May weather forecast
Bunker Hill, IL

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Weather in May

May, the last month of the spring in Bunker Hill, is a moderately hot month, with an average temperature ranging between max 73.9°F (23.3°C) and min 56.8°F (13.8°C).

Temperature

The beginning of May marks a shift in the average high-temperature, moving from April's refreshing 64°F (17.8°C) to a warm 73.9°F (23.3°C). Throughout the nights in May, Bunker Hill experiences an average low-temperature of 56.8°F (13.8°C).

Humidity

The average relative humidity in May in Bunker Hill is 79%.

Rainfall

In May, the rain falls for 13.8 days. Throughout May, 1.65" (42mm) of precipitation is accumulated. Throughout the year, there are 115.4 rainfall days, and 13.23" (336mm) of precipitation is accumulated.

Snowfall

In Bunker Hill, snow does not fall in April through October.

Daylight

In Bunker Hill, the average length of the day in May is 14h and 20min.
On the first day of the month, sunrise is at 6:00 am and sunset at 7:53 pm. On the last day of May, sunrise is at 5:35 am and sunset at 8:19 pm CDT.

Sunshine

In Bunker Hill, Illinois, the average sunshine in May is 9.1h.

UV index

The average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The maximum daily UV index, 5 in May, converts into the following recommendations:
Take necessary precautions - Defending against sun damage is advocated. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
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Frequently asked questions

What are May temperatures in Bunker Hill?

The average high-temperature, in May, in Bunker Hill, is 73.9°F (23.3°C), while the average low-temperature is 56.8°F (13.8°C).

What is the average humidity in May in Bunker Hill?

In May, the average relative humidity in Bunker Hill, Illinois, is 79%.

How many days does it rain in May in Bunker Hill?

In Bunker Hill, in May, it is raining for 13.8 days, with typically 1.65" (42mm) of accumulated precipitation.

When it does not snow in Bunker Hill?

April through October are months without snowfall.

How many hours of daylight does Bunker Hill have in May?

The average day length in May in Bunker Hill, Illinois, is 14h and 20min.

When is the sunrise / sunset in May in Bunker Hill?

In May, on the first day of the month, sunrise is at 6:00 am and sunset at 7:53 pm. On the last day of the month, in Bunker Hill, Illinois, sunrise is at 5:35 am and sunset at 8:19 pm CDT.

How many hours of sunshine does Bunker Hill have in May?

The average sunshine duration in May in Bunker Hill, Illinois, is 9.1h.

How high is the UV index in May in Bunker Hill?

In May, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a moderate vulnerability from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Bunker Hill, IL

Average temperature in May - Bunker Hill, IL
  • Average high temperature in May: 73.9°F

The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is January (36°F).

  • Average low temperature in May: 56.8°F

The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is January (23°F).

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Average pressure in May
Bunker Hill, IL

Average pressure in May - Bunker Hill, 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 (29.92"Hg).

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Average wind speed in May
Bunker Hill, IL

Average wind speed in May - Bunker Hill, IL
  • Average wind speed in May: 7.8mph

The windiest month (with the highest average wind speed) is January (9.9mph).
The calmest month (with the lowest average wind speed) is July (5.8mph).

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Average humidity in May
Bunker Hill, IL

Average humidity in May - Bunker Hill, IL
  • Average humidity in May: 79%

The month with the highest relative humidity is July (81%).
The month with the lowest relative humidity is October (71%).

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Average rainfall in May
Bunker Hill, IL

Average rainfall in May - Bunker Hill, IL
  • Average rainfall in May: 1.65"

The wettest month (with the highest rainfall) is August (1.77").
The driest month (with the least rainfall) is February (0.55").

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Average rainfall days in May
Bunker Hill, IL

Average rainfall days in May - Bunker Hill, IL
  • Average rainfall days in May: 13.8 days

The months with the highest number of rainy days are May and July (13.8 days).
The month with the least rainy days is December (5.1 days).

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Average snowfall in May
Bunker Hill, IL

Average snowfall in May - Bunker Hill, IL
  • Average snowfall in May: 0"

The month with the highest snowfall is January (0.87").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in May
Bunker Hill, IL

Average snowfall days in May - Bunker Hill, IL
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is January (5.1 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight in May /
Average sunshine in May
Bunker Hill, IL

Average daylight in May / Average sunshine in May - Bunker Hill, IL
  • Average daylight in May: 14h and 2min

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 30min).

  • Average sunshine in May: 9h and 1min

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 24min).

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Average sunshine days in May
Bunker Hill, IL

Average sunshine days in May - Bunker Hill, IL
  • Average sunshine days in May: 15 days

The month with the most sunshine days is December (22.5 days).
The month with the least sunshine days is June (13.8 days).

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Average UV index in May
Bunker Hill, IL

Average UV index in May - Bunker Hill, 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).

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Average cloud cover in May
Bunker Hill, IL

Average cloud cover in May - Bunker Hill, IL
  • Average cloud cover in May: 39

The month with the most cloud cover is January (Cloud cover 53).
The months with the least cloud cover are June and August (Cloud cover 29).

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Average visibility in May
Bunker Hill, IL

Average visibility in May - Bunker Hill, 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).

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Bunker Hill, Illinois, USA

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