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
Dorothy records the coldest temperatures in January, averaging a high of 39.4°F (4.1°C) and a low of 28.6°F (-1.9°C).Humidity
The average relative humidity in January in Dorothy is 74%.Rainfall
The month with the least rainfall is January, when the rain falls for 7.7 days and typically collects 0.75" (19mm) of precipitation.Snowfall
Months with snowfall in Dorothy are January through March, November and December. In January, it is snowing for 3.7 days. Throughout January, 0.79" (20mm) of snow is accumulated. Throughout the year, there are 11.5 snowfall days, and 2.8" (71mm) of snow is accumulated.Daylight
The average length of the day in January in Dorothy is 9h and 46min.On the first day of January, sunrise is at 7:19 am and sunset at 4:46 pm. On the last day of the month, sunrise is at 7:07 am and sunset at 5:17 pm EST.
Sunshine
The average sunshine in January is 5.2h.UV index
The months with the lowest UV index are January, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for average individuals.Note: A maximum high UV index of 2 in January translates into the following recommendations:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What time of the year is the coldest in Dorothy?
Is January cold in Dorothy?
What is the average humidity in January in Dorothy?
What is the driest month in Dorothy?
How many days does it rain in January in Dorothy?
How much does it snow in Dorothy in January?
How many hours of daylight does Dorothy have in January?
What time are sunrise and sunset in January in Dorothy?
How long on average sun shines in January in Dorothy?
What is the month with the lowest UV index in Dorothy?
How high is the UV index in January in Dorothy?
Average temperature in January
Dorothy, NJ
- Average high temperature in January: 39.4°F
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (39.4°F).
- Average low temperature in January: 28.6°F
The month with the highest average low temperature is July (69.6°F).
The coldest month (with the lowest average low temperature) is January (28.6°F).
Average pressure in January
Dorothy, NJ
- Average pressure in January: 30.08"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in January
Dorothy, NJ
- Average wind speed in January: 9.8mph
The windiest months (with the highest average wind speed) are January, February, March and April (9.8mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).
Average humidity in January
Dorothy, NJ
- Average humidity in January: 74%
The months with the highest relative humidity are May and June (79%).
The months with the lowest relative humidity are March and April (73%).
Average rainfall in January
Dorothy, NJ
- Average rainfall in January: 0.75"
The wettest month (with the highest rainfall) is July (1.93").
The driest month (with the least rainfall) is January (0.75").
Average rainfall days in January
Dorothy, NJ
- Average rainfall days in January: 7.7 days
The month with the highest number of rainy days is July (15 days).
The month with the least rainy days is November (7.2 days).
Average snowfall in January
Dorothy, NJ
- Average snowfall in January: 0.79"
The month with the highest snowfall is March (1.02").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in January
Dorothy, NJ
- Average snowfall days in January: 3.7 days
The month with the highest number of snowfall days is January (3.7 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in January /
Average sunshine in January
Dorothy, NJ
- Average daylight in January: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in January: 5h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).
Average sunshine days in January
Dorothy, NJ
- Average sunshine days in January: 20.1 days
The month with the most sunshine days is November (21.1 days).
The month with the least sunshine days is July (12.7 days).
Average UV index in January
Dorothy, 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, November and December (UV index 2).
Average cloud cover in January
Dorothy, NJ
- Average cloud cover in January: 43
The months with the most cloud cover are February and March (Cloud cover 46).
The months with the least cloud cover are July and August (Cloud cover 28).
Average visibility in January
Dorothy, 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).
Dorothy, New Jersey, USA
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