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 onset of May brings a rise in the average high-temperature, elevating from a refreshing 66.2°F (19°C) in April to a warm 75.9°F (24.4°C). Roby, in May, witnesses an average low-temperature of 55.9°F (13.3°C).Humidity
March and May, with an average relative humidity of 77%, are the most humid months.Rainfall
May is the month with the most rainfall in Roby. Rain falls for 17.6 days and accumulates 4.29" (109mm) of precipitation.Snowfall
January through May, November and December are months with snowfall. May is the last month it regularly snows. During 0.1 snowfall days, in May, Roby aggregates 0.16" (4mm) of snow. In Roby, during the entire year, snow falls for 20.1 days and aggregates up to 9.96" (253mm) of snow.Daylight
The average length of the day in May is 14h and 13min.On the first day of the month, sunrise is at 6:12 am and sunset at 7:58 pm. On the last day of May, sunrise is at 5:49 am and sunset at 8:23 pm CDT.
Sunshine
In May, the average sunshine is 9.2h.UV index
May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV rays for ordinary individuals.Note: The daily high UV index of 6 during May translates into the following recommendations:
Fend off overexposure. Sun protection is vital. Stay in the shade and limit direct sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its strongest. Remember, however, that not all shade structures provide full sun protection. Stay sun-safe with clothing that is both closely woven and worn loosely. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Roby in May?
What are the most humid months?
What is the average humidity in May?
What is the rainiest month?
How much does it rain in May?
What is the last month it snows?
How many hours of daylight does Roby have in May?
What time are sunrise and sunset in May?
How long on average sun shines in May?
What are the months with the highest UV index?
What is the UV index reading in May?
Average temperature in May
Roby, MO
- Average high temperature in May: 75.9°F
The warmest month (with the highest average high temperature) is July (89.2°F).
The month with the lowest average high temperature is January (39.9°F).
- Average low temperature in May: 55.9°F
The month with the highest average low temperature is July (67.8°F).
The coldest month (with the lowest average low temperature) is January (25.2°F).
Average pressure in May
Roby, MO
- Average pressure in May: 29.95"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in May
Roby, MO
- Average wind speed in May: 7mph
The windiest month (with the highest average wind speed) is January (8.7mph).
The calmest month (with the lowest average wind speed) is July (5.4mph).
Average humidity in May
Roby, MO
- Average humidity in May: 77%
The months with the highest relative humidity are March and May (77%).
The months with the lowest relative humidity are August, September and October (73%).
Average rainfall in May
Roby, MO
- Average rainfall in May: 4.29"
The wettest month (with the highest rainfall) is May (4.29").
The driest month (with the least rainfall) is January (1.73").
Average rainfall days in May
Roby, MO
- Average rainfall days in May: 17.6 days
The month with the highest number of rainy days is May (17.6 days).
The month with the least rainy days is January (7 days).
Average snowfall in May
Roby, MO
- Average snowfall in May: 0.16"
The month with the highest snowfall is February (3.43").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in May
Roby, MO
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is February (5.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Roby, MO
- Average daylight in May: 14h and 1min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in May: 9h and 1min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).
Average sunshine days in May
Roby, MO
- Average sunshine days in May: 11.9 days
The month with the most sunshine days is December (19.7 days).
The month with the least sunshine days is July (11.6 days).
Average UV index in May
Roby, MO
- Average UV index in May: 6
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in May
Roby, MO
- Average cloud cover in May: 39
The month with the most cloud cover is March (Cloud cover 49).
The month with the least cloud cover is June (Cloud cover 28).
Average visibility in May
Roby, MO
- Average visibility in May: 5mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).
Roby, Missouri, USA
Weather forecast for your location
2. Allow the app to use your location