January weather forecast
Johnstown, NE

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Weather in January

January, the same as December, in Johnstown, Nebraska, is another subzero cold winter month, with an average temperature ranging between max 31.1°F (-0.5°C) and min 18.9°F (-7.3°C).

Temperature

The coldest period is January, when temperatures fluctuate between an average high of 31.1°F (-0.5°C) and a low of 18.9°F (-7.3°C).

Humidity

With an average relative humidity of 79%, January is the most humid month.

Rainfall

The month with the least rainfall is January, when the rain falls for 2.5 days and typically collects 0.43" (11mm) of precipitation.

Snowfall

January through May, September through December are months with snowfall in Johnstown. In Johnstown, during January, snow falls for 9.6 days and regularly aggregates up to 2.01" (51mm) of snow. In Johnstown, during the entire year, snow falls for 39.8 days and aggregates up to 13.94" (354mm) of snow.

Daylight

The average length of the day in January is 9h and 29min.
On the first day of the month, sunrise is at 8:10 am and sunset at 5:17 pm. On the last day of January, in Johnstown, Nebraska, sunrise is at 7:55 am and sunset at 5:51 pm CST.

Sunshine

With an average of 5.2h of sunshine, January has the least sunshine of the year.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: In January, the maximum UV index of 2 transforms into these recommendations:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Updated: Aug 17, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What month is the coldest?

Johnstown reaches its average lowest temperatures in January, measuring 31.1°F (-0.5°C) at the peak and 18.9°F (-7.3°C) at the lowest.

How cold is it in January?

In Johnstown, in January, the average high-temperature is 31.1°F (-0.5°C), and the average low-temperature is 18.9°F (-7.3°C).

What is the most humid month?

With an average relative humidity of 79%, January is the most humid month.

What is the average humidity in January?

The average relative humidity in January is 79%.

What is the driest month in Johnstown?

January is the month with the least rainfall. Rain falls for 2.5 days and accumulates 0.43" (11mm) of precipitation.

How much does it rain in January?

In Johnstown, in January, during 2.5 rainfall days, 0.43" (11mm) of precipitation is typically accumulated.

How much does it snow in January?

In January, it is snowing for 9.6 days. Throughout January, 2.01" (51mm) of snow is accumulated.

What is the average length of the day in January?

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

When are sunrise and sunset in January?

In January, on the first day of the month, sunrise is at 8:10 am and sunset at 5:17 pm. On the last day of the month, sunrise is at 7:55 am and sunset at 5:51 pm CST.

What is the month with the least sunshine?

The month with the least sunshine is January, with an average of 5.2h of sunshine.

How long on average sun shines in January?

In January, the average sunshine duration is 5.2h.

What is the month with the lowest UV index?

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

What is the UV index intensity in January?

In Johnstown, the average daily maximum UV index in January is 2. A UV Index value of 2, and less, symbolizes 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
Johnstown, NE

Average temperature in January - Johnstown, NE
  • Average high temperature in January: 31.1°F

The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (31.1°F).

  • Average low temperature in January: 18.9°F

The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).

Average pressure in January
Johnstown, NE

Average pressure in January - Johnstown, NE
  • Average pressure in January: 30.16"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).

Average wind speed in January
Johnstown, NE

Average wind speed in January - Johnstown, NE
  • Average wind speed in January: 12.2mph

The windiest month (with the highest average wind speed) is April (13.3mph).
The calmest months (with the lowest average wind speed) are July and August (10.7mph).

Average humidity in January
Johnstown, NE

Average humidity in January - Johnstown, NE
  • Average humidity in January: 79%

The month with the highest relative humidity is January (79%).
The month with the lowest relative humidity is September (59%).

Average rainfall in January
Johnstown, NE

Average rainfall in January - Johnstown, NE
  • Average rainfall in January: 0.43"

The wettest month (with the highest rainfall) is June (2.8").
The driest month (with the least rainfall) is January (0.43").

Average rainfall days in January
Johnstown, NE

Average rainfall days in January - Johnstown, NE
  • Average rainfall days in January: 2.5 days

The month with the highest number of rainy days is May (14.8 days).
The months with the least rainy days are February and December (2.3 days).

Average snowfall in January
Johnstown, NE

Average snowfall in January - Johnstown, NE
  • Average snowfall in January: 2.01"

The month with the highest snowfall is December (2.99").
The months with the least snowfall are June, July and August (0").

Average snowfall days in January
Johnstown, NE

Average snowfall days in January - Johnstown, NE
  • Average snowfall days in January: 9.6 days

The month with the highest number of snowfall days is January (9.6 days).
The months with the least snowfall days are June, July and August (0 days).

Average daylight in January /
Average sunshine in January
Johnstown, NE

Average daylight in January / Average sunshine in January - Johnstown, NE
  • 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: 5h and 1min

The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 12min).

Average sunshine days in January
Johnstown, NE

Average sunshine days in January - Johnstown, NE
  • Average sunshine days in January: 19.8 days

The month with the most sunshine days is November (21.8 days).
The month with the least sunshine days is June (11.8 days).

Average UV index in January
Johnstown, NE

Average UV index in January - Johnstown, NE
  • Average UV index in January: 2

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

Average cloud cover in January
Johnstown, NE

Average cloud cover in January - Johnstown, NE
  • Average cloud cover in January: 45

The months with the most cloud cover are January and February (Cloud cover 45).
The month with the least cloud cover is August (Cloud cover 22).

Average visibility in January
Johnstown, NE

Average visibility in January - Johnstown, NE
  • 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).

Johnstown, Nebraska, USA

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