Weather in January
January, like December, is a freezing cold winter month in Greater Rochester International Airport, New York, with temperature in the range of an average low of 15.8°F (-9°C) and an average high of 30.2°F (-1°C).
Note: In relation to swimming, this scenario is excessively cold, perilous, and a direct threat to life. Hypothermia strikes rapidly in the absence of insulated waterproof gear.
On the first day of January in Greater Rochester International Airport, sunrise is at 7:42 am and sunset at 4:45 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 5:20 pm EST.
Note: The UV index of 1 in January translates into these instructions:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
[Resources]Temperature
With average temperatures fluctuating between a high of 30.2°F (-1°C) and a low of 15.8°F (-9°C), January stands out as the coldest month.Rainfall
January and February are months with the least rain in Greater Rochester International Airport, New York, when the rain falls for 16 days and typically aggregates up to 2.01" (51mm) of rain.Ocean temperature
In Greater Rochester International Airport, the average seawater temperature in January is 37.4°F (3°C).Note: In relation to swimming, this scenario is excessively cold, perilous, and a direct threat to life. Hypothermia strikes rapidly in the absence of insulated waterproof gear.
Daylight
In Greater Rochester International Airport, the average length of the day in January is 9h and 26min.On the first day of January in Greater Rochester International Airport, sunrise is at 7:42 am and sunset at 4:45 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 5:20 pm EST.
Sunshine
January, November and December, with an average of 3h of sunshine, are months with the least sunshine.UV index
The months with the lowest UV index in Greater Rochester International Airport are January and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a low health risk from unsafe exposure to UV radiation for ordinary individuals.Note: The UV index of 1 in January translates into these instructions:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Frequently asked questions
What time of the year is the coldest in Greater Rochester International Airport?
Greater Rochester International Airport, New York, witnesses the coldest weather in January, with temperatures averaging a high of 30.2°F (-1°C) and a low of 15.8°F (-9°C).
How cold is it in Greater Rochester International Airport in January?
The average high-temperature, in January, in Greater Rochester International Airport, is 30.2°F (-1°C), while the average low-temperature is 15.8°F (-9°C).
What is the driest month in Greater Rochester International Airport?
The months with the least rainfall in Greater Rochester International Airport, New York, are January and February Rain falls for 16 days and accumulates 2.01" (51mm) of rain.
How many days does it rain in January in Greater Rochester International Airport?
In Greater Rochester International Airport, New York, in January, it is raining for 16 days, with typically 2.01" (51mm) of accumulated precipitation.
What is the ocean temperature in January in Greater Rochester International Airport?
In Greater Rochester International Airport, the average seawater temperature in January is 37.4°F (3°C). For swimming, this is considered life-threatening and very dangerous. The water feels painfully cold, and hyperventilation quickly occurs. A specialized swimsuit is mandatory to reduce thermal damage.
How many hours of daylight does Greater Rochester International Airport have in January?
The average day length in January in Greater Rochester International Airport, New York, is 9h and 26min.
When are sunrise and sunset in January in Greater Rochester International Airport?
In January, on the first day of the month, sunrise is at 7:42 am and sunset at 4:45 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 5:20 pm EST.
What are the months with the least sunshine in Greater Rochester International Airport?
January, November and December, with an average of 3h of sunshine, are months with the least sunshine in Greater Rochester International Airport, New York.
How many hours of sunshine does Greater Rochester International Airport have in January?
In Greater Rochester International Airport, New York, the average sunshine duration in January is 3h.
When is the lowest UV index in Greater Rochester International Airport?
The months with the lowest UV index in Greater Rochester International Airport, New York, are January and December, with an average maximum UV index of 1.
What is the UV index intensity in January in Greater Rochester International Airport?
In Greater Rochester International Airport, the average daily maximum UV index in January is 1. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to UV radiation.
Average temperature in January
Greater Rochester International Airport, NY
- Average high temperature in January: 30°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (30°F).
- Average low temperature in January: 16°F
The months with the highest average low temperature are July and August (59°F).
The coldest months (with the lowest average low temperature) are January and February (16°F).
Average rainfall in January
Greater Rochester International Airport, NY
- Average rainfall in January: 2"
The wettest month (with the highest rainfall) is August (3.3").
The driest months (with the least rainfall) are January and February (2").
Average rainfall days in January
Greater Rochester International Airport, NY
- Average rainfall days in January: 16 days
The month with the highest number of rainy days is December (17 days).
The month with the least rainy days is July (9 days).
Average sea temperature in January
Greater Rochester International Airport, NY
- Average sea temperature in January: 37°F
The best month for swimming (with the highest average sea temperature) is August (70°F).
The coldest months (with the lowest average sea temperature) are February and March (36°F).
Average daylight in January /
Average sunshine in January
Greater Rochester International Airport, NY
- Average daylight in January: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in January: 3h
The months with the most sunshine are June and July (Average sunshine: 10h).
The months with the least sunshine are January, November and December (Average sunshine: 3h).
Average UV index in January
Greater Rochester International Airport, NY
- Average UV index in January: 1
The months with the highest UV index are June and July (UV index 8).
The months with the lowest UV index are January and December (UV index 1).
Greater Rochester International Airport, New York, USA
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