May weather forecastRiverview, MO
May
Weather in May
May, the last month of the spring in Riverview, is a moderately hot month, with temperature in the range of an average high of 74.7°F (23.7°C) and an average low of 57.7°F (14.3°C).Temperature
The onset of May marks an increase in the average high-temperature, moving from an enjoyable 65.1°F (18.4°C) in April to a warm 74.7°F (23.7°C). Riverview observes an average low-temperature of 57.7°F (14.3°C) during May nights.Humidity
With an average relative humidity of 78%, May is the most humid month.Rainfall
May is the month with the most rainfall. Rain falls for 17.8 days and accumulates 4.21" (107mm) of precipitation.Snowfall
In Riverview, snow does not fall in April through October.Daylight
In Riverview, the average length of the day in May is 14h and 18min.On the first day of the month, sunrise is at 6:02 am and sunset at 7:53 pm. On the last day of May, sunrise is at 5:37 am and sunset at 8:19 pm CDT.
Sunshine
In Riverview, Missouri, the average sunshine in May is 9.5h.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for the average person.Note: In May, a daily maximum UV index of 6 leads to the following instructions:
Stand by precautions and apply sun safety measures. Evading sunburn is of great importance. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. 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
Average temperature in May
Riverview, MO
- Average high temperature in May: 74.7°F
The warmest month (with the highest average high temperature) is July (86.2°F).
The month with the lowest average high temperature is January (37.2°F).
- Average low temperature in May: 57.7°F
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).
Average pressure in May
Riverview, MO
- Average pressure in May: 29.96"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
Riverview, MO
- Average wind speed in May: 7.3mph
The windiest month (with the highest average wind speed) is January (9.4mph).
The calmest month (with the lowest average wind speed) is July (5.5mph).
Average humidity in May
Riverview, MO
- Average humidity in May: 78%
The month with the highest relative humidity is May (78%).
The month with the lowest relative humidity is October (71%).
Average rainfall in May
Riverview, MO
- Average rainfall in May: 4.21"
The wettest month (with the highest rainfall) is May (4.21").
The driest month (with the least rainfall) is February (1.93").
Average rainfall days in May
Riverview, MO
- Average rainfall days in May: 17.8 days
The months with the highest number of rainy days are May and July (17.8 days).
The month with the least rainy days is January (8.4 days).
Average snowfall in May
Riverview, MO
- Average snowfall in May: 0"
The month with the highest snowfall is February (2.4").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in May
Riverview, MO
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (6.3 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
Riverview, MO
- Average daylight in May: 14h and 18min
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 30min).
- Average sunshine in May: 9h and 30min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).
Average sunshine days in May
Riverview, MO
- Average sunshine days in May: 10.7 days
The month with the most sunshine days is December (18 days).
The month with the least sunshine days is June (10.1 days).
Average UV index in May
Riverview, 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, November and December (UV index 2).
Average cloud cover in May
Riverview, MO
- Average cloud cover in May: 37
The month with the most cloud cover is January (Cloud cover 50).
The months with the least cloud cover are June and August (Cloud cover 28).
Average visibility in May
Riverview, 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).
