May weather forecastTulsa, OK
May
Weather in May
May in Tulsa, Oklahoma, marks a significant shift towards summer. The chill completely dissipates as temperatures maintain a steady climb upwards. The high temperature inevitably leads to elevated levels of humidity, a feature noticeably absent in April. Consequently, May sees a peak in rainfall, dots of wet days breaking the otherwise hot weather. Despite the showers, May possesses a generous quantity of daylight hours, indicating the approaching summer solstice.Temperature
Tulsa observes a slight uplift in the average high-temperature with the onset of May, adjusting from April's agreeable 69.1°F (20.6°C) to a warm 76.1°F (24.5°C). May nights cool down to an average low-temperature of 59.4°F (15.2°C).Humidity
May is the most humid month in Tulsa, with an average relative humidity of 79%.Rainfall
The month with the most rainfall is May, when the rain falls for 13.8 days and typically aggregates up to 3.78" (96mm) of precipitation.Snowfall
In Tulsa, Oklahoma, snow does not fall in April through October.Daylight
In May, the average length of the day is 14h and 6min.On the first day of May, sunrise is at 6:30 am and sunset at 8:11 pm. On the last day of the month, sunrise is at 6:08 am and sunset at 8:35 pm CDT.
Sunshine
In Tulsa, the average sunshine in May is 8.5h.UV index
In Tulsa, the average daily maximum UV index in May is 6. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: A maximum high daily UV index of 6 during May translates into the following directions:
Resist overexposure. Safeguarding from solar damage is indispensable. Seek shade and limit direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Keep in mind that shade structures like parasols or canopies do not offer complete sun protection. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Tulsa, OK
- Average high temperature in May: 76.1°F
The warmest month (with the highest average high temperature) is July (91.2°F).
The month with the lowest average high temperature is January (46.6°F).
- Average low temperature in May: 59.4°F
The month with the highest average low temperature is July (72.3°F).
The coldest month (with the lowest average low temperature) is January (31.1°F).
Average pressure in May
Tulsa, OK
- Average pressure in May: 29.92"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in May
Tulsa, OK
- Average wind speed in May: 8.9mph
The windiest month (with the highest average wind speed) is March (10.7mph).
The calmest month (with the lowest average wind speed) is July (7mph).
Average humidity in May
Tulsa, OK
- Average humidity in May: 79%
The month with the highest relative humidity is May (79%).
The months with the lowest relative humidity are January, August and October (67%).
Average rainfall in May
Tulsa, OK
- Average rainfall in May: 3.78"
The wettest month (with the highest rainfall) is May (3.78").
The driest month (with the least rainfall) is January (0.75").
Average rainfall days in May
Tulsa, OK
- Average rainfall days in May: 13.8 days
The month with the highest number of rainy days is May (13.8 days).
The month with the least rainy days is December (4.9 days).
Average snowfall in May
Tulsa, OK
- Average snowfall in May: 0"
The month with the highest snowfall is February (0.79").
The months with the least 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 February (2.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
Tulsa, OK
- Average daylight in May: 14h and 6min
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 May: 8h and 30min
The month with the most sunshine is August (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 36min).
Average sunshine days in May
Tulsa, OK
- Average sunshine days in May: 14.3 days
The month with the most sunshine days is December (22.7 days).
The month with the least sunshine days is May (14.3 days).
Average UV index in May
Tulsa, OK
- Average UV index in May: 6
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 May
Tulsa, OK
- Average cloud cover in May: 38
The month with the most cloud cover is March (Cloud cover 41).
The month with the least cloud cover is August (Cloud cover 21).
Average visibility in May
Tulsa, OK
- Average visibility in May: 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).
