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
A minor escalation in the average high-temperature is seen with the onset of May, moving from a pleasant 71.2°F (21.8°C) in April to a warm 79.3°F (26.3°C). Rock Island reports an average nighttime low-temperature of 58.6°F (14.8°C) in May.Humidity
May is the most humid month, with an average relative humidity of 77%.Rainfall
May is the month with the most rainfall. Rain falls for 15.2 days and accumulates 4.49" (114mm) of precipitation.Snowfall
April through October are months without snowfall in Rock Island.Daylight
In Rock Island, Oklahoma, the average length of the day in May is 14h and 2min.On the first day of May in Rock Island, sunrise is at 6:25 am and sunset at 8:04 pm. On the last day of the month, sunrise is at 6:04 am and sunset at 8:26 pm CDT.
Sunshine
The average sunshine in May is 9h.UV index
The average daily maximum UV index in May in Rock Island is 6. A UV Index of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: In May, the maximum UV index of 6 translates into these guidelines:
Inhibit overexposure. Warding off sun damage is of utmost importance. UV radiation from the sun is at its strongest between 10 a.m. and 4 p.m. Try to limit direct exposure during these hours. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
Frequently asked questions
What is the temperature in May in Rock Island?
What is the most humid month in Rock Island?
What is the average humidity in May in Rock Island?
What is the rainiest month in Rock Island?
How many days does it rain in May in Rock Island?
When it does not snow in Rock Island?
What is the average length of the day in May in Rock Island?
When is the sunrise / sunset in May in Rock Island?
How many hours of sunshine does Rock Island have in May?
What is the UV index intensity in May in Rock Island?
Average temperature in May
Rock Island, OK
- Average high temperature in May: 79.3°F
The warmest month (with the highest average high temperature) is July (93.4°F).
The month with the lowest average high temperature is January (48°F).
- Average low temperature in May: 58.6°F
The month with the highest average low temperature is July (70.7°F).
The coldest month (with the lowest average low temperature) is January (31.6°F).
Average pressure in May
Rock Island, OK
- Average pressure in May: 29.95"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in May
Rock Island, OK
- Average wind speed in May: 6.6mph
The windiest month (with the highest average wind speed) is April (7.8mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in May
Rock Island, OK
- Average humidity in May: 77%
The month with the highest relative humidity is May (77%).
The month with the lowest relative humidity is August (69%).
Average rainfall in May
Rock Island, OK
- Average rainfall in May: 4.49"
The wettest month (with the highest rainfall) is May (4.49").
The driest month (with the least rainfall) is January (2.05").
Average rainfall days in May
Rock Island, OK
- Average rainfall days in May: 15.2 days
The month with the highest number of rainy days is March (15.4 days).
The month with the least rainy days is November (8.8 days).
Average snowfall in May
Rock Island, OK
- Average snowfall in May: 0"
The month with the highest snowfall is February (1.06").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in May
Rock Island, OK
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (1.9 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
Rock Island, OK
- Average daylight in May: 14h and 0min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in May: 9h and 0min
The months with the most sunshine are July and August (Average sunshine: 10h and 48min).
The months with the least sunshine are January and December (Average sunshine: 5h and 30min).
Average sunshine days in May
Rock Island, OK
- Average sunshine days in May: 13.9 days
The months with the most sunshine days are November and December (19.3 days).
The month with the least sunshine days is July (13.3 days).
Average UV index in May
Rock Island, OK
- Average UV index in May: 6
The months with the highest UV index are June and July (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in May
Rock Island, OK
- Average cloud cover in May: 37
The month with the most cloud cover is February (Cloud cover 45).
The month with the least cloud cover is August (Cloud cover 24).
Average visibility in May
Rock Island, 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).
Rock Island, Oklahoma, USA
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