May weather forecast
Bluff Springs, IL

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Weather in May

May, the last month of the spring in Bluff Springs, is a pleasant month, with an average temperature varying between 55.9°F (13.3°C) and 72.7°F (22.6°C).

Temperature

The shift into May is marked by a rise in the average high-temperature, moving from April's refreshing 63.1°F (17.3°C) to a pleasant 72.7°F (22.6°C). Bluff Springs's nights in May experience an average temperature drop to a mild 55.9°F (13.3°C).

Humidity

The average relative humidity in May in Bluff Springs is 79%.

Rainfall

May is the month with the most rainfall in Bluff Springs. Rain falls for 17.9 days and accumulates 3.62" (92mm) of precipitation.

Snowfall

May through September are months without snowfall in Bluff Springs.

Daylight

In Bluff Springs, the average length of the day in May is 14h and 25min.
On the first day of May, sunrise is at 6:00 am and sunset at 7:56 pm. On the last day of the month, sunrise is at 5:34 am and sunset at 8:23 pm CDT.

Sunshine

In May, the average sunshine is 9.1h.

UV index

The average daily maximum UV index in May in Bluff Springs is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: In May, the maximum UV index of 5 transforms into these recommendations:
Take precautions - Protection against sun damage is advised. To guard against the harmful effects of the Sun, minimize exposure during midday. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
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Frequently asked questions

What is the average May temperature in Bluff Springs?

The high-temperature, in May, in Bluff Springs, is 72.7°F (22.6°C), while the low-temperature averages to 55.9°F (13.3°C).

What is the average humidity in May in Bluff Springs?

In May, the average relative humidity in Bluff Springs is 79%.

What is the rainiest month in Bluff Springs?

The month with the most rainfall in Bluff Springs, Illinois, is May, when the rain falls for 17.9 days and typically aggregates up to 3.62" (92mm) of precipitation.

How much does it rain in Bluff Springs in May?

In Bluff Springs, Illinois, during May, the rain falls for 17.9 days and regularly aggregates up to 3.62" (92mm) of precipitation.

When it does not snow in Bluff Springs?

In Bluff Springs, snow does not fall in May through September.

Does it snow in Bluff Springs in May?

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

What is the average length of the day in May in Bluff Springs?

In May, the average day length in Bluff Springs, Illinois, is 14h and 25min.

When is the sunrise / sunset in May in Bluff Springs?

On the first day of May, sunrise is at 6:00 am and sunset at 7:56 pm. On the last day of the month, sunrise is at 5:34 am and sunset at 8:23 pm CDT.

How long on average sun shines in May in Bluff Springs?

In Bluff Springs, Illinois, the average sunshine duration in May is 9.1h.

How high is the UV index in May in Bluff Springs?

In Bluff Springs, Illinois, the average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a moderate vulnerability from unprotected exposure to 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
Bluff Springs, IL

Average temperature in May - Bluff Springs, IL
  • Average high temperature in May: 72.7°F

The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (32.7°F).

  • Average low temperature in May: 55.9°F

The month with the highest average low temperature is July (66.6°F).
The coldest month (with the lowest average low temperature) is January (20.5°F).

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Average pressure in May
Bluff Springs, IL

Average pressure in May - Bluff Springs, 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).

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Average wind speed in May
Bluff Springs, IL

Average wind speed in May - Bluff Springs, IL
  • Average wind speed in May: 8.4mph

The windiest months (with the highest average wind speed) are January, February and April (10.1mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).

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Average humidity in May
Bluff Springs, IL

Average humidity in May - Bluff Springs, 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%).

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Average rainfall in May
Bluff Springs, IL

Average rainfall in May - Bluff Springs, IL
  • Average rainfall in May: 3.62"

The wettest month (with the highest rainfall) is May (3.62").
The driest month (with the least rainfall) is December (1.61").

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Average rainfall days in May
Bluff Springs, IL

Average rainfall days in May - Bluff Springs, IL
  • Average rainfall days in May: 17.9 days

The month with the highest number of rainy days is May (17.9 days).
The month with the least rainy days is February (6.8 days).

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Average snowfall in May
Bluff Springs, IL

Average snowfall in May - Bluff Springs, IL
  • Average snowfall in May: 0"

The month with the highest snowfall is January (4.21").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in May
Bluff Springs, IL

Average snowfall days in May - Bluff Springs, IL
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is January (10.1 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
Bluff Springs, IL

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

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in May: 9h and 1min

The months with the most sunshine are June and July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).

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Average sunshine days in May
Bluff Springs, IL

Average sunshine days in May - Bluff Springs, IL
  • Average sunshine days in May: 10.9 days

The month with the most sunshine days is October (18.7 days).
The month with the least sunshine days is May (10.9 days).

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Average UV index in May
Bluff Springs, IL

Average UV index in May - Bluff Springs, 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
Bluff Springs, IL

Average cloud cover in May - Bluff Springs, IL
  • Average cloud cover in May: 39

The month with the most cloud cover is January (Cloud cover 54).
The months with the least cloud cover are July, August and September (Cloud cover 30).

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Average visibility in May
Bluff Springs, IL

Average visibility in May - Bluff Springs, IL
  • Average visibility in May: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, September, October, November and December (6mi).
The month with the lowest visibility is August (5mi).

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Bluff Springs, Illinois, USA

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