January weather forecast
Jamesville, NY

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Weather in January

January, the same as December, in Jamesville, New York, is a freezing cold winter month, with an average temperature fluctuating between 16.7°F (-8.5°C) and 28°F (-2.2°C).

Temperature

Jamesville's coldest month, January, generally records average temperatures ranging from a high of 28°F (-2.2°C) to a low of 16.7°F (-8.5°C).

Humidity

January and February, with an average relative humidity of 87%, are the most humid months.

Rainfall

The month with the least rainfall is January, when the rain falls for 6.4 days and typically collects 1.42" (36mm) of precipitation.

Snowfall

January through April, October through December are months with snowfall. In Jamesville, in January, snow falls for 16.8 days, with typically accumulated 4.17" (106mm) of snow. In Jamesville, New York, during the entire year, snow falls for 66.5 days and aggregates up to 22.87" (581mm) of snow.

Daylight

In January, the average length of the day is 9h and 26min.
On the first day of January, sunrise is at 7:35 am and sunset at 4:39 pm. On the last day of the month, sunrise is at 7:20 am and sunset at 5:14 pm EST.

Sunshine

In January, the average sunshine in Jamesville is 2.6h.

UV index

The months with the lowest UV index are January and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for average individuals.
Note: The maximum daily UV index of 1 in January converts into the following recommendations:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Updated: Aug 25, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the coldest months?

The lowest temperatures are recorded in January, with averages reaching a high of 28°F (-2.2°C) and a low of 16.7°F (-8.5°C).

How cold is January in Jamesville?

January temperatures vary between a high-temperature of 28°F (-2.2°C) and a low-temperature of 16.7°F (-8.5°C).

What is the most humid month?

The months with the highest humidity are January and February, with an average relative humidity of 87%.

What is the average humidity in January?

In Jamesville, the average relative humidity in January is 87%.

What is the driest month?

The month with the least rainfall is January, when the rain falls for 6.4 days and typically collects 1.42" (36mm) of precipitation.

How much does it rain in January?

In January, in Jamesville, the rain falls for 6.4 days. Throughout January, 1.42" (36mm) of precipitation is accumulated.

How many days does it snow in January?

In January, it is snowing for 16.8 days. Throughout January, 4.17" (106mm) of snow is accumulated.

How many hours of daylight does Jamesville have in January?

The average day length in January in Jamesville is 9h and 26min.

When are sunrise and sunset in January?

On the first day of January, sunrise is at 7:35 am and sunset at 4:39 pm. On the last day of the month, sunrise is at 7:20 am and sunset at 5:14 pm EST.

How many hours of sunshine does Jamesville have in January?

The average sunshine duration in January is 2.6h.

What are the months with the lowest UV index?

January and December, with an average maximum UV index of 1, are months with the lowest UV index in Jamesville.

What is the UV index reading in January?

In Jamesville, the average daily maximum UV index in January is 1. A UV Index of 2, and less, symbolizes a low health threat from unsafe exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Jamesville, NY

Average temperature in January - Jamesville, NY
  • Average high temperature in January: 28°F

The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is January (28°F).

  • Average low temperature in January: 16.7°F

The month with the highest average low temperature is July (59.4°F).
The coldest month (with the lowest average low temperature) is January (16.7°F).

Average pressure in January
Jamesville, NY

Average pressure in January - Jamesville, NY
  • Average pressure in January: 30.05"Hg

The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

Average wind speed in January
Jamesville, NY

Average wind speed in January - Jamesville, NY
  • Average wind speed in January: 10.3mph

The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest months (with the lowest average wind speed) are July and August (6.1mph).

Average humidity in January
Jamesville, NY

Average humidity in January - Jamesville, NY
  • Average humidity in January: 87%

The months with the highest relative humidity are January and February (87%).
The months with the lowest relative humidity are April and May (78%).

Average rainfall in January
Jamesville, NY

Average rainfall in January - Jamesville, NY
  • Average rainfall in January: 1.42"

The wettest month (with the highest rainfall) is May (2.72").
The driest month (with the least rainfall) is January (1.42").

Average rainfall days in January
Jamesville, NY

Average rainfall days in January - Jamesville, NY
  • Average rainfall days in January: 6.4 days

The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is February (6 days).

Average snowfall in January
Jamesville, NY

Average snowfall in January - Jamesville, NY
  • Average snowfall in January: 4.17"

The month with the highest snowfall is December (5.87").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in January
Jamesville, NY

Average snowfall days in January - Jamesville, NY
  • Average snowfall days in January: 16.8 days

The month with the highest number of snowfall days is January (16.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in January /
Average sunshine in January
Jamesville, NY

Average daylight in January / Average sunshine in January - Jamesville, 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: 2h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 2h and 24min).

Average sunshine days in January
Jamesville, NY

Average sunshine days in January - Jamesville, NY
  • Average sunshine days in January: 9.5 days

The month with the most sunshine days is September (15.5 days).
The month with the least sunshine days is February (8.4 days).

Average UV index in January
Jamesville, NY

Average UV index in January - Jamesville, NY
  • Average UV index in January: 1

The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).

Average cloud cover in January
Jamesville, NY

Average cloud cover in January - Jamesville, NY
  • Average cloud cover in January: 75

The months with the most cloud cover are January and February (Cloud cover 75).
The months with the least cloud cover are July and August (Cloud cover 34).

Average visibility in January
Jamesville, NY

Average visibility in January - Jamesville, NY
  • Average visibility in January: 5mi

The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March and December (5mi).

Jamesville, New York, USA

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