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
May
Weather in May
Temperature
The shift into May is characterized by a noticeable escalation in the average high-temperature, rising from April's fresh 51.4°F (10.8°C) to a refreshing 65.8°F (18.8°C). May nights are marked by an average low-temperature of 47.3°F (8.5°C).Humidity
April and May, with an average relative humidity of 70%, are the least humid months.Rainfall
In Rockville, during May, the rain falls for 14.5 days and regularly aggregates up to 2.05" (52mm) of precipitation. In Rockville, during the entire year, the rain falls for 109.6 days and collects up to 17.52" (445mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows. During 0.7 snowfall days, in May, Rockville aggregates 0.47" (12mm) of snow. In Rockville, during the entire year, snow falls for 61 days and aggregates up to 16.81" (427mm) of snow.Daylight
In Rockville, Minnesota, the average length of the day in May is 14h and 55min.On the first day of May, sunrise is at 6:04 am and sunset at 8:24 pm. On the last day of the month, sunrise is at 5:32 am and sunset at 8:58 pm CDT.
Sunshine
In Rockville, the average sunshine in May is 8.3h.UV index
The average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum daily UV index of 5 in May converts into the following recommendations:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. Around midday, solar radiation is most harmful; hence, exposure should be limited. Experience reduced UV exposure by about half when donning a wide-brim hat. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Rockville in May?
What are the least humid months?
What is the average humidity in May?
How many days does it rain in May?
What is the last month it snows in Rockville?
How many hours of daylight does Rockville have in May?
When is the sunrise / sunset in May?
How long on average sun shines in May?
What is the UV index reading in May?
Average temperature in May
Rockville, MN
- Average high temperature in May: 65.8°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (18.7°F).
- Average low temperature in May: 47.3°F
The month with the highest average low temperature is July (61.2°F).
The coldest month (with the lowest average low temperature) is January (5.4°F).
Average pressure in May
Rockville, MN
- Average pressure in May: 29.93"Hg
The months with the highest atmospheric pressure are January and February (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in May
Rockville, MN
- Average wind speed in May: 8.3mph
The windiest month (with the highest average wind speed) is April (9.3mph).
The calmest months (with the lowest average wind speed) are July and August (7.1mph).
Average humidity in May
Rockville, MN
- Average humidity in May: 70%
The month with the highest relative humidity is January (91%).
The months with the lowest relative humidity are April and May (70%).
Average rainfall in May
Rockville, MN
- Average rainfall in May: 2.05"
The wettest month (with the highest rainfall) is June (3.03").
The driest month (with the least rainfall) is January (0.43").
Average rainfall days in May
Rockville, MN
- Average rainfall days in May: 14.5 days
The month with the highest number of rainy days is June (15.3 days).
The month with the least rainy days is January (2.2 days).
Average snowfall in May
Rockville, MN
- Average snowfall in May: 0.47"
The month with the highest snowfall is December (4.13").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Rockville, MN
- Average snowfall days in May: 0.7 days
The month with the highest number of snowfall days is January (14.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Rockville, MN
- Average daylight in May: 14h and 5min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in May: 8h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).
Average sunshine days in May
Rockville, MN
- Average sunshine days in May: 14 days
The month with the most sunshine days is September (19.2 days).
The month with the least sunshine days is June (12.4 days).
Average UV index in May
Rockville, MN
- Average UV index in May: 5
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in May
Rockville, MN
- Average cloud cover in May: 44
The month with the most cloud cover is January (Cloud cover 67).
The months with the least cloud cover are July and August (Cloud cover 32).
Average visibility in May
Rockville, MN
- Average visibility in May: 6mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is January (4mi).