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
January, marked by an average high-temperature of 36.9°F (2.7°C) and a low-temperature of 25.7°F (-3.5°C), is the coldest month.Humidity
In Sayreville, New Jersey, the average relative humidity in January is 75%.Rainfall
In Sayreville, during January, the rain falls for 8.5 days and regularly aggregates up to 1.85" (47mm) of precipitation. In Sayreville, during the entire year, the rain falls for 154 days and collects up to 30.75" (781mm) of precipitation.Snowfall
January through April, November and December are months with snowfall in Sayreville. In Sayreville, in January, snow falls for 5 days, with typically accumulated 1.69" (43mm) of snow. Throughout the year, there are 18.1 snowfall days, and 8.35" (212mm) of snow is accumulated.Daylight
In January, the average length of the day is 9h and 40min.On the first day of January in Sayreville, sunrise is at 7:20 am and sunset at 4:41 pm. On the last day of the month, sunrise is at 7:07 am and sunset at 5:13 pm EST.
Sunshine
In January, the average sunshine in Sayreville is 5.1h.UV index
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum UV index, 2 during January, leads to the following recommendations:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What time of the year is the coldest in Sayreville?
How cold is it in Sayreville in January?
What is the average humidity in January in Sayreville?
How many days does it rain in January in Sayreville?
How much does it snow in Sayreville in January?
How many hours of daylight does Sayreville have in January?
What time are sunrise and sunset in January in Sayreville?
How long on average sun shines in January in Sayreville?
When is the lowest UV index in Sayreville?
How high is the UV index in January in Sayreville?
Average temperature in January
Sayreville, NJ
- Average high temperature in January: 36.9°F
The warmest month (with the highest average high temperature) is July (83.7°F).
The month with the lowest average high temperature is January (36.9°F).
- Average low temperature in January: 25.7°F
The month with the highest average low temperature is July (68.7°F).
The coldest month (with the lowest average low temperature) is January (25.7°F).
Average pressure in January
Sayreville, NJ
- Average pressure in January: 30.07"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in January
Sayreville, NJ
- Average wind speed in January: 9.6mph
The windiest months (with the highest average wind speed) are January and March (9.6mph).
The calmest month (with the lowest average wind speed) is July (6.2mph).
Average humidity in January
Sayreville, NJ
- Average humidity in January: 75%
The months with the highest relative humidity are February, May, October and December (77%).
The months with the lowest relative humidity are April and August (73%).
Average rainfall in January
Sayreville, NJ
- Average rainfall in January: 1.85"
The wettest month (with the highest rainfall) is July (3.58").
The driest month (with the least rainfall) is September (1.81").
Average rainfall days in January
Sayreville, NJ
- Average rainfall days in January: 8.5 days
The month with the highest number of rainy days is July (17.4 days).
The months with the least rainy days are January and November (8.5 days).
Average snowfall in January
Sayreville, NJ
- Average snowfall in January: 1.69"
The month with the highest snowfall is March (3.82").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in January
Sayreville, NJ
- Average snowfall days in January: 5 days
The month with the highest number of snowfall days is February (5.1 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
Sayreville, 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 18min).
- Average sunshine in January: 5h and 1min
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
Sayreville, NJ
- Average sunshine days in January: 18.6 days
The month with the most sunshine days is November (20 days).
The month with the least sunshine days is July (10.5 days).
Average UV index in January
Sayreville, 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, March, November and December (UV index 2).
Average cloud cover in January
Sayreville, NJ
- Average cloud cover in January: 44
The months with the most cloud cover are February and December (Cloud cover 48).
The months with the least cloud cover are July and August (Cloud cover 31).
Average visibility in January
Sayreville, 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).
Sayreville, New Jersey, USA
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