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
As Rockvale enters May, the average high-temperature marginally increases from the a refreshing 61.5°F (16.4°C) of April to a pleasant 70.3°F (21.3°C). With a significant daily temperature differential, Rockvale's nighttime temperature in May falls to an average of 46.6°F (8.1°C).Humidity
In Rockvale, the average relative humidity in May is 45%.Rainfall
In Rockvale, during May, the rain falls for 14 days and regularly aggregates up to 1.81" (46mm) of precipitation. In Rockvale, during the entire year, the rain falls for 120.5 days and collects up to 14.92" (379mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Rockvale, Colorado. May is the last month it regularly snows in Rockvale. During 0.6 snowfall days, in May, Rockvale aggregates 0.24" (6mm) of snow. Throughout the year, there are 33.9 snowfall days, and 23.27" (591mm) of snow is accumulated.Daylight
The average length of the day in May in Rockvale is 14h and 16min.On the first day of May in Rockvale, sunrise is at 6:02 am and sunset at 7:52 pm. On the last day of the month, sunrise is at 5:38 am and sunset at 8:18 pm MDT.
Sunshine
In May, the average sunshine is 11.5h.UV index
In Rockvale, the average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum daily UV index of 5 during May translates into the following directions:
Be vigilant - Suggestions to stave off sun damage are provided. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are May temperatures in Rockvale?
What is the average humidity in May in Rockvale?
How many days does it rain in May in Rockvale?
What is the last month it snows in Rockvale?
How many hours of daylight does Rockvale have in May?
What time are sunrise and sunset in May in Rockvale?
How many hours of sunshine does Rockvale have in May?
What is the UV index intensity in May in Rockvale?
Average temperature in May
Rockvale, CO
- Average high temperature in May: 70.3°F
The warmest month (with the highest average high temperature) is July (86.2°F).
The month with the lowest average high temperature is December (41.5°F).
- Average low temperature in May: 46.6°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is December (23°F).
Average pressure in May
Rockvale, CO
- Average pressure in May: 29.91"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is April (29.89"Hg).
Average wind speed in May
Rockvale, CO
- Average wind speed in May: 7.8mph
The windiest month (with the highest average wind speed) is April (8.3mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).
Average humidity in May
Rockvale, CO
- Average humidity in May: 45%
The month with the highest relative humidity is February (62%).
The month with the lowest relative humidity is June (38%).
Average rainfall in May
Rockvale, CO
- Average rainfall in May: 1.81"
The wettest month (with the highest rainfall) is July (2.76").
The driest month (with the least rainfall) is November (0.43").
Average rainfall days in May
Rockvale, CO
- Average rainfall days in May: 14 days
The month with the highest number of rainy days is July (20.4 days).
The month with the least rainy days is November (3.9 days).
Average snowfall in May
Rockvale, CO
- Average snowfall in May: 0.24"
The month with the highest snowfall is February (6.06").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Rockvale, CO
- Average snowfall days in May: 0.6 days
The month with the highest number of snowfall days is February (7.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Rockvale, 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 0min).
The month with the least sunshine is February (Average sunshine: 6h and 48min).
Average sunshine days in May
Rockvale, CO
- Average sunshine days in May: 13.2 days
The month with the most sunshine days is November (23.8 days).
The month with the least sunshine days is July (5.1 days).
Average UV index in May
Rockvale, 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
Rockvale, CO
- Average cloud cover in May: 21
The months with the most cloud cover are February and April (Cloud cover 23).
The months with the least cloud cover are June and September (Cloud cover 14).
Average visibility in May
Rockvale, 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).
Rockvale, Colorado, USA
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