May weather forecast
Sandoval, IL

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Weather in May

The last month of the spring, May, is a warm month in Sandoval, Illinois, with an average temperature varying between 57.7°F (14.3°C) and 74.1°F (23.4°C).

Temperature

As Sandoval welcomes May, the average high-temperature sees a rise, transitioning from a refreshing 64.4°F (18°C) in April to a warm 74.1°F (23.4°C). The mean low-temperature during May nights in Sandoval is a moderate 57.7°F (14.3°C).

Humidity

May, July and August, with an average relative humidity of 80%, are the most humid months.

Rainfall

In Sandoval, during May, the rain falls for 16.7 days and regularly aggregates up to 3.03" (77mm) of precipitation. In Sandoval, Illinois, during the entire year, the rain falls for 145.5 days and collects up to 28.39" (721mm) of precipitation.

Snowfall

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

Daylight

The average length of the day in May is 14h and 17min.
On the first day of May in Sandoval, sunrise is at 5:58 am and sunset at 7:48 pm. On the last day of the month, sunrise is at 5:33 am and sunset at 8:14 pm CDT.

Sunshine

The average sunshine in May is 9.2h.

UV index

In Sandoval, the average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for average individuals.
Note: In May, the maximum UV index of 5 transforms into these recommendations:
Take necessary precautions - Defending against sun damage is advocated. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
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Frequently asked questions

What are the temperatures in Sandoval in May?

In Sandoval, in May, the average high-temperature is 74.1°F (23.4°C), and the average low-temperature is 57.7°F (14.3°C).

What are the most humid months in Sandoval?

The months with the highest humidity are May, July and August, with an average relative humidity of 80%.

What is the average humidity in May in Sandoval?

The average relative humidity in May is 80%.

How many days does it rain in May in Sandoval?

In Sandoval, Illinois, during May, the rain falls for 16.7 days and regularly aggregates up to 3.03" (77mm) of precipitation.

When it does not snow in Sandoval?

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

Does it snow in Sandoval in May?

In May, in Sandoval, 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 Sandoval?

In May, the average day length in Sandoval, Illinois, is 14h and 17min.

When are sunrise and sunset in May in Sandoval?

In May, on the first day of the month, sunrise is at 5:58 am and sunset at 7:48 pm. On the last day of the month, in Sandoval, Illinois, sunrise is at 5:33 am and sunset at 8:14 pm CDT.

How long on average sun shines in May in Sandoval?

In May, the average sunshine duration in Sandoval is 9.2h.

What is the UV index reading in May in Sandoval?

The average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes 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
Sandoval, IL

Average temperature in May - Sandoval, IL
  • Average high temperature in May: 74.1°F

The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (37°F).

  • Average low temperature in May: 57.7°F

The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).

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Average pressure in May
Sandoval, IL

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

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in May
Sandoval, IL

Average wind speed in May - Sandoval, IL
  • Average wind speed in May: 8mph

The windiest months (with the highest average wind speed) are January and February (10mph).
The calmest month (with the lowest average wind speed) is July (5.8mph).

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Average humidity in May
Sandoval, IL

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

The months with the highest relative humidity are May, July and August (80%).
The month with the lowest relative humidity is October (71%).

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Average rainfall in May
Sandoval, IL

Average rainfall in May - Sandoval, IL
  • Average rainfall in May: 3.03"

The wettest month (with the highest rainfall) is June (3.43").
The driest month (with the least rainfall) is February (1.46").

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Average rainfall days in May
Sandoval, IL

Average rainfall days in May - Sandoval, IL
  • Average rainfall days in May: 16.7 days

The month with the highest number of rainy days is May (16.7 days).
The month with the least rainy days is January (7.2 days).

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Average snowfall in May
Sandoval, IL

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

The month with the highest snowfall is January (1.77").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in May
Sandoval, IL

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

The month with the highest number of snowfall days is January (5.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average daylight in May /
Average sunshine in May
Sandoval, IL

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

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in May: 9h and 1min

The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).

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Average sunshine days in May
Sandoval, IL

Average sunshine days in May - Sandoval, IL
  • Average sunshine days in May: 11.5 days

The month with the most sunshine days is October (19.5 days).
The month with the least sunshine days is May (11.5 days).

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Average UV index in May
Sandoval, IL

Average UV index in May - Sandoval, 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, November and December (UV index 2).

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Average cloud cover in May
Sandoval, IL

Average cloud cover in May - Sandoval, IL
  • Average cloud cover in May: 38

The months with the most cloud cover are January and February (Cloud cover 51).
The months with the least cloud cover are June and August (Cloud cover 28).

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Average visibility in May
Sandoval, IL

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

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