January weather forecast
Mason, MI

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Weather in January

January, like December, is a freezing cold winter month in Mason, Michigan, with an average temperature fluctuating between 17.1°F (-8.3°C) and 27.7°F (-2.4°C).

Temperature

January stands out as Mason's coldest month, with an average high-temperature of 27.7°F (-2.4°C) and a low-temperature of 17.1°F (-8.3°C).

Humidity

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

Rainfall

In Mason, in January, it is raining for 4.2 days, with typically 0.47" (12mm) of accumulated precipitation. In Mason, during the entire year, the rain falls for 96.4 days and collects up to 7.32" (186mm) of precipitation.

Snowfall

Months with snowfall in Mason are January through May, October through December. In January, in Mason, it is snowing for 11.8 days. Throughout January, 0.94" (24mm) of snow is accumulated. In Mason, during the entire year, snow falls for 42.9 days and aggregates up to 3.86" (98mm) of snow.

Daylight

In January, the average length of the day in Mason is 9h and 29min.
On the first day of January in Mason, sunrise is at 8:07 am and sunset at 5:14 pm. On the last day of the month, sunrise is at 7:52 am and sunset at 5:49 pm EST.

Sunshine

January has the least sunshine of the year, with an average of 2.7h of sunshine.

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 unprotected exposure to Sun's UV rays for average individuals.
Note: In January, a daily maximum UV index of 1 leads to the following instructions:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
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Frequently asked questions

What month is the coldest in Mason?

The coldest period in Mason, Michigan, is January, when temperatures fluctuate between an average high of 27.7°F (-2.4°C) and a low of 17.1°F (-8.3°C).

How cold is January in Mason?

An average high-temperature, in January, in Mason, is 27.7°F (-2.4°C) and the average low-temperature is 17.1°F (-8.3°C).

What is the most humid month in Mason?

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

What is the average humidity in January in Mason?

The average relative humidity in January in Mason, Michigan, is 87%.

How much does it rain in Mason in January?

In January, in Mason, the rain falls for 4.2 days. Throughout January, 0.47" (12mm) of precipitation is accumulated.

How much does it snow in Mason in January?

In Mason, in January, during 11.8 snowfall days, 0.94" (24mm) of snow is typically accumulated.

How many hours of daylight does Mason have in January?

In January, the average day length in Mason, Michigan, is 9h and 29min.

When is the sunrise / sunset in January in Mason?

In January, on the first day of the month, sunrise is at 8:07 am and sunset at 5:14 pm. On the last day of the month, sunrise is at 7:52 am and sunset at 5:49 pm EST.

What is the month with the least sunshine in Mason?

With an average of 2.7h of sunshine, January has the least sunshine of the year.

How many hours of sunshine does Mason have in January?

In Mason, Michigan, the average sunshine duration in January is 2.7h.

What are the months with the lowest UV index in Mason?

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

What is the UV index reading in January in Mason?

In Mason, Michigan, the average daily maximum UV index in January is 1. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation.
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 January
Mason, MI

Average temperature in January - Mason, MI
  • Average high temperature in January: 27.7°F

The warmest month (with the highest average high temperature) is July (78.8°F).
The month with the lowest average high temperature is January (27.7°F).

  • Average low temperature in January: 17.1°F

The month with the highest average low temperature is July (61°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).

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Average pressure in January
Mason, MI

Average pressure in January - Mason, MI
  • Average pressure in January: 30.07"Hg

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

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Average wind speed in January
Mason, MI

Average wind speed in January - Mason, MI
  • Average wind speed in January: 10.1mph

The windiest months (with the highest average wind speed) are January, February and April (10.1mph).
The calmest month (with the lowest average wind speed) is July (6.5mph).

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Average humidity in January
Mason, MI

Average humidity in January - Mason, MI
  • Average humidity in January: 87%

The months with the highest relative humidity are January and February (87%).
The month with the lowest relative humidity is April (77%).

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Average rainfall in January
Mason, MI

Average rainfall in January - Mason, MI
  • Average rainfall in January: 0.47"

The wettest month (with the highest rainfall) is May (0.94").
The driest month (with the least rainfall) is February (0.35").

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Average rainfall days in January
Mason, MI

Average rainfall days in January - Mason, MI
  • Average rainfall days in January: 4.2 days

The month with the highest number of rainy days is May (12.7 days).
The month with the least rainy days is February (3 days).

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Average snowfall in January
Mason, MI

Average snowfall in January - Mason, MI
  • Average snowfall in January: 0.94"

The month with the highest snowfall is February (1.14").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in January
Mason, MI

Average snowfall days in January - Mason, MI
  • Average snowfall days in January: 11.8 days

The month with the highest number of snowfall days is January (11.8 days).
The 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
Mason, MI

Average daylight in January / Average sunshine in January - Mason, MI
  • Average daylight in January: 9h and 3min

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 January (Average sunshine: 2h and 42min).

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Average sunshine days in January
Mason, MI

Average sunshine days in January - Mason, MI
  • Average sunshine days in January: 19 days

The month with the most sunshine days is December (20.9 days).
The month with the least sunshine days is May (14.8 days).

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Average UV index in January
Mason, MI

Average UV index in January - Mason, MI
  • 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).

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Average cloud cover in January
Mason, MI

Average cloud cover in January - Mason, MI
  • Average cloud cover in January: 72

The month with the most cloud cover is January (Cloud cover 72).
The month with the least cloud cover is July (Cloud cover 31).

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Average visibility in January
Mason, MI

Average visibility in January - Mason, MI
  • Average visibility in January: 5mi

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

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Mason, Michigan, USA

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