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
May brings a temperature change, with average high-temperatures moving from April's enjoyable 65.5°F (18.6°C) to a moderately hot 74.8°F (23.8°C). Throughout May, Webster Groves witnesses a consistent average low-temperature of 57.7°F (14.3°C).Humidity
The most humid month in Webster Groves is May, with an average relative humidity of 78%.Rainfall
The month with the most rainfall in Webster Groves is May, when the rain falls for 16.9 days and typically aggregates up to 3.58" (91mm) of precipitation.Snowfall
April through October are months without snowfall.Daylight
In Webster Groves, Missouri, the average length of the day in May is 14h and 17min.On the first day of the month, sunrise is at 6:03 am and sunset at 7:53 pm. On the last day of May, sunrise is at 5:38 am and sunset at 8:19 pm CDT.
Sunshine
In May, the average sunshine is 9.5h.UV index
May through August, with an average maximum UV index of 6, are months with the highest UV index in Webster Groves. A UV Index reading of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: The maximum UV index of 6 during May translates into these guidelines:
Continue precautions and advocate sun safety advice. Deterrence of sunburn is indispensable. From 10 a.m. to 4 p.m., when UV radiation is at its strongest, limit direct exposure to the Sun and note that shade structures may not provide full sun protection. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
Frequently asked questions
What are May temperatures in Webster Groves?
What is the most humid month in Webster Groves?
What is the average humidity in May in Webster Groves?
What is the rainiest month in Webster Groves?
How much does it rain in Webster Groves in May?
When it does not snow in Webster Groves?
What is the average length of the day in May in Webster Groves?
When are sunrise and sunset in May in Webster Groves?
How many hours of sunshine does Webster Groves have in May?
When is the highest UV index in Webster Groves?
What is the UV index intensity in May in Webster Groves?
Average temperature in May
Webster Groves, MO
- Average high temperature in May: 74.8°F
The warmest month (with the highest average high temperature) is July (86.9°F).
The month with the lowest average high temperature is January (37.8°F).
- Average low temperature in May: 57.7°F
The month with the highest average low temperature is July (69.1°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).
Average pressure in May
Webster Groves, 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
Webster Groves, MO
- Average wind speed in May: 7.2mph
The windiest month (with the highest average wind speed) is January (9.2mph).
The calmest months (with the lowest average wind speed) are July and August (5.5mph).
Average humidity in May
Webster Groves, 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
Webster Groves, MO
- Average rainfall in May: 3.58"
The wettest month (with the highest rainfall) is May (3.58").
The driest month (with the least rainfall) is February (1.69").
Average rainfall days in May
Webster Groves, MO
- Average rainfall days in May: 16.9 days
The month with the highest number of rainy days is May (16.9 days).
The month with the least rainy days is January (6.5 days).
Average snowfall in May
Webster Groves, MO
- Average snowfall in May: 0"
The month with the highest snowfall is February (2.6").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in May
Webster Groves, MO
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (5.2 days).
The months with the least snowfall days are May, June, July and August (0 days).
Average daylight in May /
Average sunshine in May
Webster Groves, 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 January (Average sunshine: 4h and 36min).
Average sunshine days in May
Webster Groves, MO
- Average sunshine days in May: 11.5 days
The month with the most sunshine days is January (21 days).
The month with the least sunshine days is June (11.2 days).
Average UV index in May
Webster Groves, 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
Webster Groves, MO
- Average cloud cover in May: 36
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
Webster Groves, 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).
Webster Groves, Missouri, USA
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