is November (18.2 days).
The month with the least sunshine days is June (9.3 days).
Average UV index in January
Riverside, IA
- Average UV index in January: 1
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in January
Riverside, IA
- Average cloud cover in January: 55
The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in January
Riverside, 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).
Riverside, Iowa, USA
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