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
The shift into May brings an increase in the average high-temperature, moving from a cool 54.1°F (12.3°C) in April to an enjoyable 64.8°F (18.2°C). Delta observes a distinct decrease from peak daytime temperatures, with an average low-temperature of 40.3°F (4.6°C) throughout the month of May.Humidity
The average relative humidity in May is 44%.Rainfall
In May, in Delta, the rain falls for 11.4 days. Throughout May, 1.18" (30mm) of precipitation is accumulated. Throughout the year, there are 120.8 rainfall days, and 14.06" (357mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows in Delta. During 0.4 snowfall days, in May, Delta aggregates 0.2" (5mm) of snow. In Delta, during the entire year, snow falls for 43.4 days and aggregates up to 22.87" (581mm) of snow.Daylight
In Delta, the average length of the day in May is 14h and 18min.On the first day of the month, sunrise is at 6:13 am and sunset at 8:05 pm. On the last day of May, in Delta, Colorado, sunrise is at 5:49 am and sunset at 8:30 pm MDT.
Sunshine
In May, the average sunshine is 11.5h.UV index
The average daily maximum UV index in May is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the average person.Note: In May, the maximum UV index of 4 translates into these guidelines:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Frequently asked questions
What are May temperatures in Delta?
What is the average humidity in May in Delta?
How much does it rain in Delta in May?
What is the last month it snows in Delta?
What is the average length of the day in May in Delta?
When are sunrise and sunset in May in Delta?
How long on average sun shines in May in Delta?
How high is the UV index in May in Delta?
Average temperature in May
Delta, CO
- Average high temperature in May: 64.8°F
The warmest month (with the highest average high temperature) is July (83.7°F).
The month with the lowest average high temperature is January (33.1°F).
- Average low temperature in May: 40.3°F
The month with the highest average low temperature is July (55.2°F).
The coldest month (with the lowest average low temperature) is January (15.4°F).
Average pressure in May
Delta, CO
- Average pressure in May: 29.92"Hg
The month with the highest atmospheric pressure is January (30.26"Hg).
The month with the lowest atmospheric pressure is May (29.92"Hg).
Average wind speed in May
Delta, CO
- Average wind speed in May: 6.5mph
The windiest month (with the highest average wind speed) is June (7mph).
The calmest month (with the lowest average wind speed) is January (3.9mph).
Average humidity in May
Delta, CO
- Average humidity in May: 44%
The month with the highest relative humidity is January (81%).
The month with the lowest relative humidity is June (34%).
Average rainfall in May
Delta, CO
- Average rainfall in May: 1.18"
The wettest month (with the highest rainfall) is August (1.54").
The driest month (with the least rainfall) is June (0.71").
Average rainfall days in May
Delta, CO
- Average rainfall days in May: 11.4 days
The month with the highest number of rainy days is April (13.8 days).
The month with the least rainy days is June (6.8 days).
Average snowfall in May
Delta, CO
- Average snowfall in May: 0.2"
The month with the highest snowfall is December (5.87").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Delta, CO
- Average snowfall days in May: 0.4 days
The month with the highest number of snowfall days is February (10.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Delta, CO
- Average daylight in May: 14h and 2min
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 30min).
- Average sunshine in May: 11h and 3min
The month with the most sunshine is June (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 6h and 6min).
Average sunshine days in May
Delta, CO
- Average sunshine days in May: 16.5 days
The months with the most sunshine days are June and November (20.4 days).
The month with the least sunshine days is August (13.3 days).
Average UV index in May
Delta, CO
- Average UV index in May: 4
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in May
Delta, CO
- Average cloud cover in May: 19
The months with the most cloud cover are January and February (Cloud cover 33).
The month with the least cloud cover is June (Cloud cover 11).
Average visibility in May
Delta, 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).
Delta, Colorado, USA
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