May weather forecast
Lambs Grove, IA

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Weather in May

The last month of the spring, May, is an agreeable month in Lambs Grove, Iowa, with an average temperature fluctuating between 52.5°F (11.4°C) and 69.3°F (20.7°C).

Temperature

The start of May is characterized by an increase in the average high-temperature, transitioning from a refreshing 58.8°F (14.9°C) in April to an agreeable 69.3°F (20.7°C). Throughout May, Lambs Grove anticipates an average low-temperature of 52.5°F (11.4°C).

Humidity

In Lambs Grove, the average relative humidity in May is 78%.

Rainfall

May is the month with the most rainfall. Rain falls for 14.7 days and accumulates 2.13" (54mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.2 snowfall days, in May, Lambs Grove aggregates 0.04" (1mm) of snow. Throughout the year, in Lambs Grove, there are 28.8 snowfall days, and 5.28" (134mm) of snow is accumulated.

Daylight

The average length of the day in May in Lambs Grove is 14h and 34min.
On the first day of May in Lambs Grove, sunrise is at 6:07 am and sunset at 8:10 pm. On the last day of the month, sunrise is at 5:40 am and sunset at 8:40 pm CDT.

Sunshine

In May, the average sunshine in Lambs Grove is 8.6h.

UV index

The average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the average person.
Note: A maximum high daily UV index of 5 during May translates into the following directions:
Make use of precautions - It is urged to ward off sun damage. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. To cut down UV radiation exposure by about half, sport a wide-brim hat. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
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Frequently asked questions

What is the usual temperature for Lambs Grove in May?

Lambs Grove in May has an average high-temperature of 69.3°F (20.7°C) and an average low-temperature of 52.5°F (11.4°C).

What is the average humidity in May in Lambs Grove?

The average relative humidity in May in Lambs Grove, Iowa, is 78%.

What is the wettest month in Lambs Grove?

May is the month with the most rainfall. Rain falls for 14.7 days and accumulates 2.13" (54mm) of precipitation.

How many days does it rain in May in Lambs Grove?

In Lambs Grove, Iowa, in May, during 14.7 rainfall days, 2.13" (54mm) of precipitation is typically accumulated.

What is the last month it snows in Lambs Grove?

May is the last month it regularly snows. During 0.2 snowfall days, in May, Lambs Grove aggregates 0.04" (1mm) of snow.

How many hours of daylight does Lambs Grove have in May?

In May, the average day length in Lambs Grove is 14h and 34min.

When are sunrise and sunset in May in Lambs Grove?

In May, on the first day of the month, sunrise is at 6:07 am and sunset at 8:10 pm. On the last day of the month, in Lambs Grove, Iowa, sunrise is at 5:40 am and sunset at 8:40 pm CDT.

How long on average sun shines in May in Lambs Grove?

In May, the average sunshine duration in Lambs Grove, Iowa, is 8.6h.

What is the UV index intensity in May in Lambs Grove?

In Lambs Grove, the average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a medium hazard to health from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Lambs Grove, IA

Average temperature in May - Lambs Grove, IA
  • Average high temperature in May: 69.3°F

The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (27.1°F).

  • Average low temperature in May: 52.5°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 (14.4°F).

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Average pressure in May
Lambs Grove, IA

Average pressure in May - Lambs Grove, 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).

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Average wind speed in May
Lambs Grove, IA

Average wind speed in May - Lambs Grove, IA
  • Average wind speed in May: 9mph

The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).

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Average humidity in May
Lambs Grove, IA

Average humidity in May - Lambs Grove, IA
  • Average humidity in May: 78%

The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is October (71%).

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Average rainfall in May
Lambs Grove, IA

Average rainfall in May - Lambs Grove, IA
  • Average rainfall in May: 2.13"

The wettest month (with the highest rainfall) is May (2.13").
The driest months (with the least rainfall) are January, February and December (0.39").

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Average rainfall days in May
Lambs Grove, IA

Average rainfall days in May - Lambs Grove, IA
  • Average rainfall days in May: 14.7 days

The month with the highest number of rainy days is May (14.7 days).
The month with the least rainy days is February (3.4 days).

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Average snowfall in May
Lambs Grove, IA

Average snowfall in May - Lambs Grove, IA
  • Average snowfall in May: 0.04"

The month with the highest snowfall is January (1.73").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in May
Lambs Grove, IA

Average snowfall days in May - Lambs Grove, IA
  • Average snowfall days in May: 0.2 days

The month with the highest number of snowfall days is January (8.4 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
Lambs Grove, IA

Average daylight in May / Average sunshine in May - Lambs Grove, 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 4min

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).

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Average sunshine days in May
Lambs Grove, IA

Average sunshine days in May - Lambs Grove, IA
  • Average sunshine days in May: 13.6 days

The month with the most sunshine days is December (22.9 days).
The month with the least sunshine days is June (12.2 days).

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Average UV index in May
Lambs Grove, IA

Average UV index in May - Lambs Grove, IA
  • Average UV index in May: 5

The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).

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Average cloud cover in May
Lambs Grove, IA

Average cloud cover in May - Lambs Grove, IA
  • Average cloud cover in May: 42

The month with the most cloud cover is January (Cloud cover 55).
The months with the least cloud cover are July and September (Cloud cover 30).

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Average visibility in May
Lambs Grove, IA

Average visibility in May - Lambs Grove, IA
  • Average visibility in May: 6mi

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

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Lambs Grove, Iowa, USA

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