May weather forecast
Dearborn, MO

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Weather in May

May, the last month of the spring in Dearborn, is a pleasant month, with an average temperature ranging between min 55.6°F (13.1°C) and max 72.9°F (22.7°C).

Temperature

The shift into May is marked by a modest rise in the average high-temperature, moving from April's refreshing 64°F (17.8°C) to an agreeable 72.9°F (22.7°C). In May, Dearborn's temperature tends to fall to an average low of 55.6°F (13.1°C) during the night.

Humidity

The months with the highest humidity are May and June, with an average relative humidity of 79%.

Rainfall

May is the month with the most rainfall. Rain falls for 16.4 days and accumulates 3.94" (100mm) of precipitation.

Snowfall

Months with snowfall in Dearborn are January through May, October through December. May is the last month it regularly snows. During 0.1 snowfall days, in May, Dearborn aggregates 0.08" (2mm) of snow. In Dearborn, during the entire year, snow falls for 17.5 days and aggregates up to 7.09" (180mm) of snow.

Daylight

In May, the average length of the day is 14h and 22min.
On the first day of May, sunrise is at 6:18 am and sunset at 8:13 pm. On the last day of the month, sunrise is at 5:53 am and sunset at 8:40 pm CDT.

Sunshine

In May, the average sunshine is 8.6h.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: The average daily UV index of 6 in May transforms into the following instructions:
Take precautions and utilize sun safety practices. Protection against skin and eye damage is required. Try to minimize direct Sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Also note that objects like parasols or canopies might not provide complete sun protection. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Updated: Jul 31, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in May?

Dearborn in May has an average high-temperature of 72.9°F (22.7°C) and an average low-temperature of 55.6°F (13.1°C).

What are the most humid months in Dearborn?

May and June, with an average relative humidity of 79%, are most humid months.

What is the average humidity in May?

In May, the average relative humidity is 79%.

What is the wettest month?

May is the month with the most rainfall. Rain falls for 16.4 days and accumulates 3.94" (100mm) of precipitation.

How much does it rain in May?

In May, the rain falls for 16.4 days. Throughout May, 3.94" (100mm) of precipitation is accumulated.

What is the last month it snows?

May is the last month it regularly snows. During 0.1 snowfall days, in May, Dearborn aggregates 0.08" (2mm) of snow.

What is the average length of the day in May?

The average day length in May is 14h and 22min.

When are sunrise and sunset in May in Dearborn?

In May, on the first day of the month, sunrise is at 6:18 am and sunset at 8:13 pm. On the last day of the month, in Dearborn, sunrise is at 5:53 am and sunset at 8:40 pm CDT.

How long on average sun shines in May?

In May, the average sunshine duration is 8.6h.

What are the months with the highest UV index?

The months with the highest UV index are May through August, with an average maximum UV index of 6.

What is the UV index intensity in May?

The average daily maximum UV index in May is 6. A UV Index value of 6 to 7 symbolizes a high 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
Dearborn, MO

Average temperature in May - Dearborn, MO
  • Average high temperature in May: 72.9°F

The warmest month (with the highest average high temperature) is July (86.4°F).
The month with the lowest average high temperature is January (36.1°F).

  • Average low temperature in May: 55.6°F

The month with the highest average low temperature is July (68.4°F).
The coldest month (with the lowest average low temperature) is January (21.9°F).

Average pressure in May
Dearborn, MO

Average pressure in May - Dearborn, MO
  • Average pressure in May: 29.92"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).

Average wind speed in May
Dearborn, MO

Average wind speed in May - Dearborn, MO
  • Average wind speed in May: 8.2mph

The windiest months (with the highest average wind speed) are February and March (9.9mph).
The calmest months (with the lowest average wind speed) are July and August (6.5mph).

Average humidity in May
Dearborn, MO

Average humidity in May - Dearborn, MO
  • Average humidity in May: 79%

The months with the highest relative humidity are May and June (79%).
The month with the lowest relative humidity is October (69%).

Average rainfall in May
Dearborn, MO

Average rainfall in May - Dearborn, MO
  • Average rainfall in May: 3.94"

The wettest month (with the highest rainfall) is May (3.94").
The driest month (with the least rainfall) is February (0.87").

Average rainfall days in May
Dearborn, MO

Average rainfall days in May - Dearborn, MO
  • Average rainfall days in May: 16.4 days

The month with the highest number of rainy days is May (16.4 days).
The month with the least rainy days is January (4.3 days).

Average snowfall in May
Dearborn, MO

Average snowfall in May - Dearborn, MO
  • Average snowfall in May: 0.08"

The month with the highest snowfall is February (2.32").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in May
Dearborn, MO

Average snowfall days in May - Dearborn, MO
  • Average snowfall days in May: 0.1 days

The month with the highest number of snowfall days is February (5.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in May /
Average sunshine in May
Dearborn, MO

Average daylight in May / Average sunshine in May - Dearborn, MO
  • Average daylight in May: 14h and 2min

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in May: 8h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 5h and 12min).

Average sunshine days in May
Dearborn, MO

Average sunshine days in May - Dearborn, MO
  • Average sunshine days in May: 12.4 days

The month with the most sunshine days is January (22 days).
The month with the least sunshine days is June (12.3 days).

Average UV index in May
Dearborn, MO

Average UV index in May - Dearborn, MO
  • Average UV index in May: 6

The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in May
Dearborn, MO

Average cloud cover in May - Dearborn, MO
  • Average cloud cover in May: 39

The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 26).

Average visibility in May
Dearborn, MO

Average visibility in May - Dearborn, MO
  • Average visibility in May: 6mi

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

Dearborn, Missouri, USA

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