May weather forecast
Huntsville, IL

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Weather in May

May, the last month of the spring in Huntsville, is a pleasant month, with an average temperature varying between 55.6°F (13.1°C) and 72°F (22.2°C).

Temperature

Huntsville's transition into May is marked by a rise in the average high-temperature, advancing from an enjoyable 62.6°F (17°C) in April to an agreeable 72°F (22.2°C). Huntsville's temperature in May lowers to a consistent average of 55.6°F (13.1°C) during the nights.

Humidity

In May, the average relative humidity is 80%.

Rainfall

The month with the most rainfall in Huntsville is May, when the rain falls for 16.9 days and typically aggregates up to 3.23" (82mm) of precipitation.

Snowfall

In Huntsville, snow does not fall in May through October.

Daylight

In May, the average length of the day is 14h and 25min.
On the first day of the month, sunrise is at 6:01 am and sunset at 7:59 pm. On the last day of May, in Huntsville, sunrise is at 5:36 am and sunset at 8:26 pm CDT.

Sunshine

In Huntsville, the average sunshine in May is 8.9h.

UV index

The average daily maximum UV index in May in Huntsville, Illinois, is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In May, the average maximum UV index of 5 translates into the following recommendations:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
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Frequently asked questions

What are May temperatures in Huntsville?

The high-temperature in Huntsville, Illinois, during May is 72°F (22.2°C) and the low-temperature is 55.6°F (13.1°C).

What is the average humidity in May in Huntsville?

The average relative humidity in May is 80%.

What is the rainiest month in Huntsville?

May is the month with the most rainfall in Huntsville. Rain falls for 16.9 days and accumulates 3.23" (82mm) of precipitation.

How much does it rain in Huntsville in May?

In Huntsville, during May, the rain falls for 16.9 days and regularly aggregates up to 3.23" (82mm) of precipitation.

When it does not snow in Huntsville?

May through October are months without snowfall in Huntsville.

Does it snow in Huntsville in May?

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

How many hours of daylight does Huntsville have in May?

The average day length in May in Huntsville is 14h and 25min.

When are sunrise and sunset in May in Huntsville?

On the first day of May in Huntsville, sunrise is at 6:01 am and sunset at 7:59 pm. On the last day of the month, sunrise is at 5:36 am and sunset at 8:26 pm CDT.

How long on average sun shines in May in Huntsville?

In Huntsville, the average sunshine duration in May is 8.9h.

How high is the UV index in May in Huntsville?

The average daily maximum UV index in May in Huntsville, Illinois, is 5. A UV Index of 3 to 5 symbolizes a moderate health threat 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
Huntsville, IL

Average temperature in May - Huntsville, IL
  • Average high temperature in May: 72°F

The warmest month (with the highest average high temperature) is July (83.7°F).
The month with the lowest average high temperature is January (32.7°F).

  • Average low temperature in May: 55.6°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 (20.3°F).

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Average pressure in May
Huntsville, IL

Average pressure in May - Huntsville, IL
  • Average pressure in May: 29.94"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
Huntsville, IL

Average wind speed in May - Huntsville, IL
  • Average wind speed in May: 8.3mph

The windiest month (with the highest average wind speed) is January (10.2mph).
The calmest month (with the lowest average wind speed) is July (6.3mph).

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Average humidity in May
Huntsville, IL

Average humidity in May - Huntsville, IL
  • Average humidity in May: 80%

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
Huntsville, IL

Average rainfall in May - Huntsville, IL
  • Average rainfall in May: 3.23"

The wettest month (with the highest rainfall) is May (3.23").
The driest month (with the least rainfall) is January (0.98").

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Average rainfall days in May
Huntsville, IL

Average rainfall days in May - Huntsville, IL
  • Average rainfall days in May: 16.9 days

The month with the highest number of rainy days is May (16.9 days).
The months with the least rainy days are January and February (5.3 days).

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Average snowfall in May
Huntsville, IL

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

The month with the highest snowfall is January (3.19").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in May
Huntsville, IL

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

The month with the highest number of snowfall days is January (7.8 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
Huntsville, IL

Average daylight in May / Average sunshine in May - Huntsville, 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: 8h and 5min

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 18min).

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Average sunshine days in May
Huntsville, IL

Average sunshine days in May - Huntsville, IL
  • Average sunshine days in May: 11.4 days

The month with the most sunshine days is January (20 days).
The month with the least sunshine days is May (11.4 days).

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Average UV index in May
Huntsville, IL

Average UV index in May - Huntsville, 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
Huntsville, IL

Average cloud cover in May - Huntsville, IL
  • Average cloud cover in May: 40

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
Huntsville, IL

Average visibility in May - Huntsville, 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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Huntsville, Illinois, USA

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