May weather forecast and climate
Prospect Heights, CO

Weather in May

The last month of the spring, May, is a comfortable month in Prospect Heights, Colorado, with average temperature fluctuating between 40.1°F (4.5°C) and 64.8°F (18.2°C).

Temperature

In Prospect Heights, the average high-temperature in May increases, from a mild 55.8°F (13.2°C) in April, to an enjoyable 64.8°F (18.2°C). The average low-temperature, in Prospect Heights, Colorado, is 40.1°F (4.5°C).

Humidity

In Prospect Heights, the average relative humidity 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. In Prospect Heights, during the entire year, the rain falls for 108.6 days and collects up to 10.83" (275mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. May is the last month it regularly snows in Prospect Heights. During 1.1 snowfall days, Prospect Heights aggregates 0.71" (18mm) of snow. Throughout the year, in Prospect Heights, Colorado, there are 38 snowfall days, and 23.94" (608mm) of snow is accumulated.

Daylight

In May, the average length of the day is 14.3h.

Sunshine

In May, the average sunshine is 11.5h.

UV index

In Prospect Heights, the average daily maximum UV index in May is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from the exposure to the Sun's UV radiation for the average person.
Note: The average daily UV index of 4 transform into the following instructions:
Take precautions - Protection against sunburn is recommended. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the temperature in May in Prospect Heights?

The average high-temperature, in May, in Prospect Heights, is 64.8°F (18.2°C), while the average low-temperature is 40.1°F (4.5°C).

What is the average humidity in May in Prospect Heights?

In May, the average relative humidity in Prospect Heights, Colorado, is 47%.

How much does it rain in Prospect Heights in May?

In May, in Prospect Heights, Colorado, the rain falls for 14.6 days. Throughout May, 1.3" (33mm) of precipitation is accumulated.

What is the last month it snows in Prospect Heights?

May is the last month it regularly snows. During 1.1 snowfall days, in May, Prospect Heights aggregates 0.71" (18mm) of snow.

How many hours of daylight does Prospect Heights have in May?

In May, the average length of the day is 14.3h.

How long on average sun shines in May in Prospect Heights?

In May, the average sunshine in Prospect Heights is 11.5h.

What is the UV index reading in May in Prospect Heights?

In May, the average daily maximum UV index in Prospect Heights, Colorado, is 4. A UV Index estimate of 3 to 5 represents a medium health risk from unsafe exposure to the Sun's UV rays.

Average temperature in May
Prospect Heights, CO

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).

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Average pressure in May
Prospect Heights, CO

Average pressure in May - Prospect Heights, CO
  • Average pressure in May: 29.93"

The month with the highest atmospheric pressure is January (30.14").
The month with the lowest atmospheric pressure is April (29.91").

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Average wind speed in May
Prospect Heights, CO

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).

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Average humidity in May
Prospect Heights, CO

Average humidity in May - Prospect Heights, CO
  • Average humidity in May: 47%

Months with the highest relative humidity are January and February (69%).
The month with the lowest relative humidity is June (40%).

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Average rainfall in May
Prospect Heights, CO

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").

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Average rainfall days in May
Prospect Heights, CO

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).

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Average snowfall in May
Prospect Heights, CO

Average snowfall in May - Prospect Heights, CO
  • Average snowfall in May: 0.71"

The month with the highest snowfall is February (5.63").
Months with the least snowfall are June, July, August and September (0").

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Average snowfall days in May
Prospect Heights, CO

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).
Months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in May /
Average sunshine in May
Prospect Heights, CO

Average daylight in May / Average sunshine in May - Prospect Heights, CO
  • Average daylight in May: 14.3h

The month with the longest days is June (Average daylight: 14.8h).
The month with the shortest days is December (Average daylight: 9.5h).

  • Average sunshine in May: 11.5h

The month with the most sunshine is June (Average sunshine: 11.9h).
The month with the least sunshine is February (Average sunshine: 7h).

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Average sunshine days in May
Prospect Heights, CO

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).

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Average UV index in May
Prospect Heights, CO

Average UV index in May - Prospect Heights, CO
  • Average UV index in May: 4

Months with the highest UV index are June, July and August (UV index 5).
Months with the lowest UV index are January, February, October, November and December (UV index 2).

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Average cloud cover in May
Prospect Heights, CO

Average cloud cover in May - Prospect Heights, CO
  • Average cloud cover in May: 20

Months with the most cloud cover are February and April (Cloud cover 23).
Months with the least cloud cover are June, September, October and November (Cloud cover 14).

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Average visibility in May
Prospect Heights, CO

Average visibility in May - Prospect Heights, CO
  • Average visibility in May: 6mi

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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