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
May's onset in Oskaloosa brings a rise in the average high-temperature, moving from a moderate 59.5°F (15.3°C) in April to a pleasant 70°F (21.1°C). Throughout May, Oskaloosa's nights cool down to an average of 53.1°F (11.7°C).Humidity
In Oskaloosa, the average relative humidity in May is 80%.Rainfall
May is the month with the most rainfall in Oskaloosa. Rain falls for 18.3 days and accumulates 4.37" (111mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows in Oskaloosa. During 0.2 snowfall days, in May, Oskaloosa aggregates 0.12" (3mm) of snow. In Oskaloosa, during the entire year, snow falls for 32.1 days and aggregates up to 15.28" (388mm) of snow.Daylight
In Oskaloosa, the average length of the day in May is 14h and 31min.On the first day of the month, sunrise is at 6:06 am and sunset at 8:08 pm. On the last day of May, sunrise is at 5:39 am and sunset at 8:37 pm CDT.
Sunshine
The average sunshine in May is 8.8h.UV index
The average daily maximum UV index in May in Oskaloosa is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the ordinary person.Note: In May, the average maximum UV index of 5 translates into the following recommendations:
Exercise prevention - Warding off sunburn is urged. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average May temperature in Oskaloosa?
What is the average humidity in May in Oskaloosa?
What is the rainiest month in Oskaloosa?
How much does it rain in Oskaloosa in May?
What is the last month it snows in Oskaloosa?
How many hours of daylight does Oskaloosa have in May?
What time are sunrise and sunset in May in Oskaloosa?
How long on average sun shines in May in Oskaloosa?
How high is the UV index in May in Oskaloosa?
Average temperature in May
Oskaloosa, IA
- Average high temperature in May: 70°F
The warmest month (with the highest average high temperature) is July (82.2°F).
The month with the lowest average high temperature is January (28.6°F).
- Average low temperature in May: 53.1°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (15.3°F).
Average pressure in May
Oskaloosa, IA
- Average pressure in May: 29.93"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in May
Oskaloosa, IA
- Average wind speed in May: 8.9mph
The windiest month (with the highest average wind speed) is January (10.6mph).
The calmest months (with the lowest average wind speed) are July and August (6.9mph).
Average humidity in May
Oskaloosa, IA
- Average humidity in May: 80%
The month with the highest relative humidity is June (83%).
The month with the lowest relative humidity is October (72%).
Average rainfall in May
Oskaloosa, IA
- Average rainfall in May: 4.37"
The wettest month (with the highest rainfall) is May (4.37").
The driest month (with the least rainfall) is January (1.06").
Average rainfall days in May
Oskaloosa, IA
- Average rainfall days in May: 18.3 days
The month with the highest number of rainy days is June (18.6 days).
The month with the least rainy days is February (5.1 days).
Average snowfall in May
Oskaloosa, IA
- Average snowfall in May: 0.12"
The month with the highest snowfall is February (4.92").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Oskaloosa, IA
- Average snowfall days in May: 0.2 days
The month with the highest number of snowfall days is January (8.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Oskaloosa, IA
- Average daylight in May: 14h and 3min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in May: 8h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in May
Oskaloosa, IA
- Average sunshine days in May: 9.8 days
The month with the most sunshine days is November (19.4 days).
The month with the least sunshine days is June (9 days).
Average UV index in May
Oskaloosa, IA
- Average UV index in May: 5
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in May
Oskaloosa, IA
- Average cloud cover in May: 41
The month with the most cloud cover is January (Cloud cover 54).
The months with the least cloud cover are August and September (Cloud cover 29).
Average visibility in May
Oskaloosa, IA
- Average visibility in May: 6mi
The months with the highest visibility are February, March, April, May, June, August, September, October, November and December (6mi).
The months with the lowest visibility are January and July (5mi).
Oskaloosa, Iowa, USA
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