May weather forecastHamilton, CO
May
Weather in May
May, the last month of the spring in Hamilton, is an enjoyable month, with an average temperature ranging between max 61.3°F (16.3°C) and min 37.9°F (3.3°C).Temperature
In May, the average high-temperature increases from a fresh 50.2°F (10.1°C) in April to a comfortable 61.3°F (16.3°C). Nightfall in May introduces a considerable dip in temperature, settling at an average of 37.9°F (3.3°C).Humidity
The average relative humidity in May is 53%.Rainfall
In Hamilton, in May, it is raining for 10.1 days, with typically 0.94" (24mm) of accumulated precipitation. Throughout the year, in Hamilton, there are 76.8 rainfall days, and 9.88" (251mm) of precipitation is accumulated.Snowfall
January through May, September through December are months with snowfall in Hamilton. May is the last month it regularly snows. During 1.6 snowfall days, in May, Hamilton aggregates 0.71" (18mm) of snow. In Hamilton, during the entire year, snow falls for 68.6 days and aggregates up to 41.3" (1049mm) of snow.Daylight
In May, the average length of the day in Hamilton is 14h and 26min.On the first day of May in Hamilton, sunrise is at 6:08 am and sunset at 8:06 pm. On the last day of the month, sunrise is at 5:42 am and sunset at 8:34 pm MDT.
Sunshine
The average sunshine in May in Hamilton is 11.1h.UV index
In May, the average daily maximum UV index in Hamilton, Colorado, is 4. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the average person.Note: The average daily UV index of 4 in May transforms into the following instructions:
Take necessary precautions - Protection from skin and eye injury is mandatory. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Hamilton, CO
- Average high temperature in May: 61.3°F
The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (28.8°F).
- Average low temperature in May: 37.9°F
The month with the highest average low temperature is July (51.8°F).
The coldest month (with the lowest average low temperature) is January (10.9°F).
Average pressure in May
Hamilton, CO
- Average pressure in May: 29.92"Hg
The month with the highest atmospheric pressure is January (30.27"Hg).
The months with the lowest atmospheric pressure are May and June (29.92"Hg).
Average wind speed in May
Hamilton, CO
- Average wind speed in May: 7.7mph
The windiest month (with the highest average wind speed) is April (7.9mph).
The calmest month (with the lowest average wind speed) is January (5.2mph).
Average humidity in May
Hamilton, CO
- Average humidity in May: 53%
The months with the highest relative humidity are January and February (84%).
The month with the lowest relative humidity is August (41%).
Average rainfall in May
Hamilton, CO
- Average rainfall in May: 0.94"
The wettest month (with the highest rainfall) is April (1.38").
The driest months (with the least rainfall) are August and September (0.39").
Average rainfall days in May
Hamilton, CO
- Average rainfall days in May: 10.1 days
The month with the highest number of rainy days is April (10.8 days).
The month with the least rainy days is January (3.1 days).
Average snowfall in May
Hamilton, CO
- Average snowfall in May: 0.71"
The month with the highest snowfall is December (7.28").
The months with the least snowfall are June, July and August (0").
Average snowfall days in May
Hamilton, CO
- Average snowfall days in May: 1.6 days
The month with the highest number of snowfall days is February (13.8 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in May /
Average sunshine in May
Hamilton, 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 18min).
- Average sunshine in May: 11h and 6min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is February (Average sunshine: 5h and 18min).
Average sunshine days in May
Hamilton, CO
- Average sunshine days in May: 18 days
The month with the most sunshine days is June (22.8 days).
The month with the least sunshine days is February (13.3 days).
Average UV index in May
Hamilton, 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, March, October, November and December (UV index 2).
Average cloud cover in May
Hamilton, CO
- Average cloud cover in May: 23
The month with the most cloud cover is February (Cloud cover 45).
The month with the least cloud cover is September (Cloud cover 12).
Average visibility in May
Hamilton, CO
- Average visibility in May: 6mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January and February (4mi).





