January weather forecast
Mason, OH

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Weather in January

Winter is clearly in full swing in Mason, Ohio during January, characterized by its cold temperatures and significant snowfall. Despite this, the amount of snowfall decreases slightly compared to the previous month with totals going down from 2.05" (52mm) in December to 1.57" (40mm) in January. Daylight is fleeting, making it feel like the sun is hardly present. The UV index maintains its low level signaling how weak the sun is. The freezing temperatures require appropriate clothing to stay warm and dry during outdoor excursions.

Temperature

January is the coldest month, with an average high-temperature of 35.1°F (1.7°C) and an average low-temperature of 22.6°F (-5.2°C).

Humidity

The months with the highest humidity are January, February and December, with an average relative humidity of 81%.

Rainfall

In Mason, during January, the rain falls for 8.5 days and regularly aggregates up to 1.61" (41mm) of precipitation. Throughout the year, in Mason, there are 151 rainfall days, and 23.86" (606mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through April, November and December. In January, it is snowing for 8.3 days. Throughout January, 1.57" (40mm) of snow is accumulated. Throughout the year, in Mason, there are 30.1 snowfall days, and 7.87" (200mm) of snow is accumulated.

Daylight

In January, the average length of the day is 9h and 46min.
On the first day of January, sunrise is at 7:57 am and sunset at 5:24 pm. On the last day of the month, sunrise is at 7:45 am and sunset at 5:55 pm EST.

Sunshine

The month with the least sunshine in Mason is January, with an average of 3.9h of sunshine.

UV index

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: In January, the maximum UV index of 2 suggests these recommendations:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
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Frequently asked questions

What are the coldest months in Mason?

In Mason, the average lowest temperatures are observed in January, with a high of 35.1°F (1.7°C) and a low of 22.6°F (-5.2°C).

How cold is it in Mason in January?

The average high-temperature, in January, in Mason, is 35.1°F (1.7°C), while the average low-temperature is 22.6°F (-5.2°C).

What is the most humid month in Mason?

January, February and December, with an average relative humidity of 81%, are most humid months in Mason, Ohio.

What is the average humidity in January in Mason?

The average relative humidity in January is 81%.

How many days does it rain in January in Mason?

In Mason, in January, during 8.5 rainfall days, 1.61" (41mm) of precipitation is typically accumulated.

How much does it snow in Mason in January?

In January, in Mason, it is snowing for 8.3 days. Throughout January, 1.57" (40mm) of snow is accumulated.

How many hours of daylight does Mason have in January?

The average day length in January in Mason is 9h and 46min.

What time are sunrise and sunset in January in Mason?

In January, on the first day of the month, sunrise is at 7:57 am and sunset at 5:24 pm. On the last day of the month, sunrise is at 7:45 am and sunset at 5:55 pm EST.

What is the month with the least sunshine in Mason?

The month with the least sunshine is January, with an average of 3.9h of sunshine.

How many hours of sunshine does Mason have in January?

In January, the average sunshine duration in Mason, Ohio, is 3.9h.

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

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Mason.

What is the UV index intensity in January in Mason?

In January, the average daily maximum UV index in Mason is 2. A UV Index estimate of 2, and below, represents a low health threat from exposure to Sun's UV rays.
Today
Tomorrow
Long-term
YearJanuaryFMAMJJASOND
Dec
January
Feb
Average high temperature
40.8°F 4.9°C
35.1°F 1.7°C
39.6°F 4.2°C
Average low temperature
29.5°F -1.4°C
22.6°F -5.2°C
26.1°F -3.3°C
Average pressure
30.13" 765mmHg
30.14" 766mmHg
30.11" 765mmHg
Average wind speed
8.5mph 13.7km/h
9.3mph 15km/h
9.2mph 14.8km/h
Average max. wind speed
9mph 14.5km/h
9.8mph 15.8km/h
9.8mph 15.8km/h
Average wind speed gusts
13.4mph 21.6km/h
14.5mph 23.3km/h
14.4mph 23.2km/h
Average humidity
81%
81%
81%
Average rainfall
1.93" 49mm
1.61" 41mm
2.01" 51mm
Average rainfall days
10.9
8.5
8.3
Average snowfall
1.65" 42mm
1.57" 40mm
2.05" 52mm
Average snowfall days
6.5
8.3
7.2
Average daylight
9h 3min
9h 5min
10h 4min
Average sunshine
4h 1min
3h 5min
5h 1min
Average sunshine days
14.5
15.3
14.6
Average UV index
2
2
2
Average cloud cover
57%
60%
57%
Average visibility
6mi 9.7km
6mi 9.7km
6mi 9.7km

Average temperature in January
Mason, OH

Average temperature in January - Mason, OH
  • Average high temperature in January: 35.1°F

The warmest month (with the highest average high temperature) is July (82.8°F).
The month with the lowest average high temperature is January (35.1°F).

  • Average low temperature in January: 22.6°F

The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is January (22.6°F).

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Average pressure in January
Mason, OH

Average pressure in January - Mason, OH
  • Average pressure in January: 30.14"Hg

The months with the highest atmospheric pressure are January and November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

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Average wind speed in January
Mason, OH

Average wind speed in January - Mason, OH
  • Average wind speed in January: 9.3mph

The windiest month (with the highest average wind speed) is January (9.3mph).
The calmest months (with the lowest average wind speed) are July and August (5.3mph).

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Average humidity in January
Mason, OH

Average humidity in January - Mason, OH
  • Average humidity in January: 81%

The months with the highest relative humidity are January, February and December (81%).
The month with the lowest relative humidity is October (74%).

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Average rainfall in January
Mason, OH

Average rainfall in January - Mason, OH
  • Average rainfall in January: 1.61"

The wettest month (with the highest rainfall) is May (2.95").
The driest month (with the least rainfall) is September (1.42").

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Average rainfall days in January
Mason, OH

Average rainfall days in January - Mason, OH
  • Average rainfall days in January: 8.5 days

The month with the highest number of rainy days is May (18.1 days).
The month with the least rainy days is November (8.1 days).

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Average snowfall in January
Mason, OH

Average snowfall in January - Mason, OH
  • Average snowfall in January: 1.57"

The months with the highest snowfall are February and March (2.05").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in January
Mason, OH

Average snowfall days in January - Mason, OH
  • Average snowfall days in January: 8.3 days

The month with the highest number of snowfall days is January (8.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight in January /
Average sunshine in January
Mason, OH

Average daylight in January / Average sunshine in January - Mason, OH
  • Average daylight in January: 9h and 5min

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in January: 3h and 5min

The months with the most sunshine are June, July and August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).

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Average sunshine days in January
Mason, OH

Average sunshine days in January - Mason, OH
  • Average sunshine days in January: 15.3 days

The month with the most sunshine days is November (19.2 days).
The month with the least sunshine days is May (10.9 days).

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Average UV index in January
Mason, OH

Average UV index in January - Mason, OH
  • Average UV index in January: 2

The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in January
Mason, OH

Average cloud cover in January - Mason, OH
  • Average cloud cover in January: 60

The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 27).

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Average visibility in January
Mason, OH

Average visibility in January - Mason, OH
  • Average visibility in January: 6mi

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

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Mason, Ohio, USA

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