May weather forecast
Franklin Grove, IL

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Weather in May

May, the last month of the spring in Franklin Grove, is a pleasant month, with an average temperature ranging between max 69.4°F (20.8°C) and min 52.3°F (11.3°C).

Temperature

A shift in the average high-temperature is noticeable in May, changing from a refreshing 57.6°F (14.2°C) in April to an agreeable 69.4°F (20.8°C). Throughout the May nights, Franklin Grove encounters a low-temperature of 52.3°F (11.3°C).

Humidity

In Franklin Grove, the average relative humidity in May is 77%.

Rainfall

May is the month with the most rainfall in Franklin Grove. Rain falls for 16.6 days and accumulates 2.68" (68mm) of precipitation.

Snowfall

In Franklin Grove, snow does not fall in May through September.

Daylight

In May, the average length of the day is 14h and 34min.
On the first day of May, sunrise is at 5:52 am and sunset at 7:56 pm. On the last day of the month, sunrise is at 5:24 am and sunset at 8:25 pm CDT.

Sunshine

In May, the average sunshine in Franklin Grove is 8.6h.

UV index

In Franklin Grove, Illinois, the average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for average individuals.
Note: In May, a daily maximum UV index of 5 leads to the following instructions:
Make use of precautions - Suggestions to resist sunburn are communicated. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
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Frequently asked questions

What is the usual temperature for Franklin Grove in May?

May temperatures in Franklin Grove, Illinois, vary between a high-temperature of 69.4°F (20.8°C) and a low-temperature of 52.3°F (11.3°C).

What is the average humidity in May in Franklin Grove?

In May, the average relative humidity is 77%.

What is the rainiest month in Franklin Grove?

May is the month with the most rainfall. Rain falls for 16.6 days and accumulates 2.68" (68mm) of precipitation.

How much does it rain in Franklin Grove in May?

In Franklin Grove, during May, the rain falls for 16.6 days and regularly aggregates up to 2.68" (68mm) of precipitation.

When it does not snow in Franklin Grove?

In Franklin Grove, Illinois, snow does not fall in May through September.

Does it snow in Franklin Grove in May?

In May, in Franklin Grove, 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 Franklin Grove?

In Franklin Grove, Illinois, the average day length in May is 14h and 34min.

When are sunrise and sunset in May in Franklin Grove?

On the first day of May in Franklin Grove, Illinois, sunrise is at 5:52 am and sunset at 7:56 pm. On the last day of the month, sunrise is at 5:24 am and sunset at 8:25 pm CDT.

How long on average sun shines in May in Franklin Grove?

In Franklin Grove, the average sunshine duration in May is 8.6h.

How high is the UV index in May in Franklin Grove?

In Franklin Grove, Illinois, the average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a medium 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
Franklin Grove, IL

Average temperature in May - Franklin Grove, IL
  • Average high temperature in May: 69.4°F

The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (27.5°F).

  • Average low temperature in May: 52.3°F

The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (15.1°F).

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Average pressure in May
Franklin Grove, IL

Average pressure in May - Franklin Grove, 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).

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Average wind speed in May
Franklin Grove, IL

Average wind speed in May - Franklin Grove, 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).

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Average humidity in May
Franklin Grove, IL

Average humidity in May - Franklin Grove, IL
  • Average humidity in May: 77%

The months with the highest relative humidity are January and July (85%).
The month with the lowest relative humidity is October (73%).

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Average rainfall in May
Franklin Grove, IL

Average rainfall in May - Franklin Grove, IL
  • Average rainfall in May: 2.68"

The wettest month (with the highest rainfall) is May (2.68").
The driest month (with the least rainfall) is February (0.67").

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Average rainfall days in May
Franklin Grove, IL

Average rainfall days in May - Franklin Grove, IL
  • Average rainfall days in May: 16.6 days

The month with the highest number of rainy days is May (16.6 days).
The month with the least rainy days is January (4.3 days).

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Average snowfall in May
Franklin Grove, IL

Average snowfall in May - Franklin Grove, IL
  • Average snowfall in May: 0"

The month with the highest snowfall is January (2.32").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in May
Franklin Grove, IL

Average snowfall days in May - Franklin Grove, IL
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is January (10.4 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
Franklin Grove, IL

Average daylight in May / Average sunshine in May - Franklin Grove, IL
  • Average daylight in May: 14h and 4min

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in May: 8h and 4min

The months with the most sunshine are June and July (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).

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Average sunshine days in May
Franklin Grove, IL

Average sunshine days in May - Franklin Grove, IL
  • Average sunshine days in May: 12.3 days

The months with the most sunshine days are November and December (18.8 days).
The month with the least sunshine days is June (11.1 days).

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Average UV index in May
Franklin Grove, IL

Average UV index in May - Franklin Grove, IL
  • Average UV index in May: 5

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).

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Average cloud cover in May
Franklin Grove, IL

Average cloud cover in May - Franklin Grove, IL
  • Average cloud cover in May: 42

The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is September (Cloud cover 31).

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Average visibility in May
Franklin Grove, IL

Average visibility in May - Franklin Grove, IL
  • Average visibility in May: 6mi

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

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Franklin Grove, Illinois, USA

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