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
As May arrives, a slight rise in the average high-temperature is observed, moving from a comfortable 63.9°F (17.7°C) in April to an agreeable 72.5°F (22.5°C). Richmond observes an average nighttime temperature of 55.6°F (13.1°C) during May.Humidity
The months with the highest humidity are May and June, with an average relative humidity of 80%.Rainfall
May is the month with the most rainfall. Rain falls for 17.3 days and accumulates 3.62" (92mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.2 snowfall days, in May, Richmond aggregates 0.2" (5mm) of snow. Throughout the year, there are 18.1 snowfall days, and 9.13" (232mm) of snow is accumulated.Daylight
In Richmond, the average length of the day in May is 14h and 21min.On the first day of May, sunrise is at 6:16 am and sunset at 8:09 pm. On the last day of the month, sunrise is at 5:51 am and sunset at 8:36 pm CDT.
Sunshine
The average sunshine in May is 8.5h.UV index
The average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for average individuals.Note: A maximum high UV index of 5 in May translates into the following recommendations:
Ensure safety - Imperative it is to shield skin and eyes from damage. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Richmond in May?
What are the most humid months?
What is the average humidity in May?
What is the wettest month?
How much does it rain in May?
What is the last month it snows?
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?
How high is the UV index in May?
Average temperature in May
Richmond, MO
- Average high temperature in May: 72.5°F
The warmest month (with the highest average high temperature) is July (85.3°F).
The month with the lowest average high temperature is January (35.6°F).
- Average low temperature in May: 55.6°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 (21.9°F).
Average pressure in May
Richmond, MO
- Average pressure in May: 29.93"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in May
Richmond, MO
- Average wind speed in May: 8mph
The windiest month (with the highest average wind speed) is March (9.8mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).
Average humidity in May
Richmond, MO
- Average humidity in May: 80%
The months with the highest relative humidity are May and June (80%).
The month with the lowest relative humidity is October (71%).
Average rainfall in May
Richmond, MO
- Average rainfall in May: 3.62"
The wettest month (with the highest rainfall) is May (3.62").
The driest month (with the least rainfall) is January (0.94").
Average rainfall days in May
Richmond, MO
- Average rainfall days in May: 17.3 days
The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is January (5.2 days).
Average snowfall in May
Richmond, MO
- Average snowfall in May: 0.2"
The month with the highest snowfall is February (3.23").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Richmond, MO
- Average snowfall days in May: 0.2 days
The month with the highest number of snowfall days is February (4.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Richmond, MO
- Average daylight in May: 14h and 2min
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 3min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).
Average sunshine days in May
Richmond, MO
- Average sunshine days in May: 11.3 days
The month with the most sunshine days is December (21.5 days).
The month with the least sunshine days is May (11.3 days).
Average UV index in May
Richmond, 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
Richmond, MO
- Average cloud cover in May: 40
The month with the most cloud cover is March (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 27).
Average visibility in May
Richmond, 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).
Richmond, Missouri, USA
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