May weather forecastDunlap, IL

May

Weather in May

May, the last month of the spring in Dunlap, is an agreeable month, with an average temperature fluctuating between 71.1°F (21.7°C) and 54.1°F (12.3°C).

Temperature

The arrival of May brings a change in Dunlap's weather, with average high-temperatures moving from April's refreshing 59.7°F (15.4°C) to an agreeable 71.1°F (21.7°C). Dunlap anticipates an average minimum temperature of 54.1°F (12.3°C) in the month of May.

Humidity

In May, the average relative humidity in Dunlap, Illinois, is 78%.

Rainfall

May is the month with the most rainfall. Rain falls for 15.2 days and accumulates 2.24" (57mm) of precipitation.

Snowfall

In Dunlap, snow does not fall in May through September.

Daylight

In Dunlap, the average length of the day in May is 14h and 29min.
On the first day of May, sunrise is at 5:55 am and sunset at 7:55 pm. On the last day of the month, sunrise is at 5:29 am and sunset at 8:23 pm CDT.

Sunshine

The average sunshine in May is 8.8h.

UV index

In Dunlap, the average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the average person.
Note: The maximum UV index of 5 during May translates into these guidelines:
Undertake precautions - Guarding against sun damage is counselled. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.

Frequently asked questions

In Dunlap, 71.1°F (21.7°C) is the average high-temperature and 54.1°F (12.3°C) is the average low-temperature during May.

The average relative humidity in May is 78%.

May is the month with the most rainfall. Rain falls for 15.2 days and accumulates 2.24" (57mm) of precipitation.

In Dunlap, during May, the rain falls for 15.2 days and regularly aggregates up to 2.24" (57mm) of precipitation.

In Dunlap, snow does not fall in May through September.

In May, it doesn't snow. April is the latest month when it typically snows.

In Dunlap, the average day length in May is 14h and 29min.

In May, on the first day of the month, sunrise is at 5:55 am and sunset at 7:55 pm. On the last day of the month, in Dunlap, sunrise is at 5:29 am and sunset at 8:23 pm CDT.

In Dunlap, the average sunshine duration in May is 8.8h.

In May, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Dunlap, IL

  • Average high temperature in May: 71.1°F

The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (29.7°F).

  • Average low temperature in May: 54.1°F

The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (17.8°F).

Average pressure in May
Dunlap, IL

  • Average pressure in May: 29.95"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed in May
Dunlap, IL

  • Average wind speed in May: 9mph

The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).

Average humidity in May
Dunlap, IL

  • Average humidity in May: 78%

The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (72%).

Average rainfall in May
Dunlap, IL

  • Average rainfall in May: 2.24"

The wettest month (with the highest rainfall) is May (2.24").
The driest month (with the least rainfall) is January (0.59").

Average rainfall days in May
Dunlap, IL

  • Average rainfall days in May: 15.2 days

The month with the highest number of rainy days is May (15.2 days).
The months with the least rainy days are January and February (4.2 days).

Average snowfall in May
Dunlap, IL

  • Average snowfall in May: 0"

The month with the highest snowfall is January (1.81").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in May
Dunlap, 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
Dunlap, 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 months with the most sunshine are June and July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).

Average sunshine days in May
Dunlap, IL

  • Average sunshine days in May: 12.8 days

The month with the most sunshine days is November (21.3 days).
The month with the least sunshine days is May (12.8 days).

Average UV index in May
Dunlap, 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
Dunlap, IL

  • Average cloud cover in May: 41

The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is September (Cloud cover 30).

Average visibility in May
Dunlap, 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).