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
Clay, Missouri, sees an increase in the average high-temperature with the arrival of May, moving from April's enjoyable 61.9°F (16.6°C) to an agreeable 70.9°F (21.6°C). Clay's nights in May cool down to an average low-temperature of 54.3°F (12.4°C).Humidity
In Clay, the average relative humidity in May is 81%.Rainfall
In Clay, during May, the rain falls for 17.2 days and regularly aggregates up to 3.46" (88mm) of precipitation. In Clay, during the entire year, the rain falls for 136.5 days and collects up to 26.69" (678mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
The average length of the day in May in Clay is 14h and 26min.On the first day of the month, sunrise is at 6:08 am and sunset at 8:05 pm. On the last day of May, sunrise is at 5:42 am and sunset at 8:32 pm CDT.
Sunshine
The average sunshine in May in Clay, Missouri, is 8.8h.UV index
The average daily maximum UV index in May in Clay, Missouri, is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: An average UV index of 5 in May transforms into this advice:
Act with care - The need to guard against sun damage is communicated. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are May temperatures in Clay?
What is the average humidity in May in Clay?
How much does it rain in Clay in May?
When it does not snow in Clay?
Does it snow in Clay in May?
What is the average length of the day in May in Clay?
What time are sunrise and sunset in May in Clay?
How long on average sun shines in May in Clay?
What is the UV index intensity in May in Clay?
Average temperature in May
Clay, MO
- Average high temperature in May: 70.9°F
The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (32°F).
- Average low temperature in May: 54.3°F
The month with the highest average low temperature is July (66.4°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure in May
Clay, MO
- Average pressure in May: 29.94"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in May
Clay, MO
- Average wind speed in May: 8.5mph
The windiest months (with the highest average wind speed) are January and February (10.5mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).
Average humidity in May
Clay, MO
- Average humidity in May: 81%
The month with the highest relative humidity is June (82%).
The month with the lowest relative humidity is October (72%).
Average rainfall in May
Clay, MO
- Average rainfall in May: 3.46"
The wettest month (with the highest rainfall) is June (3.66").
The driest month (with the least rainfall) is January (1.06").
Average rainfall days in May
Clay, MO
- Average rainfall days in May: 17.2 days
The month with the highest number of rainy days is May (17.2 days).
The month with the least rainy days is January (4.8 days).
Average snowfall in May
Clay, MO
- Average snowfall in May: 0"
The month with the highest snowfall is January (3.5").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Clay, MO
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (7.9 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Clay, MO
- Average daylight in May: 14h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in May: 8h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).
Average sunshine days in May
Clay, MO
- Average sunshine days in May: 11.9 days
The month with the most sunshine days is December (20 days).
The month with the least sunshine days is June (11.4 days).
Average UV index in May
Clay, MO
- Average UV index in May: 5
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in May
Clay, MO
- Average cloud cover in May: 39
The month with the most cloud cover is January (Cloud cover 51).
The month with the least cloud cover is July (Cloud cover 28).
Average visibility in May
Clay, MO
- 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).
Clay, Missouri, USA
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