May weather forecast
Otis, IA

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Weather in May

May, the last month of the spring in Otis, is a pleasant month, with an average temperature fluctuating between 52.3°F (11.3°C) and 68.9°F (20.5°C).

Temperature

Otis in May shows a temperature shift, moving from an average high of a moderate 57.9°F (14.4°C) in April to a pleasant 68.9°F (20.5°C). Otis's nights in May cool down to an average low-temperature of 52.3°F (11.3°C).

Humidity

In May, the average relative humidity is 79%.

Rainfall

The month with the most rainfall is May, when the rain falls for 16 days and typically aggregates up to 3.07" (78mm) of precipitation.

Snowfall

May through September are months without snowfall.

Daylight

The average length of the day in May is 14h and 35min.
On the first day of May in Otis, sunrise is at 6:01 am and sunset at 8:05 pm. On the last day of the month, sunrise is at 5:33 am and sunset at 8:35 pm CDT.

Sunshine

In May, the average sunshine is 8.7h.

UV index

In May, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the average person.
Note: A daily maximum UV index of 5 in May translates into the following instructions:
Put precautions into practice - Ensuring skin and eye safety is a necessity. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Updated: Aug 22, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average May temperature?

May temperatures vary between a high-temperature of 68.9°F (20.5°C) and a low-temperature of 52.3°F (11.3°C).

What is the average humidity in May?

In May, the average relative humidity is 79%.

What is the wettest month?

The month with the most rainfall is May, when the rain falls for 16 days and typically aggregates up to 3.07" (78mm) of precipitation.

How many days does it rain in May?

In Otis, Iowa, in May, during 16 rainfall days, 3.07" (78mm) of precipitation is typically accumulated.

When it does not snow?

In Otis, snow does not fall in May through September.

Does it snow in Otis in May?

In May, it doesn't snow. April is the latest month when it typically snows.

How many hours of daylight does Otis have in May?

In Otis, Iowa, the average day length in May is 14h and 35min.

When is the sunrise / sunset in May?

In May, on the first day of the month, sunrise is at 6:01 am and sunset at 8:05 pm. On the last day of the month, sunrise is at 5:33 am and sunset at 8:35 pm CDT.

How long on average sun shines in May?

In May, the average sunshine duration is 8.7h.

How high is the UV index in May in Otis?

In Otis, Iowa, 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
Otis, IA

Average temperature in May - Otis, IA
  • Average high temperature in May: 68.9°F

The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (26.2°F).

  • Average low temperature in May: 52.3°F

The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (14.2°F).

Average pressure in May
Otis, IA

Average pressure in May - Otis, IA
  • Average pressure in May: 29.94"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

Average wind speed in May
Otis, IA

Average wind speed in May - Otis, 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
Otis, IA

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

The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is October (73%).

Average rainfall in May
Otis, IA

Average rainfall in May - Otis, IA
  • Average rainfall in May: 3.07"

The wettest month (with the highest rainfall) is May (3.07").
The driest months (with the least rainfall) are January and February (0.63").

Average rainfall days in May
Otis, IA

Average rainfall days in May - Otis, IA
  • Average rainfall days in May: 16 days

The month with the highest number of rainy days is May (16 days).
The month with the least rainy days is February (3 days).

Average snowfall in May
Otis, IA

Average snowfall in May - Otis, IA
  • Average snowfall in May: 0"

The month with the highest snowfall is January (2.64").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in May
Otis, IA

Average snowfall days in May - Otis, IA
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is January (10.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

Average daylight in May / Average sunshine in May - Otis, 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 0min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).

Average sunshine days in May
Otis, IA

Average sunshine days in May - Otis, IA
  • Average sunshine days in May: 12.3 days

The month with the most sunshine days is October (19.9 days).
The month with the least sunshine days is June (11.8 days).

Average UV index in May
Otis, IA

Average UV index in May - Otis, 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).

Average cloud cover in May
Otis, IA

Average cloud cover in May - Otis, IA
  • Average cloud cover in May: 42

The month with the most cloud cover is January (Cloud cover 57).
The months with the least cloud cover are August and September (Cloud cover 30).

Average visibility in May
Otis, IA

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

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

Otis, Iowa, USA

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