May weather forecastMack, CO
May
Weather in May
The last month of the spring, May, is an agreeable month in Mack, Colorado, with an average temperature varying between 68°F (20°C) and 44.2°F (6.8°C).Temperature
Mack's weather shows a temperature rise with the arrival of May, moving from a moderate 57.4°F (14.1°C) in April to a pleasant 68°F (20°C). In May, the temperature sees a substantial plunge from daytime highs to a low average of 44.2°F (6.8°C).Humidity
In May, the average relative humidity is 38%.Rainfall
In Mack, in May, it is raining for 10.1 days, with typically 0.83" (21mm) of accumulated precipitation. Throughout the year, there are 107.7 rainfall days, and 9.33" (237mm) of precipitation is accumulated.Snowfall
In Mack, snow does not fall in May through September.Daylight
In May, the average length of the day is 14h and 20min.On the first day of the month, sunrise is at 6:15 am and sunset at 8:09 pm. On the last day of May, sunrise is at 5:50 am and sunset at 8:35 pm MDT.
Sunshine
In May, the average sunshine is 11.6h.UV index
In Mack, 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 the average person.Note: In May, the maximum UV index of 5 transforms into these recommendations:
Be vigilant - A duty to shield skin and eyes from injury exists. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Mack, CO
- Average high temperature in May: 68°F
The warmest month (with the highest average high temperature) is July (86.2°F).
The month with the lowest average high temperature is January (33.8°F).
- Average low temperature in May: 44.2°F
The month with the highest average low temperature is July (60.3°F).
The coldest month (with the lowest average low temperature) is January (17.2°F).
Average pressure in May
Mack, CO
- Average pressure in May: 29.89"Hg
The month with the highest atmospheric pressure is January (30.27"Hg).
The months with the lowest atmospheric pressure are May and June (29.89"Hg).
Average wind speed in May
Mack, CO
- Average wind speed in May: 7.1mph
The windiest month (with the highest average wind speed) is June (7.3mph).
The calmest month (with the lowest average wind speed) is January (4.2mph).
Average humidity in May
Mack, CO
- Average humidity in May: 38%
The month with the highest relative humidity is January (79%).
The month with the lowest relative humidity is June (30%).
Average rainfall in May
Mack, CO
- Average rainfall in May: 0.83"
The wettest month (with the highest rainfall) is October (1.02").
The driest month (with the least rainfall) is January (0.47").
Average rainfall days in May
Mack, CO
- Average rainfall days in May: 10.1 days
The month with the highest number of rainy days is July (12.8 days).
The month with the least rainy days is November (5.6 days).
Average snowfall in May
Mack, CO
- Average snowfall in May: 0"
The month with the highest snowfall is December (4.41").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Mack, CO
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is January (7.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Mack, CO
- Average daylight in May: 14h and 18min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in May: 11h and 36min
The month with the most sunshine is June (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 6h and 18min).
Average sunshine days in May
Mack, CO
- Average sunshine days in May: 17.6 days
The month with the most sunshine days is November (22.1 days).
The month with the least sunshine days is July (11.6 days).
Average UV index in May
Mack, 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
Mack, CO
- Average cloud cover in May: 17
The month with the most cloud cover is January (Cloud cover 31).
The months with the least cloud cover are June and September (Cloud cover 11).
Average visibility in May
Mack, CO
- Average visibility in May: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).
