May weather forecast
Montezuma, IA

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Weather in May

May, the last month of the spring in Montezuma, is an agreeable month, with an average temperature varying between 52.3°F (11.3°C) and 69.3°F (20.7°C).

Temperature

The rise of average high-temperatures is seen in May, with an increase from a moderate 58.8°F (14.9°C) in April to a pleasant 69.3°F (20.7°C). In Montezuma, the average nighttime temperature during May is a fresh 52.3°F (11.3°C).

Humidity

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

Rainfall

In Montezuma, in May, it is raining for 14.8 days, with typically 2.2" (56mm) of accumulated precipitation. Throughout the year, in Montezuma, there are 117.7 rainfall days, and 15.12" (384mm) of precipitation is accumulated.

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, Montezuma aggregates 0.16" (4mm) of snow. Throughout the year, in Montezuma, there are 34.7 snowfall days, and 6.54" (166mm) of snow is accumulated.

Daylight

The average length of the day in May in Montezuma, Iowa, is 14h and 33min.
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 5:38 am and sunset at 8:37 pm CDT.

Sunshine

The average sunshine in May is 8.5h.

UV index

In Montezuma, the average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the average person.
Note: A maximum UV index of 5 in May translates into the following recommendations:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Montezuma in May?

In Montezuma, 69.3°F (20.7°C) is the average high-temperature and 52.3°F (11.3°C) is the average low-temperature during May.

What is the average humidity in May in Montezuma?

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

How much does it rain in Montezuma in May?

In Montezuma, during May, the rain falls for 14.8 days and regularly aggregates up to 2.2" (56mm) of precipitation.

What is the last month it snows in Montezuma?

May is the last month it regularly snows. During 0.2 snowfall days, in May, Montezuma aggregates 0.16" (4mm) of snow.

How many hours of daylight does Montezuma have in May?

In Montezuma, Iowa, the average day length in May is 14h and 33min.

What time are sunrise and sunset in May in Montezuma?

On the first day of May in Montezuma, sunrise is at 6:05 am and sunset at 8:08 pm. On the last day of the month, sunrise is at 5:38 am and sunset at 8:37 pm CDT.

How many hours of sunshine does Montezuma have in May?

In May, the average sunshine duration in Montezuma is 8.5h.

How high is the UV index in May in Montezuma?

The average daily maximum UV index in May in Montezuma, Iowa, is 5. A UV Index reading 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
Montezuma, IA

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

The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (27.3°F).

  • Average low temperature in May: 52.3°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 (14.5°F).

Average pressure in May
Montezuma, IA

Average pressure in May - Montezuma, 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
Montezuma, IA

Average wind speed in May - Montezuma, 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 months (with the lowest average wind speed) are July and August (7mph).

Average humidity in May
Montezuma, IA

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

The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is October (72%).

Average rainfall in May
Montezuma, IA

Average rainfall in May - Montezuma, IA
  • Average rainfall in May: 2.2"

The wettest month (with the highest rainfall) is June (2.36").
The driest month (with the least rainfall) is February (0.55").

Average rainfall days in May
Montezuma, IA

Average rainfall days in May - Montezuma, IA
  • Average rainfall days in May: 14.8 days

The month with the highest number of rainy days is May (14.8 days).
The month with the least rainy days is February (3.7 days).

Average snowfall in May
Montezuma, IA

Average snowfall in May - Montezuma, IA
  • Average snowfall in May: 0.16"

The month with the highest snowfall is January (1.93").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in May
Montezuma, IA

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

The month with the highest number of snowfall days is January (9.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in May / Average sunshine in May - Montezuma, 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 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).

Average sunshine days in May
Montezuma, IA

Average sunshine days in May - Montezuma, IA
  • Average sunshine days in May: 12.8 days

The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is June (11.6 days).

Average UV index in May
Montezuma, IA

Average UV index in May - Montezuma, 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
Montezuma, IA

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

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

Average visibility in May
Montezuma, IA

Average visibility in May - Montezuma, 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).

Montezuma, Iowa, USA

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