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
Florissant in May sees a temperature change, with average high-temperatures moving from a comfortable 65.1°F (18.4°C) in April to a moderately hot 74.8°F (23.8°C). During the month of May, Florissant's nighttime temperature lowers to an average of 57.6°F (14.2°C).Humidity
With an average relative humidity of 78%, May is the most humid month in Florissant, Missouri.Rainfall
The month with the most rainfall in Florissant is May, when the rain falls for 17.5 days and typically aggregates up to 3.82" (97mm) of precipitation.Snowfall
April through October are months without snowfall.Daylight
In Florissant, Missouri, the average length of the day in May is 14h and 19min.On the first day of the month, sunrise is at 6:02 am and sunset at 7:54 pm. On the last day of May, sunrise is at 5:38 am and sunset at 8:20 pm CDT.
Sunshine
In Florissant, 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 value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for the average person.Note: The average daily UV index of 6 in May transforms into the following instructions:
Implement precautions and maintain sun safety methods. Avoidance of sunburn is demanded. The Sun emits the most powerful UV radiation between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
Frequently asked questions
What are May temperatures in Florissant?
What is the most humid month in Florissant?
What is the average humidity in May in Florissant?
What is the rainiest month in Florissant?
How many days does it rain in May in Florissant?
When it does not snow in Florissant?
How many hours of daylight does Florissant have in May?
What time are sunrise and sunset in May in Florissant?
How long on average sun shines in May in Florissant?
What are the months with the highest UV index in Florissant?
How high is the UV index in May in Florissant?
Average temperature in May
Florissant, MO
- Average high temperature in May: 74.8°F
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (37.2°F).
- Average low temperature in May: 57.6°F
The month with the highest average low temperature is July (68.7°F).
The coldest month (with the lowest average low temperature) is January (24.1°F).
Average pressure in May
Florissant, 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
Florissant, MO
- Average wind speed in May: 7.3mph
The windiest month (with the highest average wind speed) is January (9.3mph).
The calmest month (with the lowest average wind speed) is July (5.6mph).
Average humidity in May
Florissant, 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 (70%).
Average rainfall in May
Florissant, MO
- Average rainfall in May: 3.82"
The wettest month (with the highest rainfall) is May (3.82").
The driest month (with the least rainfall) is February (1.69").
Average rainfall days in May
Florissant, MO
- Average rainfall days in May: 17.5 days
The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is January (7.3 days).
Average snowfall in May
Florissant, MO
- Average snowfall in May: 0"
The month with the highest snowfall is February (2.95").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in May
Florissant, MO
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (6.7 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
Florissant, MO
- Average daylight in May: 14h and 2min
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 3min
The months with the most sunshine are June and July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in May
Florissant, MO
- Average sunshine days in May: 11 days
The month with the most sunshine days is October (19 days).
The month with the least sunshine days is May (11 days).
Average UV index in May
Florissant, 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
Florissant, MO
- Average cloud cover in May: 37
The month with the most cloud cover is January (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in May
Florissant, 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).
Florissant, Missouri, USA
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