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
With the onset of May, Saint Anne experiences a temperature shift, with the average high-temperature moving from a moderate 58.6°F (14.8°C) in April to a pleasant 70.7°F (21.5°C). In May, the average low-temperature records at a fresh 54°F (12.2°C) during the nights.Humidity
In Saint Anne, the average relative humidity in May is 76%.Rainfall
May is the month with the most rainfall. Rain falls for 15.6 days and accumulates 2.2" (56mm) of precipitation.Snowfall
In Saint Anne, snow does not fall in May through October.Daylight
The average length of the day in May is 14h and 30min.On the first day of May in Saint Anne, sunrise is at 5:47 am and sunset at 7:48 pm. On the last day of the month, sunrise is at 5:20 am and sunset at 8:16 pm CDT.
Sunshine
In May, the average sunshine is 8.9h.UV index
In Saint Anne, Illinois, the average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: The UV index of 5 during May leads to these advisories:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Saint Anne in May?
What is the average humidity in May in Saint Anne?
What is the wettest month in Saint Anne?
How many days does it rain in May in Saint Anne?
When it does not snow in Saint Anne?
Does it snow in Saint Anne in May?
What is the average length of the day in May in Saint Anne?
When are sunrise and sunset in May in Saint Anne?
How long on average sun shines in May in Saint Anne?
What is the UV index intensity in May in Saint Anne?
Average temperature in May
Saint Anne, IL
- Average high temperature in May: 70.7°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (30°F).
- Average low temperature in May: 54°F
The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (18.5°F).
Average pressure in May
Saint Anne, IL
- Average pressure in May: 29.96"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in May
Saint Anne, IL
- Average wind speed in May: 8.5mph
The windiest month (with the highest average wind speed) is January (10.1mph).
The calmest months (with the lowest average wind speed) are July and August (6.2mph).
Average humidity in May
Saint Anne, IL
- Average humidity in May: 76%
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (72%).
Average rainfall in May
Saint Anne, IL
- Average rainfall in May: 2.2"
The wettest month (with the highest rainfall) is May (2.2").
The driest month (with the least rainfall) is February (0.67").
Average rainfall days in May
Saint Anne, IL
- Average rainfall days in May: 15.6 days
The month with the highest number of rainy days is July (15.7 days).
The month with the least rainy days is February (5.1 days).
Average snowfall in May
Saint Anne, IL
- Average snowfall in May: 0"
The month with the highest snowfall is January (1.42").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in May
Saint Anne, IL
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (10.3 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
Saint Anne, IL
- Average daylight in May: 14h and 3min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in May: 8h and 5min
The months with the most sunshine are June, July and August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in May
Saint Anne, IL
- Average sunshine days in May: 12.3 days
The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is July (10.7 days).
Average UV index in May
Saint Anne, IL
- Average UV index in May: 5
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in May
Saint Anne, IL
- Average cloud cover in May: 41
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in May
Saint Anne, IL
- Average visibility in May: 6mi
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).
Saint Anne, Illinois, USA
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