Duncan
Oklahoma, USA
Long-term weather forecast
Long-term weather forecast

January weather forecast and climate
Duncan, OK

January, like December, in Duncan, Oklahoma, is another fresh winter month, with temperature in the range of an average high of 52°F (11.1°C) and an average low of 28.9°F (-1.7°C).

Temperature

With an average high-temperature of 52°F (11.1°C) and an average low-temperature of 28.9°F (-1.7°C), January is the coldest month.

Humidity

The most humid month in Duncan, Oklahoma, is January, with an average relative humidity of 70%.

Rainfall

January is the month with the least rainfall. Rain falls for 3.5 days and accumulates 1.4" (35.6mm) of precipitation.

Snowfall

January through April and December are months with snowfall.

Daylight

In Duncan, the average length of the day in January is 10.2h.

What is the coldest month in Duncan?

With an average high-temperature of 52°F (11.1°C) and an average low-temperature of 28.9°F (-1.7°C), January is the coldest month in Duncan, Oklahoma.

What is the temperature in January in Duncan?

In Duncan, Oklahoma, in January, the average high-temperature is 52°F (11.1°C), and the average low-temperature is 28.9°F (-1.7°C).

What is the most humid month in Duncan?

With an average relative humidity of 70%, January is the most humid month.

What is the average humidity in January in Duncan?

In January, the average relative humidity in Duncan is 70%.

How much does it rain in Duncan in January?

In Duncan, in January, during 3.5 rainfall days, 1.4" (35.6mm) of precipitation is typically accumulated.

What is the driest month in Duncan?

The month with the least rainfall in Duncan is January when the rain falls for 3.5 days and typically collects 1.4" (35.6mm) of precipitation.

How much does it snow in Duncan in January?

Throughout January, 2" (50.8mm) of snow is accumulated.

How many hours of daylight does Duncan have in January?

In January, the average length of the day is 10.2h.
Average temperature in January - Duncan, OK
  • Average high temperature in January: 52°F

The warmest month (with the highest average high temperature) is August (96°F).
The month with the lowest average high temperature is January (52°F).

  • Average low temperature in January: 29°F

Months with the highest average low temperature are July and August (71°F).
The coldest month (with the lowest average low temperature) is January (29°F).

Average humidity in January - Duncan, OK
  • Average humidity in January: 70%

The month with the highest relative humidity is January (70%).
Months with the lowest relative humidity are August and September (58%).

Average rainfall in January - Duncan, OK
  • Average rainfall in January: 1.4"

The wettest month (with the highest rainfall) is May (6.4").
The driest month (with the lowest rainfall) is January (1.4").

Average rainfall days in January - Duncan, OK
  • Average rainfall days in January: 3.5 days

The month with the highest number of rainy days is May (7.6 days).
The month with the lowest number of rainy days is November (2.9 days).

Average snowfall in January - Duncan, OK
  • Average snowfall in January: 2"

The month with the highest snowfall is February (2.2").
Months with the lowest snowfall are May, June, July, August, September, October and November (0").

Average daylight in January - Duncan, OK
  • Average daylight in January: 10.2h

The month with the longest days is June (Average daylight: 14.4h).
The month with shortest days is December (Average daylight: 9.9h).