May weather forecast
Brooklyn, IA

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Weather in May

The last month of the spring, May, is a pleasant month in Brooklyn, Iowa, with an average temperature ranging between max 69.1°F (20.6°C) and min 52.2°F (11.2°C).

Temperature

May brings a rise in Brooklyn's average high-temperature, moving from a moderate 58.3°F (14.6°C) in April to a pleasant 69.1°F (20.6°C). During the month of May, Brooklyn anticipates a mean low-temperature of 52.2°F (11.2°C).

Humidity

In Brooklyn, the average relative humidity in May is 79%.

Rainfall

The month with the most rainfall in Brooklyn, Iowa, is May, when the rain falls for 17.3 days and typically aggregates up to 4.21" (107mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. May is the last month it regularly snows. During 0.2 snowfall days, in May, Brooklyn aggregates 0.12" (3mm) of snow. In Brooklyn, Iowa, during the entire year, snow falls for 35.5 days and aggregates up to 13.98" (355mm) of snow.

Daylight

In May, the average length of the day in Brooklyn is 14h and 34min.
On the first day of May, sunrise is at 6:05 am and sunset at 8:08 pm. On the last day of the month, sunrise is at 5:37 am and sunset at 8:37 pm CDT.

Sunshine

In Brooklyn, the average sunshine in May is 8.5h.

UV index

In May, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: In May, the UV index of 5 transforms into the following advice:
Undertake protective steps - Recommendations to avoid sunburn are issued. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
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Frequently asked questions

What are May temperatures in Brooklyn?

In Brooklyn, 69.1°F (20.6°C) is the average high-temperature and 52.2°F (11.2°C) is the average low-temperature during May.

What is the average humidity in May in Brooklyn?

In Brooklyn, Iowa, the average relative humidity in May is 79%.

What is the wettest month in Brooklyn?

May is the month with the most rainfall in Brooklyn. Rain falls for 17.3 days and accumulates 4.21" (107mm) of precipitation.

How many days does it rain in May in Brooklyn?

In Brooklyn, Iowa, in May, it is raining for 17.3 days, with typically 4.21" (107mm) of accumulated precipitation.

What is the last month it snows in Brooklyn?

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

How many hours of daylight does Brooklyn have in May?

The average day length in May in Brooklyn, Iowa, is 14h and 34min.

When is the sunrise / sunset in May in Brooklyn?

On the first day of May in Brooklyn, Iowa, sunrise is at 6:05 am and sunset at 8:08 pm. On the last day of the month, sunrise is at 5:37 am and sunset at 8:37 pm CDT.

How many hours of sunshine does Brooklyn have in May?

In May, the average sunshine duration is 8.5h.

What is the UV index intensity in May in Brooklyn?

The average daily maximum UV index in May in Brooklyn is 5. A UV Index estimate of 3 to 5 represents a moderate health threat from exposure to Sun's UV rays.
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
Brooklyn, IA

Average temperature in May - Brooklyn, IA
  • Average high temperature in May: 69.1°F

The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (27°F).

  • Average low temperature in May: 52.2°F

The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (13.6°F).

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Average pressure in May
Brooklyn, IA

Average pressure in May - Brooklyn, IA
  • Average pressure in May: 29.94"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).

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Average wind speed in May
Brooklyn, IA

Average wind speed in May - Brooklyn, IA
  • Average wind speed in May: 9.1mph

The windiest months (with the highest average wind speed) are January and April (10.7mph).
The calmest month (with the lowest average wind speed) is August (7mph).

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Average humidity in May
Brooklyn, IA

Average humidity in May - Brooklyn, IA
  • Average humidity in May: 79%

The months with the highest relative humidity are January, February and July (84%).
The month with the lowest relative humidity is October (72%).

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Average rainfall in May
Brooklyn, IA

Average rainfall in May - Brooklyn, IA
  • Average rainfall in May: 4.21"

The wettest month (with the highest rainfall) is May (4.21").
The driest month (with the least rainfall) is January (1.02").

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Average rainfall days in May
Brooklyn, IA

Average rainfall days in May - Brooklyn, IA
  • Average rainfall days in May: 17.3 days

The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is February (4.6 days).

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Average snowfall in May
Brooklyn, IA

Average snowfall in May - Brooklyn, IA
  • Average snowfall in May: 0.12"

The month with the highest snowfall is January (4.49").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in May
Brooklyn, IA

Average snowfall days in May - Brooklyn, IA
  • Average snowfall days in May: 0.2 days

The month with the highest number of snowfall days is January (9.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in May /
Average sunshine in May
Brooklyn, IA

Average daylight in May / Average sunshine in May - Brooklyn, IA
  • Average daylight in May: 14h and 4min

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in May: 8h and 3min

The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).

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Average sunshine days in May
Brooklyn, IA

Average sunshine days in May - Brooklyn, IA
  • Average sunshine days in May: 11.9 days

The month with the most sunshine days is December (18.5 days).
The month with the least sunshine days is June (10.8 days).

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Average UV index in May
Brooklyn, IA

Average UV index in May - Brooklyn, 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).

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Average cloud cover in May
Brooklyn, IA

Average cloud cover in May - Brooklyn, IA
  • Average cloud cover in May: 43

The month with the most cloud cover is January (Cloud cover 56).
The months with the least cloud cover are August and September (Cloud cover 30).

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Average visibility in May
Brooklyn, IA

Average visibility in May - Brooklyn, IA
  • Average visibility in May: 6mi

The months with the highest visibility are February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, July and August (5mi).

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Brooklyn, Iowa, USA

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