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
In May, the meteorological conditions change with the average high-temperature moving from a comfortable 66°F (18.9°C) in April to a moderately hot 75.2°F (24°C). Emma records an average temperature drop to a mild 58.3°F (14.6°C) in May.Humidity
May and July, with an average relative humidity of 79%, are the most humid months in Emma.Rainfall
In May, the rain falls for 11.9 days. Throughout May, 0.98" (25mm) of precipitation is accumulated. In Emma, during the entire year, the rain falls for 100.2 days and collects up to 8.7" (221mm) of precipitation.Snowfall
In Emma, Illinois, snow does not fall in April through October.Daylight
In Emma, the average length of the day in May is 14h and 14min.On the first day of the month, sunrise is at 5:55 am and sunset at 7:43 pm. On the last day of May, in Emma, sunrise is at 5:31 am and sunset at 8:08 pm CDT.
Sunshine
In May, the average sunshine in Emma is 9.2h.UV index
The months with the highest UV index in Emma are May through August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum UV index, 6 during May, leads to the following recommendations:
Beware of overexposure. Fair-skinned individuals risk burning in less than 20 minutes. Stay in the shade and limit direct sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its strongest. Remember, however, that not all shade structures provide full sun protection. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Frequently asked questions
What are the temperatures in Emma in May?
What are the most humid months in Emma?
What is the average humidity in May in Emma?
How much does it rain in Emma in May?
When it does not snow in Emma?
What is the average length of the day in May in Emma?
When are sunrise and sunset in May in Emma?
How long on average sun shines in May in Emma?
When is the highest UV index in Emma?
How high is the UV index in May in Emma?
Average temperature in May
Emma, IL
- Average high temperature in May: 75.2°F
The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (38.3°F).
- Average low temperature in May: 58.3°F
The month with the highest average low temperature is July (68.2°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).
Average pressure in May
Emma, IL
- Average pressure in May: 29.97"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in May
Emma, IL
- Average wind speed in May: 8.3mph
The windiest month (with the highest average wind speed) is February (10.1mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).
Average humidity in May
Emma, IL
- Average humidity in May: 79%
The months with the highest relative humidity are May and July (79%).
The month with the lowest relative humidity is October (69%).
Average rainfall in May
Emma, IL
- Average rainfall in May: 0.98"
The wettest month (with the highest rainfall) is April (1.06").
The driest month (with the least rainfall) is September (0.28").
Average rainfall days in May
Emma, IL
- Average rainfall days in May: 11.9 days
The month with the highest number of rainy days is May (11.9 days).
The month with the least rainy days is January (5 days).
Average snowfall in May
Emma, IL
- Average snowfall in May: 0"
The months with the highest snowfall are January and February (0.28").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in May
Emma, IL
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (3.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
Emma, IL
- Average daylight in May: 14h and 1min
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 36min).
- Average sunshine in May: 9h and 1min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).
Average sunshine days in May
Emma, IL
- Average sunshine days in May: 15.8 days
The month with the most sunshine days is October (23.4 days).
The month with the least sunshine days is May (15.8 days).
Average UV index in May
Emma, IL
- 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
Emma, IL
- Average cloud cover in May: 38
The months with the most cloud cover are January and February (Cloud cover 51).
The months with the least cloud cover are June and August (Cloud cover 27).
Average visibility in May
Emma, IL
- 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).
Emma, Illinois, USA
Weather forecast for your location
2. Allow the app to use your location
