May weather forecast
Council Bluffs, IA

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Weather in May

The pleasant weather in May encourages outdoor activities in Council Bluffs with the city basking under an average high temperature of 71.1°F (21.7°C). The rise in temperature would not be complete without the much-anticipated onset of summer. Rainfall peaks at 3.46" (88mm), enhancing the city's natural greenery and offering refreshing scenery. However, this month also brings more humidity, which can enrich the experience of natural landscapes. The crisp air combined with beautiful landscapes makes Council Bluffs in May an attraction for many outdoor lovers.

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.

Frequently asked questions

What are May temperatures?

During May, Council Bluffs experiences an average high-temperature of 71.1°F (21.7°C) and a low-temperature of 53.6°F (12°C).

What is the average humidity in May in Council Bluffs?

In Council Bluffs, the average relative humidity in May is 72%.

How many days does it rain in May?

In Council Bluffs, during May, the rain falls for 16.3 days and regularly aggregates up to 3.46" (88mm) of precipitation.

What is the last month it snows?

May is the last month it regularly snows. During 0.2 snowfall days, in May, Council Bluffs aggregates 0.12" (3mm) of snow.

What is the average length of the day in May?

In Council Bluffs, the average day length in May is 14h and 31min.

When is the sunrise / sunset in May?

In May, on the first day of the month, 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.

How many hours of sunshine does Council Bluffs have in May?

In Council Bluffs, the average sunshine duration in May is 9h.

What is the UV index intensity in May?

In Council Bluffs, the average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a moderate health threat from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Council Bluffs, IA

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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 / 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 - 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 - 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 - 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 - 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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