Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average snowfall in May
- Average snowfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
Westminster experiences a minor temperature shift with the start of May, with average high-temperatures moving from a moderate 59.7°F (15.4°C) in April to a pleasant 68°F (20°C). Westminster's May nights cool down significantly from the day's heat, to an average low-temperature of 43.5°F (6.4°C).Humidity
In May, the average relative humidity in Westminster, Colorado, is 51%.Rainfall
May is the month with the most rainfall in Westminster. Rain falls for 15.6 days and accumulates 2.05" (52mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows. During 1.7 snowfall days, in May, Westminster aggregates 2.6" (66mm) of snow. In Westminster, during the entire year, snow falls for 40.4 days and aggregates up to 31.3" (795mm) of snow.Daylight
In May, the average length of the day in Westminster is 14h and 24min.On the first day of May in Westminster, 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
In May, the average sunshine in Westminster is 11.2h.UV index
In May, the average daily maximum UV index in Westminster is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the average person.Note: A daily high UV index of 5 in May leads to these guidelines:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are May temperatures in Westminster?
What is the average humidity in May in Westminster?
What is the rainiest month in Westminster?
How many days does it rain in May in Westminster?
What is the last month it snows in Westminster?
What is the average length of the day in May in Westminster?
When are sunrise and sunset in May in Westminster?
How many hours of sunshine does Westminster have in May?
What is the UV index reading in May in Westminster?
Average temperature in May
Westminster, CO
- Average high temperature in May: 68°F
The warmest month (with the highest average high temperature) is July (87.4°F).
The month with the lowest average high temperature is December (41.2°F).
- Average low temperature in May: 43.5°F
The month with the highest average low temperature is July (60.8°F).
The coldest month (with the lowest average low temperature) is December (21.2°F).
Average pressure in May
Westminster, 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).
Average wind speed in May
Westminster, CO
- Average wind speed in May: 6.1mph
The windiest month (with the highest average wind speed) is April (6.7mph).
The calmest months (with the lowest average wind speed) are August, September and December (5.8mph).
Average humidity in May
Westminster, CO
- Average humidity in May: 51%
The month with the highest relative humidity is February (65%).
The months with the lowest relative humidity are June and August (40%).
Average rainfall in May
Westminster, CO
- Average rainfall in May: 2.05"
The wettest month (with the highest rainfall) is May (2.05").
The driest months (with the least rainfall) are January and December (0.35").
Average rainfall days in May
Westminster, CO
- Average rainfall days in May: 15.6 days
The month with the highest number of rainy days is May (15.6 days).
The month with the least rainy days is January (3.3 days).
Average snowfall in May
Westminster, CO
- Average snowfall in May: 2.6"
The month with the highest snowfall is April (5.55").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Westminster, CO
- Average snowfall days in May: 1.7 days
The month with the highest number of snowfall days is February (9.4 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in May /
Average sunshine in May
Westminster, 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 and July (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 6h and 42min).
Average sunshine days in May
Westminster, CO
- Average sunshine days in May: 11.2 days
The month with the most sunshine days is December (23.9 days).
The month with the least sunshine days is July (8.8 days).
Average UV index in May
Westminster, 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).
Average cloud cover in May
Westminster, CO
- Average cloud cover in May: 25
The month with the most cloud cover is April (Cloud cover 26).
The month with the least cloud cover is September (Cloud cover 15).
Average visibility in May
Westminster, 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).
Westminster, Colorado, USA
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