May weather forecastBrighton, IL
May
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.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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: 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: 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: 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: 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: 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: 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: 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: 14h and 18min
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 18min
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: 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: 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: 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: 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).
