May weather forecastAlva, OK
May
Weather in May
The weather in May in Alva uplifts the spirit significantly. Temperatures continue their upward climb from April, signaling the beginning of a warm summer. Alongside, rainfall occurs more frequently than in the preceding months, nurturing the thriving nature. The highest temperature hits a warm 78.6°F (25.9°C) in May with substantial rainfall at 3.43" (87mm). This increased warmth and precipitation sets the stage for the arrival of the hot summer months and June's higher temperatures.Temperature
The start of May is characterized by an increase in the average high-temperature, transitioning from a pleasant 69.4°F (20.8°C) in April to a moderately hot 78.6°F (25.9°C). Throughout the month of May, the nighttime temperature dips to an average of 58.8°F (14.9°C).Humidity
May is the most humid month, with an average relative humidity of 65%.Rainfall
May is the month with the most rainfall. Rain falls for 12.9 days and accumulates 3.43" (87mm) of precipitation.Snowfall
In Alva, snow does not fall in May through September.Daylight
The average length of the day in May is 14h and 9min.On the first day of the month, sunrise is at 6:39 am and sunset at 8:23 pm. On the last day of May, sunrise is at 6:17 am and sunset at 8:47 pm CDT.
Sunshine
In Alva, the average sunshine in May is 10h.UV index
In May, the average daily maximum UV index is 6. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: In May, the UV index of 6 transforms into the following advice:
Embrace precautions and observe sun safety norms. Evasion of sunburn is a necessity. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Alva, OK
- Average high temperature in May: 78.6°F
The warmest month (with the highest average high temperature) is July (95.4°F).
The month with the lowest average high temperature is January (46.6°F).
- Average low temperature in May: 58.8°F
The month with the highest average low temperature is July (74.8°F).
The coldest month (with the lowest average low temperature) is January (29.8°F).
Average pressure in May
Alva, 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 (29.85"Hg).
Average wind speed in May
Alva, OK
- Average wind speed in May: 10.7mph
The windiest month (with the highest average wind speed) is April (12mph).
The calmest month (with the lowest average wind speed) is August (9mph).
Average humidity in May
Alva, OK
- Average humidity in May: 65%
The month with the highest relative humidity is May (65%).
The month with the lowest relative humidity is July (53%).
Average rainfall in May
Alva, OK
- Average rainfall in May: 3.43"
The wettest month (with the highest rainfall) is May (3.43").
The driest months (with the least rainfall) are January, February, November and December (0.63").
Average rainfall days in May
Alva, OK
- Average rainfall days in May: 12.9 days
The month with the highest number of rainy days is May (12.9 days).
The month with the least rainy days is January (3.7 days).
Average snowfall in May
Alva, OK
- Average snowfall in May: 0"
The month with the highest snowfall is February (1.73").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Alva, OK
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (3.3 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
Alva, OK
- Average daylight in May: 14h and 12min
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: 10h and 0min
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 24min).
Average sunshine days in May
Alva, OK
- Average sunshine days in May: 16.2 days
The month with the most sunshine days is January (25.2 days).
The month with the least sunshine days is September (15.5 days).
Average UV index in May
Alva, OK
- Average UV index in May: 6
The month with the highest UV index is June (UV index 8).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in May
Alva, OK
- Average cloud cover in May: 29
The months with the most cloud cover are March and April (Cloud cover 32).
The month with the least cloud cover is June (Cloud cover 17).
Average visibility in May
Alva, 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).





