May weather forecastErie, CO
May
Weather in May
May emerges bringing the first hints of summer to Erie, Colorado. The remnant April showers pave the way for robust blooms and lush landscapes. In stark comparison to April, May pioneers a distinct shift - recording an average high temperature of 69.4°F (20.8°C). Despite being the bearer of the year’s highest rainfall - 1.69" (43mm) - May offers more dry days than wet. As June approaches, the community anticipates the abundance of summer activities, with extended daylight hours facilitating outdoor entertainment.Temperature
May's onset brings a subtle temperature rise, moving from a refreshing 61.3°F (16.3°C) in April to a pleasant 69.4°F (20.8°C). A noteworthy temperature dip to a frosty 44.6°F (7°C) is observed during the nights of May.Humidity
In Erie, the average relative humidity in May is 52%.Rainfall
May is the month with the most rainfall. Rain falls for 12.3 days and accumulates 1.69" (43mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 1.3 snowfall days, in May, Erie aggregates 2.28" (58mm) of snow. Throughout the year, there are 38.2 snowfall days, and 27.44" (697mm) of snow is accumulated.Daylight
In May, the average length of the day in Erie, Colorado, is 14h and 25min.On the first day of May, sunrise is at 5:58 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 is 11h.UV index
In May, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum UV index of 5 during May translates into these guidelines:
Adopt protective measures - It is advised to guard against sun damage. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Erie, CO
- Average high temperature in May: 69.4°F
The warmest month (with the highest average high temperature) is July (89.2°F).
The month with the lowest average high temperature is December (40.8°F).
- Average low temperature in May: 44.6°F
The month with the highest average low temperature is July (61.5°F).
The coldest month (with the lowest average low temperature) is December (21°F).
Average pressure in May
Erie, CO
- Average pressure in May: 29.91"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in May
Erie, CO
- Average wind speed in May: 6.3mph
The windiest month (with the highest average wind speed) is April (7mph).
The calmest month (with the lowest average wind speed) is December (5.7mph).
Average humidity in May
Erie, CO
- Average humidity in May: 52%
The month with the highest relative humidity is February (64%).
The month with the lowest relative humidity is August (40%).
Average rainfall in May
Erie, CO
- Average rainfall in May: 1.69"
The wettest month (with the highest rainfall) is May (1.69").
The driest months (with the least rainfall) are January and December (0.35").
Average rainfall days in May
Erie, CO
- Average rainfall days in May: 12.3 days
The months with the highest number of rainy days are May and July (12.3 days).
The months with the least rainy days are January and December (3 days).
Average snowfall in May
Erie, CO
- Average snowfall in May: 2.28"
The month with the highest snowfall is April (4.45").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Erie, CO
- Average snowfall days in May: 1.3 days
The month with the highest number of snowfall days is February (7.8 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in May /
Average sunshine in May
Erie, CO
- Average daylight in May: 14h and 24min
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 0min
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
Erie, CO
- Average sunshine days in May: 15.9 days
The month with the most sunshine days is December (24.5 days).
The month with the least sunshine days is July (12.8 days).
Average UV index in May
Erie, 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
Erie, CO
- Average cloud cover in May: 26
The month with the most cloud cover is April (Cloud cover 27).
The month with the least cloud cover is September (Cloud cover 15).
Average visibility in May
Erie, 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).





