January weather forecastHelena, OK

January

Weather in January

January, like December, is another chilly winter month in Helena, Oklahoma, with an average temperature ranging between min 29.7°F (-1.3°C) and max 46.4°F (8°C).

Temperature

Helena's coldest temperatures are experienced in January, with average high temperatures of 46.4°F (8°C) and lows of 29.7°F (-1.3°C).

Humidity

In Helena, the average relative humidity in January is 62%.

Rainfall

In January, the rain falls for 3.7 days. Throughout January, 0.63" (16mm) of precipitation is accumulated. Throughout the year, there are 103.1 rainfall days, and 18.11" (460mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall. In Helena, in January, snow falls for 2.3 days, with typically accumulated 0.79" (20mm) of snow. In Helena, during the entire year, snow falls for 8.7 days and aggregates up to 4.06" (103mm) of snow.

Daylight

In January, the average length of the day is 10h and 0min.
On the first day of January, sunrise is at 7:45 am and sunset at 5:28 pm. On the last day of the month, sunrise is at 7:35 am and sunset at 5:57 pm CST.

Sunshine

In January, the average sunshine is 6.5h.

UV index

In Helena, Oklahoma, the average daily maximum UV index in January is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the average person.
Note: The daily high UV index of 3 during January translates into the following recommendations:
Put precautions into practice - Ensuring skin and eye safety is a necessity. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. To cut down UV radiation exposure by about half, sport a wide-brim hat. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Updated: Jun 22, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Helena records the coldest temperatures in January, averaging a high of 46.4°F (8°C) and a low of 29.7°F (-1.3°C).

The average high-temperature, in January, in Helena, is 46.4°F (8°C), while the average low-temperature is 29.7°F (-1.3°C).

The average relative humidity in January is 62%.

In Helena, in January, during 3.7 rainfall days, 0.63" (16mm) of precipitation is typically accumulated.

In Helena, during January, snow falls for 2.3 days and regularly aggregates up to 0.79" (20mm) of snow.

In Helena, the average day length in January is 10h and 0min.

On the first day of January, sunrise is at 7:45 am and sunset at 5:28 pm. On the last day of the month, sunrise is at 7:35 am and sunset at 5:57 pm CST.

In January, the average sunshine duration is 6.5h.

The average daily maximum UV index in January is 3. A UV Index estimate of 3 to 5 represents a moderate health threat from unprotected exposure to UV radiation.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Helena, OK

  • Average high temperature in January: 46.4°F

The warmest month (with the highest average high temperature) is July (95.2°F).
The month with the lowest average high temperature is January (46.4°F).

  • Average low temperature in January: 29.7°F

The month with the highest average low temperature is July (75.2°F).
The coldest month (with the lowest average low temperature) is January (29.7°F).

Average pressure in January
Helena, 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 (29.86"Hg).

Average wind speed in January
Helena, OK

  • Average wind speed in January: 10.1mph

The windiest month (with the highest average wind speed) is April (11.8mph).
The calmest month (with the lowest average wind speed) is August (8.8mph).

Average humidity in January
Helena, OK

  • Average humidity in January: 62%

The month with the highest relative humidity is May (66%).
The month with the lowest relative humidity is July (54%).

Average rainfall in January
Helena, OK

  • Average rainfall in January: 0.63"

The wettest month (with the highest rainfall) is May (3.5").
The driest month (with the least rainfall) is February (0.51").

Average rainfall days in January
Helena, OK

  • Average rainfall days in January: 3.7 days

The month with the highest number of rainy days is May (13.2 days).
The month with the least rainy days is December (3.6 days).

Average snowfall in January
Helena, OK

  • Average snowfall in January: 0.79"

The month with the highest snowfall is February (1.46").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in January
Helena, OK

  • Average snowfall days in January: 2.3 days

The month with the highest number of snowfall days is February (2.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in January /
Average sunshine in January
Helena, 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 42min).

  • Average sunshine in January: 6h and 30min

The month with the most sunshine is June (Average sunshine: 11h and 24min).
The month with the least sunshine is December (Average sunshine: 6h and 24min).

Average sunshine days in January
Helena, OK

  • Average sunshine days in January: 25.5 days

The month with the most sunshine days is January (25.5 days).
The month with the least sunshine days is May (15 days).

Average UV index in January
Helena, OK

  • Average UV index in January: 3

The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 2).

Average cloud cover in January
Helena, OK

  • Average cloud cover in January: 26

The months with the most cloud cover are March and April (Cloud cover 33).
The month with the least cloud cover is June (Cloud cover 17).

Average visibility in January
Helena, 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).