January weather forecast
Broken Arrow, OK

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Weather in January

January in Broken Arrow, Oklahoma, experiences a temperature range from 31.5°F (-0.3°C) to 46.4°F (8°C). This month's chilly air often comes with a moderate average wind speed of 9.8mph (15.8km/h), setting a cool start to the year. Compared to the following month, January showcases lower precipitation and humidity levels. Furthermore, with its noticeable 1.7 days of snowfall, January paints Broken Arrow's landscapes white. With the UV index at 2, winter accessories are more about warmth than sun protection.

Temperature

Broken Arrow's coldest month, January, registers temperatures that range from a high of 46.4°F (8°C) to a low of 31.5°F (-0.3°C).

Humidity

The months with the lowest humidity are January, August and October, with an average relative humidity of 68%.

Rainfall

The months with the least rainfall are January and February Rain falls for 6.2 days and accumulates 1.38" (35mm) of rain.

Snowfall

January through March, November and December are months with snowfall. In Broken Arrow, during January, snow falls for 1.7 days and regularly aggregates up to 0.75" (19mm) of snow. Throughout the year, there are 6.2 snowfall days, and 3.35" (85mm) of snow is accumulated.

Daylight

The average length of the day in January is 10h and 2min.
On the first day of January, sunrise is at 7:33 am and sunset at 5:19 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 5:48 pm CST.

Sunshine

In Broken Arrow, the average sunshine in January is 5.8h.

UV index

January 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 vulnerability from exposure to the Sun's UV radiation for ordinary individuals.
Note: The maximum UV index of 2 during January leads to these instructions:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. It's recommended to limit sun exposure when its radiation is at its peak during midday. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.

Frequently asked questions

What time of the year is the coldest?

Broken Arrow's coldest weather arrives in January, when temperatures average a high of 46.4°F (8°C) and a low of 31.5°F (-0.3°C).

What is the usual temperature for Broken Arrow in January?

The average high-temperature and low-temperature during January are 46.4°F (8°C) and 31.5°F (-0.3°C) respectively.

What is the least humid month?

The months with the lowest humidity are January, August and October, with an average relative humidity of 68%.

What is the average humidity in January?

The average relative humidity in January is 68%.

What is the driest month?

The months with the least rainfall are January and February Rain falls for 6.2 days and accumulates 1.38" (35mm) of rain.

How many days does it rain in January?

In January, the rain falls for 6.2 days. Throughout January, 1.38" (35mm) of precipitation is accumulated.

How many days does it snow in January?

In Broken Arrow, during January, snow falls for 1.7 days and regularly aggregates up to 0.75" (19mm) of snow.

How many hours of daylight does Broken Arrow have in January?

In January, the average day length is 10h and 2min.

What time are sunrise and sunset in January?

In January, on the first day of the month, sunrise is at 7:33 am and sunset at 5:19 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 5:48 pm CST.

How long on average sun shines in January?

In Broken Arrow, Oklahoma, the average sunshine duration in January is 5.8h.

When is the lowest UV index?

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

What is the UV index intensity in January in Broken Arrow?

In Broken Arrow, 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 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
Broken Arrow, OK

Average temperature in January - Broken Arrow, OK
  • Average high temperature in January: 46.4°F

The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is January (46.4°F).

  • Average low temperature in January: 31.5°F

The month with the highest average low temperature is July (72.1°F).
The coldest month (with the lowest average low temperature) is January (31.5°F).

Average pressure in January
Broken Arrow, OK

Average pressure in January - Broken Arrow, OK
  • 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 (29.9"Hg).

Average wind speed in January
Broken Arrow, OK

Average wind speed in January - Broken Arrow, OK
  • Average wind speed in January: 9.8mph

The windiest month (with the highest average wind speed) is March (10.7mph).
The calmest month (with the lowest average wind speed) is July (7mph).

Average humidity in January
Broken Arrow, OK

Average humidity in January - Broken Arrow, OK
  • Average humidity in January: 68%

The month with the highest relative humidity is May (80%).
The months with the lowest relative humidity are January, August and October (68%).

Average rainfall in January
Broken Arrow, OK

Average rainfall in January - Broken Arrow, OK
  • Average rainfall in January: 1.38"

The wettest month (with the highest rainfall) is May (5.16").
The driest months (with the least rainfall) are January and February (1.38").

Average rainfall days in January
Broken Arrow, OK

Average rainfall days in January - Broken Arrow, OK
  • Average rainfall days in January: 6.2 days

The month with the highest number of rainy days is May (15.9 days).
The month with the least rainy days is January (6.2 days).

Average snowfall in January
Broken Arrow, OK

Average snowfall in January - Broken Arrow, OK
  • Average snowfall in January: 0.75"

The month with the highest snowfall is February (1.5").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in January
Broken Arrow, OK

Average snowfall days in January - Broken Arrow, OK
  • Average snowfall days in January: 1.7 days

The month with the highest number of snowfall days is February (2.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in January /
Average sunshine in January
Broken Arrow, OK

Average daylight in January / Average sunshine in January - Broken Arrow, OK
  • Average daylight in January: 10h and 0min

The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 48min).

  • Average sunshine in January: 5h and 5min

The months with the most sunshine are July and August (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 36min).

Average sunshine days in January
Broken Arrow, OK

Average sunshine days in January - Broken Arrow, OK
  • Average sunshine days in January: 21.7 days

The month with the most sunshine days is December (22 days).
The month with the least sunshine days is May (13.4 days).

Average UV index in January
Broken Arrow, OK

Average UV index in January - Broken Arrow, OK
  • Average UV index in January: 2

The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January and December (UV index 2).

Average cloud cover in January
Broken Arrow, OK

Average cloud cover in January - Broken Arrow, OK
  • Average cloud cover in January: 34

The month with the most cloud cover is March (Cloud cover 41).
The month with the least cloud cover is August (Cloud cover 21).

Average visibility in January
Broken Arrow, OK

Average visibility in January - Broken Arrow, OK
  • 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).

Broken Arrow, Oklahoma, USA

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