May weather forecast
Dyersville, IA

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Weather in May

May, the last month of the spring in Dyersville, is a refreshing month, with an average temperature fluctuating between 50.5°F (10.3°C) and 66.7°F (19.3°C).

Temperature

Dyersville's transition into May is marked by a temperature shift, moving from a mild 55.9°F (13.3°C) in April to a comfortable 66.7°F (19.3°C). The nights of May anticipate an average low-temperature of 50.5°F (10.3°C).

Humidity

In Dyersville, the average relative humidity in May is 81%.

Rainfall

The month with the most rainfall is May, when the rain falls for 19.9 days and typically aggregates up to 4.72" (120mm) of precipitation.

Snowfall

May through September are months without snowfall.

Daylight

The average length of the day in May in Dyersville is 14h and 38min.
On the first day of the month, sunrise is at 5:58 am and sunset at 8:04 pm. On the last day of May, sunrise is at 5:29 am and sunset at 8:34 pm CDT.

Sunshine

In May, the average sunshine is 8.1h.

UV index

May through August, with an average maximum UV index of 5, are months with the highest UV index. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.
Note: A daily high UV index of 5 in May leads to these guidelines:
Act with care - The need to guard against sun damage is communicated. To protect against the Sun's most potent rays, avoid direct exposure around midday. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
Updated: Aug 23, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are May temperatures?

The high-temperature, in May, in Dyersville, records 66.7°F (19.3°C), while the low-temperature is 50.5°F (10.3°C).

What is the average humidity in May?

In May, the average relative humidity is 81%.

What is the wettest month?

The month with the most rainfall is May, when the rain falls for 19.9 days and typically aggregates up to 4.72" (120mm) of precipitation.

How much does it rain in May?

In May, the rain falls for 19.9 days. Throughout May, 4.72" (120mm) of precipitation is accumulated.

When it does not snow in Dyersville?

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

Does it snow in May?

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

What is the average length of the day in May?

In Dyersville, the average day length in May is 14h and 38min.

When are sunrise and sunset in May?

On the first day of May, sunrise is at 5:58 am and sunset at 8:04 pm. On the last day of the month, sunrise is at 5:29 am and sunset at 8:34 pm CDT.

How long on average sun shines in May?

In Dyersville, the average sunshine duration in May is 8.1h.

What is the month with the highest UV index?

May through August, with an average maximum UV index of 5, are months with the highest UV index.

What is the UV index reading in May?

The average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a medium health risk from unprotected exposure to UV radiation.
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
Dyersville, IA

Average temperature in May - Dyersville, IA
  • Average high temperature in May: 66.7°F

The warmest month (with the highest average high temperature) is July (79.5°F).
The month with the lowest average high temperature is January (24.3°F).

  • Average low temperature in May: 50.5°F

The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (12.2°F).

Average pressure in May
Dyersville, IA

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

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

Average wind speed in May
Dyersville, IA

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

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

Average humidity in May
Dyersville, IA

Average humidity in May - Dyersville, IA
  • Average humidity in May: 81%

The month with the highest relative humidity is January (88%).
The months with the lowest relative humidity are April and October (76%).

Average rainfall in May
Dyersville, IA

Average rainfall in May - Dyersville, IA
  • Average rainfall in May: 4.72"

The wettest month (with the highest rainfall) is May (4.72").
The driest month (with the least rainfall) is January (1.34").

Average rainfall days in May
Dyersville, IA

Average rainfall days in May - Dyersville, IA
  • Average rainfall days in May: 19.9 days

The months with the highest number of rainy days are May and June (19.9 days).
The month with the least rainy days is February (4.3 days).

Average snowfall in May
Dyersville, IA

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

The month with the highest snowfall is January (6.22").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in May
Dyersville, IA

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

The month with the highest number of snowfall days is January (14 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
Dyersville, IA

Average daylight in May / Average sunshine in May - Dyersville, 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 6min).

  • Average sunshine in May: 8h and 1min

The month with the most sunshine is July (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).

Average sunshine days in May
Dyersville, IA

Average sunshine days in May - Dyersville, IA
  • Average sunshine days in May: 9 days

The month with the most sunshine days is November (16.6 days).
The month with the least sunshine days is June (7.8 days).

Average UV index in May
Dyersville, IA

Average UV index in May - Dyersville, IA
  • Average UV index in May: 5

The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, November and December (UV index 1).

Average cloud cover in May
Dyersville, IA

Average cloud cover in May - Dyersville, IA
  • Average cloud cover in May: 46

The month with the most cloud cover is January (Cloud cover 63).
The months with the least cloud cover are August and September (Cloud cover 33).

Average visibility in May
Dyersville, IA

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

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

Dyersville, Iowa, USA

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