January weather forecast
Thornton Grove, NY

Weather in January

January, the same as December, in Thornton Grove, New York, is another subzero cold winter month, with average temperature ranging between max 27.9°F (-2.3°C) and min 16.9°F (-8.4°C).

Temperature

The coldest month is January, with an average high-temperature of 27.9°F (-2.3°C) and an average low-temperature of 16.9°F (-8.4°C).

Humidity

In Thornton Grove, New York, the average relative humidity is 87%.

Rainfall

In Thornton Grove, during January, the rain falls for 7 days and regularly aggregates up to 1.02" (26mm) of precipitation. In Thornton Grove, during the entire year, the rain falls for 137.8 days and collects up to 13.74" (349mm) of precipitation.

Snowfall

Months with snowfall in Thornton Grove are January through May, October through December. In Thornton Grove, New York,, snow falls for 18.1 days, with typically accumulated 3.35" (85mm) of snow. Throughout the year, in Thornton Grove, there are 76.2 snowfall days, and 16.93" (430mm) of snow is accumulated.

Daylight

In Thornton Grove, New York, the average length of the day in January is 9.5h.

Sunshine

The average sunshine in Thornton Grove is 2.8h.

UV index

In January, the average daily maximum UV index in Thornton Grove, New York, is 2. A UV Index estimate of 2, and below, represents a low threat to health from unprotected exposure to the Sun's UV rays for ordinary individuals.
Note: The daily maximum UV index of 2 interpret into the following advice:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the coldest month in Thornton Grove?

The coldest month is January, with an average high-temperature of 27.9°F (-2.3°C) and an average low-temperature of 16.9°F (-8.4°C).

What is the average humidity in January in Thornton Grove?

The average relative humidity in January is 87%.

How much does it rain in Thornton Grove in January?

In Thornton Grove, New York, in January, it is raining for 7 days, with typically 1.02" (26mm) of accumulated precipitation.

How many days does it snow in January in Thornton Grove?

In Thornton Grove, in January, snow falls for 18.1 days, with typically accumulated 3.35" (85mm) of snow.

What is the average length of the day in January in Thornton Grove?

In January, the average length of the day is 9.5h.

How many hours of sunshine does Thornton Grove have in January?

In Thornton Grove, New York, the average sunshine in January is 2.8h.

How high is the UV index in January in Thornton Grove?

In January, the average daily maximum UV index in Thornton Grove, New York, is 2. A UV Index value of 2, and less, symbolizes a low health risk from the exposure to the Sun's UV rays.

Average temperature in January
Thornton Grove, NY

Average temperature in January - Thornton Grove, NY
  • Average high temperature in January: 27.9°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 (27.9°F).

  • Average low temperature in January: 16.9°F

The month with the highest average low temperature is July (59°F).
The coldest month (with the lowest average low temperature) is January (16.9°F).

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Average pressure in January
Thornton Grove, NY

Average pressure in January - Thornton Grove, NY
  • Average pressure in January: 30.06"

The month with the highest atmospheric pressure is November (30.09").
The month with the lowest atmospheric pressure is June (29.93").

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Average wind speed in January
Thornton Grove, NY

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

The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest month (with the lowest average wind speed) is July (6mph).

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Average humidity in January
Thornton Grove, NY

Average humidity in January - Thornton Grove, NY
  • Average humidity in January: 87%

The month with the highest relative humidity is February (88%).
Months with the lowest relative humidity are April and May (79%).

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Average rainfall in January
Thornton Grove, NY

Average rainfall in January - Thornton Grove, NY
  • Average rainfall in January: 1.02"

The wettest month (with the highest rainfall) is May (1.5").
The driest month (with the least rainfall) is September (0.67").

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Average rainfall days in January
Thornton Grove, NY

Average rainfall days in January - Thornton Grove, NY
  • Average rainfall days in January: 7 days

The month with the highest number of rainy days is May (14.7 days).
The month with the least rainy days is February (6.7 days).

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Average snowfall in January
Thornton Grove, NY

Average snowfall in January - Thornton Grove, NY
  • Average snowfall in January: 3.35"

The month with the highest snowfall is February (3.74").
Months with the least snowfall are June, July, August and September (0").

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Average snowfall days in January
Thornton Grove, NY

Average snowfall days in January - Thornton Grove, NY
  • Average snowfall days in January: 18.1 days

The month with the highest number of snowfall days is January (18.1 days).
Months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in January /
Average sunshine in January
Thornton Grove, NY

Average daylight in January / Average sunshine in January - Thornton Grove, NY
  • Average daylight in January: 9.5h

The month with the longest days is June (Average daylight: 15.3h).
The month with the shortest days is December (Average daylight: 9.1h).

  • Average sunshine in January: 2.8h

The month with the most sunshine is July (Average sunshine: 10.4h).
The month with the least sunshine is February (Average sunshine: 2.5h).

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Average sunshine days in January
Thornton Grove, NY

Average sunshine days in January - Thornton Grove, NY
  • Average sunshine days in January: 10.2 days

The month with the most sunshine days is September (17.1 days).
The month with the least sunshine days is February (7.9 days).

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Average UV index in January
Thornton Grove, NY

Average UV index in January - Thornton Grove, NY
  • Average UV index in January: 2

Months with the highest UV index are May, June, July and August (UV index 5).
Months with the lowest UV index are February and December (UV index 1).

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Average cloud cover in January
Thornton Grove, NY

Average cloud cover in January - Thornton Grove, NY
  • Average cloud cover in January: 73

The month with the most cloud cover is February (Cloud cover 74).
Months with the least cloud cover are July and August (Cloud cover 33).

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Average visibility in January
Thornton Grove, NY

Average visibility in January - Thornton Grove, NY
  • Average visibility in January: 5mi

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

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