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
With the onset of May, the average high-temperature slightly shifts from April's refreshing 60.4°F (15.8°C) to an agreeable 69.4°F (20.8°C). Throughout May, the temperature tends to fall to a consistent average low of 53.1°F (11.7°C).Humidity
In Mercer, Missouri, the average relative humidity in May is 81%.Rainfall
In Mercer, during May, the rain falls for 17.2 days and regularly aggregates up to 2.8" (71mm) of precipitation. Throughout the year, there are 132.4 rainfall days, and 20.24" (514mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows. During 0.2 snowfall days, in May, Mercer aggregates 0.2" (5mm) of snow. In Mercer, during the entire year, snow falls for 30.2 days and aggregates up to 10.16" (258mm) of snow.Daylight
The average length of the day in May is 14h and 27min.On the first day of the month, sunrise is at 6:11 am and sunset at 8:10 pm. On the last day of May, in Mercer, sunrise is at 5:45 am and sunset at 8:38 pm CDT.
Sunshine
In Mercer, the average sunshine in May is 8.6h.UV index
In Mercer, the average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: A maximum high daily UV index of 5 during May translates into the following directions:
Adopt protective measures - Suggestions to resist sunburn are offered. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Frequently asked questions
What is the average May temperature in Mercer?
What is the average humidity in May in Mercer?
How many days does it rain in May in Mercer?
What is the last month it snows in Mercer?
How many hours of daylight does Mercer have in May?
What time are sunrise and sunset in May in Mercer?
How many hours of sunshine does Mercer have in May?
How high is the UV index in May in Mercer?
Average temperature in May
Mercer, MO
- Average high temperature in May: 69.4°F
The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is January (30.6°F).
- Average low temperature in May: 53.1°F
The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is January (16.9°F).
Average pressure in May
Mercer, MO
- Average pressure in May: 29.93"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
Mercer, MO
- Average wind speed in May: 8.6mph
The windiest months (with the highest average wind speed) are January, February and March (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.9mph).
Average humidity in May
Mercer, MO
- Average humidity in May: 81%
The month with the highest relative humidity is June (83%).
The month with the lowest relative humidity is October (72%).
Average rainfall in May
Mercer, MO
- Average rainfall in May: 2.8"
The wettest month (with the highest rainfall) is June (3.43").
The driest months (with the least rainfall) are January and December (0.67").
Average rainfall days in May
Mercer, MO
- Average rainfall days in May: 17.2 days
The month with the highest number of rainy days is June (17.3 days).
The month with the least rainy days is January (4.8 days).
Average snowfall in May
Mercer, MO
- Average snowfall in May: 0.2"
The month with the highest snowfall is January (2.72").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Mercer, MO
- Average snowfall days in May: 0.2 days
The month with the highest number of snowfall days is January (8.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Mercer, MO
- Average daylight in May: 14h and 3min
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 18min).
- Average sunshine in May: 8h and 4min
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 24min).
Average sunshine days in May
Mercer, MO
- Average sunshine days in May: 10.8 days
The month with the most sunshine days is December (20.3 days).
The month with the least sunshine days is June (8.9 days).
Average UV index in May
Mercer, MO
- Average UV index in May: 5
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in May
Mercer, MO
- Average cloud cover in May: 41
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
Mercer, 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).
Mercer, Missouri, USA
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