May weather forecast
Hillside, CO

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Weather in May

May, the last month of the spring in Hillside, is a comfortable month, with an average temperature varying between 64.8°F (18.2°C) and 40.1°F (4.5°C).

Temperature

In Hillside, the average high-temperature in May rises, from a refreshing 55.8°F (13.2°C) in April, to a comfortable 64.8°F (18.2°C). During May, Hillside perceives a consistent contrast from the daytime highs, with an average low-temperature of 40.1°F (4.5°C).

Humidity

The average relative humidity in May in Hillside is 47%.

Rainfall

In Hillside, in May, during 14.6 rainfall days, 1.3" (33mm) of precipitation is typically accumulated. Throughout the year, there are 108.6 rainfall days, and 10.83" (275mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, October through December. May is the last month it regularly snows in Hillside, Colorado. During 1.1 snowfall days, in May, Hillside 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 is 14h and 16min.
On the first day of the month, sunrise is at 6:04 am and sunset at 7:54 pm. On the last day of May, in Hillside, Colorado, sunrise is at 5:40 am and sunset at 8:19 pm MDT.

Sunshine

In May, the average sunshine is 11.5h.

UV index

In May, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the average person.
Note: In May, a regular UV index of 4 translates into these guidelines:
Exercise care. People with light skin might get burns in fewer than 30 minutes. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Stay sun-safe with clothing that is both closely woven and worn loosely. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
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Frequently asked questions

What is the usual temperature for Hillside in May?

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

What is the average humidity in May in Hillside?

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

How many days does it rain in May in Hillside?

In May, in Hillside, 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 Hillside?

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

How many hours of daylight does Hillside have in May?

In May, the average day length in Hillside is 14h and 16min.

What time are sunrise and sunset in May in Hillside?

On the first day of May in Hillside, Colorado, sunrise is at 6:04 am and sunset at 7:54 pm. On the last day of the month, sunrise is at 5:40 am and sunset at 8:19 pm MDT.

How long on average sun shines in May in Hillside?

In Hillside, the average sunshine duration in May is 11.5h.

What is the UV index intensity in May in Hillside?

In May, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a medium hazard to health from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Hillside, CO

Average temperature in May - Hillside, 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
Hillside, CO

Average pressure in May - Hillside, 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).

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Average wind speed in May
Hillside, CO

Average wind speed in May - Hillside, 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
Hillside, CO

Average humidity in May - Hillside, 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%).

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Average rainfall in May
Hillside, CO

Average rainfall in May - Hillside, 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
Hillside, CO

Average rainfall days in May - Hillside, 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
Hillside, CO

Average snowfall in May - Hillside, 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").

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Average snowfall days in May
Hillside, CO

Average snowfall days in May - Hillside, 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).

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Average daylight in May /
Average sunshine in May
Hillside, CO

Average daylight in May / Average sunshine in May - Hillside, 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 36min).

  • 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).

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Average sunshine days in May
Hillside, CO

Average sunshine days in May - Hillside, 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
Hillside, CO

Average UV index in May - Hillside, 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).

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Average cloud cover in May
Hillside, CO

Average cloud cover in May - Hillside, 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).

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Average visibility in May
Hillside, CO

Average visibility in May - Hillside, 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).

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Hillside, Colorado, USA

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