May weather forecast
Bellvue, CO

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Weather in May

May, the last month of the spring in Bellvue, is an enjoyable month, with an average temperature varying between 40.6°F (4.8°C) and 63.3°F (17.4°C).

Temperature

The onset of May brings a minor temperature shift, with the average high-temperature moving from a fresh 54.5°F (12.5°C) in April to a refreshing 63.3°F (17.4°C). A sharp reduction from the daytime highs is witnessed during May, with nighttime temperatures averaging a low of 40.6°F (4.8°C).

Humidity

In May, the average relative humidity in Bellvue is 56%.

Rainfall

The month with the most rainfall in Bellvue is May, when the rain falls for 12.1 days and typically aggregates up to 1.5" (38mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall in Bellvue. May is the last month it regularly snows in Bellvue. During 1.1 snowfall days, in May, Bellvue aggregates 1.22" (31mm) of snow. Throughout the year, in Bellvue, there are 21.2 snowfall days, and 15.98" (406mm) of snow is accumulated.

Daylight

In May, the average length of the day is 14h and 28min.
On the first day of May in Bellvue, sunrise is at 5:58 am and sunset at 7:57 pm. On the last day of the month, sunrise is at 5:31 am and sunset at 8:25 pm MDT.

Sunshine

The average sunshine in May in Bellvue, Colorado, is 10.8h.

UV index

In May, the average daily maximum UV index in Bellvue, Colorado, is 4. 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: An average maximum UV index of 4 in May leads to these recommendations:
Put precautions into practice - Protective measures against sun-induced damage are advised. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Always opt for UVA and UVB-resistant sunglasses on radiant days. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
Updated: Feb 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in May in Bellvue?

An average high-temperature, in May, in Bellvue, is 63.3°F (17.4°C) and the average low-temperature is 40.6°F (4.8°C).

What is the average humidity in May in Bellvue?

The average relative humidity in May in Bellvue, Colorado, is 56%.

What is the rainiest month in Bellvue?

The month with the most rainfall in Bellvue, Colorado, is May, when the rain falls for 12.1 days and typically aggregates up to 1.5" (38mm) of precipitation.

How many days does it rain in May in Bellvue?

In Bellvue, in May, during 12.1 rainfall days, 1.5" (38mm) of precipitation is typically accumulated.

What is the last month it snows in Bellvue?

May is the last month it regularly snows in Bellvue. During 1.1 snowfall days, in May, Bellvue aggregates 1.22" (31mm) of snow.

What is the average length of the day in May in Bellvue?

In Bellvue, Colorado, the average day length in May is 14h and 28min.

What time are sunrise and sunset in May in Bellvue?

In May, on the first day of the month, sunrise is at 5:58 am and sunset at 7:57 pm. On the last day of the month, in Bellvue, sunrise is at 5:31 am and sunset at 8:25 pm MDT.

How many hours of sunshine does Bellvue have in May?

In Bellvue, the average sunshine duration in May is 10.8h.

How high is the UV index in May in Bellvue?

In May, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a medium hazard to health from 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
Bellvue, CO

Average temperature in May - Bellvue, CO
  • Average high temperature in May: 63.3°F

The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is December (36.1°F).

  • Average low temperature in May: 40.6°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 (18.7°F).

Average pressure in May
Bellvue, CO

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

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

Average wind speed in May
Bellvue, CO

Average wind speed in May - Bellvue, CO
  • Average wind speed in May: 6.5mph

The windiest month (with the highest average wind speed) is April (7.6mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).

Average humidity in May
Bellvue, CO

Average humidity in May - Bellvue, CO
  • Average humidity in May: 56%

The month with the highest relative humidity is February (67%).
The months with the lowest relative humidity are June, August and September (45%).

Average rainfall in May
Bellvue, CO

Average rainfall in May - Bellvue, CO
  • Average rainfall in May: 1.5"

The wettest month (with the highest rainfall) is May (1.5").
The driest month (with the least rainfall) is January (0.12").

Average rainfall days in May
Bellvue, CO

Average rainfall days in May - Bellvue, CO
  • Average rainfall days in May: 12.1 days

The month with the highest number of rainy days is July (14.6 days).
The month with the least rainy days is January (1.2 days).

Average snowfall in May
Bellvue, CO

Average snowfall in May - Bellvue, CO
  • Average snowfall in May: 1.22"

The month with the highest snowfall is April (3.27").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in May
Bellvue, CO

Average snowfall days in May - Bellvue, CO
  • Average snowfall days in May: 1.1 days

The month with the highest number of snowfall days is February (4.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in May / Average sunshine in May - Bellvue, CO
  • Average daylight in May: 14h and 3min

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in May: 10h and 5min

The month with the most sunshine is June (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 6h and 42min).

Average sunshine days in May
Bellvue, CO

Average sunshine days in May - Bellvue, CO
  • Average sunshine days in May: 17.1 days

The months with the most sunshine days are January and December (27.5 days).
The month with the least sunshine days is July (14.9 days).

Average UV index in May
Bellvue, CO

Average UV index in May - Bellvue, CO
  • Average UV index in May: 4

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

Average cloud cover in May
Bellvue, CO

Average cloud cover in May - Bellvue, CO
  • Average cloud cover in May: 27

The months with the most cloud cover are February, April and May (Cloud cover 27).
The month with the least cloud cover is September (Cloud cover 16).

Average visibility in May
Bellvue, CO

Average visibility in May - Bellvue, 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).

Bellvue, Colorado, USA

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