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, Palmyra's average high-temperature sees a rise, moving from April's refreshing 63.5°F (17.5°C) to an agreeable 73.2°F (22.9°C). During May, Palmyra records a consistent average nighttime temperature of 56.8°F (13.8°C).Humidity
The average relative humidity in May in Palmyra is 78%.Rainfall
In Palmyra, in May, during 17.8 rainfall days, 3.54" (90mm) of precipitation is typically accumulated. Throughout the year, there are 151.5 rainfall days, and 31.3" (795mm) of precipitation is accumulated.Snowfall
May through October are months without snowfall in Palmyra.Daylight
In May, the average length of the day is 14h and 22min.On the first day of the month, sunrise is at 5:59 am and sunset at 7:54 pm. On the last day of May, in Palmyra, sunrise is at 5:34 am and sunset at 8:20 pm CDT.
Sunshine
In Palmyra, the average sunshine in May is 9.2h.UV index
The average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: A maximum high UV index of 5 in May translates into the following recommendations:
Act with care - Obligation to protect against skin and eye damage is highlighted. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Frequently asked questions
What are the temperatures in Palmyra in May?
What is the average humidity in May in Palmyra?
How many days does it rain in May in Palmyra?
When it does not snow in Palmyra?
Does it snow in Palmyra in May?
What is the average length of the day in May in Palmyra?
What time are sunrise and sunset in May in Palmyra?
How long on average sun shines in May in Palmyra?
What is the UV index intensity in May in Palmyra?
Average temperature in May
Palmyra, IL
- Average high temperature in May: 73.2°F
The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (34.2°F).
- Average low temperature in May: 56.8°F
The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (22.3°F).
Average pressure in May
Palmyra, IL
- Average pressure in May: 29.95"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in May
Palmyra, IL
- Average wind speed in May: 8.1mph
The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).
Average humidity in May
Palmyra, IL
- Average humidity in May: 78%
The month with the highest relative humidity is July (82%).
The month with the lowest relative humidity is October (71%).
Average rainfall in May
Palmyra, IL
- Average rainfall in May: 3.54"
The wettest month (with the highest rainfall) is June (3.86").
The driest month (with the least rainfall) is December (1.73").
Average rainfall days in May
Palmyra, IL
- Average rainfall days in May: 17.8 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is January (7.4 days).
Average snowfall in May
Palmyra, IL
- Average snowfall in May: 0"
The month with the highest snowfall is February (3.19").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in May
Palmyra, IL
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (8.5 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
Palmyra, IL
- Average daylight in May: 14h and 2min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in May: 9h and 1min
The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).
Average sunshine days in May
Palmyra, IL
- Average sunshine days in May: 10.6 days
The month with the most sunshine days is October (18.5 days).
The month with the least sunshine days is May (10.6 days).
Average UV index in May
Palmyra, IL
- 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
Palmyra, IL
- Average cloud cover in May: 38
The month with the most cloud cover is January (Cloud cover 53).
The months with the least cloud cover are June, July, August and September (Cloud cover 30).
Average visibility in May
Palmyra, 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).
Palmyra, Illinois, USA
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