May weather forecast
Greeley, CO

Weather in May

The last month of the spring, May, is an agreeable month in Greeley, Colorado, with an average temperature ranging between min 46°F (7.8°C) and max 69.3°F (20.7°C).

Temperature

In Greeley, the average high-temperature in May slightly increases from a comfortable 61.2°F (16.2°C) in April to a pleasant 69.3°F (20.7°C). In May, in Greeley, the average low-temperature is 46°F (7.8°C).

Humidity

The average relative humidity in May in Greeley is 53%.

Rainfall

The month with the most rainfall is May, when the rain falls for 10.2 days and typically aggregates up to 1.61" (41mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. May is the last month it regularly snows in Greeley. During 1 snowfall days, in May, Greeley aggregates 2.05" (52mm) of snow. Throughout the year, there are 26.6 snowfall days, and 13.62" (346mm) of snow is accumulated.

Daylight

In Greeley, the average length of the day in May is 14h and 27min.
On the first day of May, sunrise is at 5:57 am and sunset at 7:54 pm. On the last day of the month, sunrise is at 5:30 am and sunset at 8:22 pm MDT.

Sunshine

The average sunshine in May is 11h.

UV index

In Greeley, the average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In May, the average maximum UV index of 5 translate into the following recommendations:
Take precautions - Protection against sun damage is advised. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the average humidity in May in Greeley?

In May, the average relative humidity in Greeley, Colorado, is 53%.

What is the wettest month in Greeley?

May is the month with the most rainfall in Greeley, Colorado. Rain falls for 10.2 days and accumulates 1.61" (41mm) of precipitation.

How many days does it rain in May in Greeley?

In Greeley, Colorado, in May, during 10.2 rainfall days, 1.61" (41mm) of precipitation is typically accumulated.

What is the last month it snows in Greeley?

May is the last month it regularly snows in Greeley. During 1 snowfall days, in May, Greeley aggregates 2.05" (52mm) of snow.

How many hours of daylight does Greeley have in May?

In May, the average day length is 14h and 27min.

What time are sunrise and sunset in May in Greeley?

In May, on the first day of the month, sunrise is at 5:57 am and sunset at 7:54 pm. On the last day of the month, in Greeley, sunrise is at 5:30 am and sunset at 8:22 pm MDT.

How many hours of sunshine does Greeley have in May?

In May, the average sunshine duration in Greeley is 11h.

How high is the UV index in May in Greeley?

In Greeley, Colorado, 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 exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Greeley, CO

Average temperature in May - Greeley, CO
  • Average high temperature in May: 69.3°F

The warmest month (with the highest average high temperature) is July (89.1°F).
The month with the lowest average high temperature is December (38.3°F).

  • Average low temperature in May: 46°F

The month with the highest average low temperature is July (62.1°F).
The coldest month (with the lowest average low temperature) is December (20.1°F).

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Average pressure in May
Greeley, CO

Average pressure in May - Greeley, CO
  • Average pressure in May: 29.91"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).

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Average wind speed in May
Greeley, CO

Average wind speed in May - Greeley, CO
  • Average wind speed in May: 7.5mph

The windiest month (with the highest average wind speed) is April (8.5mph).
The calmest month (with the lowest average wind speed) is December (6mph).

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Average humidity in May
Greeley, CO

Average humidity in May - Greeley, CO
  • Average humidity in May: 53%

The months with the highest relative humidity are January and December (64%).
The months with the lowest relative humidity are August and September (44%).

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Average rainfall in May
Greeley, CO

Average rainfall in May - Greeley, 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 December (0.2").

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Average rainfall days in May
Greeley, CO

Average rainfall days in May - Greeley, CO
  • Average rainfall days in May: 10.2 days

The month with the highest number of rainy days is July (11.4 days).
The month with the least rainy days is November (1.6 days).

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Average snowfall in May
Greeley, CO

Average snowfall in May - Greeley, CO
  • Average snowfall in May: 2.05"

The month with the highest snowfall is February (2.36").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in May
Greeley, CO

Average snowfall days in May - Greeley, CO
  • Average snowfall days in May: 1 days

The month with the highest number of snowfall days is February (5.7 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
Greeley, CO

Average daylight in May / Average sunshine in May - Greeley, CO
  • Average daylight in May: 14h and 27min

The month with the longest days is June (Average daylight: 15h and 1min).
The month with the shortest days is December (Average daylight: 9h and 20min).

  • Average sunshine in May: 11h and 0min

The month with the most sunshine is June (Average sunshine: 11h and 54min).
The months with the least sunshine are February and December (Average sunshine: 6h and 36min).

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Average sunshine days in May
Greeley, CO

Average sunshine days in May - Greeley, CO
  • Average sunshine days in May: 18.4 days

The month with the most sunshine days is December (25.9 days).
The month with the least sunshine days is July (16.7 days).

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Average UV index in May
Greeley, CO

Average UV index in May - Greeley, 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).

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Average cloud cover in May
Greeley, CO

Average cloud cover in May - Greeley, CO
  • Average cloud cover in May: 26

The month with the most cloud cover is February (Cloud cover 29).
The month with the least cloud cover is June (Cloud cover 16).

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Average visibility in May
Greeley, CO

Average visibility in May - Greeley, 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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