January weather forecast
Brighton, IA

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Weather in January

January, the same as December, in Brighton, Iowa, is a freezing cold winter month, with an average temperature varying between 28.8°F (-1.8°C) and 16.5°F (-8.6°C).

Temperature

In Brighton, the month of January is known for its lowest average temperatures, reaching a high of 28.8°F (-1.8°C) and a low of 16.5°F (-8.6°C).

Humidity

January and July, with an average relative humidity of 83%, are the most humid months.

Rainfall

In Brighton, during January, the rain falls for 4.4 days and regularly aggregates up to 0.79" (20mm) of precipitation. In Brighton, during the entire year, the rain falls for 123.7 days and collects up to 18.94" (481mm) of precipitation.

Snowfall

January through April, October through December are months with snowfall in Brighton. January is the month with the most snowfall. Snow falls for 8.9 days and accumulates 2.52" (64mm) of snow.

Daylight

In January, the average length of the day in Brighton is 9h and 37min.
On the first day of the month, sunrise is at 7:32 am and sunset at 4:48 pm. On the last day of January, in Brighton, sunrise is at 7:19 am and sunset at 5:22 pm CST.

Sunshine

With an average of 4.2h of sunshine, January has the least sunshine of the year.

UV index

January is the month with the lowest UV index, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for the average person.
Note: During January, 1 as the daily maximum UV index converts into the following advice:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
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Frequently asked questions

What time of the year is the coldest in Brighton?

The coldest period in Brighton, Iowa, is January, when temperatures fluctuate between an average high of 28.8°F (-1.8°C) and a low of 16.5°F (-8.6°C).

How cold is it in Brighton in January?

The average high-temperature, in January, in Brighton, is 28.8°F (-1.8°C), while the average low-temperature is 16.5°F (-8.6°C).

What are the most humid months in Brighton?

January and July, with an average relative humidity of 83%, are most humid months in Brighton.

What is the average humidity in January in Brighton?

In January, the average relative humidity in Brighton is 83%.

How much does it rain in Brighton in January?

In January, the rain falls for 4.4 days. Throughout January, 0.79" (20mm) of precipitation is accumulated.

What is the snowiest month in Brighton?

January is the month with the most snowfall. Snow falls for 8.9 days and accumulates 2.52" (64mm) of snow.

How much does it snow in Brighton in January?

In January, in Brighton, Iowa, it is snowing for 8.9 days. Throughout January, 2.52" (64mm) of snow is accumulated.

How many hours of daylight does Brighton have in January?

In Brighton, the average day length in January is 9h and 37min.

When is the sunrise / sunset in January in Brighton?

On the first day of January, sunrise is at 7:32 am and sunset at 4:48 pm. On the last day of the month, sunrise is at 7:19 am and sunset at 5:22 pm CST.

What is the month with the least sunshine in Brighton?

January has the least sunshine of the year in Brighton, with an average of 4.2h of sunshine.

How many hours of sunshine does Brighton have in January?

The average sunshine duration in January in Brighton is 4.2h.

What is the month with the lowest UV index in Brighton?

January is the month with the lowest UV index in Brighton, Iowa, with an average maximum UV index of 1.

How high is the UV index in January in Brighton?

In Brighton, the average daily maximum UV index in January is 1. A UV Index of 2, and less, symbolizes a low health threat 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 January
Brighton, IA

Average temperature in January - Brighton, IA
  • Average high temperature in January: 28.8°F

The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (28.8°F).

  • Average low temperature in January: 16.5°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 (16.5°F).

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Average pressure in January
Brighton, IA

Average pressure in January - Brighton, IA
  • Average pressure in January: 30.14"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

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Average wind speed in January
Brighton, IA

Average wind speed in January - Brighton, IA
  • 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 (6.8mph).

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Average humidity in January
Brighton, IA

Average humidity in January - Brighton, IA
  • Average humidity in January: 83%

The months with the highest relative humidity are January and July (83%).
The month with the lowest relative humidity is October (72%).

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Average rainfall in January
Brighton, IA

Average rainfall in January - Brighton, IA
  • Average rainfall in January: 0.79"

The wettest month (with the highest rainfall) is May (2.91").
The driest month (with the least rainfall) is December (0.71").

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Average rainfall days in January
Brighton, IA

Average rainfall days in January - Brighton, IA
  • Average rainfall days in January: 4.4 days

The month with the highest number of rainy days is May (17 days).
The month with the least rainy days is February (4.2 days).

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Average snowfall in January
Brighton, IA

Average snowfall in January - Brighton, IA
  • Average snowfall in January: 2.52"

The month with the highest snowfall is January (2.52").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in January
Brighton, IA

Average snowfall days in January - Brighton, IA
  • Average snowfall days in January: 8.9 days

The month with the highest number of snowfall days is January (8.9 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
Brighton, IA

Average daylight in January / Average sunshine in January - Brighton, IA
  • Average daylight in January: 9h and 4min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in January: 4h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).

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Average sunshine days in January
Brighton, IA

Average sunshine days in January - Brighton, IA
  • Average sunshine days in January: 18.1 days

The month with the most sunshine days is December (20.5 days).
The month with the least sunshine days is May (10.9 days).

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Average UV index in January
Brighton, IA

Average UV index in January - Brighton, IA
  • Average UV index in January: 1

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

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Average cloud cover in January
Brighton, IA

Average cloud cover in January - Brighton, IA
  • Average cloud cover in January: 55

The month with the most cloud cover is January (Cloud cover 55).
The months with the least cloud cover are August and September (Cloud cover 29).

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Average visibility in January
Brighton, IA

Average visibility in January - Brighton, IA
  • Average visibility in January: 6mi

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

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Brighton, Iowa, USA

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