May weather forecast
Fort Lyon, CO

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Weather in May

The last month of the spring, May, is a warm month in Fort Lyon, Colorado, with an average temperature fluctuating between 53.6°F (12°C) and 76.5°F (24.7°C).

Temperature

Fort Lyon in May shows a temperature shift, moving from an average high of an enjoyable 67.3°F (19.6°C) in April to a warm 76.5°F (24.7°C). A sharp contrast between day and night is prevalent in May with an average nighttime temperature of 53.6°F (12°C) in Fort Lyon.

Humidity

In Fort Lyon, Colorado, the average relative humidity in May is 43%.

Rainfall

In May, the rain falls for 10.6 days. Throughout May, 1.14" (29mm) of precipitation is accumulated. Throughout the year, in Fort Lyon, Colorado, there are 89.9 rainfall days, and 10.2" (259mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Fort Lyon are January through May, October through December. May is the last month it regularly snows. During 0.1 snowfall days, in May, Fort Lyon aggregates 0.04" (1mm) of snow. In Fort Lyon, Colorado, during the entire year, snow falls for 23.2 days and aggregates up to 10.28" (261mm) of snow.

Daylight

In Fort Lyon, Colorado, the average length of the day in May is 14h and 15min.
On the first day of the month, sunrise is at 5:55 am and sunset at 7:43 pm. On the last day of May, sunrise is at 5:31 am and sunset at 8:09 pm MDT.

Sunshine

The average sunshine in May in Fort Lyon is 11.3h.

UV index

The average daily maximum UV index in May in Fort Lyon, Colorado, is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for average individuals.
Note: In May, a daily UV index of 6 turns into the following recommendations:
Resist overexposure. Safeguarding from solar damage is indispensable. During the period from 10 a.m. to 4 p.m., UV radiation is highest. Try to avoid direct sunlight during these hours. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
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Frequently asked questions

What are May temperatures in Fort Lyon?

In Fort Lyon, 76.5°F (24.7°C) is the average high-temperature and 53.6°F (12°C) is the average low-temperature during May.

What is the average humidity in May in Fort Lyon?

In May, the average relative humidity is 43%.

How many days does it rain in May in Fort Lyon?

In Fort Lyon, in May, it is raining for 10.6 days, with typically 1.14" (29mm) of accumulated precipitation.

What is the last month it snows in Fort Lyon?

May is the last month it regularly snows in Fort Lyon, Colorado. During 0.1 snowfall days, in May, Fort Lyon aggregates 0.04" (1mm) of snow.

How many hours of daylight does Fort Lyon have in May?

The average day length in May in Fort Lyon, Colorado, is 14h and 15min.

When are sunrise and sunset in May in Fort Lyon?

In May, on the first day of the month, sunrise is at 5:55 am and sunset at 7:43 pm. On the last day of the month, in Fort Lyon, Colorado, sunrise is at 5:31 am and sunset at 8:09 pm MDT.

How many hours of sunshine does Fort Lyon have in May?

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

What is the UV index reading in May in Fort Lyon?

In May, the average daily maximum UV index in Fort Lyon, Colorado, is 6. A UV Index of 6 to 7 symbolizes a high health threat from unprotected exposure to 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
Fort Lyon, CO

Average temperature in May - Fort Lyon, CO
  • Average high temperature in May: 76.5°F

The warmest month (with the highest average high temperature) is July (92.8°F).
The month with the lowest average high temperature is December (43.7°F).

  • Average low temperature in May: 53.6°F

The month with the highest average low temperature is July (70.9°F).
The coldest month (with the lowest average low temperature) is December (26.6°F).

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Average pressure in May
Fort Lyon, CO

Average pressure in May - Fort Lyon, CO
  • Average pressure in May: 29.85"Hg

The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.82"Hg).

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Average wind speed in May
Fort Lyon, CO

Average wind speed in May - Fort Lyon, CO
  • Average wind speed in May: 11.3mph

The windiest month (with the highest average wind speed) is April (11.7mph).
The calmest month (with the lowest average wind speed) is January (8.2mph).

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Average humidity in May
Fort Lyon, CO

Average humidity in May - Fort Lyon, CO
  • Average humidity in May: 43%

The month with the highest relative humidity is January (58%).
The month with the lowest relative humidity is June (38%).

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Average rainfall in May
Fort Lyon, CO

Average rainfall in May - Fort Lyon, CO
  • Average rainfall in May: 1.14"

The wettest month (with the highest rainfall) is July (1.81").
The driest months (with the least rainfall) are January, November and December (0.35").

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Average rainfall days in May
Fort Lyon, CO

Average rainfall days in May - Fort Lyon, CO
  • Average rainfall days in May: 10.6 days

The month with the highest number of rainy days is July (13.8 days).
The month with the least rainy days is January (3.3 days).

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Average snowfall in May
Fort Lyon, CO

Average snowfall in May - Fort Lyon, CO
  • Average snowfall in May: 0.04"

The month with the highest snowfall is February (2.17").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in May
Fort Lyon, CO

Average snowfall days in May - Fort Lyon, CO
  • Average snowfall days in May: 0.1 days

The month with the highest number of snowfall days is February (5.2 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
Fort Lyon, CO

Average daylight in May / Average sunshine in May - Fort Lyon, 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 2min

The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is February (Average sunshine: 6h and 42min).

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Average sunshine days in May
Fort Lyon, CO

Average sunshine days in May - Fort Lyon, CO
  • Average sunshine days in May: 18.2 days

The month with the most sunshine days is November (24.5 days).
The month with the least sunshine days is July (13.2 days).

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Average UV index in May
Fort Lyon, CO

Average UV index in May - Fort Lyon, CO
  • Average UV index in May: 6

The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January, November and December (UV index 2).

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Average cloud cover in May
Fort Lyon, CO

Average cloud cover in May - Fort Lyon, CO
  • Average cloud cover in May: 21

The months with the most cloud cover are February and April (Cloud cover 25).
The months with the least cloud cover are June and September (Cloud cover 14).

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Average visibility in May
Fort Lyon, CO

Average visibility in May - Fort Lyon, 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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Fort Lyon, Colorado, USA

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