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
May indicates a change in the average high-temperature, moving up from a mild 55.8°F (13.2°C) in April to a still refreshing 66.7°F (19.3°C). The average nighttime temperature in Arlington Heights lowers to a chilly 49.6°F (9.8°C) throughout May.Humidity
The average relative humidity in May is 72%.Rainfall
In May, the rain falls for 15.3 days. Throughout May, 1.97" (50mm) of precipitation is accumulated. Throughout the year, there are 142.8 rainfall days, and 27.36" (695mm) of precipitation is accumulated.Snowfall
Months with snowfall in Arlington Heights are January through May, October through December. May is the last month it regularly snows in Arlington Heights. During 0.1 snowfall days, in May, Arlington Heights aggregates 0.16" (4mm) of snow. In Arlington Heights, Massachusetts, during the entire year, snow falls for 29.6 days and aggregates up to 17.8" (452mm) of snow.Daylight
In May, the average length of the day is 14h and 37min.On the first day of the month, sunrise is at 5:38 am and sunset at 7:44 pm. On the last day of May, in Arlington Heights, Massachusetts, sunrise is at 5:10 am and sunset at 8:14 pm EDT.
Sunshine
In May, the average sunshine in Arlington Heights is 8.4h.UV index
In May, the average daily maximum UV index in Arlington Heights is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the average person.Note: In May, a daily UV index of 5 turns into the following recommendations:
Undertake precautions - Guarding against sun damage is counselled. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Frequently asked questions
What is the average May temperature in Arlington Heights?
What is the average humidity in May in Arlington Heights?
How much does it rain in Arlington Heights in May?
What is the last month it snows in Arlington Heights?
What is the average length of the day in May in Arlington Heights?
When is the sunrise / sunset in May in Arlington Heights?
How many hours of sunshine does Arlington Heights have in May?
What is the UV index reading in May in Arlington Heights?
Average temperature in May
Arlington Heights, MA
- Average high temperature in May: 66.7°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (33.4°F).
- Average low temperature in May: 49.6°F
The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (21.7°F).
Average pressure in May
Arlington Heights, MA
- Average pressure in May: 30.01"Hg
The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in May
Arlington Heights, MA
- Average wind speed in May: 7.1mph
The windiest month (with the highest average wind speed) is January (9.4mph).
The calmest month (with the lowest average wind speed) is August (5.9mph).
Average humidity in May
Arlington Heights, MA
- Average humidity in May: 72%
The month with the highest relative humidity is February (78%).
The month with the lowest relative humidity is April (70%).
Average rainfall in May
Arlington Heights, MA
- Average rainfall in May: 1.97"
The wettest month (with the highest rainfall) is December (2.95").
The driest month (with the least rainfall) is September (1.3").
Average rainfall days in May
Arlington Heights, MA
- Average rainfall days in May: 15.3 days
The months with the highest number of rainy days are May and July (15.3 days).
The month with the least rainy days is January (7.8 days).
Average snowfall in May
Arlington Heights, MA
- Average snowfall in May: 0.16"
The month with the highest snowfall is February (4.72").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Arlington Heights, MA
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is January (7.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Arlington Heights, MA
- 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 6min).
- Average sunshine in May: 8h and 2min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in May
Arlington Heights, MA
- Average sunshine days in May: 13.8 days
The month with the most sunshine days is November (17.6 days).
The month with the least sunshine days is April (13.3 days).
Average UV index in May
Arlington Heights, MA
- 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, February, March, November and December (UV index 2).
Average cloud cover in May
Arlington Heights, MA
- Average cloud cover in May: 46
The month with the most cloud cover is March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in May
Arlington Heights, MA
- Average visibility in May: 6mi
The months with the highest visibility are January, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is February (5mi).
Arlington Heights, Massachusetts, USA
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