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 month, January, generally records average temperatures ranging from a high of 37.8°F (3.2°C) to a low of 25.5°F (-3.6°C).Humidity
In Riverside, the average relative humidity in January is 74%.Rainfall
In January, in Riverside, the rain falls for 8.9 days. Throughout January, 1.77" (45mm) of precipitation is accumulated. In Riverside, during the entire year, the rain falls for 153.2 days and collects up to 27.72" (704mm) of precipitation.Snowfall
Months with snowfall in Riverside are January through May, November and December. In January, in Riverside, New Jersey, it is snowing for 6 days. Throughout January, 1.85" (47mm) of snow is accumulated. In Riverside, during the entire year, snow falls for 19.1 days and aggregates up to 8.9" (226mm) of snow.Daylight
The average length of the day in January in Riverside is 9h and 43min.On the first day of the month, sunrise is at 7:21 am and sunset at 4:44 pm. On the last day of January, sunrise is at 7:09 am and sunset at 5:17 pm EST.
Sunshine
The average sunshine in January in Riverside is 4.9h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: A daily high UV index of 2 in January leads to these guidelines:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Frequently asked questions
What is the coldest time of year in Riverside?
How cold is it in Riverside in January?
What is the average humidity in January in Riverside?
How much does it rain in Riverside in January?
How much does it snow in Riverside in January?
How many hours of daylight does Riverside have in January?
What time are sunrise and sunset in January in Riverside?
How many hours of sunshine does Riverside have in January?
What is the month with the lowest UV index in Riverside?
How high is the UV index in January in Riverside?
Average temperature in January
Riverside, NJ
- Average high temperature in January: 37.8°F
The warmest month (with the highest average high temperature) is July (85.8°F).
The month with the lowest average high temperature is January (37.8°F).
- Average low temperature in January: 25.5°F
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (25.5°F).
Average pressure in January
Riverside, NJ
- Average pressure in January: 30.08"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in January
Riverside, NJ
- Average wind speed in January: 8.1mph
The windiest months (with the highest average wind speed) are March and April (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).
Average humidity in January
Riverside, NJ
- Average humidity in January: 74%
The months with the highest relative humidity are February, October and December (77%).
The month with the lowest relative humidity is April (71%).
Average rainfall in January
Riverside, NJ
- Average rainfall in January: 1.77"
The wettest month (with the highest rainfall) is December (2.99").
The driest month (with the least rainfall) is September (1.57").
Average rainfall days in January
Riverside, NJ
- Average rainfall days in January: 8.9 days
The month with the highest number of rainy days is July (16.3 days).
The month with the least rainy days is November (8.8 days).
Average snowfall in January
Riverside, NJ
- Average snowfall in January: 1.85"
The month with the highest snowfall is March (2.95").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in January
Riverside, NJ
- Average snowfall days in January: 6 days
The month with the highest number of snowfall days is January (6 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in January /
Average sunshine in January
Riverside, NJ
- Average daylight in January: 9h and 4min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in January: 4h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in January
Riverside, NJ
- Average sunshine days in January: 17.7 days
The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is July (12.5 days).
Average UV index in January
Riverside, NJ
- Average UV index in January: 2
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in January
Riverside, NJ
- Average cloud cover in January: 45
The months with the most cloud cover are February and December (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in January
Riverside, NJ
- Average visibility in January: 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).
Riverside, New Jersey, USA
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