January weather forecast
Saint Johns, OH

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Weather in January

January, like December, is another subzero cold winter month in Saint Johns, Ohio, with an average temperature varying between 31.6°F (-0.2°C) and 19.8°F (-6.8°C).

Temperature

January tends to be the coldest month, with temperatures averaging a daily high of 31.6°F (-0.2°C) and a low of 19.8°F (-6.8°C).

Humidity

The most humid month in Saint Johns, Ohio, is January, with an average relative humidity of 84%.

Rainfall

In Saint Johns, in January, during 8.3 rainfall days, 2.17" (55mm) of precipitation is typically accumulated. In Saint Johns, during the entire year, the rain falls for 169.7 days and collects up to 30.47" (774mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In Saint Johns, Ohio, in January, snow falls for 13.7 days, with typically accumulated 3.62" (92mm) of snow. In Saint Johns, during the entire year, snow falls for 49.6 days and aggregates up to 14.57" (370mm) of snow.

Daylight

In January, the average length of the day in Saint Johns, Ohio, is 9h and 40min.
On the first day of the month, sunrise is at 7:59 am and sunset at 5:19 pm. On the last day of January, in Saint Johns, sunrise is at 7:46 am and sunset at 5:52 pm EST.

Sunshine

With an average of 3.4h of sunshine, January has the least sunshine of the year.

UV index

In Saint Johns, the average daily maximum UV index in January is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: An average UV index of 2 in January transforms into this advice:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. During bright days, sunglasses that offer UVA and UVB defense are recommended. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest time of year in Saint Johns?

January is the coldest month in Saint Johns, with the temperature often reaching an average high of 31.6°F (-0.2°C) and an average low of 19.8°F (-6.8°C).

How cold is January in Saint Johns?

In January, the average high-temperature and low-temperature in Saint Johns, Ohio, are 31.6°F (-0.2°C) and 19.8°F (-6.8°C) respectively.

What is the most humid month in Saint Johns?

With an average relative humidity of 84%, January is the most humid month.

What is the average humidity in January in Saint Johns?

In January, the average relative humidity is 84%.

How many days does it rain in January in Saint Johns?

In Saint Johns, Ohio, during January, the rain falls for 8.3 days and regularly aggregates up to 2.17" (55mm) of precipitation.

How many days does it snow in January in Saint Johns?

In Saint Johns, in January, during 13.7 snowfall days, 3.62" (92mm) of snow is typically accumulated.

What is the average length of the day in January in Saint Johns?

In January, the average day length in Saint Johns is 9h and 40min.

When are sunrise and sunset in January in Saint Johns?

In January, on the first day of the month, sunrise is at 7:59 am and sunset at 5:19 pm. On the last day of the month, in Saint Johns, sunrise is at 7:46 am and sunset at 5:52 pm EST.

What is the month with the least sunshine in Saint Johns?

The month with the least sunshine is January, with an average of 3.4h of sunshine.

How long on average sun shines in January in Saint Johns?

In Saint Johns, Ohio, the average sunshine duration in January is 3.4h.

What is the UV index reading in January in Saint Johns?

In Saint Johns, Ohio, the average daily maximum UV index in January is 2. A UV Index reading of 2, and below, represents a low health threat 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
Saint Johns, OH

Average temperature in January - Saint Johns, OH
  • Average high temperature in January: 31.6°F

The warmest month (with the highest average high temperature) is July (80.4°F).
The month with the lowest average high temperature is January (31.6°F).

  • Average low temperature in January: 19.8°F

The month with the highest average low temperature is July (63.9°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).

Average pressure in January
Saint Johns, OH

Average pressure in January - Saint Johns, OH
  • Average pressure in January: 30.12"Hg

The months with the highest atmospheric pressure are January and November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in January
Saint Johns, OH

Average wind speed in January - Saint Johns, OH
  • Average wind speed in January: 10.7mph

The windiest month (with the highest average wind speed) is January (10.7mph).
The calmest month (with the lowest average wind speed) is August (6mph).

Average humidity in January
Saint Johns, OH

Average humidity in January - Saint Johns, OH
  • Average humidity in January: 84%

The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is October (75%).

Average rainfall in January
Saint Johns, OH

Average rainfall in January - Saint Johns, OH
  • Average rainfall in January: 2.17"

The wettest month (with the highest rainfall) is May (3.74").
The driest month (with the least rainfall) is February (1.93").

Average rainfall days in January
Saint Johns, OH

Average rainfall days in January - Saint Johns, OH
  • Average rainfall days in January: 8.3 days

The month with the highest number of rainy days is May (19.5 days).
The month with the least rainy days is January (8.3 days).

Average snowfall in January
Saint Johns, OH

Average snowfall in January - Saint Johns, OH
  • Average snowfall in January: 3.62"

The month with the highest snowfall is February (3.9").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in January
Saint Johns, OH

Average snowfall days in January - Saint Johns, OH
  • Average snowfall days in January: 13.7 days

The month with the highest number of snowfall days is January (13.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in January /
Average sunshine in January
Saint Johns, OH

Average daylight in January / Average sunshine in January - Saint Johns, OH
  • Average daylight in January: 9h and 4min

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in January: 3h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).

Average sunshine days in January
Saint Johns, OH

Average sunshine days in January - Saint Johns, OH
  • Average sunshine days in January: 10.9 days

The month with the most sunshine days is November (16.2 days).
The month with the least sunshine days is June (9.2 days).

Average UV index in January
Saint Johns, OH

Average UV index in January - Saint Johns, OH
  • Average UV index in January: 2

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

Average cloud cover in January
Saint Johns, OH

Average cloud cover in January - Saint Johns, OH
  • Average cloud cover in January: 64

The month with the most cloud cover is January (Cloud cover 64).
The months with the least cloud cover are July and August (Cloud cover 33).

Average visibility in January
Saint Johns, OH

Average visibility in January - Saint Johns, OH
  • Average visibility in January: 5mi

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

Saint Johns, Ohio, USA

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