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

May 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
The last month of the spring, May, is a warm month in Tulsa, Oklahoma, with average temperature fluctuating between 59.2°F (15.1°C) and 79.3°F (26.3°C).

Temperature

In May, the average high-temperature marginally rises, from an agreeable 71.8°F (22.1°C) in April, to a warm 79.3°F (26.3°C). The average low-temperature, in Tulsa, is 59.2°F (15.1°C).

Humidity

In Tulsa, the average relative humidity in May is 69.1%.

Rainfall

The month with the most rainfall is May when the rain falls for 10.5 days and typically aggregates up to 5.9" (150.1mm) of precipitation.

Snowfall

April through October are months without snowfall.

Daylight

In Tulsa, Oklahoma, the average length of the day is 14.1h.

Sunshine

In May, the average sunshine is 8.6h.

UV index

The average daily maximum UV index in May is 9. A UV Index value of 8 to 10 symbolizes a very high health hazard from the exposure to the Sun's UV rays for the ordinary person.
Note: The average daily UV index of 9 transform into the following instructions:
Take special precautions, as unprotected skin can be damaged and can burn quickly. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.

What is the temperature in May in Tulsa?

The average high-temperature, in May, is 79.3°F (26.3°C), while the average low-temperature is 59.2°F (15.1°C).

What is the average humidity in May in Tulsa?

In May, the average relative humidity in Tulsa, Oklahoma, is 69.1%.

How much does it rain in Tulsa in May?

In Tulsa, in May, during 10.5 rainfall days, 5.9" (150.1mm) of precipitation is typically accumulated.

What is the wettest month in Tulsa?

The month with the most rainfall is May when the rain falls for 10.5 days and typically aggregates up to 5.9" (150.1mm) of precipitation.

When it does not snow in Tulsa?

April through October are months without snowfall in Tulsa.

How many hours of daylight does Tulsa have in May?

The average length of the day in May in Tulsa, Oklahoma, is 14.1h.

How long on average sun shines in May in Tulsa?

In Tulsa, the average sunshine in May is 8.6h.

What is the UV index reading in May in Tulsa?

In Tulsa, the average daily maximum UV index in May is 9. A UV Index estimate of 8 to 10 represents a very high health risk from the exposure to the Sun's UV radiation.
Average temperature in May - Tulsa, OK
  • Average high temperature in May: 79.4°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 May: 59.1°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 May - Tulsa, OK
  • Average humidity in May: 69.1%

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 May - Tulsa, OK
  • Average rainfall in May: 5.9"

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 May - Tulsa, OK
  • Average rainfall days in May: 10.5 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 May - Tulsa, OK
  • Average snowfall in May: 0"

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 May - Tulsa, OK
  • Average snowfall days in May: 0 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 May / Average sunshine in May - Tulsa, OK
  • Average daylight in May: 14.1h

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 May: 8.6h

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 May - Tulsa, OK
  • Average UV index in May: 9

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).