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
Observing a rise in May, the average high-temperature goes from April's refreshing 65.7°F (18.7°C) to a warm 75°F (23.9°C). Marissa's nighttime temperature during May is consistently averaged at a moderate 57.7°F (14.3°C).Humidity
May is the most humid month, with an average relative humidity of 79%.Rainfall
The month with the most rainfall in Marissa is May, when the rain falls for 14.8 days and typically aggregates up to 2.48" (63mm) of precipitation.Snowfall
April through August are months without snowfall in Marissa.Daylight
The average length of the day in May in Marissa is 14h and 16min.On the first day of the month, sunrise is at 6:01 am and sunset at 7:50 pm. On the last day of May, sunrise is at 5:37 am and sunset at 8:16 pm CDT.
Sunshine
In Marissa, the average sunshine in May is 9.4h.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for average individuals.Note: In May, a daily maximum UV index of 6 leads to the following instructions:
Undertake precautions and comply with sun safety standards. Protection from skin and eye injury is vital. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. Opt for tightly woven and loose clothing to enhance protection from the Sun.
Frequently asked questions
What is the temperature in May in Marissa?
What is the most humid month in Marissa?
What is the average humidity in May in Marissa?
What is the rainiest month in Marissa?
How many days does it rain in May in Marissa?
When it does not snow in Marissa?
What is the average length of the day in May in Marissa?
When is the sunrise / sunset in May in Marissa?
How long on average sun shines in May in Marissa?
What is the month with the highest UV index in Marissa?
What is the UV index reading in May in Marissa?
Average temperature in May
Marissa, IL
- Average high temperature in May: 75°F
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (38.3°F).
- Average low temperature in May: 57.7°F
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (25.2°F).
Average pressure in May
Marissa, IL
- Average pressure in May: 29.96"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in May
Marissa, IL
- Average wind speed in May: 7.5mph
The windiest month (with the highest average wind speed) is January (9.4mph).
The calmest months (with the lowest average wind speed) are July and August (5.6mph).
Average humidity in May
Marissa, IL
- Average humidity in May: 79%
The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is October (71%).
Average rainfall in May
Marissa, IL
- Average rainfall in May: 2.48"
The wettest month (with the highest rainfall) is May (2.48").
The driest month (with the least rainfall) is February (0.83").
Average rainfall days in May
Marissa, IL
- Average rainfall days in May: 14.8 days
The month with the highest number of rainy days is July (15.1 days).
The months with the least rainy days are January and December (6.5 days).
Average snowfall in May
Marissa, IL
- Average snowfall in May: 0"
The month with the highest snowfall is January (1.06").
The months with the least snowfall are April, May, June, July and August (0").
Average snowfall days in May
Marissa, IL
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (5.6 days).
The months with the least snowfall days are May, June, July and August (0 days).
Average daylight in May /
Average sunshine in May
Marissa, IL
- 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 36min).
- Average sunshine in May: 9h and 2min
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 42min).
Average sunshine days in May
Marissa, IL
- Average sunshine days in May: 14.6 days
The month with the most sunshine days is December (21.7 days).
The month with the least sunshine days is July (13.7 days).
Average UV index in May
Marissa, 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
Marissa, IL
- Average cloud cover in May: 36
The months with the most cloud cover are January and February (Cloud cover 49).
The months with the least cloud cover are June and August (Cloud cover 27).
Average visibility in May
Marissa, 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).
Marissa, Illinois, USA
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