December weather forecast
Ionia, NY

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Weather in December

The first month of the winter, December, is also an icy month in Ionia, New York, with an average temperature varying between 34.9°F (1.6°C) and 25.7°F (-3.5°C).

Temperature

Ionia's progression into December involves a drop in the average high-temperature, receding from a chilly 45.3°F (7.4°C) in November to an icy 34.9°F (1.6°C). Ionia, during the month of December, experiences an average low-temperature of 25.7°F (-3.5°C).

Humidity

The average relative humidity in December is 85%.

Rainfall

In Ionia, in December, it is raining for 8.9 days, with typically 1.5" (38mm) of accumulated precipitation. In Ionia, during the entire year, the rain falls for 150.6 days and collects up to 20.2" (513mm) of precipitation.

Snowfall

Months with snowfall in Ionia are January through May, October through December. In Ionia, in December, snow falls for 14.7 days, with typically accumulated 4.29" (109mm) of snow. Throughout the year, in Ionia, there are 75.2 snowfall days, and 21.97" (558mm) 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 7:21 am and sunset at 4:36 pm. On the last day of December, in Ionia, sunrise is at 7:40 am and sunset at 4:45 pm EST.

Sunshine

In December, the average sunshine is 2.9h.

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 low health risk from exposure to the Sun's UV radiation for ordinary individuals.
Note: A daily high UV index of 1 in December leads to these guidelines:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. Avoiding the Sun during its peak radiation time around midday is a healthy practice. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
Resources | Updated: Feb 13, 2024 | Published by: Weather U.S.

Frequently asked questions

How cold is it in Ionia in December?

In Ionia, in December, the average high-temperature is 34.9°F (1.6°C), and the average low-temperature is 25.7°F (-3.5°C).

What is the average humidity in December in Ionia?

In Ionia, New York, the average relative humidity in December is 85%.

How many days does it rain in December in Ionia?

In Ionia, New York, in December, it is raining for 8.9 days, with typically 1.5" (38mm) of accumulated precipitation.

How many days does it snow in December in Ionia?

In December, in Ionia, New York, it is snowing for 14.7 days. Throughout December, 4.29" (109mm) of snow is accumulated.

What is the month with the shortest days in Ionia?

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

How many hours of daylight does Ionia have in December?

In December, the average day length in Ionia, New York, is 9h and 5min.

When is the sunrise / sunset in December in Ionia?

In December, on the first day of the month, sunrise is at 7:21 am and sunset at 4:36 pm. On the last day of the month, in Ionia, sunrise is at 7:40 am and sunset at 4:45 pm EST.

How many hours of sunshine does Ionia have in December?

The average sunshine duration in December in Ionia, New York, is 2.9h.

When is the lowest UV index in Ionia?

The months with the lowest UV index in Ionia, New York, are January and December, with an average maximum UV index of 1.

What is the UV index reading in December in Ionia?

In Ionia, New York, the average daily maximum UV index in December is 1. A UV Index estimate of 2, and below, represents a minimal hazard to health from unsafe 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
Ionia, NY

Average temperature in December - Ionia, NY
  • Average high temperature in December: 34.9°F

The warmest month (with the highest average high temperature) is July (79.2°F).
The month with the lowest average high temperature is January (28.8°F).

  • Average low temperature in December: 25.7°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°F).

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Average pressure in December
Ionia, NY

Average pressure in December - Ionia, 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
Ionia, NY

Average wind speed in December - Ionia, NY
  • Average wind speed in December: 9.4mph

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 (6.3mph).

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Average humidity in December
Ionia, NY

Average humidity in December - Ionia, NY
  • Average humidity in December: 85%

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

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Average rainfall in December
Ionia, NY

Average rainfall in December - Ionia, NY
  • Average rainfall in December: 1.5"

The wettest month (with the highest rainfall) is May (2.32").
The driest month (with the least rainfall) is January (1.02").

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Average rainfall days in December
Ionia, NY

Average rainfall days in December - Ionia, NY
  • Average rainfall days in December: 8.9 days

The month with the highest number of rainy days is July (17.1 days).
The month with the least rainy days is February (6 days).

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Average snowfall in December
Ionia, NY

Average snowfall in December - Ionia, NY
  • Average snowfall in December: 4.29"

The month with the highest snowfall is February (5.04").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Ionia, NY

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

The month with the highest number of snowfall days is January (16.6 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
Ionia, NY

Average daylight in December / Average sunshine in December - Ionia, 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: 2h and 5min

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 36min).

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Average sunshine days in December
Ionia, NY

Average sunshine days in December - Ionia, NY
  • Average sunshine days in December: 10.5 days

The month with the most sunshine days is September (14.4 days).
The month with the least sunshine days is February (9.2 days).

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Average UV index in December
Ionia, NY

Average UV index in December - Ionia, 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
Ionia, NY

Average cloud cover in December - Ionia, NY
  • Average cloud cover in December: 69

The month with the most cloud cover is January (Cloud cover 74).
The month with the least cloud cover is August (Cloud cover 32).

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Average visibility in December
Ionia, NY

Average visibility in December - Ionia, NY
  • Average visibility in December: 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).

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Ionia, New York, USA

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