May weather forecastFestus, WV
May
Weather in May
May, the last month of the spring in Festus, is a pleasant month, with an average temperature varying between 51.6°F (10.9°C) and 72.5°F (22.5°C).Temperature
Observing a rise in May, the average high-temperature goes from April's comfortable 61.7°F (16.5°C) to a pleasant 72.5°F (22.5°C). During May, Festus's temperature falls to a steady low-temperature average of 51.6°F (10.9°C).Humidity
In May, the average relative humidity in Festus is 79%.Rainfall
The month with the most rainfall in Festus is May, when the rain falls for 21.3 days and typically aggregates up to 4.53" (115mm) 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, Festus aggregates 0.24" (6mm) of snow. Throughout the year, there are 52.1 snowfall days, and 24.21" (615mm) of snow is accumulated.Daylight
The average length of the day in May is 14h and 22min.On the first day of May, sunrise is at 6:21 am and sunset at 8:15 pm. On the last day of the month, sunrise is at 5:55 am and sunset at 8:41 pm EDT.
Sunshine
The average sunshine in May is 8.5h.UV index
May and July, with an average maximum UV index of 6, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: In May, a daily UV index of 6 turns into the following recommendations:
Persist with safeguards and heed sun safety doctrines. Keeping sunburn at bay is of prime importance. The hours from 10 a.m. to 4 p.m. have the most intense UV radiation. As much as possible, limit direct sun exposure during this period. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Festus, WV
- Average high temperature in May: 72.5°F
The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (35.8°F).
- Average low temperature in May: 51.6°F
The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).
Average pressure in May
Festus, WV
- Average pressure in May: 30"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in May
Festus, WV
- Average wind speed in May: 5.5mph
The windiest months (with the highest average wind speed) are January and February (7mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in May
Festus, WV
- Average humidity in May: 79%
The months with the highest relative humidity are January and February (84%).
The month with the lowest relative humidity is August (77%).
Average rainfall in May
Festus, WV
- Average rainfall in May: 4.53"
The wettest month (with the highest rainfall) is May (4.53").
The driest month (with the least rainfall) is November (2.24").
Average rainfall days in May
Festus, WV
- Average rainfall days in May: 21.3 days
The month with the highest number of rainy days is May (21.3 days).
The month with the least rainy days is January (10.8 days).
Average snowfall in May
Festus, WV
- Average snowfall in May: 0.24"
The month with the highest snowfall is February (6.18").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Festus, WV
- Average snowfall days in May: 0.2 days
The month with the highest number of snowfall days is January (15 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Festus, WV
- Average daylight in May: 14h and 24min
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 24min).
- Average sunshine in May: 8h and 30min
The month with the most sunshine is August (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).
Average sunshine days in May
Festus, WV
- Average sunshine days in May: 7.8 days
The month with the most sunshine days is November (15.4 days).
The month with the least sunshine days is May (7.8 days).
Average UV index in May
Festus, WV
- Average UV index in May: 6
The months with the highest UV index are May and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in May
Festus, WV
- Average cloud cover in May: 48
The month with the most cloud cover is January (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 37).
Average visibility in May
Festus, WV
- Average visibility in May: 5mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January and February (4mi).





