May weather forecastOlean, MO
May
Weather in May
The last month of the spring, May, is a moderately hot month in Olean, Missouri, with an average temperature fluctuating between 75.9°F (24.4°C) and 55.9°F (13.3°C).Temperature
As April transitions into May, a change in temperatures is observed, with average highs moving from a comfortable 66.2°F (19°C) to a moderately hot 75.9°F (24.4°C). The nighttime temperature, during May, averages of 55.9°F (13.3°C).Humidity
The most humid month is May, with an average relative humidity of 77%.Rainfall
May is the month with the most rainfall. Rain falls for 16.3 days and accumulates 3.58" (91mm) of precipitation.Snowfall
Months with snowfall are January through May, November and December. May is the last month it regularly snows. During 0.1 snowfall days, in May, Olean aggregates 0.04" (1mm) of snow. In Olean, during the entire year, snow falls for 23.1 days and aggregates up to 8.03" (204mm) of snow.Daylight
In May, the average length of the day is 14h and 17min.On the first day of May in Olean, Missouri, sunrise is at 6:12 am and sunset at 8:02 pm. On the last day of the month, sunrise is at 5:48 am and sunset at 8:27 pm CDT.
Sunshine
In Olean, the average sunshine in May is 9h.UV index
In May, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.Note: The UV index of 5 during May leads to these advisories:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. To guard against the harmful effects of the Sun, minimize exposure during midday. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Olean, MO
- Average high temperature in May: 75.9°F
The warmest month (with the highest average high temperature) is July (88.9°F).
The month with the lowest average high temperature is January (38.8°F).
- Average low temperature in May: 55.9°F
The month with the highest average low temperature is July (68°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).
Average pressure in May
Olean, MO
- Average pressure in May: 29.95"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in May
Olean, MO
- Average wind speed in May: 7.3mph
The windiest months (with the highest average wind speed) are January and March (8.9mph).
The calmest month (with the lowest average wind speed) is July (5.8mph).
Average humidity in May
Olean, MO
- Average humidity in May: 77%
The month with the highest relative humidity is May (77%).
The months with the lowest relative humidity are August and October (73%).
Average rainfall in May
Olean, MO
- Average rainfall in May: 3.58"
The wettest month (with the highest rainfall) is May (3.58").
The driest month (with the least rainfall) is January (1.18").
Average rainfall days in May
Olean, MO
- Average rainfall days in May: 16.3 days
The month with the highest number of rainy days is May (16.3 days).
The months with the least rainy days are January and December (6.7 days).
Average snowfall in May
Olean, MO
- Average snowfall in May: 0.04"
The month with the highest snowfall is February (2.8").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in May
Olean, MO
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is February (7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Olean, MO
- Average daylight in May: 14h and 18min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in May: 9h and 0min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The months with the least sunshine are January and February (Average sunshine: 4h and 54min).
Average sunshine days in May
Olean, MO
- Average sunshine days in May: 11.8 days
The month with the most sunshine days is December (19.6 days).
The month with the least sunshine days is May (11.8 days).
Average UV index in May
Olean, MO
- Average UV index in May: 5
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in May
Olean, MO
- Average cloud cover in May: 39
The months with the most cloud cover are February and March (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in May
Olean, MO
- 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).
