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
May brings a temperature change, with average high-temperatures moving from April's comfortable 66.2°F (19°C) to a moderately hot 75.7°F (24.3°C). Robertsville records a steady low-temperature average of 56.8°F (13.8°C) during May.Humidity
With an average relative humidity of 78%, May is the most humid month.Rainfall
The month with the most rainfall in Robertsville is May, when the rain falls for 16.8 days and typically aggregates up to 3.5" (89mm) of precipitation.Snowfall
April through October are months without snowfall.Daylight
In May, the average length of the day is 14h and 17min.On the first day of May, sunrise is at 6:05 am and sunset at 7:55 pm. On the last day of the month, sunrise is at 5:41 am and sunset at 8:20 pm CDT.
Sunshine
In May, the average sunshine is 9.3h.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A maximum daily UV index of 6 during May morphs into the following directions:
Endorse precautions and be consistent with sun safety guidelines. Preventing sunburn is paramount. Avoid direct Sun exposure and stay in the shade between 10 a.m. and 4 p.m., a time when UV radiation is most intense, noting that not all shade structures offer full protection. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are May temperatures in Robertsville?
What is the most humid month in Robertsville?
What is the average humidity in May in Robertsville?
What is the rainiest month in Robertsville?
How much does it rain in Robertsville in May?
When it does not snow in Robertsville?
How many hours of daylight does Robertsville have in May?
What time are sunrise and sunset in May in Robertsville?
How long on average sun shines in May in Robertsville?
What is the month with the highest UV index in Robertsville?
How high is the UV index in May in Robertsville?
Average temperature in May
Robertsville, MO
- Average high temperature in May: 75.7°F
The warmest month (with the highest average high temperature) is July (88.2°F).
The month with the lowest average high temperature is January (38.5°F).
- Average low temperature in May: 56.8°F
The month with the highest average low temperature is July (68.4°F).
The coldest month (with the lowest average low temperature) is January (24.4°F).
Average pressure in May
Robertsville, 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 (29.92"Hg).
Average wind speed in May
Robertsville, MO
- Average wind speed in May: 6.7mph
The windiest month (with the highest average wind speed) is January (8.6mph).
The calmest months (with the lowest average wind speed) are July and August (5.3mph).
Average humidity in May
Robertsville, MO
- Average humidity in May: 78%
The month with the highest relative humidity is May (78%).
The month with the lowest relative humidity is October (72%).
Average rainfall in May
Robertsville, MO
- Average rainfall in May: 3.5"
The wettest month (with the highest rainfall) is May (3.5").
The driest month (with the least rainfall) is February (1.42").
Average rainfall days in May
Robertsville, MO
- Average rainfall days in May: 16.8 days
The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is January (6.6 days).
Average snowfall in May
Robertsville, MO
- Average snowfall in May: 0"
The month with the highest snowfall is February (1.46").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in May
Robertsville, MO
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (5.4 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Robertsville, MO
- 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: 9h and 2min
The months with the most sunshine are June and July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).
Average sunshine days in May
Robertsville, MO
- Average sunshine days in May: 12.5 days
The month with the most sunshine days is December (20.7 days).
The month with the least sunshine days is May (12.5 days).
Average UV index in May
Robertsville, 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
Robertsville, MO
- Average cloud cover in May: 38
The month with the most cloud cover is January (Cloud cover 50).
The months with the least cloud cover are June, July and August (Cloud cover 29).
Average visibility in May
Robertsville, MO
- 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).
Robertsville, Missouri, USA
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