May weather forecast
Weston, CO

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Weather in May

The last month of the spring, May, is a refreshing month in Weston, Colorado, with an average temperature varying between 67.6°F (19.8°C) and 42.6°F (5.9°C).

Temperature

The coming of May brings a minor shift in Weston's weather, with average high-temperatures adjusting from April's mild 58.8°F (14.9°C) to a comfortable 67.6°F (19.8°C). Weston, during the nights of May, registers a substantial plunge from the daytime high, averaging at an icy 42.6°F (5.9°C).

Humidity

In Weston, the average relative humidity in May is 45%.

Rainfall

In Weston, during May, the rain falls for 11.2 days and regularly aggregates up to 1.1" (28mm) of precipitation. In Weston, during the entire year, the rain falls for 102.5 days and collects up to 12.95" (329mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 1.2 snowfall days, in May, Weston aggregates 1.14" (29mm) of snow. In Weston, during the entire year, snow falls for 37.4 days and aggregates up to 23.11" (587mm) of snow.

Daylight

In May, the average length of the day is 14h and 11min.
On the first day of May, sunrise is at 6:03 am and sunset at 7:49 pm. On the last day of the month, sunrise is at 5:40 am and sunset at 8:13 pm MDT.

Sunshine

In May, the average sunshine is 11.3h.

UV index

In Weston, the average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.
Note: The daily high UV index of 5 in May translates into this advice:
Make use of precautions - Shielding skin and eyes from injury is a requirement. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
Updated: Jun 27, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in May?

During May, Weston experiences an average high-temperature of 67.6°F (19.8°C) and a low-temperature of 42.6°F (5.9°C).

What is the average humidity in May?

In Weston, the average relative humidity in May is 45%.

How much does it rain in May?

In Weston, in May, it is raining for 11.2 days, with typically 1.1" (28mm) of accumulated precipitation.

What is the last month it snows?

May is the last month it regularly snows in Weston. During 1.2 snowfall days, in May, Weston aggregates 1.14" (29mm) of snow.

What is the average length of the day in May?

In Weston, Colorado, the average day length in May is 14h and 11min.

What time are sunrise and sunset in May?

On the first day of May, sunrise is at 6:03 am and sunset at 7:49 pm. On the last day of the month, sunrise is at 5:40 am and sunset at 8:13 pm MDT.

How long on average sun shines in May?

In Weston, the average sunshine duration in May is 11.3h.

What is the UV index intensity in May?

In Weston, the average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a moderate health threat 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
Weston, CO

Average temperature in May - Weston, CO
  • Average high temperature in May: 67.6°F

The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is December (40.3°F).

  • Average low temperature in May: 42.6°F

The month with the highest average low temperature is July (56.8°F).
The coldest month (with the lowest average low temperature) is December (21°F).

Average pressure in May
Weston, CO

Average pressure in May - Weston, CO
  • Average pressure in May: 29.88"Hg

The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is April (29.87"Hg).

Average wind speed in May
Weston, CO

Average wind speed in May - Weston, CO
  • Average wind speed in May: 9.6mph

The windiest month (with the highest average wind speed) is April (10mph).
The calmest month (with the lowest average wind speed) is August (7mph).

Average humidity in May
Weston, CO

Average humidity in May - Weston, CO
  • Average humidity in May: 45%

The month with the highest relative humidity is January (62%).
The month with the lowest relative humidity is June (41%).

Average rainfall in May
Weston, CO

Average rainfall in May - Weston, CO
  • Average rainfall in May: 1.1"

The wettest month (with the highest rainfall) is July (2.56").
The driest month (with the least rainfall) is November (0.39").

Average rainfall days in May
Weston, CO

Average rainfall days in May - Weston, CO
  • Average rainfall days in May: 11.2 days

The month with the highest number of rainy days is July (17.5 days).
The month with the least rainy days is November (2.5 days).

Average snowfall in May
Weston, CO

Average snowfall in May - Weston, CO
  • Average snowfall in May: 1.14"

The month with the highest snowfall is January (3.78").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in May
Weston, CO

Average snowfall days in May - Weston, CO
  • Average snowfall days in May: 1.2 days

The month with the highest number of snowfall days is January (7.2 days).
The months with the least snowfall days are June, July and August (0 days).

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

Average daylight in May / Average sunshine in May - Weston, CO
  • Average daylight in May: 14h and 1min

The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 42min).

  • Average sunshine in May: 11h and 2min

The month with the most sunshine is June (Average sunshine: 11h and 54min).
The months with the least sunshine are January, February and December (Average sunshine: 6h and 54min).

Average sunshine days in May
Weston, CO

Average sunshine days in May - Weston, CO
  • Average sunshine days in May: 16.8 days

The month with the most sunshine days is November (24.1 days).
The month with the least sunshine days is July (7.8 days).

Average UV index in May
Weston, CO

Average UV index in May - Weston, CO
  • Average UV index in May: 5

The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, February, October, November and December (UV index 2).

Average cloud cover in May
Weston, CO

Average cloud cover in May - Weston, CO
  • Average cloud cover in May: 21

The months with the most cloud cover are February and April (Cloud cover 23).
The month with the least cloud cover is October (Cloud cover 15).

Average visibility in May
Weston, CO

Average visibility in May - Weston, 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).

Weston, Colorado, USA

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