May weather forecastExeter, IL
May
Weather in May
May, the last month of the spring in Exeter, is a pleasant month, with an average temperature varying between 73°F (22.8°C) and 55.9°F (13.3°C).Temperature
Exeter sees a rise in temperature during May, with average high-temperatures transitioning from a comfortable 63.5°F (17.5°C) in April to an agreeable 73°F (22.8°C). Exeter, in May, observes a steady average low-temperature of 55.9°F (13.3°C).Humidity
In Exeter, the average relative humidity in May is 79%.Rainfall
The month with the most rainfall in Exeter, Illinois, is May, when the rain falls for 18.8 days and typically aggregates up to 4.02" (102mm) of precipitation.Snowfall
In Exeter, snow does not fall in May through September.Daylight
In Exeter, the average length of the day in May is 14h and 23min.On the first day of May in Exeter, sunrise is at 6:01 am and sunset at 7:56 pm. On the last day of the month, sunrise is at 5:36 am and sunset at 8:23 pm CDT.
Sunshine
In Exeter, the average sunshine in May is 9.2h.UV index
In Exeter, the average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: In May, the average maximum UV index of 5 translates into the following recommendations:
Be vigilant - Suggestions to stave off sun damage are provided. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Exeter, IL
- Average high temperature in May: 73°F
The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is January (33.8°F).
- Average low temperature in May: 55.9°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 (21.6°F).
Average pressure in May
Exeter, 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 (29.91"Hg).
Average wind speed in May
Exeter, IL
- Average wind speed in May: 8mph
The windiest months (with the highest average wind speed) are January and April (9.9mph).
The calmest month (with the lowest average wind speed) is July (6mph).
Average humidity in May
Exeter, IL
- Average humidity in May: 79%
The month with the highest relative humidity is July (82%).
The month with the lowest relative humidity is October (71%).
Average rainfall in May
Exeter, IL
- Average rainfall in May: 4.02"
The wettest month (with the highest rainfall) is May (4.02").
The driest months (with the least rainfall) are January, February and December (1.73").
Average rainfall days in May
Exeter, IL
- Average rainfall days in May: 18.8 days
The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is February (7.2 days).
Average snowfall in May
Exeter, IL
- Average snowfall in May: 0"
The month with the highest snowfall is January (3.46").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Exeter, IL
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (9.8 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
Exeter, IL
- Average daylight in May: 14h and 24min
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 12min
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 18min).
Average sunshine days in May
Exeter, IL
- Average sunshine days in May: 9.8 days
The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is June (8.6 days).
Average UV index in May
Exeter, 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
Exeter, IL
- Average cloud cover in May: 38
The month with the most cloud cover is January (Cloud cover 52).
The months with the least cloud cover are June, July, August and September (Cloud cover 30).
Average visibility in May
Exeter, IL
- Average visibility in May: 6mi
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (6mi).
The month with the lowest visibility is July (5mi).
