May weather forecast
Masonville, CO

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Weather in May

The last month of the spring, May, is a refreshing month in Masonville, Colorado, with temperature in the range of an average high of 63.3°F (17.4°C) and an average low of 40.6°F (4.8°C).

Temperature

The onset of May brings a minor temperature shift, with the average high-temperature moving from a cool 54.5°F (12.5°C) in April to an enjoyable 63.3°F (17.4°C). In Masonville, the May nights descend to a significantly cooler average of 40.6°F (4.8°C) compared to daytime highs.

Humidity

The average relative humidity in May in Masonville is 56%.

Rainfall

The month with the most rainfall in Masonville 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. May is the last month it regularly snows in Masonville, Colorado. During 1.1 snowfall days, in May, Masonville aggregates 1.22" (31mm) of snow. In Masonville, Colorado, during the entire year, snow falls for 21.2 days and aggregates up to 15.98" (406mm) of snow.

Daylight

The average length of the day in May is 14h and 27min.
On the first day of the month, sunrise is at 5:58 am and sunset at 7:57 pm. On the last day of May, in Masonville, sunrise is at 5:32 am and sunset at 8:24 pm MDT.

Sunshine

The average sunshine in May in Masonville is 10.8h.

UV index

In May, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the average person.
Note: In May, a daily UV index of 4 turns into the following recommendations:
Prioritize safety - Recommendations to avert sunburn are shared. When the Sun is at its strongest around midday, find shade and limit exposure. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
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Frequently asked questions

What is the usual temperature for Masonville in May?

During May, Masonville experiences an average high-temperature of 63.3°F (17.4°C) and a low-temperature of 40.6°F (4.8°C).

What is the average humidity in May in Masonville?

The average relative humidity in May is 56%.

What is the rainiest month in Masonville?

The month with the most rainfall in Masonville, 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 Masonville?

In Masonville, Colorado, in May, it is raining for 12.1 days, with typically 1.5" (38mm) of accumulated precipitation.

What is the last month it snows in Masonville?

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

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

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

When are sunrise and sunset in May in Masonville?

On the first day of May in Masonville, sunrise is at 5:58 am and sunset at 7:57 pm. On the last day of the month, sunrise is at 5:32 am and sunset at 8:24 pm MDT.

How many hours of sunshine does Masonville have in May?

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

How high is the UV index in May in Masonville?

In Masonville, the average daily maximum UV index in May is 4. A UV Index reading of 3 to 5 represents a moderate health threat 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
Masonville, CO

Average temperature in May - Masonville, 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).

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Average pressure in May
Masonville, CO

Average pressure in May - Masonville, 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).

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Average wind speed in May
Masonville, CO

Average wind speed in May - Masonville, 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).

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Average humidity in May
Masonville, CO

Average humidity in May - Masonville, 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%).

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Average rainfall in May
Masonville, CO

Average rainfall in May - Masonville, 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").

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Average rainfall days in May
Masonville, CO

Average rainfall days in May - Masonville, 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).

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Average snowfall in May
Masonville, CO

Average snowfall in May - Masonville, 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").

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Average snowfall days in May
Masonville, CO

Average snowfall days in May - Masonville, 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).

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

Average daylight in May / Average sunshine in May - Masonville, 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).

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Average sunshine days in May
Masonville, CO

Average sunshine days in May - Masonville, 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).

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Average UV index in May
Masonville, CO

Average UV index in May - Masonville, 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).

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Average cloud cover in May
Masonville, CO

Average cloud cover in May - Masonville, 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).

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Average visibility in May
Masonville, CO

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

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