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
The shift into May is characterized by a rise in the average high-temperature, transitioning from April's comfortable 61°F (16.1°C) to a pleasant 71.1°F (21.7°C). During May, Council Bluffs records a consistent average nighttime temperature of 53.6°F (12°C).Humidity
The average relative humidity in May is 72%.Rainfall
In Council Bluffs, during May, the rain falls for 16.3 days and regularly aggregates up to 3.46" (88mm) of precipitation. In Council Bluffs, during the entire year, the rain falls for 122.5 days and collects up to 22.52" (572mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Council Bluffs. May is the last month it regularly snows. During 0.2 snowfall days, in May, Council Bluffs aggregates 0.12" (3mm) of snow. Throughout the year, in Council Bluffs, Iowa, there are 31.6 snowfall days, and 9.65" (245mm) of snow is accumulated.Daylight
In May, the average length of the day is 14h and 31min.On the first day of May, sunrise is at 6:19 am and sunset at 8:21 pm. On the last day of the month, sunrise is at 5:52 am and sunset at 8:49 pm CDT.
Sunshine
The average sunshine in May is 9h.UV index
In May, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum daily UV index of 5 in May interprets into the following recommendations:
Undertake protective steps - Recommendations to avoid sunburn are issued. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are May temperatures?
What is the average humidity in May in Council Bluffs?
How many days does it rain in May?
What is the last month it snows?
What is the average length of the day in May?
When is the sunrise / sunset in May?
How many hours of sunshine does Council Bluffs have in May?
What is the UV index intensity in May?
Average temperature in May
Council Bluffs, IA
- Average high temperature in May: 71.1°F
The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is January (30°F).
- Average low temperature in May: 53.6°F
The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (16.3°F).
Average pressure in May
Council Bluffs, IA
- Average pressure in May: 29.92"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed in May
Council Bluffs, IA
- Average wind speed in May: 8.9mph
The windiest month (with the highest average wind speed) is April (10.5mph).
The calmest month (with the lowest average wind speed) is July (7mph).
Average humidity in May
Council Bluffs, IA
- Average humidity in May: 72%
The month with the highest relative humidity is January (80%).
The month with the lowest relative humidity is October (66%).
Average rainfall in May
Council Bluffs, IA
- Average rainfall in May: 3.46"
The wettest month (with the highest rainfall) is June (3.86").
The driest month (with the least rainfall) is January (0.59").
Average rainfall days in May
Council Bluffs, IA
- Average rainfall days in May: 16.3 days
The month with the highest number of rainy days is May (16.3 days).
The month with the least rainy days is February (3 days).
Average snowfall in May
Council Bluffs, IA
- Average snowfall in May: 0.12"
The month with the highest snowfall is February (2.56").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Council Bluffs, 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
Council Bluffs, 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: 9h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).
Average sunshine days in May
Council Bluffs, IA
- Average sunshine days in May: 12.4 days
The month with the most sunshine days is November (21.1 days).
The month with the least sunshine days is June (10.9 days).
Average UV index in May
Council Bluffs, IA
- 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, October, November and December (UV index 2).
Average cloud cover in May
Council Bluffs, IA
- Average cloud cover in May: 39
The month with the most cloud cover is January (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 26).
Average visibility in May
Council Bluffs, IA
- 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).
Council Bluffs, Iowa, USA
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