May weather forecast
Howell, MI

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Weather in May

The last month of the spring, May, is a refreshing month in Howell, Michigan, with an average temperature ranging between max 66.4°F (19.1°C) and min 48.4°F (9.1°C).

Temperature

May's arrival sees a rise in the average high-temperature, jumping from April's cool 54.1°F (12.3°C) to a refreshing 66.4°F (19.1°C). An average minimum temperature of 48.4°F (9.1°C) marks the month of May.

Humidity

The average relative humidity in May is 80%.

Rainfall

May is the month with the most rainfall. Rain falls for 17.6 days and accumulates 2.91" (74mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall in Howell. May is the last month it regularly snows in Howell. During 0.3 snowfall days, in May, Howell aggregates 0.08" (2mm) of snow. In Howell, during the entire year, snow falls for 62.6 days and aggregates up to 16.57" (421mm) of snow.

Daylight

In Howell, the average length of the day in May is 14h and 38min.
On the first day of May in Howell, sunrise is at 6:29 am and sunset at 8:36 pm. On the last day of the month, sunrise is at 6:00 am and sunset at 9:06 pm EDT.

Sunshine

In May, the average sunshine is 8.3h.

UV index

The months with the highest UV index are May through August, with an average maximum UV index of 5. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the ordinary person.
Note: The daily maximum UV index of 5 in May interprets into the following advice:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in May in Howell?

The high-temperature in Howell, Michigan, during May is 66.4°F (19.1°C) and the low-temperature is 48.4°F (9.1°C).

What is the average humidity in May in Howell?

In Howell, the average relative humidity in May is 80%.

What is the wettest month in Howell?

The month with the most rainfall is May, when the rain falls for 17.6 days and typically aggregates up to 2.91" (74mm) of precipitation.

How much does it rain in Howell in May?

In May, in Howell, Michigan, the rain falls for 17.6 days. Throughout May, 2.91" (74mm) of precipitation is accumulated.

What is the last month it snows in Howell?

May is the last month it regularly snows in Howell, Michigan. During 0.3 snowfall days, in May, Howell aggregates 0.08" (2mm) of snow.

What is the average length of the day in May in Howell?

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

What time are sunrise and sunset in May in Howell?

In May, on the first day of the month, sunrise is at 6:29 am and sunset at 8:36 pm. On the last day of the month, sunrise is at 6:00 am and sunset at 9:06 pm EDT.

How long on average sun shines in May in Howell?

In Howell, the average sunshine duration in May is 8.3h.

When is the highest UV index in Howell?

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

What is the UV index intensity in May in Howell?

In Howell, the average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a medium health risk from unprotected exposure to 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
Howell, MI

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

The warmest month (with the highest average high temperature) is July (79.2°F).
The month with the lowest average high temperature is January (27.7°F).

  • Average low temperature in May: 48.4°F

The month with the highest average low temperature is July (61.2°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).

Average pressure in May
Howell, MI

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

The months with the highest atmospheric pressure are March and November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in May
Howell, MI

Average wind speed in May - Howell, MI
  • Average wind speed in May: 8.3mph

The windiest months (with the highest average wind speed) are January and February (10.1mph).
The calmest month (with the lowest average wind speed) is July (6.5mph).

Average humidity in May
Howell, MI

Average humidity in May - Howell, MI
  • Average humidity in May: 80%

The months with the highest relative humidity are January and February (87%).
The month with the lowest relative humidity is April (77%).

Average rainfall in May
Howell, MI

Average rainfall in May - Howell, MI
  • Average rainfall in May: 2.91"

The wettest month (with the highest rainfall) is May (2.91").
The driest month (with the least rainfall) is December (1.3").

Average rainfall days in May
Howell, MI

Average rainfall days in May - Howell, MI
  • Average rainfall days in May: 17.6 days

The month with the highest number of rainy days is May (17.6 days).
The month with the least rainy days is February (5.6 days).

Average snowfall in May
Howell, MI

Average snowfall in May - Howell, MI
  • Average snowfall in May: 0.08"

The month with the highest snowfall is February (4.57").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in May
Howell, MI

Average snowfall days in May - Howell, MI
  • Average snowfall days in May: 0.3 days

The month with the highest number of snowfall days is January (16 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in May / Average sunshine in May - Howell, MI
  • Average daylight in May: 14h and 4min

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).

  • Average sunshine in May: 8h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 2h and 48min).

Average sunshine days in May
Howell, MI

Average sunshine days in May - Howell, MI
  • Average sunshine days in May: 11.3 days

The month with the most sunshine days is September (15 days).
The month with the least sunshine days is February (9.9 days).

Average UV index in May
Howell, MI

Average UV index in May - Howell, MI
  • 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 and December (UV index 1).

Average cloud cover in May
Howell, MI

Average cloud cover in May - Howell, MI
  • Average cloud cover in May: 43

The month with the most cloud cover is January (Cloud cover 71).
The month with the least cloud cover is July (Cloud cover 31).

Average visibility in May
Howell, MI

Average visibility in May - Howell, MI
  • Average visibility in May: 6mi

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

Howell, Michigan, USA

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