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 Herndon welcomes May, the average high-temperature sees a modest rise, transitioning from an enjoyable 64°F (17.8°C) in April to a pleasant 72.3°F (22.4°C). An average low-temperature of 51.4°F (10.8°C) is recorded during the nights in May.Humidity
In May, the average relative humidity is 61%.Rainfall
May is the month with the most rainfall. Rain falls for 14.7 days and accumulates 2.6" (66mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows. During 0.3 snowfall days, in May, Herndon aggregates 0.2" (5mm) of snow. Throughout the year, there are 24.7 snowfall days, and 10.24" (260mm) of snow is accumulated.Daylight
In May, the average length of the day is 14h and 24min.On the first day of May, sunrise is at 6:42 am and sunset at 8:38 pm. On the last day of the month, sunrise is at 6:16 am and sunset at 9:05 pm CDT.
Sunshine
The average sunshine in May is 9.8h.UV index
In May, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the average person.Note: During May, 5 as the daily maximum UV index converts into the following advice:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in May?
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?
How many hours of daylight does Herndon have in May?
When is the sunrise / sunset in May?
How long on average sun shines in May?
How high is the UV index in May?
Average temperature in May
Herndon, KS
- Average high temperature in May: 72.3°F
The warmest month (with the highest average high temperature) is July (91.9°F).
The month with the lowest average high temperature is December (40.1°F).
- Average low temperature in May: 51.4°F
The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).
Average pressure in May
Herndon, KS
- Average pressure in May: 29.89"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.82"Hg).
Average wind speed in May
Herndon, KS
- Average wind speed in May: 11mph
The windiest month (with the highest average wind speed) is April (12.4mph).
The calmest month (with the lowest average wind speed) is August (9.8mph).
Average humidity in May
Herndon, KS
- Average humidity in May: 61%
The month with the highest relative humidity is January (67%).
The month with the lowest relative humidity is July (52%).
Average rainfall in May
Herndon, KS
- Average rainfall in May: 2.6"
The wettest month (with the highest rainfall) is May (2.6").
The driest month (with the least rainfall) is January (0.43").
Average rainfall days in May
Herndon, KS
- Average rainfall days in May: 14.7 days
The month with the highest number of rainy days is May (14.7 days).
The month with the least rainy days is February (2.6 days).
Average snowfall in May
Herndon, KS
- Average snowfall in May: 0.2"
The month with the highest snowfall is February (2.17").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Herndon, KS
- Average snowfall days in May: 0.3 days
The month with the highest number of snowfall days is February (6.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Herndon, KS
- Average daylight in May: 14h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in May: 9h and 5min
The month with the most sunshine is July (Average sunshine: 11h and 24min).
The months with the least sunshine are January and December (Average sunshine: 6h and 18min).
Average sunshine days in May
Herndon, KS
- Average sunshine days in May: 14 days
The month with the most sunshine days is November (23.9 days).
The month with the least sunshine days is August (12.9 days).
Average UV index in May
Herndon, KS
- Average UV index in May: 5
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
Herndon, KS
- Average cloud cover in May: 32
The month with the most cloud cover is February (Cloud cover 35).
The months with the least cloud cover are June and July (Cloud cover 20).
Average visibility in May
Herndon, 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).
Herndon, Kansas, USA
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