January weather forecast
Hennessey, OK

Share

Weather in January

January, the same as December, in Hennessey, Oklahoma, is another chilly winter month, with an average temperature fluctuating between 48°F (8.9°C) and 30.9°F (-0.6°C).

Temperature

With average high temperatures of 48°F (8.9°C) and lows of 30.9°F (-0.6°C), January is the coldest month.

Humidity

The average relative humidity in January is 62%.

Rainfall

In Hennessey, during January, the rain falls for 3.8 days and regularly aggregates up to 0.87" (22mm) of precipitation. Throughout the year, there are 107 rainfall days, and 20.75" (527mm) of precipitation is accumulated.

Snowfall

January through March, October through December are months with snowfall. In Hennessey, Oklahoma, during January, snow falls for 1.8 days and regularly aggregates up to 0.67" (17mm) of snow. Throughout the year, there are 6.6 snowfall days, and 2.28" (58mm) of snow is accumulated.

Daylight

In January, the average length of the day in Hennessey is 10h and 2min.
On the first day of January in Hennessey, sunrise is at 7:42 am and sunset at 5:27 pm. On the last day of the month, sunrise is at 7:33 am and sunset at 5:56 pm CST.

Sunshine

The average sunshine in January is 6.4h.

UV index

In Hennessey, the average daily maximum UV index in January is 3. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.
Note: An average maximum UV index of 3 in January leads to these recommendations:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
[Resources]

Frequently asked questions

What is the coldest month in Hennessey?

Hennessey records the coldest temperatures in January, averaging a high of 48°F (8.9°C) and a low of 30.9°F (-0.6°C).

What are January temperatures in Hennessey?

During January, Hennessey experiences an average high-temperature of 48°F (8.9°C) and a low-temperature of 30.9°F (-0.6°C).

What is the average humidity in January in Hennessey?

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

How much does it rain in Hennessey in January?

In January, in Hennessey, the rain falls for 3.8 days. Throughout January, 0.87" (22mm) of precipitation is accumulated.

How much does it snow in Hennessey in January?

In Hennessey, in January, snow falls for 1.8 days, with typically accumulated 0.67" (17mm) of snow.

How many hours of daylight does Hennessey have in January?

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

What time are sunrise and sunset in January in Hennessey?

On the first day of January in Hennessey, sunrise is at 7:42 am and sunset at 5:27 pm. On the last day of the month, sunrise is at 7:33 am and sunset at 5:56 pm CST.

How long on average sun shines in January in Hennessey?

The average sunshine duration in January in Hennessey, Oklahoma, is 6.4h.

What is the UV index reading in January in Hennessey?

In January, the average daily maximum UV index in Hennessey is 3. A UV Index estimate of 3 to 5 represents a moderate 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
Hennessey, OK

Average temperature in January - Hennessey, OK
  • Average high temperature in January: 48°F

The warmest month (with the highest average high temperature) is July (95.4°F).
The month with the lowest average high temperature is January (48°F).

  • Average low temperature in January: 30.9°F

The month with the highest average low temperature is July (74.8°F).
The coldest month (with the lowest average low temperature) is January (30.9°F).

[Resources]

Average pressure in January
Hennessey, OK

Average pressure in January - Hennessey, 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 (29.87"Hg).

[Resources]

Average wind speed in January
Hennessey, OK

Average wind speed in January - Hennessey, OK
  • Average wind speed in January: 10.5mph

The windiest month (with the highest average wind speed) is April (11.9mph).
The calmest month (with the lowest average wind speed) is August (8.6mph).

[Resources]

Average humidity in January
Hennessey, OK

Average humidity in January - Hennessey, OK
  • Average humidity in January: 62%

The month with the highest relative humidity is May (69%).
The month with the lowest relative humidity is August (56%).

[Resources]

Average rainfall in January
Hennessey, OK

Average rainfall in January - Hennessey, OK
  • Average rainfall in January: 0.87"

The wettest month (with the highest rainfall) is May (3.94").
The driest month (with the least rainfall) is December (0.71").

[Resources]

Average rainfall days in January
Hennessey, OK

Average rainfall days in January - Hennessey, OK
  • Average rainfall days in January: 3.8 days

The month with the highest number of rainy days is May (13 days).
The month with the least rainy days is January (3.8 days).

[Resources]

Average snowfall in January
Hennessey, OK

Average snowfall in January - Hennessey, OK
  • Average snowfall in January: 0.67"

The month with the highest snowfall is February (0.98").
The months with the least snowfall are April, May, June, July, August and September (0").

[Resources]

Average snowfall days in January
Hennessey, OK

Average snowfall days in January - Hennessey, OK
  • Average snowfall days in January: 1.8 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 and September (0 days).

[Resources]

Average daylight in January /
Average sunshine in January
Hennessey, OK

Average daylight in January / Average sunshine in January - Hennessey, 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: 6h and 2min

The months with the most sunshine are June and July (Average sunshine: 11h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 12min).

[Resources]

Average sunshine days in January
Hennessey, OK

Average sunshine days in January - Hennessey, OK
  • Average sunshine days in January: 24.4 days

The month with the most sunshine days is January (24.4 days).
The month with the least sunshine days is April (15.8 days).

[Resources]

Average UV index in January
Hennessey, OK

Average UV index in January - Hennessey, 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).

[Resources]

Average cloud cover in January
Hennessey, OK

Average cloud cover in January - Hennessey, OK
  • Average cloud cover in January: 26

The month with the most cloud cover is March (Cloud cover 36).
The month with the least cloud cover is June (Cloud cover 18).

[Resources]

Average visibility in January
Hennessey, OK

Average visibility in January - Hennessey, 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).

[Resources]

Hennessey, Oklahoma, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location