Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average snowfall in May
- Average snowfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
Bartlett sees an increase in average high-temperatures during May, moving from a mild 55.8°F (13.2°C) in April to a pleasant 68°F (20°C). Bartlett temperatures generally rest at a low of 51.1°F (10.6°C) during the May nights.Humidity
In May, the average relative humidity is 77%.Rainfall
May is the month with the most rainfall. Rain falls for 16.8 days and accumulates 2.83" (72mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows. During 0.1 snowfall days, in May, Bartlett aggregates 0.04" (1mm) of snow. In Bartlett, during the entire year, snow falls for 46.4 days and aggregates up to 13.03" (331mm) of snow.Daylight
The average length of the day in May is 14h and 35min.On the first day of May, sunrise is at 5:47 am and sunset at 7:52 pm. On the last day of the month, sunrise is at 5:19 am and sunset at 8:21 pm CDT.
Sunshine
In May, the average sunshine is 8.2h.UV index
In Bartlett, the average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: During May, 5 as the daily maximum UV index converts into the following advice:
Put precautions into practice - Protective measures against sun-induced damage are advised. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Bartlett in May?
What is the average humidity in May?
What is the rainiest month?
How much does it rain in May?
What is the last month it snows in Bartlett?
What is the average length of the day in May?
What time are sunrise and sunset in May?
How long on average sun shines in May?
What is the UV index reading in May?
Average temperature in May
Bartlett, IL
- Average high temperature in May: 68°F
The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (27.7°F).
- Average low temperature in May: 51.1°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (16.3°F).
Average pressure in May
Bartlett, IL
- Average pressure in May: 29.96"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in May
Bartlett, IL
- Average wind speed in May: 8.2mph
The windiest month (with the highest average wind speed) is January (9.9mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).
Average humidity in May
Bartlett, IL
- Average humidity in May: 77%
The months with the highest relative humidity are January and February (83%).
The month with the lowest relative humidity is October (74%).
Average rainfall in May
Bartlett, IL
- Average rainfall in May: 2.83"
The wettest month (with the highest rainfall) is May (2.83").
The driest month (with the least rainfall) is December (1.02").
Average rainfall days in May
Bartlett, IL
- Average rainfall days in May: 16.8 days
The month with the highest number of rainy days is July (17.4 days).
The month with the least rainy days is February (4.8 days).
Average snowfall in May
Bartlett, IL
- Average snowfall in May: 0.04"
The month with the highest snowfall is January (3.39").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Bartlett, IL
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is January (12.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Bartlett, IL
- Average daylight in May: 14h and 4min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in May: 8h and 1min
The months with the most sunshine are July and August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in May
Bartlett, IL
- Average sunshine days in May: 11.4 days
The month with the most sunshine days is November (17.6 days).
The month with the least sunshine days is July (10.9 days).
Average UV index in May
Bartlett, 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 and December (UV index 1).
Average cloud cover in May
Bartlett, IL
- Average cloud cover in May: 44
The month with the most cloud cover is January (Cloud cover 62).
The months with the least cloud cover are July, August and September (Cloud cover 33).
Average visibility in May
Bartlett, IL
- Average visibility in May: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).
Bartlett, Illinois, USA
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