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
Tamms sees a rise in temperature during May, with average high-temperatures transitioning from a refreshing 67.6°F (19.8°C) in April to a warm 76.6°F (24.8°C). In May, Tamms encounters an average low-temperature of 59.5°F (15.3°C) during the night.Humidity
February, March, May and December, with an average relative humidity of 78%, are the most humid months.Rainfall
In Tamms, during May, the rain falls for 17.1 days and regularly aggregates up to 3.94" (100mm) of precipitation. Throughout the year, there are 156.3 rainfall days, and 36.65" (931mm) of precipitation is accumulated.Snowfall
In Tamms, snow does not fall in May through September.Daylight
In May, the average length of the day is 14h and 11min.On the first day of May, sunrise is at 6:01 am and sunset at 7:46 pm. On the last day of the month, sunrise is at 5:38 am and sunset at 8:11 pm CDT.
Sunshine
The average sunshine in May in Tamms, Illinois, is 9.3h.UV index
May through August, with an average maximum UV index of 6, are months with the highest UV index in Tamms, Illinois. A UV Index estimate of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for average individuals.Note: A maximum daily UV index of 6 during May morphs into the following directions:
Shun overexposure. Protection from sun ravages is indispensable. During the period from 10 a.m. to 4 p.m., UV radiation is highest. Try to avoid direct sunlight during these hours. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Frequently asked questions
What are the temperatures in Tamms in May?
What are the most humid months in Tamms?
What is the average humidity in May in Tamms?
How many days does it rain in May in Tamms?
When it does not snow in Tamms?
Does it snow in Tamms in May?
What is the average length of the day in May in Tamms?
When are sunrise and sunset in May in Tamms?
How long on average sun shines in May in Tamms?
What is the month with the highest UV index in Tamms?
How high is the UV index in May in Tamms?
Average temperature in May
Tamms, IL
- Average high temperature in May: 76.6°F
The warmest month (with the highest average high temperature) is July (88.2°F).
The month with the lowest average high temperature is January (41.2°F).
- Average low temperature in May: 59.5°F
The month with the highest average low temperature is July (69.8°F).
The coldest month (with the lowest average low temperature) is January (28.4°F).
Average pressure in May
Tamms, 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
Tamms, IL
- Average wind speed in May: 7.6mph
The windiest months (with the highest average wind speed) are January, February and March (9.1mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).
Average humidity in May
Tamms, IL
- Average humidity in May: 78%
The months with the highest relative humidity are February, March, May and December (78%).
The month with the lowest relative humidity is October (69%).
Average rainfall in May
Tamms, IL
- Average rainfall in May: 3.94"
The wettest month (with the highest rainfall) is April (4.21").
The driest month (with the least rainfall) is September (1.42").
Average rainfall days in May
Tamms, IL
- Average rainfall days in May: 17.1 days
The month with the highest number of rainy days is May (17.1 days).
The month with the least rainy days is January (9.8 days).
Average snowfall in May
Tamms, IL
- Average snowfall in May: 0"
The month with the highest snowfall is February (1.5").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Tamms, IL
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (3.8 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
Tamms, IL
- Average daylight in May: 14h and 1min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in May: 9h and 2min
The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in May
Tamms, IL
- Average sunshine days in May: 12.3 days
The month with the most sunshine days is October (18.5 days).
The month with the least sunshine days is May (12.3 days).
Average UV index in May
Tamms, 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 and December (UV index 2).
Average cloud cover in May
Tamms, IL
- Average cloud cover in May: 38
The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is June (Cloud cover 26).
Average visibility in May
Tamms, 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).
Tamms, Illinois, USA
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