December weather forecast
Geneva, NY

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Weather in December

The first month of the winter, December, is also a wintry month in Geneva, New York, with an average temperature fluctuating between 35.4°F (1.9°C) and 26.6°F (-3°C).

Temperature

The onset of December is marked by a decrease in temperature, transitioning from a frosty 46.2°F (7.9°C) in November to a cold 35.4°F (1.9°C). In Geneva, the average low-temperature during December nights tends to settle at a subzero cold 26.6°F (-3°C), indicating a slight drop from the daytime peak.

Humidity

In December, the average relative humidity is 84%.

Rainfall

In Geneva, in December, it is raining for 9.5 days, with typically 1.57" (40mm) of accumulated precipitation. Throughout the year, in Geneva, New York, there are 157.9 rainfall days, and 22.48" (571mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall in Geneva. In December, in Geneva, it is snowing for 14.7 days. Throughout December, 4.02" (102mm) of snow is accumulated. Throughout the year, there are 71.3 snowfall days, and 19.41" (493mm) of snow is accumulated.

Daylight

With an average of 9h and 6min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 7:19 am and sunset at 4:34 pm. On the last day of December, sunrise is at 7:38 am and sunset at 4:43 pm EST.

Sunshine

The average sunshine in December is 3.1h.

UV index

January and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: A maximum high daily UV index of 1 during December translates into the following directions:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. 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. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
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Frequently asked questions

How cold is it in Geneva in December?

The high-temperature, in December, in Geneva, is 35.4°F (1.9°C), while the low-temperature averages to 26.6°F (-3°C).

What is the average humidity in December in Geneva?

In December, the average relative humidity is 84%.

How much does it rain in Geneva in December?

In Geneva, New York, during December, the rain falls for 9.5 days and regularly aggregates up to 1.57" (40mm) of precipitation.

How many days does it snow in December in Geneva?

In December, in Geneva, it is snowing for 14.7 days. Throughout December, 4.02" (102mm) of snow is accumulated.

What is the month with the shortest days in Geneva?

With an average of 9h and 6min of daylight, December has the shortest days of the year.

How many hours of daylight does Geneva have in December?

In December, the average day length is 9h and 5min.

What time are sunrise and sunset in December in Geneva?

In December, on the first day of the month, sunrise is at 7:19 am and sunset at 4:34 pm. On the last day of the month, in Geneva, New York, sunrise is at 7:38 am and sunset at 4:43 pm EST.

How long on average sun shines in December in Geneva?

In December, the average sunshine duration in Geneva is 3.1h.

What is the month with the lowest UV index in Geneva?

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

How high is the UV index in December in Geneva?

The average daily maximum UV index in December is 1. A UV Index value of 2, and less, symbolizes a low health threat from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Geneva, NY

Average temperature in December - Geneva, NY
  • Average high temperature in December: 35.4°F

The warmest month (with the highest average high temperature) is July (79.5°F).
The month with the lowest average high temperature is January (29.5°F).

  • Average low temperature in December: 26.6°F

The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is January (18.3°F).

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Average pressure in December
Geneva, NY

Average pressure in December - Geneva, NY
  • Average pressure in December: 30.06"Hg

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

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Average wind speed in December
Geneva, NY

Average wind speed in December - Geneva, NY
  • Average wind speed in December: 9.6mph

The windiest month (with the highest average wind speed) is January (10.2mph).
The calmest months (with the lowest average wind speed) are July and August (6.2mph).

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Average humidity in December
Geneva, NY

Average humidity in December - Geneva, NY
  • Average humidity in December: 84%

The month with the highest relative humidity is February (86%).
The month with the lowest relative humidity is April (77%).

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Average rainfall in December
Geneva, NY

Average rainfall in December - Geneva, NY
  • Average rainfall in December: 1.57"

The wettest month (with the highest rainfall) is October (2.64").
The driest month (with the least rainfall) is January (1.14").

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Average rainfall days in December
Geneva, NY

Average rainfall days in December - Geneva, NY
  • Average rainfall days in December: 9.5 days

The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is February (7.3 days).

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Average snowfall in December
Geneva, NY

Average snowfall in December - Geneva, NY
  • Average snowfall in December: 4.02"

The month with the highest snowfall is February (4.76").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Geneva, NY

Average snowfall days in December - Geneva, NY
  • Average snowfall days in December: 14.7 days

The month with the highest number of snowfall days is January (18.2 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in December /
Average sunshine in December
Geneva, NY

Average daylight in December / Average sunshine in December - Geneva, NY
  • Average daylight in December: 9h and 1min

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 December: 3h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 2h and 42min).

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Average sunshine days in December
Geneva, NY

Average sunshine days in December - Geneva, NY
  • Average sunshine days in December: 8.7 days

The month with the most sunshine days is September (13.9 days).
The month with the least sunshine days is February (6.5 days).

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Average UV index in December
Geneva, NY

Average UV index in December - Geneva, NY
  • Average UV index in December: 1

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).

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Average cloud cover in December
Geneva, NY

Average cloud cover in December - Geneva, NY
  • Average cloud cover in December: 68

The months with the most cloud cover are January and February (Cloud cover 72).
The months with the least cloud cover are July and August (Cloud cover 32).

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Average visibility in December
Geneva, NY

Average visibility in December - Geneva, NY
  • Average visibility in December: 6mi

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

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Geneva, New York, USA

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