May weather forecast
Dearborn, MI

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Weather in May

May signals the arrival of rather pleasant weather in Dearborn, Michigan, as the city transitions from spring to early summer. Compared to April, temperatures rise significantly, with it reaching a balmy high of 66.6°F (19.2°C). With frequency and volume of rainfall almost identical to April, May is characterized by showers and sunshine in equal measures. Overall, the month is considerably warmer, sunnier, and less humid, thus offering the perfect weather conditions for outdoor activities.

Temperature

With the onset of May, Dearborn's average high-temperature sees a rise, moving from April's fresh 53.4°F (11.9°C) to an enjoyable 66.6°F (19.2°C). Nighttime temperature dips to a mean of 50.7°F (10.4°C) during May.

Humidity

In Dearborn, the average relative humidity in May is 75%.

Rainfall

The month with the most rainfall is May, when the rain falls for 16.3 days and typically aggregates up to 2.2" (56mm) of precipitation.

Snowfall

Months with snowfall are January through May, November and December. May is the last month it regularly snows in Dearborn, Michigan. During 0.1 snowfall days, in May, Dearborn aggregates 0.31" (8mm) of snow. Throughout the year, there are 47.2 snowfall days, and 9.69" (246mm) of snow is accumulated.

Daylight

In Dearborn, the average length of the day in May is 14h and 37min.
On the first day of the month, sunrise is at 6:26 am and sunset at 8:32 pm. On the last day of May, sunrise is at 5:58 am and sunset at 9:02 pm EDT.

Sunshine

In Dearborn, the average sunshine in May is 9h.

UV index

In Dearborn, the average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.
Note: The average daily UV index of 5 in May transforms into the following instructions:
Heed the precautions - Suggestions to avoid sunburn are made. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.

Frequently asked questions

What is the average May temperature?

May temperatures vary between a high-temperature of 66.6°F (19.2°C) and a low-temperature of 50.7°F (10.4°C).

What is the average humidity in May?

In May, the average relative humidity is 75%.

What is the rainiest month?

May is the month with the most rainfall. Rain falls for 16.3 days and accumulates 2.2" (56mm) of precipitation.

How much does it rain in May?

In Dearborn, in May, it is raining for 16.3 days, with typically 2.2" (56mm) of accumulated precipitation.

What is the last month it snows in Dearborn?

May is the last month it regularly snows. During 0.1 snowfall days, in May, Dearborn aggregates 0.31" (8mm) of snow.

What is the average length of the day in May?

In May, the average day length is 14h and 37min.

When are sunrise and sunset in May?

On the first day of May, sunrise is at 6:26 am and sunset at 8:32 pm. On the last day of the month, sunrise is at 5:58 am and sunset at 9:02 pm EDT.

How many hours of sunshine does Dearborn have in May?

The average sunshine duration in May is 9h.

What is the UV index intensity in May?

The average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a medium hazard to health from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Dearborn, MI

Average temperature in May - Dearborn, MI
  • Average high temperature in May: 66.6°F

The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (28.9°F).

  • Average low temperature in May: 50.7°F

The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is January (19.2°F).

Average pressure in May
Dearborn, MI

Average pressure in May - Dearborn, MI
  • Average pressure in May: 29.98"Hg

The month with the highest atmospheric pressure is November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in May
Dearborn, MI

Average wind speed in May - Dearborn, MI
  • Average wind speed in May: 8.1mph

The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).

Average humidity in May
Dearborn, MI

Average humidity in May - Dearborn, MI
  • Average humidity in May: 75%

The month with the highest relative humidity is February (85%).
The months with the lowest relative humidity are July and August (73%).

Average rainfall in May
Dearborn, MI

Average rainfall in May - Dearborn, MI
  • Average rainfall in May: 2.2"

The wettest month (with the highest rainfall) is May (2.2").
The driest months (with the least rainfall) are January and February (0.87").

Average rainfall days in May
Dearborn, MI

Average rainfall days in May - Dearborn, MI
  • Average rainfall days in May: 16.3 days

The month with the highest number of rainy days is July (16.5 days).
The month with the least rainy days is February (5.8 days).

Average snowfall in May
Dearborn, MI

Average snowfall in May - Dearborn, MI
  • Average snowfall in May: 0.31"

The month with the highest snowfall is February (2.95").
The months with the least snowfall are June, July, August, September and October (0").

Average snowfall days in May
Dearborn, MI

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

The month with the highest number of snowfall days is January (13.3 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, MI

Average daylight in May / Average sunshine in May - Dearborn, MI
  • 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: 9h and 0min

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 6min).

Average sunshine days in May
Dearborn, MI

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

The month with the most sunshine days is October (16.8 days).
The month with the least sunshine days is July (11.8 days).

Average UV index in May
Dearborn, MI

Average UV index in May - Dearborn, MI
  • Average UV index in May: 5

The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).

Average cloud cover in May
Dearborn, MI

Average cloud cover in May - Dearborn, MI
  • Average cloud cover in May: 40

The month with the most cloud cover is January (Cloud cover 67).
The month with the least cloud cover is July (Cloud cover 27).

Average visibility in May
Dearborn, MI

Average visibility in May - Dearborn, MI
  • 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, Michigan, USA

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