May weather forecastRombauer, MO
May
Weather in May
The last month of the spring, May, is a warm month in Rombauer, Missouri, with an average temperature fluctuating between 76.8°F (24.9°C) and 59.7°F (15.4°C).Temperature
Rombauer sees an increase in average high-temperatures during May, moving from a refreshing 67.8°F (19.9°C) in April to a warm 76.8°F (24.9°C). Rombauer's average low-temperature in the month of May is recorded at a refreshing 59.7°F (15.4°C).Humidity
March and May, with an average relative humidity of 78%, are the most humid months.Rainfall
May is the month with the most rainfall. Rain falls for 14.3 days and accumulates 2.17" (55mm) of precipitation.Snowfall
April through October are months without snowfall.Daylight
In May, the average length of the day is 14h and 9min.On the first day of the month, sunrise is at 6:06 am and sunset at 7:50 pm. On the last day of May, sunrise is at 5:43 am and sunset at 8:14 pm CDT.
Sunshine
The average sunshine in May is 9.4h.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 threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: A maximum UV index of 6 in May translates into the following recommendations:
Conform to measures and uphold sun safety traditions. Warding off skin and eye harm is necessary. Avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is most intense, and remember that not all shade structures provide full protection. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Rombauer, MO
- Average high temperature in May: 76.8°F
The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is January (42.8°F).
- Average low temperature in May: 59.7°F
The month with the highest average low temperature is July (70.3°F).
The coldest month (with the lowest average low temperature) is January (29.5°F).
Average pressure in May
Rombauer, MO
- Average pressure in May: 29.96"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
Rombauer, MO
- Average wind speed in May: 7.5mph
The windiest month (with the highest average wind speed) is February (9.1mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).
Average humidity in May
Rombauer, MO
- Average humidity in May: 78%
The months with the highest relative humidity are March and May (78%).
The month with the lowest relative humidity is October (69%).
Average rainfall in May
Rombauer, MO
- Average rainfall in May: 2.17"
The wettest month (with the highest rainfall) is May (2.17").
The driest month (with the least rainfall) is December (0.75").
Average rainfall days in May
Rombauer, MO
- Average rainfall days in May: 14.3 days
The months with the highest number of rainy days are May and July (14.3 days).
The month with the least rainy days is January (6 days).
Average snowfall in May
Rombauer, MO
- Average snowfall in May: 0"
The month with the highest snowfall is February (0.39").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in May
Rombauer, MO
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (2.1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
Rombauer, MO
- Average daylight in May: 14h and 12min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in May: 9h and 24min
The month with the most sunshine is June (Average sunshine: 10h and 54min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).
Average sunshine days in May
Rombauer, MO
- Average sunshine days in May: 15.1 days
The month with the most sunshine days is January (22.5 days).
The month with the least sunshine days is July (13.8 days).
Average UV index in May
Rombauer, 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 and December (UV index 2).
Average cloud cover in May
Rombauer, MO
- Average cloud cover in May: 36
The month with the most cloud cover is February (Cloud cover 46).
The month with the least cloud cover is June (Cloud cover 24).
Average visibility in May
Rombauer, 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).





