May weather forecastHolly, CO
May
Weather in May
The last month of the spring, May, is a warm month in Holly, Colorado, with an average temperature varying between 53.2°F (11.8°C) and 76.8°F (24.9°C).Temperature
May brings an increase in the average high-temperature, progressing from a comfortable 67.6°F (19.8°C) in April to a moderately hot 76.8°F (24.9°C). Holly's May nights see a large temperature deviation, with temperatures resting at a low of 53.2°F (11.8°C).Humidity
In Holly, the average relative humidity in May is 50%.Rainfall
In May, the rain falls for 11.8 days. Throughout May, 1.77" (45mm) of precipitation is accumulated. In Holly, Colorado, during the entire year, the rain falls for 87.3 days and collects up to 11.73" (298mm) of precipitation.Snowfall
Months with snowfall in Holly are January through May, October through December. May is the last month it regularly snows. During 0.1 snowfall days, in May, Holly aggregates 0.08" (2mm) of snow. Throughout the year, in Holly, Colorado, there are 18.3 snowfall days, and 6.1" (155mm) of snow is accumulated.Daylight
In Holly, the average length of the day in May is 14h and 15min.On the first day of the month, sunrise is at 5:51 am and sunset at 7:39 pm. On the last day of May, sunrise is at 5:27 am and sunset at 8:05 pm MDT.
Sunshine
In Holly, the average sunshine in May is 10.9h.UV index
The average daily maximum UV index in May is 6. A UV Index reading of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for the average person.Note: A daily maximum UV index of 6 in May translates into the following instructions:
Dodge overexposure. Fair-skinned people can get singed in less than 20 minutes. Minimize exposure to direct sunlight and seek shade from 10 a.m. to 4 p.m., when UV radiation is most intense, but remember that shade structures may not offer complete protection. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Holly, CO
- Average high temperature in May: 76.8°F
The warmest month (with the highest average high temperature) is July (93.2°F).
The month with the lowest average high temperature is December (44.4°F).
- Average low temperature in May: 53.2°F
The month with the highest average low temperature is July (70.9°F).
The coldest month (with the lowest average low temperature) is December (26.1°F).
Average pressure in May
Holly, CO
- Average pressure in May: 29.85"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.79"Hg).
Average wind speed in May
Holly, CO
- Average wind speed in May: 12.1mph
The windiest month (with the highest average wind speed) is April (12.9mph).
The calmest month (with the lowest average wind speed) is January (9.9mph).
Average humidity in May
Holly, CO
- Average humidity in May: 50%
The month with the highest relative humidity is January (60%).
The month with the lowest relative humidity is June (44%).
Average rainfall in May
Holly, CO
- Average rainfall in May: 1.77"
The wettest month (with the highest rainfall) is June (1.97").
The driest month (with the least rainfall) is January (0.28").
Average rainfall days in May
Holly, CO
- Average rainfall days in May: 11.8 days
The months with the highest number of rainy days are May and July (11.8 days).
The month with the least rainy days is February (2.5 days).
Average snowfall in May
Holly, CO
- Average snowfall in May: 0.08"
The month with the highest snowfall is December (1.42").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Holly, CO
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is December (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
Holly, CO
- Average daylight in May: 14h and 12min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in May: 10h and 54min
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 24min).
Average sunshine days in May
Holly, CO
- Average sunshine days in May: 16.8 days
The month with the most sunshine days is November (24.8 days).
The month with the least sunshine days is July (16 days).
Average UV index in May
Holly, CO
- Average UV index in May: 6
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, November and December (UV index 2).
Average cloud cover in May
Holly, CO
- Average cloud cover in May: 25
The month with the most cloud cover is February (Cloud cover 29).
The month with the least cloud cover is June (Cloud cover 15).
Average visibility in May
Holly, 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).
