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
Isabella sees an increase in average high-temperatures during May, moving from an agreeable 69.4°F (20.8°C) in April to a warm 78.8°F (26°C). An average low-temperature of 59.7°F (15.4°C) is anticipated throughout the nights during May.Humidity
The most humid month is May, with an average relative humidity of 66%.Rainfall
The month with the most rainfall is May, when the rain falls for 12.7 days and typically aggregates up to 3.03" (77mm) of precipitation.Snowfall
January through May, November and December are months with snowfall. May is the last month it regularly snows. During 0.1 snowfall days, in May, Isabella aggregates 0.04" (1mm) of snow. Throughout the year, in Isabella, there are 6.9 snowfall days, and 3.31" (84mm) of snow is accumulated.Daylight
In Isabella, the average length of the day in May is 14h and 7min.On the first day of the month, sunrise is at 6:39 am and sunset at 8:21 pm. On the last day of May, sunrise is at 6:17 am and sunset at 8:45 pm CDT.
Sunshine
The average sunshine in May is 9.8h.UV index
In May, the average daily maximum UV index is 6. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for average individuals.Note: The maximum daily UV index of 6 in May interprets into the following recommendations:
Conform to measures and uphold sun safety traditions. Warding off skin and eye harm is necessary. Between 10 a.m. and 4 p.m., the Sun emits the most powerful UV radiation. Limit direct exposure to the Sun during these hours. To cut down UV radiation exposure by about half, sport a wide-brim hat. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in May in Isabella?
What is the most humid month in Isabella?
What is the average humidity in May?
What is the rainiest month?
How many days does it rain in May?
What is the last month it snows in Isabella?
How many hours of daylight does Isabella have in May?
When 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
Isabella, OK
- Average high temperature in May: 78.8°F
The warmest month (with the highest average high temperature) is July (95°F).
The month with the lowest average high temperature is January (47.3°F).
- Average low temperature in May: 59.7°F
The month with the highest average low temperature is July (75°F).
The coldest month (with the lowest average low temperature) is January (30.6°F).
Average pressure in May
Isabella, OK
- Average pressure in May: 29.89"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed in May
Isabella, OK
- Average wind speed in May: 11.1mph
The windiest month (with the highest average wind speed) is April (12.4mph).
The calmest month (with the lowest average wind speed) is August (9mph).
Average humidity in May
Isabella, OK
- Average humidity in May: 66%
The month with the highest relative humidity is May (66%).
The months with the lowest relative humidity are July and August (54%).
Average rainfall in May
Isabella, OK
- Average rainfall in May: 3.03"
The wettest month (with the highest rainfall) is May (3.03").
The driest month (with the least rainfall) is November (0.51").
Average rainfall days in May
Isabella, OK
- Average rainfall days in May: 12.7 days
The month with the highest number of rainy days is May (12.7 days).
The month with the least rainy days is January (3.3 days).
Average snowfall in May
Isabella, OK
- Average snowfall in May: 0.04"
The months with the highest snowfall are January and February (1.06").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in May
Isabella, OK
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is February (2.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Isabella, OK
- Average daylight in May: 14h and 1min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in May: 9h and 5min
The month with the most sunshine is July (Average sunshine: 11h and 18min).
The month with the least sunshine is December (Average sunshine: 6h and 18min).
Average sunshine days in May
Isabella, OK
- Average sunshine days in May: 16.3 days
The month with the most sunshine days is January (26.2 days).
The month with the least sunshine days is September (15.5 days).
Average UV index in May
Isabella, OK
- Average UV index in May: 6
The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in May
Isabella, OK
- Average cloud cover in May: 30
The months with the most cloud cover are March and April (Cloud cover 33).
The months with the least cloud cover are June and August (Cloud cover 18).
Average visibility in May
Isabella, OK
- 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).
Isabella, Oklahoma, USA
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