May weather forecast
Brighton, IL

Share

Weather in May

May, the last month of the spring in Brighton, is a moderately hot month, with an average temperature fluctuating between 56.8°F (13.8°C) and 73.9°F (23.3°C).

Temperature

In Brighton, the onset of May comes with an increased average high-temperature, moving from April's refreshing 64°F (17.8°C) to a warm 73.9°F (23.3°C). In Brighton, the average nighttime temperature during May is a mild 56.8°F (13.8°C).

Humidity

The average relative humidity in May is 79%.

Rainfall

In Brighton, Illinois, during May, the rain falls for 16.7 days and regularly aggregates up to 3.31" (84mm) of precipitation. In Brighton, during the entire year, the rain falls for 141.9 days and collects up to 27.36" (695mm) of precipitation.

Snowfall

In Brighton, Illinois, snow does not fall in April through October.

Daylight

In May, the average length of the day is 14h and 20min.
On the first day of the month, sunrise is at 6:01 am and sunset at 7:53 pm. On the last day of May, sunrise is at 5:36 am and sunset at 8:20 pm CDT.

Sunshine

In Brighton, 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 of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for average individuals.
Note: In May, the maximum UV index of 6 translates into these guidelines:
Avoid overexposure. Fair-skinned individuals can burn in under 20 minutes. Between 10 a.m. and 4 p.m., the Sun emits the most powerful UV radiation. Limit direct exposure to the Sun during these hours. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.

Frequently asked questions

What is the temperature in May?

In Brighton, in May, the average high-temperature is 73.9°F (23.3°C), and the average low-temperature is 56.8°F (13.8°C).

What is the average humidity in May?

In May, the average relative humidity is 79%.

How much does it rain in May?

In May, the rain falls for 16.7 days. Throughout May, 3.31" (84mm) of precipitation is accumulated.

When it does not snow?

April through October are months without snowfall in Brighton, Illinois.

What is the average length of the day in May?

In May, the average day length is 14h and 20min.

When are sunrise and sunset in May?

In May, on the first day of the month, sunrise is at 6:01 am and sunset at 7:53 pm. On the last day of the month, sunrise is at 5:36 am and sunset at 8:20 pm CDT.

How many hours of sunshine does Brighton have in May?

In May, the average sunshine duration in Brighton is 9.3h.

What is the month with the highest UV index?

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

How high is the UV index in May?

The average daily maximum UV index in May is 6. A UV Index of 6 to 7 symbolizes a high health risk from unsafe 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
Brighton, IL

Average temperature in May - Brighton, IL
  • Average high temperature in May: 73.9°F

The warmest month (with the highest average high temperature) is July (84.6°F).
The month with the lowest average high temperature is January (35.8°F).

  • Average low temperature in May: 56.8°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 (22.6°F).

Average pressure in May
Brighton, IL

Average pressure in May - Brighton, IL
  • Average pressure in May: 29.95"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

Average wind speed in May
Brighton, IL

Average wind speed in May - Brighton, IL
  • Average wind speed in May: 7.7mph

The windiest month (with the highest average wind speed) is January (9.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).

Average humidity in May
Brighton, IL

Average humidity in May - Brighton, IL
  • Average humidity in May: 79%

The month with the highest relative humidity is July (81%).
The month with the lowest relative humidity is October (71%).

Average rainfall in May
Brighton, IL

Average rainfall in May - Brighton, IL
  • Average rainfall in May: 3.31"

The wettest month (with the highest rainfall) is June (3.35").
The driest month (with the least rainfall) is January (1.46").

Average rainfall days in May
Brighton, IL

Average rainfall days in May - Brighton, 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 (6.5 days).

Average snowfall in May
Brighton, IL

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

The month with the highest snowfall is February (2.48").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in May
Brighton, IL

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

The month with the highest number of snowfall days is January (6.2 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
Brighton, IL

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

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in May: 9h and 2min

The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).

Average sunshine days in May
Brighton, IL

Average sunshine days in May - Brighton, IL
  • Average sunshine days in May: 12.2 days

The month with the most sunshine days is January (19.5 days).
The month with the least sunshine days is July (12.1 days).

Average UV index in May
Brighton, IL

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

Average cloud cover in May
Brighton, IL

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

The month with the most cloud cover is January (Cloud cover 52).
The months with the least cloud cover are August and September (Cloud cover 29).

Average visibility in May
Brighton, IL

Average visibility in May - Brighton, 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).

Brighton, Illinois, USA

Weather forecast for your location

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