May weather forecastPortis, KS
May
Weather in May
The last month of the spring, May, is a warm month in Portis, Kansas, with an average temperature varying between 54.3°F (12.4°C) and 74.3°F (23.5°C).Temperature
The commencement of May sees a minor shift in the average high-temperature, moving from a refreshing 65.5°F (18.6°C) in April to a moderately hot 74.3°F (23.5°C). Portis, in May, experiences an average temperature of 54.3°F (12.4°C) at night.Humidity
In Portis, the average relative humidity in May is 67%.Rainfall
May is the month with the most rainfall. Rain falls for 14.4 days and accumulates 3.74" (95mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows. During 0.2 snowfall days, in May, Portis aggregates 0.08" (2mm) of snow. Throughout the year, there are 22.6 snowfall days, and 8.5" (216mm) 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 6:34 am and sunset at 8:29 pm. On the last day of the month, sunrise is at 6:09 am and sunset at 8:55 pm CDT.
Sunshine
In May, the average sunshine is 9.5h.UV index
The average daily maximum UV index in May in Portis is 6. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: A daily high UV index of 6 in May leads to these guidelines:
Persist with safeguards and heed sun safety doctrines. Keeping sunburn at bay is of prime importance. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. To cut down UV radiation exposure by about half, sport a wide-brim hat. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Portis, KS
- Average high temperature in May: 74.3°F
The warmest month (with the highest average high temperature) is July (92.5°F).
The month with the lowest average high temperature is January (39.9°F).
- Average low temperature in May: 54.3°F
The month with the highest average low temperature is July (70.5°F).
The coldest month (with the lowest average low temperature) is January (23.9°F).
Average pressure in May
Portis, KS
- Average pressure in May: 29.9"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in May
Portis, KS
- Average wind speed in May: 10.3mph
The windiest month (with the highest average wind speed) is April (11.7mph).
The calmest month (with the lowest average wind speed) is August (8.9mph).
Average humidity in May
Portis, KS
- Average humidity in May: 67%
The months with the highest relative humidity are January and December (69%).
The month with the lowest relative humidity is July (57%).
Average rainfall in May
Portis, KS
- Average rainfall in May: 3.74"
The wettest month (with the highest rainfall) is May (3.74").
The driest month (with the least rainfall) is January (0.59").
Average rainfall days in May
Portis, KS
- Average rainfall days in May: 14.4 days
The month with the highest number of rainy days is May (14.4 days).
The month with the least rainy days is January (3.8 days).
Average snowfall in May
Portis, KS
- Average snowfall in May: 0.08"
The month with the highest snowfall is February (2.2").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Portis, KS
- Average snowfall days in May: 0.2 days
The month with the highest number of snowfall days is February (6.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Portis, KS
- 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: 9h and 30min
The month with the most sunshine is June (Average sunshine: 11h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 0min).
Average sunshine days in May
Portis, KS
- Average sunshine days in May: 13.5 days
The month with the most sunshine days is November (23.5 days).
The month with the least sunshine days is May (13.5 days).
Average UV index in May
Portis, KS
- Average UV index in May: 6
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in May
Portis, KS
- Average cloud cover in May: 34
The month with the most cloud cover is March (Cloud cover 36).
The month with the least cloud cover is June (Cloud cover 21).
Average visibility in May
Portis, KS
- 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).
