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 brings a rise in Prospect Heights's average high-temperature, moving from a mild 55.8°F (13.2°C) in April to a still refreshing 64.8°F (18.2°C). Throughout the month of May, Prospect Heights observes a dramatic downturn from the daytime peak temperatures, expecting an average low of 40.1°F (4.5°C).Humidity
In Prospect Heights, the average relative humidity in May is 47%.Rainfall
In Prospect Heights, Colorado, during May, the rain falls for 14.6 days and regularly aggregates up to 1.3" (33mm) of precipitation. Throughout the year, in Prospect Heights, there are 108.6 rainfall days, and 10.83" (275mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Prospect Heights. May is the last month it regularly snows in Prospect Heights. During 1.1 snowfall days, in May, Prospect Heights aggregates 0.71" (18mm) of snow. Throughout the year, there are 38 snowfall days, and 23.94" (608mm) of snow is accumulated.Daylight
The average length of the day in May in Prospect Heights is 14h and 17min.On the first day of May, sunrise is at 6:02 am and sunset at 7:53 pm. On the last day of the month, sunrise is at 5:38 am and sunset at 8:18 pm MDT.
Sunshine
In May, the average sunshine in Prospect Heights, Colorado, is 11.5h.UV index
In Prospect Heights, the average daily maximum UV index in May is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: The UV index of 4 in May translates into these instructions:
Undertake protective steps - Recommendations to avoid sunburn are issued. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Experience reduced UV exposure by about half when donning a wide-brim hat. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are May temperatures in Prospect Heights?
What is the average humidity in May in Prospect Heights?
How many days does it rain in May in Prospect Heights?
What is the last month it snows in Prospect Heights?
What is the average length of the day in May in Prospect Heights?
What time are sunrise and sunset in May in Prospect Heights?
How many hours of sunshine does Prospect Heights have in May?
What is the UV index reading in May in Prospect Heights?
Average temperature in May
Prospect Heights, CO
- Average high temperature in May: 64.8°F
The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (37°F).
- Average low temperature in May: 40.1°F
The month with the highest average low temperature is July (55.8°F).
The coldest month (with the lowest average low temperature) is December (18.5°F).
Average pressure in May
Prospect Heights, CO
- Average pressure in May: 29.93"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is April (29.91"Hg).
Average wind speed in May
Prospect Heights, CO
- Average wind speed in May: 6.8mph
The windiest months (with the highest average wind speed) are January, February and March (7.5mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).
Average humidity in May
Prospect Heights, CO
- Average humidity in May: 47%
The months with the highest relative humidity are January and February (69%).
The month with the lowest relative humidity is June (40%).
Average rainfall in May
Prospect Heights, CO
- Average rainfall in May: 1.3"
The wettest month (with the highest rainfall) is July (2.2").
The driest months (with the least rainfall) are January and November (0.31").
Average rainfall days in May
Prospect Heights, CO
- Average rainfall days in May: 14.6 days
The month with the highest number of rainy days is July (19.5 days).
The month with the least rainy days is November (2.7 days).
Average snowfall in May
Prospect Heights, CO
- Average snowfall in May: 0.71"
The month with the highest snowfall is February (5.63").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Prospect Heights, CO
- Average snowfall days in May: 1.1 days
The month with the highest number of snowfall days is February (8.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Prospect Heights, CO
- Average daylight in May: 14h and 2min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in May: 11h and 3min
The month with the most sunshine is June (Average sunshine: 11h and 54min).
The month with the least sunshine is February (Average sunshine: 7h and 0min).
Average sunshine days in May
Prospect Heights, CO
- Average sunshine days in May: 12 days
The month with the most sunshine days is November (24.7 days).
The month with the least sunshine days is July (4.7 days).
Average UV index in May
Prospect Heights, CO
- Average UV index in May: 4
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, October, November and December (UV index 2).
Average cloud cover in May
Prospect Heights, CO
- Average cloud cover in May: 20
The months with the most cloud cover are February and April (Cloud cover 23).
The months with the least cloud cover are June, September, October and November (Cloud cover 14).
Average visibility in May
Prospect Heights, CO
- 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).
Prospect Heights, Colorado, USA
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