May weather forecast
Big Bay, IL

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Weather in May

May, the last month of the spring in Big Bay, is a warm month, with an average temperature varying between 76.5°F (24.7°C) and 59°F (15°C).

Temperature

May marks a rise in the average high-temperature, moving from April's enjoyable 67.1°F (19.5°C) to a warm 76.5°F (24.7°C). In Big Bay, the May nights cool down to an average low of 59°F (15°C).

Humidity

The months with the highest humidity are March and May, with an average relative humidity of 79%.

Rainfall

In Big Bay, Illinois, during May, the rain falls for 17.3 days and regularly aggregates up to 3.78" (96mm) of precipitation. In Big Bay, during the entire year, the rain falls for 160.7 days and collects up to 36.73" (933mm) of precipitation.

Snowfall

May through October are months without snowfall.

Daylight

The average length of the day in May is 14h and 11min.
On the first day of the month, sunrise is at 5:58 am and sunset at 7:44 pm. On the last day of May, sunrise is at 5:35 am and sunset at 8:09 pm CDT.

Sunshine

The average sunshine in May is 9.3h.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for the average person.
Note: In May, the UV index of 6 transforms into the following advice:
Prevent overexposure. Protection from the sun's harmful effects is needed. Be aware that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. and try to reduce direct sun exposure during this period as much as possible. Stay sun-safe with clothing that is both closely woven and worn loosely.

Frequently asked questions

What are the temperatures in May?

The high-temperature, in May, in Big Bay, is 76.5°F (24.7°C), while the low-temperature averages to 59°F (15°C).

What is the most humid month?

March and May, with an average relative humidity of 79%, are most humid months.

What is the average humidity in May in Big Bay?

In May, the average relative humidity in Big Bay is 79%.

How much does it rain in May?

In Big Bay, in May, it is raining for 17.3 days, with typically 3.78" (96mm) of accumulated precipitation.

When it does not snow?

In Big Bay, Illinois, snow does not fall in May through October.

Does it snow in May?

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

What is the average length of the day in May?

In Big Bay, the average day length in May is 14h and 11min.

When are sunrise and sunset in May?

On the first day of May, sunrise is at 5:58 am and sunset at 7:44 pm. On the last day of the month, sunrise is at 5:35 am and sunset at 8:09 pm CDT.

How many hours of sunshine does Big Bay have in May?

The average sunshine duration in May is 9.3h.

What is the month with the highest UV index in Big Bay?

The months with the highest UV index are May through August, with an average maximum UV index of 6.

What is the UV index intensity in May?

In Big Bay, the average daily maximum UV index in May is 6. A UV Index estimate of 6 to 7 represents a high hazard to health from exposure to Sun's UV rays.
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
Big Bay, IL

Average temperature in May - Big Bay, IL
  • Average high temperature in May: 76.5°F

The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is January (41.4°F).

  • Average low temperature in May: 59°F

The month with the highest average low temperature is July (68.9°F).
The coldest month (with the lowest average low temperature) is January (28°F).

Average pressure in May
Big Bay, IL

Average pressure in May - Big Bay, IL
  • Average pressure in May: 29.98"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

Average wind speed in May
Big Bay, IL

Average wind speed in May - Big Bay, IL
  • Average wind speed in May: 7.5mph

The windiest months (with the highest average wind speed) are January, March and April (8.9mph).
The calmest months (with the lowest average wind speed) are July and August (5.6mph).

Average humidity in May
Big Bay, IL

Average humidity in May - Big Bay, IL
  • Average humidity in May: 79%

The months with the highest relative humidity are March and May (79%).
The month with the lowest relative humidity is October (70%).

Average rainfall in May
Big Bay, IL

Average rainfall in May - Big Bay, IL
  • Average rainfall in May: 3.78"

The wettest month (with the highest rainfall) is April (4.29").
The driest month (with the least rainfall) is September (1.5").

Average rainfall days in May
Big Bay, IL

Average rainfall days in May - Big Bay, IL
  • Average rainfall days in May: 17.3 days

The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is October (10.2 days).

Average snowfall in May
Big Bay, IL

Average snowfall in May - Big Bay, IL
  • Average snowfall in May: 0"

The month with the highest snowfall is February (1.61").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in May
Big Bay, IL

Average snowfall days in May - Big Bay, IL
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is January (4.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in May /
Average sunshine in May
Big Bay, IL

Average daylight in May / Average sunshine in May - Big Bay, IL
  • Average daylight in May: 14h and 1min

The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).

  • Average sunshine in May: 9h and 2min

The months with the most sunshine are June and July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).

Average sunshine days in May
Big Bay, IL

Average sunshine days in May - Big Bay, IL
  • Average sunshine days in May: 11 days

The month with the most sunshine days is October (19.3 days).
The month with the least sunshine days is May (11 days).

Average UV index in May
Big Bay, IL

Average UV index in May - Big Bay, IL
  • Average UV index in May: 6

The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).

Average cloud cover in May
Big Bay, IL

Average cloud cover in May - Big Bay, IL
  • Average cloud cover in May: 38

The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is September (Cloud cover 26).

Average visibility in May
Big Bay, IL

Average visibility in May - Big Bay, 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).

Big Bay, Illinois, USA

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