Climate and monthly weather forecast
Romulus, MI

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Weather in January

January, the same as December, in Romulus, Michigan, is another subzero cold winter month, with an average temperature varying between 18.9°F (-7.3°C) and 29.1°F (-1.6°C). In Romulus, Michigan, the month of January registers the lowest temperatures, averaging 29.1°F (-1.6°C) at the peak and 18.9°F (-7.3°C) at the lowest. Weather in January »

Weather in February

February, the last month of the winter in Romulus, is also a subzero cold month, with temperature in the range of an average low of 20.1°F (-6.6°C) and an average high of 31.6°F (-0.2°C). As Romulus steps into February, the average high-temperature is measured at a still freezing cold 31.6°F (-0.2°C), displaying minor differences from January's 29.1°F (-1.6°C). Weather in February »

Weather in March

March, the first month of the spring in Romulus, is a frosty month, with an average temperature fluctuating between 29.3°F (-1.5°C) and 42.8°F (6°C). An escalation in the average high-temperature is seen with the onset of March, moving from a subzero cold 31.6°F (-0.2°C) in February to a chilly 42.8°F (6°C). Weather in March »

Weather in April

April is a fresh spring month in Romulus, Michigan, with temperature in the range of an average low of 38.8°F (3.8°C) and an average high of 54°F (12.2°C). As March gives way to April, the average high-temperature displays an increase, moving from a frosty 42.8°F (6°C) to a cool 54°F (12.2°C). Weather in April »

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). 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). Weather in May »

Weather in June

June, the first month of the summer in Romulus, is a moderately hot month, with an average temperature fluctuating between 59.2°F (15.1°C) and 75.2°F (24°C). As Romulus transitions into June, a marginal rise in the average high-temperature is observed, moving from an enjoyable 66.4°F (19.1°C) in May to a warm 75.2°F (24°C). Weather in June »

Weather in July

July, the same as June, is another warm summer month in Romulus, Michigan, with an average temperature ranging between min 64.6°F (18.1°C) and max 79.9°F (26.6°C). Romulus's temperatures tend to reach their peak averages in July, with a high of 79.9°F (26.6°C) and a low of 64.6°F (18.1°C). Weather in July »

Weather in August

The last month of the summer, August, is another warm month in Romulus, Michigan, with temperature in the range of an average low of 63.5°F (17.5°C) and an average high of 78.6°F (25.9°C). The shift into August uncovers an average high-temperature of a still moderately hot 78.6°F (25.9°C), subtly different from the previous month. Weather in August »

Weather in September

The first month of the autumn, September, is still a pleasant month in Romulus, Michigan, with temperature in the range of an average high of 72.5°F (22.5°C) and an average low of 56.8°F (13.8°C). The arrival of September corresponds with a light shift in temperature, down from a warm 78.6°F (25.9°C) in August to a pleasant 72.5°F (22.5°C). Weather in September »

Weather in October

October, like September, is another mild autumn month in Romulus, Michigan, with temperature in the range of an average low of 46.6°F (8.1°C) and an average high of 59.7°F (15.4°C). Romulus's transition into October involves a shift in temperature, receding from a pleasant 72.5°F (22.5°C) in September to a refreshing 59.7°F (15.4°C). Weather in October »

Weather in November

The last month of the autumn, November, is also a frosty month in Romulus, Michigan, with an average temperature varying between 45.7°F (7.6°C) and 34.9°F (1.6°C). November's onset brings a slight change in high-temperatures, falling from a moderate 59.7°F (15.4°C) in October to a frosty 45.7°F (7.6°C). Weather in November »

Weather in December

December, the first month of the winter in Romulus, is also an icy month, with an average temperature fluctuating between 27.1°F (-2.7°C) and 35.2°F (1.8°C). December ushers in a slight temperature change, with average high-temperatures reducing from November's chilly 45.7°F (7.6°C) to a cold 35.2°F (1.8°C). Weather in December »
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What part of the year is the coldest in Romulus?

The coldest time of the year in Romulus, Michigan, is January, with temperatures averaging a high of 29.1°F (-1.6°C) and a low of 18.9°F (-7.3°C).

What is the most humid month in Romulus?

January and February, with an average relative humidity of 84%, are most humid months in Romulus.

How many days does it rain in Romulus?

Throughout the year, in Romulus, there are 153.7 rainfall days, and 23.82" (605mm) of precipitation is accumulated.

When does it snow in Romulus?

January through May, October through December are months with snowfall.

How much does it snow in Romulus?

Throughout the year, there are 40.4 snowfall days, and 12.24" (311mm) of snow is accumulated.

What is the month with the least sunshine in Romulus?

January has the least sunshine of the year, with an average of 3.1h of sunshine.

What is the snowiest month in Romulus?

February is the month with the most snowfall in Romulus, Michigan. Snow falls for 10.1 days and accumulates 3.98" (101mm) of snow.

When is Daylight Saving Time (DST) in Romulus?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Romulus, Michigan, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from EDT to EST.

What are the least humid months in Romulus?

April, July and October, with an average relative humidity of 75%, are the least humid months.

What is the wettest month in Romulus?

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

When it does not snow in Romulus?

In Romulus, Michigan, snow does not fall in June through September.

When are the longest days in Romulus?

With an average of 15h and 12min of daylight, June has the longest days of the year.

When is the highest UV index in Romulus?

The months with the highest UV index in Romulus, Michigan, are June through August, with an average maximum UV index of 6.

What part of the year is the hottest in Romulus?

The warmest period is July, when temperatures fluctuate between an average high of 79.9°F (26.6°C) and a low of 64.6°F (18.1°C).

What month has the most sunshine in Romulus?

July has the most sunshine of the year in Romulus, with an average of 10.6h of sunshine.

What is the driest month in Romulus?

December is the month with the least rainfall. Rain falls for 7.9 days and accumulates 1.14" (29mm) of precipitation.

What is the month with the shortest days in Romulus?

With an average of 9h and 12min of daylight, December has the shortest days of the year.

What is the month with the lowest UV index in Romulus?

The month with the lowest UV index is December, with an average maximum UV index of 1.

Average temperature
Romulus, MI

Average temperature - Romulus, MI

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).

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
Romulus, MI

Average pressure - Romulus, MI

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
Romulus, MI

Average wind speed - Romulus, MI

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
Romulus, MI

Average humidity - Romulus, MI

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
Romulus, MI

Average rainfall - Romulus, MI

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
Romulus, MI

Average rainfall days - Romulus, MI

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
Romulus, MI

Average snowfall - Romulus, MI

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
Romulus, MI

Average snowfall days - Romulus, MI

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 / Average sunshine
Romulus, MI

Average daylight / Average sunshine - Romulus, MI

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).

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
Romulus, MI

Average sunshine days - Romulus, MI

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 visibility
Romulus, MI

Average visibility - Romulus, MI

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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