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
As Triumph transitions into May, the average high-temperature shows a change, moving from a refreshing 57.9°F (14.4°C) in April to a pleasant 70.3°F (21.3°C). Triumph temperatures generally rest at a low of 52.9°F (11.6°C) during the May nights.Humidity
In May, the average relative humidity is 77%.Rainfall
The month with the most rainfall in Triumph is May, when the rain falls for 13.8 days and typically aggregates up to 1.42" (36mm) of precipitation.Snowfall
In Triumph, snow does not fall in May through September.Daylight
In May, the average length of the day in Triumph is 14h and 32min.On the first day of May, sunrise is at 5:51 am and sunset at 7:54 pm. On the last day of the month, sunrise is at 5:24 am and sunset at 8:23 pm CDT.
Sunshine
The average sunshine in May in Triumph, Illinois, is 8.3h.UV index
In May, the average daily maximum UV index in Triumph is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the ordinary person.Note: The maximum UV index of 5 during May translates into these guidelines:
Put precautions into practice - Guidance to elude sunburn is provided. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average May temperature in Triumph?
What is the average humidity in May in Triumph?
What is the rainiest month in Triumph?
How much does it rain in Triumph in May?
When it does not snow in Triumph?
Does it snow in Triumph in May?
How many hours of daylight does Triumph have in May?
What time are sunrise and sunset in May in Triumph?
How many hours of sunshine does Triumph have in May?
What is the UV index intensity in May in Triumph?
Average temperature in May
Triumph, IL
- Average high temperature in May: 70.3°F
The warmest month (with the highest average high temperature) is July (80.6°F).
The month with the lowest average high temperature is January (28.6°F).
- Average low temperature in May: 52.9°F
The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (16.7°F).
Average pressure in May
Triumph, IL
- Average pressure in May: 29.96"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in May
Triumph, IL
- Average wind speed in May: 8.8mph
The windiest month (with the highest average wind speed) is April (10.3mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).
Average humidity in May
Triumph, IL
- Average humidity in May: 77%
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (73%).
Average rainfall in May
Triumph, IL
- Average rainfall in May: 1.42"
The wettest month (with the highest rainfall) is May (1.42").
The driest months (with the least rainfall) are January, February, November and December (0.51").
Average rainfall days in May
Triumph, IL
- Average rainfall days in May: 13.8 days
The month with the highest number of rainy days is May (13.8 days).
The month with the least rainy days is January (3.6 days).
Average snowfall in May
Triumph, IL
- Average snowfall in May: 0"
The month with the highest snowfall is January (0.98").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Triumph, IL
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (8.6 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
Triumph, IL
- Average daylight in May: 14h and 3min
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 12min).
- Average sunshine in May: 8h and 2min
The months with the most sunshine are June, July and August (Average sunshine: 9h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in May
Triumph, IL
- Average sunshine days in May: 14.8 days
The month with the most sunshine days is December (21.8 days).
The month with the least sunshine days is July (13.3 days).
Average UV index in May
Triumph, IL
- Average UV index in May: 5
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in May
Triumph, IL
- Average cloud cover in May: 43
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is September (Cloud cover 33).
Average visibility in May
Triumph, 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).
Triumph, Illinois, USA
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