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

January weather forecast and climate
Tulsa, OK

A bridge over the Arkansas River overlooking the scenic Tulsa city in Oklahoma
A bridge over the Arkansas River overlooking the scenic Tulsa city in Oklahoma
January, the same as December, in Tulsa, Oklahoma, is a frosty winter month, with average temperature fluctuating between 27.5°F (-2.5°C) and 48°F (8.9°C).

Temperature

With an average high-temperature of 48°F (8.9°C) and an average low-temperature of 27.5°F (-2.5°C), January is the coldest month.

Humidity

The average relative humidity in January is 66.7%.

Rainfall

January is the month with the least rainfall in Tulsa. Rain falls for 6.1 days and accumulates 1.7" (42.2mm) of precipitation.

Snowfall

Months with snowfall in Tulsa are January through March, November and December. The month with the most snowfall in Tulsa is January when snow falls for 1.9 days and typically aggregates up to 2.7" (68.6mm) of snow.

Daylight

In Tulsa, the average length of the day is 10h.

Sunshine

In January, the average sunshine in Tulsa is 5.7h.

UV index

January and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a low health risk from the exposure to the Sun's UV rays for the ordinary person.
The average daily UV index of 2 transform into the following instructions:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.

What is the coldest month in Tulsa?

January is the coldest month, with an average high-temperature of 48°F (8.9°C) and an average low-temperature of 27.5°F (-2.5°C).

What is the temperature in January in Tulsa?

In Tulsa, Oklahoma, in January, the average high-temperature is 48°F (8.9°C), and the average low-temperature is 27.5°F (-2.5°C).

What is the average humidity in January in Tulsa?

The average relative humidity in January in Tulsa, Oklahoma, is 66.7%.

How many days does it rain in January in Tulsa?

In Tulsa, during January, the rain falls for 6.1 days and regularly aggregates up to 1.7" (42.2mm) of precipitation.

What is the driest month in Tulsa?

January is the month with the least rainfall. Rain falls for 6.1 days and accumulates 1.7" (42.2mm) of precipitation.

How much does it snow in Tulsa in January?

In Tulsa, during January, snow falls for 1.9 days and regularly aggregates up to 2.7" (68.6mm) of snow.

What is the snowiest month in Tulsa?

The month with the most snowfall in Tulsa is January when snow falls for 1.9 days and typically aggregates up to 2.7" (68.6mm) of snow.

How many hours of daylight does Tulsa have in January?

The average length of the day in January is 10h.

How long on average sun shines in January in Tulsa?

The average sunshine in January in Tulsa is 5.7h.

When is the lowest UV index in Tulsa?

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

What is the UV index intensity in January in Tulsa?

In January, the average daily maximum UV index in Tulsa is 2. A UV Index of 2, and less, symbolizes a minimal hazard to health from the exposure to the Sun's UV radiation.
Average temperature in January - Tulsa, OK
  • Average high temperature in January: 48°F

Warmest months (with the highest average high temperature) are July and August (93.1°F).
The month with the lowest average high temperature is January (48°F).

  • Average low temperature in January: 27.5°F

The month with the highest average low temperature is July (72.7°F).
The coldest month (with the lowest average low temperature) is January (27.5°F).

Average humidity in January - Tulsa, OK
  • Average humidity in January: 66.7%

The month with the highest relative humidity is September (70.1%).
The month with the lowest relative humidity is April (61.2%).

Average rainfall in January - Tulsa, OK
  • Average rainfall in January: 1.7"

The wettest month (with the highest rainfall) is May (5.9").
The driest month (with the lowest rainfall) is January (1.7").

Average rainfall days in January - Tulsa, OK
  • Average rainfall days in January: 6.1 days

The month with the highest number of rainy days is May (10.5 days).
The month with the lowest number of rainy days is January (6.1 days).

Average snowfall in January - Tulsa, OK
  • Average snowfall in January: 2.7"

The month with the highest snowfall is January (2.7").
Months with the lowest snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in January - Tulsa, OK
  • Average snowfall days in January: 1.9 days

The month with the highest number of snowfall days is January (1.9 days).
Months with the lowest number of snowfall days are April, May, June, July, August, September and October (0 days).

Average daylight in January / Average sunshine in January - Tulsa, OK
  • Average daylight in January: 10h

The month with the longest days is June (Average daylight: 14.6h).
The month with shortest days is December (Average daylight: 9.7h).

  • Average sunshine in January: 5.7h

The month with most sunshine is July (Average sunshine: 10.8h).
The month with least sunshine is December (Average sunshine: 5.2h).

Average UV index in January - Tulsa, OK
  • Average UV index in January: 2

Months with the highest UV index are June and July (UV index 10).
Months with the lowest UV index are January and December (UV index 2).