May weather forecast
Idaho Springs, CO

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The emerald water of St. Mary
The emerald water of St. Mary's Lake circled by green pine trees and vast hill ranges in Idaho Springs, Colorado

Weather in May

The last month of the spring, May, is a fresh month in Idaho Springs, Colorado, with an average temperature ranging between min 30.7°F (-0.7°C) and max 53.6°F (12°C).

Temperature

Idaho Springs sees an increase in the average high-temperature with the arrival of May, moving from April's chilly 43.9°F (6.6°C) to a cool 53.6°F (12°C). Despite drastic daytime highs, Idaho Springs logs an average low-temperature reading of 30.7°F (-0.7°C) throughout May.

Humidity

In Idaho Springs, the average relative humidity in May is 64%.

Rainfall

In Idaho Springs, in May, it is raining for 11.2 days, with typically 1.61" (41mm) of accumulated precipitation. Throughout the year, there are 96 rainfall days, and 10.08" (256mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Idaho Springs are January through December. In Idaho Springs, Colorado, in May, snow falls for 9.7 days, with typically accumulated 6.26" (159mm) of snow. In Idaho Springs, during the entire year, snow falls for 74.9 days and aggregates up to 35.39" (899mm) of snow.

Daylight

In Idaho Springs, the average length of the day in May is 14h and 23min.
On the first day of the month, sunrise is at 6:01 am and sunset at 7:56 pm. On the last day of May, sunrise is at 5:36 am and sunset at 8:23 pm MDT.

Sunshine

In Idaho Springs, the average sunshine in May is 10h.

UV index

In May, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the average person.
Note: The maximum daily UV index of 3 during May translates into the following directions:
Be vigilant - Preventing sunburn is recommended. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Updated: Aug 21, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in May?

In May, in Idaho Springs, the average high-temperature is 53.6°F (12°C), and the average low-temperature is 30.7°F (-0.7°C).

What is the average humidity in May?

In May, the average relative humidity is 64%.

How much does it rain in May?

In Idaho Springs, in May, it is raining for 11.2 days, with typically 1.61" (41mm) of accumulated precipitation.

How much does it snow in May?

In Idaho Springs, in May, snow falls for 9.7 days, with typically accumulated 6.26" (159mm) of snow.

What is the average length of the day in May?

In Idaho Springs, the average day length in May is 14h and 23min.

When is the sunrise / sunset in May?

On the first day of May, sunrise is at 6:01 am and sunset at 7:56 pm. On the last day of the month, sunrise is at 5:36 am and sunset at 8:23 pm MDT.

How long on average sun shines in May?

In May, the average sunshine duration is 10h.

What is the UV index intensity in May in Idaho Springs?

The average daily maximum UV index in May is 3. A UV Index estimate of 3 to 5 represents a moderate health threat 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
Idaho Springs, CO

Average temperature in May - Idaho Springs, CO
  • Average high temperature in May: 53.6°F

The warmest month (with the highest average high temperature) is July (72.3°F).
The month with the lowest average high temperature is December (29.3°F).

  • Average low temperature in May: 30.7°F

The month with the highest average low temperature is July (46.9°F).
The coldest month (with the lowest average low temperature) is February (11.3°F).

Average pressure in May
Idaho Springs, CO

Average pressure in May - Idaho Springs, CO
  • Average pressure in May: 29.93"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is April (29.92"Hg).

Average wind speed in May
Idaho Springs, CO

Average wind speed in May - Idaho Springs, CO
  • Average wind speed in May: 6mph

The windiest month (with the highest average wind speed) is January (9mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).

Average humidity in May
Idaho Springs, CO

Average humidity in May - Idaho Springs, CO
  • Average humidity in May: 64%

The month with the highest relative humidity is February (78%).
The month with the lowest relative humidity is June (50%).

Average rainfall in May
Idaho Springs, CO

Average rainfall in May - Idaho Springs, CO
  • Average rainfall in May: 1.61"

The wettest month (with the highest rainfall) is July (1.65").
The driest month (with the least rainfall) is December (0.28").

Average rainfall days in May
Idaho Springs, CO

Average rainfall days in May - Idaho Springs, CO
  • Average rainfall days in May: 11.2 days

The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is November (2.2 days).

Average snowfall in May
Idaho Springs, CO

Average snowfall in May - Idaho Springs, CO
  • Average snowfall in May: 6.26"

The month with the highest snowfall is March (6.73").
The months with the least snowfall are July and August (0.04").

Average snowfall days in May
Idaho Springs, CO

Average snowfall days in May - Idaho Springs, CO
  • Average snowfall days in May: 9.7 days

The month with the highest number of snowfall days is March (11.6 days).
The months with the least snowfall days are July and August (0.1 days).

Average daylight in May /
Average sunshine in May
Idaho Springs, CO

Average daylight in May / Average sunshine in May - Idaho Springs, CO
  • Average daylight in May: 14h and 2min

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in May: 10h and 0min

The month with the most sunshine is June (Average sunshine: 11h and 18min).
The month with the least sunshine is February (Average sunshine: 6h and 12min).

Average sunshine days in May
Idaho Springs, CO

Average sunshine days in May - Idaho Springs, CO
  • Average sunshine days in May: 12.4 days

The month with the most sunshine days is November (23.2 days).
The month with the least sunshine days is July (9.8 days).

Average UV index in May
Idaho Springs, CO

Average UV index in May - Idaho Springs, CO
  • Average UV index in May: 3

The months with the highest UV index are June, July and August (UV index 4).
The months with the lowest UV index are January, February, March, April, October, November and December (UV index 2).

Average cloud cover in May
Idaho Springs, CO

Average cloud cover in May - Idaho Springs, CO
  • Average cloud cover in May: 35

The months with the most cloud cover are February, April and May (Cloud cover 35).
The month with the least cloud cover is June (Cloud cover 20).

Average visibility in May
Idaho Springs, CO

Average visibility in May - Idaho Springs, 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).

Idaho Springs, Colorado, USA

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