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
The start of May brings a shift in the average high-temperature, increasing from April's enjoyable 65.5°F (18.6°C) to a warm 75°F (23.9°C). During May, the average low-temperature in Foristell is a refreshing 56.3°F (13.5°C).Humidity
May is the most humid month, with an average relative humidity of 79%.Rainfall
The month with the most rainfall is May, when the rain falls for 17.6 days and typically aggregates up to 3.46" (88mm) of precipitation.Snowfall
In Foristell, snow does not fall in April through October.Daylight
The average length of the day in May in Foristell is 14h and 19min.On the first day of May, sunrise is at 6:05 am and sunset at 7:56 pm. On the last day of the month, sunrise is at 5:40 am and sunset at 8:22 pm CDT.
Sunshine
In Foristell, the average sunshine in May is 9.4h.UV index
The average daily maximum UV index in May in Foristell is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: The average daily UV index of 5 in May transforms into the following instructions:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Frequently asked questions
What are May temperatures in Foristell?
What is the most humid month in Foristell?
What is the average humidity in May in Foristell?
What is the rainiest month in Foristell?
How many days does it rain in May in Foristell?
When it does not snow in Foristell?
What is the average length of the day in May in Foristell?
When are sunrise and sunset in May in Foristell?
How long on average sun shines in May in Foristell?
What is the UV index intensity in May in Foristell?
Average temperature in May
Foristell, MO
- Average high temperature in May: 75°F
The warmest month (with the highest average high temperature) is July (87.4°F).
The month with the lowest average high temperature is January (37.4°F).
- Average low temperature in May: 56.3°F
The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).
Average pressure in May
Foristell, 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
Foristell, MO
- Average wind speed in May: 6.9mph
The windiest month (with the highest average wind speed) is January (8.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.5mph).
Average humidity in May
Foristell, MO
- Average humidity in May: 79%
The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is October (72%).
Average rainfall in May
Foristell, MO
- Average rainfall in May: 3.46"
The wettest month (with the highest rainfall) is May (3.46").
The driest month (with the least rainfall) is January (1.46").
Average rainfall days in May
Foristell, MO
- Average rainfall days in May: 17.6 days
The month with the highest number of rainy days is May (17.6 days).
The month with the least rainy days is January (6.9 days).
Average snowfall in May
Foristell, MO
- Average snowfall in May: 0"
The month with the highest snowfall is January (2.87").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in May
Foristell, MO
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (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
Foristell, 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 2min
The months with the most sunshine are June and July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).
Average sunshine days in May
Foristell, MO
- Average sunshine days in May: 11.1 days
The months with the most sunshine days are January, October and December (19.5 days).
The month with the least sunshine days is May (11.1 days).
Average UV index in May
Foristell, MO
- Average UV index in May: 5
The months with the highest UV index are 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
Foristell, MO
- Average cloud cover in May: 38
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 29).
Average visibility in May
Foristell, MO
- Average visibility in May: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, September, October, November and December (6mi).
The month with the lowest visibility is August (5mi).
Foristell, Missouri, USA
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