May weather forecast
Broomfield, CO

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Neat and well-manicured lawns of a golf course in Broomfield, Colorado, colorful brown and golden trees amid classy homes during the fall
Neat and well-manicured lawns of a golf course in Broomfield, Colorado, colorful brown and golden trees amid classy homes during the fall

Weather in May

May proffers sunnier times in Broomfield, complemented by a noticeable rise in temperature. A rise in maximum temperatures to an average of 66°F (18.9°C) signifies the arrival of spring in all its glory. Unpredictably, rainfall also increases during May, with a monthly average of 0.87" (22mm). Light breezes from the month’s average wind speed of 5.8mph (9.3km/h) bring forth mild and comfortable weather. As the days grow longer, the levels of sunshine reach a yearly peak.

Temperature

May introduces a marginal temperature uplift, with average high-temperatures adjusting from April's mild 57.6°F (14.2°C) to an enjoyable 66°F (18.9°C). Despite soaring daytime temperatures, Broomfield registers a consistent average low-temperature of 41.7°F (5.4°C) in May.

Humidity

In Broomfield, the average relative humidity in May is 54%.

Rainfall

The wettest months in Broomfield are May and July, with an average 0.87" (22mm) of rainfall.

Snowfall

Months with snowfall in Broomfield, Colorado, are January through May, October through December. May is the last month it regularly snows in Broomfield. During 1.6 snowfall days, in May, Broomfield aggregates 0.79" (20mm) of snow. Throughout the year, there are 36.7 snowfall days, and 13.98" (355mm) of snow is accumulated.

Daylight

In May, the average length of the day is 14h and 24min.
On the first day of May, sunrise is at 5:59 am and sunset at 7:55 pm. On the last day of the month, sunrise is at 5:33 am and sunset at 8:22 pm MDT.

Sunshine

The average sunshine in May in Broomfield is 11.1h.

UV index

In Broomfield, Colorado, the average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.
Note: A maximum high UV index of 5 in May translates into the following recommendations:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Enhance your sun protection with tightly woven, yet airy clothing. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
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Frequently asked questions

What are May temperatures in Broomfield?

Broomfield in May has an average high-temperature of 66°F (18.9°C) and an average low-temperature of 41.7°F (5.4°C).

What is the average humidity in May in Broomfield?

The average relative humidity in May is 54%.

What is the wettest month in Broomfield?

The wettest months in Broomfield, Colorado, are May and July, with an average 0.87" (22mm) of rainfall.

How many days does it rain in May in Broomfield?

In May, in Broomfield, Colorado, the rain falls for 14.4 days. Throughout May, 0.87" (22mm) of precipitation is accumulated.

What is the last month it snows in Broomfield?

May is the last month it regularly snows in Broomfield, Colorado. During 1.6 snowfall days, in May, Broomfield aggregates 0.79" (20mm) of snow.

How many hours of daylight does Broomfield have in May?

In May, the average day length is 14h and 24min.

When are sunrise and sunset in May in Broomfield?

In May, on the first day of the month, sunrise is at 5:59 am and sunset at 7:55 pm. On the last day of the month, in Broomfield, sunrise is at 5:33 am and sunset at 8:22 pm MDT.

How long on average sun shines in May in Broomfield?

The average sunshine duration in May is 11.1h.

What is the UV index reading in May in Broomfield?

In Broomfield, the average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes 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
Broomfield, CO

Average temperature in May - Broomfield, CO
  • Average high temperature in May: 66°F

The warmest month (with the highest average high temperature) is July (85.5°F).
The month with the lowest average high temperature is December (39.4°F).

  • Average low temperature in May: 41.7°F

The month with the highest average low temperature is July (59°F).
The coldest months (with the lowest average low temperature) are February and December (20.7°F).

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Average pressure in May
Broomfield, CO

Average pressure in May - Broomfield, 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).

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Average wind speed in May
Broomfield, CO

Average wind speed in May - Broomfield, CO
  • Average wind speed in May: 5.8mph

The windiest months (with the highest average wind speed) are March and April (6.5mph).
The calmest month (with the lowest average wind speed) is September (5.6mph).

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Average humidity in May
Broomfield, CO

Average humidity in May - Broomfield, CO
  • Average humidity in May: 54%

The month with the highest relative humidity is February (67%).
The month with the lowest relative humidity is August (41%).

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Average rainfall in May
Broomfield, CO

Average rainfall in May - Broomfield, CO
  • Average rainfall in May: 0.87"

The wettest months (with the highest rainfall) are May and July (0.87").
The driest month (with the least rainfall) is January (0.16").

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Average rainfall days in May
Broomfield, CO

Average rainfall days in May - Broomfield, CO
  • Average rainfall days in May: 14.4 days

The month with the highest number of rainy days is May (14.4 days).
The month with the least rainy days is November (3.5 days).

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Average snowfall in May
Broomfield, CO

Average snowfall in May - Broomfield, CO
  • Average snowfall in May: 0.79"

The month with the highest snowfall is February (2.68").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in May
Broomfield, CO

Average snowfall days in May - Broomfield, CO
  • Average snowfall days in May: 1.6 days

The month with the highest number of snowfall days is February (8.4 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
Broomfield, CO

Average daylight in May / Average sunshine in May - Broomfield, CO
  • Average daylight in May: 14h and 2min

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 24min).

  • Average sunshine in May: 11h and 1min

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

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Average sunshine days in May
Broomfield, CO

Average sunshine days in May - Broomfield, CO
  • Average sunshine days in May: 12 days

The month with the most sunshine days is November (23.7 days).
The month with the least sunshine days is July (10 days).

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Average UV index in May
Broomfield, CO

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

The months with the highest UV index are 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
Broomfield, CO

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

The months with the most cloud cover are April and May (Cloud cover 26).
The month with the least cloud cover is September (Cloud cover 15).

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Average visibility in May
Broomfield, CO

Average visibility in May - Broomfield, 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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Broomfield, Colorado, USA

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