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
A rise in the average high-temperature is observed during May, moving from a refreshing 66.2°F (19°C) in April to a warm 76.5°F (24.7°C). May sees the temperature falling to a mean low of 55.9°F (13.3°C).Humidity
In May, the average relative humidity is 77%.Rainfall
In May, in Saint James, the rain falls for 15.3 days. Throughout May, 3.03" (77mm) of precipitation is accumulated. In Saint James, during the entire year, the rain falls for 137 days and collects up to 24.61" (625mm) of precipitation.Snowfall
In Saint James, snow does not fall in April through October.Daylight
In Saint James, the average length of the day in May is 14h and 14min.On the first day of May, sunrise is at 6:09 am and sunset at 7:57 pm. On the last day of the month, sunrise is at 5:45 am and sunset at 8:23 pm CDT.
Sunshine
In May, the average sunshine is 9.1h.UV index
The months with the highest UV index in Saint James, Missouri, are May through August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for the average person.Note: A daily maximum UV index of 6 in May translates into the following instructions:
Use protective steps and abide by sun safety guidelines. Safeguarding against skin and eye harm is necessary. 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. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average May temperature in Saint James?
What is the average humidity in May in Saint James?
How many days does it rain in May in Saint James?
When it does not snow in Saint James?
What is the average length of the day in May in Saint James?
When are sunrise and sunset in May in Saint James?
How long on average sun shines in May in Saint James?
What are the months with the highest UV index in Saint James?
What is the UV index intensity in May in Saint James?
Average temperature in May
Saint James, MO
- Average high temperature in May: 76.5°F
The warmest month (with the highest average high temperature) is July (89.2°F).
The month with the lowest average high temperature is January (39.6°F).
- Average low temperature in May: 55.9°F
The month with the highest average low temperature is July (67.1°F).
The coldest month (with the lowest average low temperature) is January (24.8°F).
Average pressure in May
Saint James, MO
- Average pressure in May: 29.95"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in May
Saint James, MO
- Average wind speed in May: 6.8mph
The windiest month (with the highest average wind speed) is January (8.3mph).
The calmest months (with the lowest average wind speed) are July and August (5.3mph).
Average humidity in May
Saint James, MO
- Average humidity in May: 77%
The month with the highest relative humidity is March (78%).
The month with the lowest relative humidity is October (73%).
Average rainfall in May
Saint James, MO
- Average rainfall in May: 3.03"
The wettest month (with the highest rainfall) is April (3.19").
The driest month (with the least rainfall) is February (1.3").
Average rainfall days in May
Saint James, MO
- Average rainfall days in May: 15.3 days
The month with the highest number of rainy days is July (15.7 days).
The month with the least rainy days is January (6.5 days).
Average snowfall in May
Saint James, MO
- Average snowfall in May: 0"
The months with the highest snowfall are February and December (2.09").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in May
Saint James, MO
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (7.6 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
Saint James, MO
- Average daylight in May: 14h and 1min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in May: 9h and 1min
The months with the most sunshine are June and July (Average sunshine: 10h and 18min).
The months with the least sunshine are January and February (Average sunshine: 4h and 36min).
Average sunshine days in May
Saint James, MO
- Average sunshine days in May: 13 days
The month with the most sunshine days is October (19.5 days).
The month with the least sunshine days is July (12.6 days).
Average UV index in May
Saint James, MO
- Average UV index in May: 6
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in May
Saint James, MO
- Average cloud cover in May: 40
The months with the most cloud cover are February and March (Cloud cover 51).
The month with the least cloud cover is June (Cloud cover 30).
Average visibility in May
Saint James, MO
- Average visibility in May: 5mi
The months with the highest visibility are January, February, March, April, June, October, November and December (6mi).
The months with the lowest visibility are May, July, August and September (5mi).
Saint James, Missouri, USA
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