May weather forecastMartinton, IL
May
Weather in May
May, the last month of the spring in Martinton, is an agreeable month, with an average temperature varying between 54.9°F (12.7°C) and 71.6°F (22°C).Temperature
The commencement of May sees a shift in the average high-temperature, moving from a mild 59.5°F (15.3°C) in April to an agreeable 71.6°F (22°C). During the month of May, Martinton's nighttime temperature lowers to an average of 54.9°F (12.7°C).Humidity
The average relative humidity in May is 76%.Rainfall
The month with the most rainfall is May, when the rain falls for 17.4 days and typically aggregates up to 2.83" (72mm) of precipitation.Snowfall
May through October are months without snowfall.Daylight
In Martinton, Illinois, the average length of the day in May is 14h and 29min.On the first day of the month, sunrise is at 5:47 am and sunset at 7:47 pm. On the last day of May, sunrise is at 5:21 am and sunset at 8:16 pm CDT.
Sunshine
In Martinton, the average sunshine in May is 8.8h.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 unsafe exposure to UV radiation for the average person.Note: The average daily UV index of 5 in May transforms into the following instructions:
Guard yourself - Precautionary measures against sun damage are advocated. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Martinton, IL
- Average high temperature in May: 71.6°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (30.6°F).
- Average low temperature in May: 54.9°F
The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (18.7°F).
Average pressure in May
Martinton, IL
- Average pressure in May: 29.96"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in May
Martinton, IL
- Average wind speed in May: 8.6mph
The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).
Average humidity in May
Martinton, IL
- Average humidity in May: 76%
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (71%).
Average rainfall in May
Martinton, IL
- Average rainfall in May: 2.83"
The wettest month (with the highest rainfall) is May (2.83").
The driest month (with the least rainfall) is February (0.98").
Average rainfall days in May
Martinton, IL
- Average rainfall days in May: 17.4 days
The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is January (6.2 days).
Average snowfall in May
Martinton, IL
- Average snowfall in May: 0"
The month with the highest snowfall is January (2.56").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in May
Martinton, IL
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (10.5 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
Martinton, IL
- Average daylight in May: 14h and 30min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in May: 8h and 48min
The month with the most sunshine is June (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in May
Martinton, IL
- Average sunshine days in May: 10.9 days
The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is July (10.1 days).
Average UV index in May
Martinton, IL
- Average UV index in May: 5
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in May
Martinton, IL
- Average cloud cover in May: 41
The month with the most cloud cover is January (Cloud cover 59).
The months with the least cloud cover are August and September (Cloud cover 33).
Average visibility in May
Martinton, 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).
