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
The shift from April to May is marked by an increase in the average high-temperature, moving from an enjoyable 61.3°F (16.3°C) to a pleasant 71.6°F (22°C). During May, an average low-temperature of 54.9°F (12.7°C) is observed.Humidity
In La Harpe, the average relative humidity in May is 79%.Rainfall
May is the month with the most rainfall. Rain falls for 17.5 days and accumulates 3.11" (79mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
In May, the average length of the day is 14h and 28min.On the first day of the month, sunrise is at 6:01 am and sunset at 8:00 pm. On the last day of May, in La Harpe, sunrise is at 5:35 am and sunset at 8:28 pm CDT.
Sunshine
In May, the average sunshine in La Harpe, Illinois, is 8.7h.UV index
The average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: A daily high UV index of 5 in May leads to these guidelines:
Prioritize safety - Suggestions to prevent sun damage are offered. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Frequently asked questions
What are May temperatures in La Harpe?
What is the average humidity in May in La Harpe?
What is the rainiest month in La Harpe?
How much does it rain in La Harpe in May?
When it does not snow in La Harpe?
Does it snow in La Harpe in May?
What is the average length of the day in May in La Harpe?
When are sunrise and sunset in May in La Harpe?
How many hours of sunshine does La Harpe have in May?
What is the UV index intensity in May in La Harpe?
Average temperature in May
La Harpe, IL
- Average high temperature in May: 71.6°F
The warmest month (with the highest average high temperature) is July (82.6°F).
The month with the lowest average high temperature is January (30.9°F).
- Average low temperature in May: 54.9°F
The month with the highest average low temperature is July (66.2°F).
The coldest month (with the lowest average low temperature) is January (18.7°F).
Average pressure in May
La Harpe, IL
- Average pressure in May: 29.94"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in May
La Harpe, IL
- Average wind speed in May: 8.8mph
The windiest month (with the highest average wind speed) is January (10.6mph).
The calmest months (with the lowest average wind speed) are July and August (6.7mph).
Average humidity in May
La Harpe, IL
- Average humidity in May: 79%
The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is October (71%).
Average rainfall in May
La Harpe, IL
- Average rainfall in May: 3.11"
The wettest month (with the highest rainfall) is May (3.11").
The driest month (with the least rainfall) is January (0.83").
Average rainfall days in May
La Harpe, IL
- Average rainfall days in May: 17.5 days
The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is January (4.3 days).
Average snowfall in May
La Harpe, IL
- Average snowfall in May: 0"
The month with the highest snowfall is January (3.15").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
La Harpe, 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
La Harpe, IL
- Average daylight in May: 14h and 3min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in May: 8h and 4min
The months with the most sunshine are June and July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in May
La Harpe, IL
- Average sunshine days in May: 11.8 days
The month with the most sunshine days is December (20 days).
The months with the least sunshine days are May and June (11.8 days).
Average UV index in May
La Harpe, 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
La Harpe, IL
- Average cloud cover in May: 41
The month with the most cloud cover is January (Cloud cover 56).
The months with the least cloud cover are August and September (Cloud cover 30).
Average visibility in May
La Harpe, 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).
La Harpe, Illinois, USA
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