May weather forecast
Romulus, MI

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Weather in May

May, the last month of the spring in Romulus, is an enjoyable month, with an average temperature ranging between max 66.4°F (19.1°C) and min 50.9°F (10.5°C).

Temperature

The arrival of May brings a temperature shift, with the average high-temperature escalating from a cool 54°F (12.2°C) in April to an enjoyable 66.4°F (19.1°C). May's nights in Romulus observe an average temperature of 50.9°F (10.5°C).

Humidity

The average relative humidity in May is 76%.

Rainfall

May is the month with the most rainfall in Romulus. Rain falls for 19 days and accumulates 3.03" (77mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. May is the last month it regularly snows in Romulus. During 0.1 snowfall days, in May, Romulus aggregates 0.16" (4mm) of snow. In Romulus, during the entire year, snow falls for 40.4 days and aggregates up to 12.24" (311mm) of snow.

Daylight

In Romulus, the average length of the day in May is 14h and 36min.
On the first day of May, sunrise is at 6:27 am and sunset at 8:33 pm. On the last day of the month, sunrise is at 5:59 am and sunset at 9:03 pm EDT.

Sunshine

In May, the average sunshine is 8.9h.

UV index

In Romulus, the average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for average individuals.
Note: The daily maximum UV index of 5 in May interprets into the following advice:
Undertake protective steps - Recommendations to avoid sunburn are issued. To avoid the Sun's strongest rays, limit exposure around the mid-day period. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are May temperatures in Romulus?

An average high-temperature, in May, in Romulus, is 66.4°F (19.1°C) and the average low-temperature is 50.9°F (10.5°C).

What is the average humidity in May in Romulus?

In May, the average relative humidity in Romulus, Michigan, is 76%.

What is the wettest month in Romulus?

The month with the most rainfall in Romulus, Michigan, is May, when the rain falls for 19 days and typically aggregates up to 3.03" (77mm) of precipitation.

How much does it rain in Romulus in May?

In Romulus, Michigan, in May, during 19 rainfall days, 3.03" (77mm) of precipitation is typically accumulated.

What is the last month it snows in Romulus?

May is the last month it regularly snows in Romulus, Michigan. During 0.1 snowfall days, in May, Romulus aggregates 0.16" (4mm) of snow.

How many hours of daylight does Romulus have in May?

In May, the average day length in Romulus, Michigan, is 14h and 36min.

What time are sunrise and sunset in May in Romulus?

On the first day of May, sunrise is at 6:27 am and sunset at 8:33 pm. On the last day of the month, sunrise is at 5:59 am and sunset at 9:03 pm EDT.

How many hours of sunshine does Romulus have in May?

In Romulus, Michigan, the average sunshine duration in May is 8.9h.

What is the UV index reading in May in Romulus?

The average daily maximum UV index in May in Romulus is 5. A UV Index reading of 3 to 5 represents a medium hazard to health from exposure to the Sun's UV radiation.
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
Romulus, MI

Average temperature in May - Romulus, MI
  • Average high temperature in May: 66.4°F

The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (29.1°F).

  • Average low temperature in May: 50.9°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 (18.9°F).

Average pressure in May
Romulus, MI

Average pressure in May - Romulus, 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
Romulus, MI

Average wind speed in May - Romulus, 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
Romulus, MI

Average humidity in May - Romulus, MI
  • Average humidity in May: 76%

The months with the highest relative humidity are January and February (84%).
The months with the lowest relative humidity are April, July and October (75%).

Average rainfall in May
Romulus, MI

Average rainfall in May - Romulus, MI
  • Average rainfall in May: 3.03"

The wettest month (with the highest rainfall) is May (3.03").
The driest month (with the least rainfall) is December (1.14").

Average rainfall days in May
Romulus, MI

Average rainfall days in May - Romulus, MI
  • Average rainfall days in May: 19 days

The month with the highest number of rainy days is May (19 days).
The month with the least rainy days is February (5.6 days).

Average snowfall in May
Romulus, MI

Average snowfall in May - Romulus, MI
  • Average snowfall in May: 0.16"

The month with the highest snowfall is February (3.98").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in May
Romulus, MI

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

The month with the highest number of snowfall days is January (11.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in May /
Average sunshine in May
Romulus, MI

Average daylight in May / Average sunshine in May - Romulus, 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 12min).

  • Average sunshine in May: 8h and 5min

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
Romulus, MI

Average sunshine days in May - Romulus, MI
  • Average sunshine days in May: 10.6 days

The month with the most sunshine days is November (17.9 days).
The month with the least sunshine days is July (10.3 days).

Average UV index in May
Romulus, MI

Average UV index in May - Romulus, 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
Romulus, MI

Average cloud cover in May - Romulus, 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 28).

Average visibility in May
Romulus, MI

Average visibility in May - Romulus, 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).

Romulus, Michigan, USA

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