May weather forecast
Brownfield, IL

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Weather in May

May, the last month of the spring in Brownfield, is a warm month, with an average temperature ranging between min 59°F (15°C) and max 76.5°F (24.7°C).

Temperature

May shows a rise in the average high-temperature, moving from April's enjoyable 67.1°F (19.5°C) to a moderately hot 76.5°F (24.7°C). Brownfield reports an average nighttime low-temperature of 59°F (15°C) in May.

Humidity

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

Rainfall

In Brownfield, during May, the rain falls for 17.3 days and regularly aggregates up to 3.78" (96mm) of precipitation. Throughout the year, there are 160.7 rainfall days, and 36.73" (933mm) of precipitation is accumulated.

Snowfall

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

Daylight

In May, the average length of the day 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 estimate of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The daily high UV index of 6 during May translates into the following recommendations:
Persist with safeguards and heed sun safety doctrines. Keeping sunburn at bay is of prime importance. Between 10 a.m. and 4 p.m., UV radiation is strongest. Make an effort to avoid direct sunlight during this time, remembering that shade structures may not provide full sun protection. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
Updated: Aug 15, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are May temperatures?

May temperatures vary between a high-temperature of 76.5°F (24.7°C) and a low-temperature of 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 Brownfield, the average relative humidity in May is 79%.

How many days does it rain in May?

In May, the rain falls for 17.3 days. Throughout May, 3.78" (96mm) of precipitation is accumulated.

When it does not snow?

May through October are months without snowfall in Brownfield.

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 Brownfield?

The average day length in May is 14h and 11min.

When are sunrise and sunset in May?

On the first day of May in Brownfield, 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 long on average sun shines in May?

In May, the average sunshine duration is 9.3h.

When is the highest UV index?

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

What is the UV index reading in May?

In Brownfield, Illinois, the average daily maximum UV index in May is 6. A UV Index reading of 6 to 7 represents a high health risk 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
Brownfield, IL

Average temperature in May - Brownfield, 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
Brownfield, IL

Average pressure in May - Brownfield, 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
Brownfield, IL

Average wind speed in May - Brownfield, 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
Brownfield, IL

Average humidity in May - Brownfield, 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
Brownfield, IL

Average rainfall in May - Brownfield, 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
Brownfield, IL

Average rainfall days in May - Brownfield, 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
Brownfield, IL

Average snowfall in May - Brownfield, 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
Brownfield, IL

Average snowfall days in May - Brownfield, 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
Brownfield, IL

Average daylight in May / Average sunshine in May - Brownfield, 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
Brownfield, IL

Average sunshine days in May - Brownfield, 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
Brownfield, IL

Average UV index in May - Brownfield, 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
Brownfield, IL

Average cloud cover in May - Brownfield, 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
Brownfield, IL

Average visibility in May - Brownfield, 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).

Brownfield, Illinois, USA

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