Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average snowfall in May
- Average snowfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
May's onset brings a subtle temperature rise, moving from a pleasant 70.3°F (21.3°C) in April to a moderately hot 76.8°F (24.9°C). Saint Louis experiences an average nighttime temperature of 59.7°F (15.4°C) in the month of May.Humidity
With an average relative humidity of 79%, May is the most humid month in Saint Louis.Rainfall
May is the month with the most rainfall in Saint Louis. Rain falls for 12.4 days and accumulates 2.6" (66mm) of precipitation.Snowfall
May through October are months without snowfall in Saint Louis.Daylight
In Saint Louis, the average length of the day in May is 14h and 1min.On the first day of May, sunrise is at 6:35 am and sunset at 8:13 pm. On the last day of the month, sunrise is at 6:14 am and sunset at 8:36 pm CDT.
Sunshine
In Saint Louis, Oklahoma, the average sunshine in May is 8.8h.UV index
The average daily maximum UV index in May is 6. A UV Index reading of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for the average person.Note: An average UV index of 6 in May transforms into this advice:
Sustain precautions and conform to sun safety norms. Preventing sunburn is necessary. Remember that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. Make an effort to avoid direct sun exposure during these hours. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Frequently asked questions
What are the temperatures in Saint Louis in May?
What is the most humid month in Saint Louis?
What is the average humidity in May in Saint Louis?
What is the wettest month in Saint Louis?
How many days does it rain in May in Saint Louis?
When it does not snow in Saint Louis?
Does it snow in Saint Louis in May?
What is the average length of the day in May in Saint Louis?
What time are sunrise and sunset in May in Saint Louis?
How long on average sun shines in May in Saint Louis?
What is the UV index reading in May in Saint Louis?
Average temperature in May
Saint Louis, OK
- Average high temperature in May: 76.8°F
The warmest month (with the highest average high temperature) is August (92.5°F).
The month with the lowest average high temperature is January (49.3°F).
- Average low temperature in May: 59.7°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 (33.4°F).
Average pressure in May
Saint Louis, OK
- Average pressure in May: 29.91"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
Saint Louis, OK
- Average wind speed in May: 9.6mph
The windiest months (with the highest average wind speed) are March and April (11.1mph).
The calmest months (with the lowest average wind speed) are July and August (7.5mph).
Average humidity in May
Saint Louis, OK
- Average humidity in May: 79%
The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is August (63%).
Average rainfall in May
Saint Louis, OK
- Average rainfall in May: 2.6"
The wettest month (with the highest rainfall) is May (2.6").
The driest month (with the least rainfall) is February (0.71").
Average rainfall days in May
Saint Louis, OK
- Average rainfall days in May: 12.4 days
The month with the highest number of rainy days is May (12.4 days).
The month with the least rainy days is January (5.3 days).
Average snowfall in May
Saint Louis, OK
- Average snowfall in May: 0"
The month with the highest snowfall is February (0.75").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in May
Saint Louis, OK
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (1.8 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
Saint Louis, OK
- Average daylight in May: 14h and 0min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in May: 8h and 5min
The month with the most sunshine is August (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 48min).
Average sunshine days in May
Saint Louis, OK
- Average sunshine days in May: 15.9 days
The month with the most sunshine days is January (24 days).
The months with the least sunshine days are April, May and September (15.9 days).
Average UV index in May
Saint Louis, 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
Saint Louis, OK
- Average cloud cover in May: 36
The month with the most cloud cover is March (Cloud cover 39).
The month with the least cloud cover is August (Cloud cover 20).
Average visibility in May
Saint Louis, 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).
Saint Louis, Oklahoma, USA
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