May weather forecastColumbia, MO
May
Weather in May
Columbia's weather takes another turn as spring advances towards summer in May. The city's temperatures begin to escalate, signaling the approaching heat of the summer months. Amid an increase in humidity and longer daylight hours, the city thrives with activities. Cycling trails and baseball games become increasingly popular, while local festivals celebrate the city's culture and community. May paints Columbia in a vibrant palette of summer-ready hues.Temperature
The onset of May brings a rise in the average high-temperature, elevating from a comfortable 64.9°F (18.3°C) in April to a moderately hot 74.8°F (23.8°C). The average nighttime temperature lowers to a moderate 56.1°F (13.4°C) throughout May.Humidity
The most humid month is May, with an average relative humidity of 78%.Rainfall
The month with the most rainfall in Columbia is May, when the rain falls for 11.3 days and typically aggregates up to 1.3" (33mm) of precipitation.Snowfall
In Columbia, snow does not fall in April through September.Daylight
In Columbia, Missouri, the average length of the day in May is 14h and 19min.On the first day of May, sunrise is at 6:10 am and sunset at 8:02 pm. On the last day of the month, sunrise is at 5:45 am and sunset at 8:28 pm CDT.
Sunshine
In Columbia, the average sunshine in May is 8.9h.UV index
In Columbia, the average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.Note: In May, the average maximum UV index of 5 translates into the following recommendations:
Guard yourself - Avoiding sunburn is suggested. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Columbia, MO
- Average high temperature in May: 74.8°F
The warmest month (with the highest average high temperature) is July (87.6°F).
The month with the lowest average high temperature is January (36.9°F).
- Average low temperature in May: 56.1°F
The month with the highest average low temperature is July (68°F).
The coldest month (with the lowest average low temperature) is January (23°F).
Average pressure in May
Columbia, MO
- Average pressure in May: 29.94"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in May
Columbia, MO
- Average wind speed in May: 7.6mph
The windiest months (with the highest average wind speed) are January and March (9.4mph).
The calmest month (with the lowest average wind speed) is July (6.1mph).
Average humidity in May
Columbia, 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 (71%).
Average rainfall in May
Columbia, MO
- Average rainfall in May: 1.3"
The wettest month (with the highest rainfall) is May (1.3").
The driest months (with the least rainfall) are January and February (0.43").
Average rainfall days in May
Columbia, MO
- Average rainfall days in May: 11.3 days
The months with the highest number of rainy days are April and May (11.3 days).
The month with the least rainy days is January (3.8 days).
Average snowfall in May
Columbia, MO
- Average snowfall in May: 0"
The month with the highest snowfall is January (0.67").
The months with the least snowfall are April, May, June, July, August and September (0").
Average snowfall days in May
Columbia, MO
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (5.3 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
Columbia, MO
- Average daylight in May: 14h and 18min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in May: 8h and 54min
The months with the most sunshine are June and July (Average sunshine: 10h and 24min).
The months with the least sunshine are January and February (Average sunshine: 4h and 42min).
Average sunshine days in May
Columbia, MO
- Average sunshine days in May: 15.6 days
The month with the most sunshine days is December (23.7 days).
The month with the least sunshine days is May (15.6 days).
Average UV index in May
Columbia, MO
- 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
Columbia, MO
- Average cloud cover in May: 39
The months with the most cloud cover are January, February and March (Cloud cover 49).
The months with the least cloud cover are June, July and August (Cloud cover 29).
Average visibility in May
Columbia, 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).
