May weather forecast
Highlands Ranch, CO

Share

Weather in May

May, the last month of the spring in Highlands Ranch, is a comfortable month, with an average temperature ranging between min 42.6°F (5.9°C) and max 67.3°F (19.6°C).

Temperature

May's onset brings a subtle temperature rise, moving from a refreshing 58.5°F (14.7°C) in April to an enjoyable 67.3°F (19.6°C). During May, Highlands Ranch detects a significant contrast from its daytime temperatures, with nights averaging at a wintry 42.6°F (5.9°C).

Humidity

In Highlands Ranch, Colorado, the average relative humidity in May is 52%.

Rainfall

The month with the most rainfall is May, when the rain falls for 11.6 days and typically aggregates up to 1.61" (41mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall in Highlands Ranch. May is the last month it regularly snows. During 1.4 snowfall days, in May, Highlands Ranch aggregates 2.28" (58mm) of snow. In Highlands Ranch, Colorado, during the entire year, snow falls for 39.3 days and aggregates up to 33.43" (849mm) of snow.

Daylight

In May, the average length of the day is 14h and 22min.
On the first day of the month, sunrise is at 5:59 am and sunset at 7:54 pm. On the last day of May, sunrise is at 5:34 am and sunset at 8:20 pm MDT.

Sunshine

The average sunshine in May is 11.2h.

UV index

In May, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.
Note: In May, an average UV index of 5 transforms into the following instructions:
Put precautions into practice - Protective measures against sun-induced damage are advised. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Updated: Jul 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are May temperatures?

The high-temperature, in May, in Highlands Ranch, records 67.3°F (19.6°C), while the low-temperature is 42.6°F (5.9°C).

What is the average humidity in May?

In Highlands Ranch, the average relative humidity in May is 52%.

What is the wettest month?

The month with the most rainfall is May, when the rain falls for 11.6 days and typically aggregates up to 1.61" (41mm) of precipitation.

How many days does it rain in May?

In Highlands Ranch, during May, the rain falls for 11.6 days and regularly aggregates up to 1.61" (41mm) of precipitation.

What is the last month it snows?

May is the last month it regularly snows. During 1.4 snowfall days, in May, Highlands Ranch aggregates 2.28" (58mm) of snow.

What is the average length of the day in May?

In Highlands Ranch, the average day length in May is 14h and 22min.

What time are sunrise and sunset in May?

In May, on the first day of the month, sunrise is at 5:59 am and sunset at 7:54 pm. On the last day of the month, sunrise is at 5:34 am and sunset at 8:20 pm MDT.

How many hours of sunshine does Highlands Ranch have in May?

In Highlands Ranch, the average sunshine duration in May is 11.2h.

What is the UV index intensity in May?

The average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a medium hazard to health from unsafe exposure to Sun's UV rays.
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
Highlands Ranch, CO

Average temperature in May - Highlands Ranch, CO
  • Average high temperature in May: 67.3°F

The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is December (41.2°F).

  • Average low temperature in May: 42.6°F

The month with the highest average low temperature is July (58.6°F).
The coldest month (with the lowest average low temperature) is December (20.7°F).

Average pressure in May
Highlands Ranch, CO

Average pressure in May - Highlands Ranch, CO
  • Average pressure in May: 29.92"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The months with the lowest atmospheric pressure are April and June (29.91"Hg).

Average wind speed in May
Highlands Ranch, CO

Average wind speed in May - Highlands Ranch, CO
  • Average wind speed in May: 6.7mph

The windiest month (with the highest average wind speed) is April (7.3mph).
The calmest months (with the lowest average wind speed) are August and September (6.4mph).

Average humidity in May
Highlands Ranch, CO

Average humidity in May - Highlands Ranch, CO
  • Average humidity in May: 52%

The month with the highest relative humidity is February (65%).
The months with the lowest relative humidity are June and August (42%).

Average rainfall in May
Highlands Ranch, CO

Average rainfall in May - Highlands Ranch, CO
  • Average rainfall in May: 1.61"

The wettest month (with the highest rainfall) is May (1.61").
The driest month (with the least rainfall) is January (0.39").

Average rainfall days in May
Highlands Ranch, CO

Average rainfall days in May - Highlands Ranch, CO
  • Average rainfall days in May: 11.6 days

The month with the highest number of rainy days is July (11.8 days).
The month with the least rainy days is January (1.5 days).

Average snowfall in May
Highlands Ranch, CO

Average snowfall in May - Highlands Ranch, CO
  • Average snowfall in May: 2.28"

The month with the highest snowfall is February (5.75").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in May
Highlands Ranch, CO

Average snowfall days in May - Highlands Ranch, CO
  • Average snowfall days in May: 1.4 days

The month with the highest number of snowfall days is February (8.3 days).
The months with the least snowfall days are June, July and August (0 days).

Average daylight in May /
Average sunshine in May
Highlands Ranch, CO

Average daylight in May / Average sunshine in May - Highlands Ranch, 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: 11h and 1min

The month with the most sunshine is June (Average sunshine: 11h and 54min).
The month with the least sunshine is February (Average sunshine: 6h and 48min).

Average sunshine days in May
Highlands Ranch, CO

Average sunshine days in May - Highlands Ranch, CO
  • Average sunshine days in May: 17.6 days

The month with the most sunshine days is October (24.5 days).
The month with the least sunshine days is July (16.3 days).

Average UV index in May
Highlands Ranch, CO

Average UV index in May - Highlands Ranch, CO
  • 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, November and December (UV index 2).

Average cloud cover in May
Highlands Ranch, CO

Average cloud cover in May - Highlands Ranch, CO
  • Average cloud cover in May: 25

The months with the most cloud cover are April and May (Cloud cover 25).
The month with the least cloud cover is September (Cloud cover 14).

Average visibility in May
Highlands Ranch, CO

Average visibility in May - Highlands Ranch, 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).

Highlands Ranch, Colorado, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location