May weather forecastUnion City, OK
May
Weather in May
The last month of the spring, May, is a moderately hot month in Union City, Oklahoma, with an average temperature ranging between max 78.4°F (25.8°C) and min 59.7°F (15.4°C).Temperature
In Union City, stepping into May brings a gentle temperature nudge, moving slightly up from April's agreeable 70.9°F (21.6°C) to a moderately hot 78.4°F (25.8°C). Throughout May, Union City's nights cool down to an average of 59.7°F (15.4°C).Humidity
The most humid month is May, with an average relative humidity of 71%.Rainfall
The month with the most rainfall is May, when the rain falls for 14.5 days and typically aggregates up to 3.7" (94mm) of precipitation.Snowfall
May through October are months without snowfall.Daylight
The average length of the day in May is 14h and 2min.On the first day of May, sunrise is at 6:39 am and sunset at 8:18 pm. On the last day of the month, sunrise is at 6:17 am and sunset at 8:41 pm CDT.
Sunshine
The average sunshine in May is 9.4h.UV index
In Union City, the average daily maximum UV index in May is 6. A UV Index estimate of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for the ordinary person.Note: An average maximum UV index of 6 in May leads to these recommendations:
Deter overexposure. Protecting against the sun's effects is essential. From 10 a.m. to 4 p.m., when UV radiation is at its strongest, limit direct exposure to the Sun and note that shade structures may not provide full sun protection. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Union City, OK
- Average high temperature in May: 78.4°F
The warmest month (with the highest average high temperature) is July (94.3°F).
The months with the lowest average high temperature are January and December (49.1°F).
- Average low temperature in May: 59.7°F
The month with the highest average low temperature is July (73.6°F).
The coldest month (with the lowest average low temperature) is January (31.6°F).
Average pressure in May
Union City, OK
- Average pressure in May: 29.9"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in May
Union City, OK
- 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 (8.6mph).
Average humidity in May
Union City, OK
- Average humidity in May: 71%
The month with the highest relative humidity is May (71%).
The month with the lowest relative humidity is August (57%).
Average rainfall in May
Union City, OK
- Average rainfall in May: 3.7"
The wettest month (with the highest rainfall) is May (3.7").
The driest month (with the least rainfall) is December (0.83").
Average rainfall days in May
Union City, OK
- Average rainfall days in May: 14.5 days
The month with the highest number of rainy days is May (14.5 days).
The month with the least rainy days is January (3.7 days).
Average snowfall in May
Union City, OK
- Average snowfall in May: 0"
The month with the highest snowfall is January (0.91").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in May
Union City, 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 and September (0 days).
Average daylight in May /
Average sunshine in May
Union City, 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 24min
The month with the most sunshine is July (Average sunshine: 11h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 12min).
Average sunshine days in May
Union City, OK
- Average sunshine days in May: 14.4 days
The month with the most sunshine days is January (25.1 days).
The month with the least sunshine days is May (14.4 days).
Average UV index in May
Union City, 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
Union City, OK
- Average cloud cover in May: 32
The month with the most cloud cover is March (Cloud cover 36).
The month with the least cloud cover is August (Cloud cover 18).
Average visibility in May
Union City, 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).





