May weather forecastHollis, OK
May
Weather in May
May, the last month of the spring in Hollis, is another warm month, with temperature in the range of an average high of 83.1°F (28.4°C) and an average low of 61.3°F (16.3°C).Temperature
As Hollis transitions into May, the average high-temperature is observed to slightly rise from a warm 75.2°F (24°C) in April to a still moderately hot 83.1°F (28.4°C). A striking departure from daytime highs to an average low-temperature of 61.3°F (16.3°C) is witnessed during May.Heat index
The heat index for May is estimated at 84.2°F (29°C). If one sustains activity during exposure, it could lead to a sense of fatigue, with a chance of heat cramps.Heat index determinations are made taking into account the shade and light air movements. The heat index could see an increase by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'feels like' or 'real feel', offers an insight into how hot it feels when we factor in moisture content. The impact of temperature is individual, as people's perception of weather may change based on their body mass, height, and physical activity. With the sun shining directly, it's crucial to understand that it can increase the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Younglings are generally more in peril than adults due to their reduced perspiration. Coupled with a larger skin surface relative to their tiny bodies and greater heat production because of their activity, they become more at risk.
Humidity
In May, the average relative humidity is 55%.Rainfall
The month with the most rainfall is May, when the rain falls for 11.6 days and typically aggregates up to 3.07" (78mm) of precipitation.Snowfall
In Hollis, Oklahoma, snow does not fall in May through October.Daylight
The average length of the day in May is 13h and 59min.On the first day of the month, sunrise is at 6:48 am and sunset at 8:24 pm. On the last day of May, sunrise is at 6:27 am and sunset at 8:47 pm CDT.
Sunshine
In Hollis, the average sunshine in May is 10.4h.UV index
In May, the average daily maximum UV index is 7. A UV Index reading of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: An average UV index of 7 in May transforms into this advice:
Resist extreme sun exposure. Guarding against solar damage is essential. The Sun's UV radiation is at its strongest between the hours of 10 a.m. and 4 p.m. Minimize direct exposure to the sun during this period. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Hollis, OK
- Average high temperature in May: 83.1°F
The warmest month (with the highest average high temperature) is July (96.4°F).
The months with the lowest average high temperature are January and December (52.5°F).
- Average low temperature in May: 61.3°F
The month with the highest average low temperature is July (76.1°F).
The coldest month (with the lowest average low temperature) is January (33.8°F).
Average pressure in May
Hollis, OK
- Average pressure in May: 29.88"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed in May
Hollis, OK
- Average wind speed in May: 11.9mph
The windiest month (with the highest average wind speed) is April (13mph).
The calmest month (with the lowest average wind speed) is August (9.6mph).
Average humidity in May
Hollis, OK
- Average humidity in May: 55%
The month with the highest relative humidity is December (57%).
The month with the lowest relative humidity is August (47%).
Average rainfall in May
Hollis, OK
- Average rainfall in May: 3.07"
The wettest month (with the highest rainfall) is May (3.07").
The driest month (with the least rainfall) is February (0.63").
Average rainfall days in May
Hollis, OK
- Average rainfall days in May: 11.6 days
The month with the highest number of rainy days is May (11.6 days).
The month with the least rainy days is January (3.3 days).
Average snowfall in May
Hollis, OK
- Average snowfall in May: 0"
The month with the highest snowfall is January (1.97").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in May
Hollis, OK
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (2.6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Hollis, OK
- Average daylight in May: 14h and 0min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in May: 10h and 24min
The month with the most sunshine is June (Average sunshine: 11h and 30min).
The month with the least sunshine is December (Average sunshine: 6h and 36min).
Average sunshine days in May
Hollis, OK
- Average sunshine days in May: 17.3 days
The month with the most sunshine days is January (26.3 days).
The month with the least sunshine days is September (16 days).
Average UV index in May
Hollis, OK
- Average UV index in May: 7
The month with the highest UV index is June (UV index 8).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in May
Hollis, OK
- Average cloud cover in May: 24
The month with the most cloud cover is April (Cloud cover 27).
The month with the least cloud cover is June (Cloud cover 16).
Average visibility in May
Hollis, 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).





