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
With the onset of May, Marthasville experiences a temperature shift, with the average high-temperature moving from a refreshing 66.2°F (19°C) in April to a moderately hot 75.7°F (24.3°C). In Marthasville, the average temperature during the nights of May drops to a moderate 56.3°F (13.5°C).Humidity
The most humid month is May, with an average relative humidity of 78%.Rainfall
The months with the most rainfall are April and May, with an average 3.23" (82mm) of precipitation.Snowfall
April through August and October are months without snowfall in Marthasville.Daylight
In Marthasville, the average length of the day in May is 14h and 17min.On the first day of May in Marthasville, sunrise is at 6:05 am and sunset at 7:56 pm. On the last day of the month, sunrise is at 5:41 am and sunset at 8:22 pm CDT.
Sunshine
In May, the average sunshine is 9.2h.UV index
In May, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.Note: In May, a daily UV index of 5 turns into the following recommendations:
Make use of precautions - Suggestions to resist sunburn are communicated. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are May temperatures?
What is the most humid month in Marthasville?
What is the average humidity in May in Marthasville?
What is the wettest month?
How much does it rain in May?
When it does not snow in Marthasville?
What is the average length of the day in May?
What time are sunrise and sunset in May?
How long on average sun shines in May?
What is the UV index intensity in May?
Average temperature in May
Marthasville, MO
- Average high temperature in May: 75.7°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 (38.1°F).
- Average low temperature in May: 56.3°F
The month with the highest average low temperature is July (68.2°F).
The coldest month (with the lowest average low temperature) is January (24.1°F).
Average pressure in May
Marthasville, 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
Marthasville, MO
- Average wind speed in May: 6.7mph
The windiest month (with the highest average wind speed) is January (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in May
Marthasville, 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
Marthasville, MO
- Average rainfall in May: 3.23"
The wettest months (with the highest rainfall) are April and May (3.23").
The driest month (with the least rainfall) is February (1.42").
Average rainfall days in May
Marthasville, MO
- Average rainfall days in May: 16.3 days
The month with the highest number of rainy days is May (16.3 days).
The month with the least rainy days is January (6.2 days).
Average snowfall in May
Marthasville, MO
- Average snowfall in May: 0"
The month with the highest snowfall is February (2.09").
The months with the least snowfall are April, May, June, July, August and October (0").
Average snowfall days in May
Marthasville, MO
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (5.1 days).
The months with the least snowfall days are May, June, July and August (0 days).
Average daylight in May /
Average sunshine in May
Marthasville, 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 1min
The months with the most sunshine are June and July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).
Average sunshine days in May
Marthasville, MO
- Average sunshine days in May: 12.8 days
The month with the most sunshine days is December (20.6 days).
The month with the least sunshine days is May (12.8 days).
Average UV index in May
Marthasville, 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
Marthasville, MO
- Average cloud cover in May: 39
The months with the most cloud cover are January and February (Cloud cover 50).
The months with the least cloud cover are June, July and August (Cloud cover 30).
Average visibility in May
Marthasville, MO
- Average visibility in May: 5mi
The months with the highest visibility are January, February, March, April, June, July, September, October, November and December (6mi).
The months with the lowest visibility are May and August (5mi).
Marthasville, Missouri, USA
Weather forecast for your location
2. Allow the app to use your location