May weather forecast
Tonica, IL

Share

Weather in May

The last month of the spring, May, is an agreeable month in Tonica, Illinois, with temperature in the range of an average low of 53.6°F (12°C) and an average high of 70.5°F (21.4°C).

Temperature

Tonica's weather shows a temperature rise with the arrival of May, moving from a refreshing 58.8°F (14.9°C) in April to an agreeable 70.5°F (21.4°C). The average low-temperature of 53.6°F (12°C) is witnessed during May.

Humidity

In May, the average relative humidity is 77%.

Rainfall

The month with the most rainfall is May, when the rain falls for 18.5 days and typically aggregates up to 4.65" (118mm) of precipitation.

Snowfall

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

Daylight

In May, the average length of the day is 14h and 31min.
On the first day of May, sunrise is at 5:52 am and sunset at 7:53 pm. On the last day of the month, sunrise is at 5:25 am and sunset at 8:22 pm CDT.

Sunshine

In May, the average sunshine is 8.7h.

UV index

The average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for average individuals.
Note: The average daily UV index of 5 in May transforms into the following instructions:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.

Frequently asked questions

What is the temperature in May?

An average high-temperature, in May, in Tonica, is 70.5°F (21.4°C) and the average low-temperature is 53.6°F (12°C).

What is the average humidity in May?

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

What is the rainiest month?

May is the month with the most rainfall. Rain falls for 18.5 days and accumulates 4.65" (118mm) of precipitation.

How many days does it rain in May?

In Tonica, during May, the rain falls for 18.5 days and regularly aggregates up to 4.65" (118mm) of precipitation.

When it does not snow?

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

Does it snow in May?

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

How many hours of daylight does Tonica have in May?

In May, the average day length is 14h and 31min.

What time are sunrise and sunset in May?

On the first day of May, sunrise is at 5:52 am and sunset at 7:53 pm. On the last day of the month, sunrise is at 5:25 am and sunset at 8:22 pm CDT.

How many hours of sunshine does Tonica have in May?

In May, the average sunshine duration in Tonica is 8.7h.

What is the UV index intensity in May?

In Tonica, the average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a medium health risk 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
Tonica, IL

Average temperature in May - Tonica, IL
  • Average high temperature in May: 70.5°F

The warmest month (with the highest average high temperature) is July (80.6°F).
The month with the lowest average high temperature is January (28.9°F).

  • Average low temperature in May: 53.6°F

The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (16.9°F).

Average pressure in May
Tonica, IL

Average pressure in May - Tonica, IL
  • Average pressure in May: 29.96"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed in May
Tonica, IL

Average wind speed in May - Tonica, IL
  • Average wind speed in May: 8.8mph

The windiest months (with the highest average wind speed) are January and April (10.3mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).

Average humidity in May
Tonica, IL

Average humidity in May - Tonica, IL
  • Average humidity in May: 77%

The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (72%).

Average rainfall in May
Tonica, IL

Average rainfall in May - Tonica, IL
  • Average rainfall in May: 4.65"

The wettest month (with the highest rainfall) is May (4.65").
The driest month (with the least rainfall) is February (1.57").

Average rainfall days in May
Tonica, IL

Average rainfall days in May - Tonica, IL
  • Average rainfall days in May: 18.5 days

The month with the highest number of rainy days is May (18.5 days).
The month with the least rainy days is January (5.5 days).

Average snowfall in May
Tonica, IL

Average snowfall in May - Tonica, IL
  • Average snowfall in May: 0"

The month with the highest snowfall is January (4.37").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in May
Tonica, IL

Average snowfall days in May - Tonica, IL
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is January (12.1 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
Tonica, IL

Average daylight in May / Average sunshine in May - Tonica, IL
  • Average daylight in May: 14h and 3min

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 4min

The month with the most sunshine is June (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).

Average sunshine days in May
Tonica, IL

Average sunshine days in May - Tonica, IL
  • Average sunshine days in May: 10.4 days

The month with the most sunshine days is November (17.4 days).
The month with the least sunshine days is May (10.4 days).

Average UV index in May
Tonica, IL

Average UV index in May - Tonica, 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
Tonica, IL

Average cloud cover in May - Tonica, IL
  • Average cloud cover in May: 42

The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is September (Cloud cover 32).

Average visibility in May
Tonica, IL

Average visibility in May - Tonica, 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).

Tonica, Illinois, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location