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
With the onset of May, Nelson's weather sees a minor temperature rise, transitioning from a moderate 60.6°F (15.9°C) in April to a pleasant 69.3°F (20.7°C). Nelson registers a substantial downturn from daytime peaks throughout May nights, with an average low-temperature of 47.3°F (8.5°C).Humidity
In Nelson, the average relative humidity in May is 54%.Rainfall
May is the month with the most rainfall. Rain falls for 14 days and accumulates 2.2" (56mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows. During 0.3 snowfall days, in May, Nelson aggregates 0.12" (3mm) of snow. Throughout the year, there are 33.8 snowfall days, and 12.83" (326mm) of snow is accumulated.Daylight
In Nelson, the average length of the day in May is 14h and 26min.On the first day of May in Nelson, Colorado, sunrise is at 5:52 am and sunset at 7:50 pm. On the last day of the month, sunrise is at 5:27 am and sunset at 8:17 pm MDT.
Sunshine
In May, the average sunshine is 10.8h.UV index
In Nelson, the average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the average person.Note: The UV index of 5 during May leads to these advisories:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in May?
What is the average humidity in May in Nelson?
What is the wettest month?
How much does it rain in May?
What is the last month it snows?
How many hours of daylight does Nelson have in May?
When is the sunrise / sunset in May?
How many hours of sunshine does Nelson have in May?
What is the UV index reading in May?
Average temperature in May
Nelson, CO
- Average high temperature in May: 69.3°F
The warmest month (with the highest average high temperature) is July (88.7°F).
The month with the lowest average high temperature is December (38.7°F).
- Average low temperature in May: 47.3°F
The month with the highest average low temperature is July (65.3°F).
The coldest month (with the lowest average low temperature) is December (22.5°F).
Average pressure in May
Nelson, CO
- Average pressure in May: 29.89"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in May
Nelson, CO
- Average wind speed in May: 9.4mph
The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest month (with the lowest average wind speed) is December (7.8mph).
Average humidity in May
Nelson, CO
- Average humidity in May: 54%
The month with the highest relative humidity is January (64%).
The months with the lowest relative humidity are August and September (45%).
Average rainfall in May
Nelson, CO
- Average rainfall in May: 2.2"
The wettest month (with the highest rainfall) is May (2.2").
The driest months (with the least rainfall) are January and December (0.39").
Average rainfall days in May
Nelson, CO
- Average rainfall days in May: 14 days
The month with the highest number of rainy days is July (14.4 days).
The month with the least rainy days is November (2.9 days).
Average snowfall in May
Nelson, CO
- Average snowfall in May: 0.12"
The month with the highest snowfall is February (2.64").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Nelson, CO
- Average snowfall days in May: 0.3 days
The month with the highest number of snowfall days is February (8.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Nelson, 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: 10h and 5min
The months with the most sunshine are June, July and August (Average sunshine: 11h and 48min).
The months with the least sunshine are February and December (Average sunshine: 6h and 30min).
Average sunshine days in May
Nelson, CO
- Average sunshine days in May: 14.3 days
The month with the most sunshine days is November (23.4 days).
The month with the least sunshine days is July (12.8 days).
Average UV index in May
Nelson, 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
Nelson, CO
- Average cloud cover in May: 27
The month with the most cloud cover is February (Cloud cover 31).
The month with the least cloud cover is August (Cloud cover 16).
Average visibility in May
Nelson, 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).
Nelson, Colorado, USA
Weather forecast for your location
2. Allow the app to use your location