April weather forecastPort Huron, MI

April
Weather in April
April brings a distinctive shift in Port Huron's weather as the grips of winter fully recede. The city welcomes spring with a substantial increase in temperatures, with a high of 51.3°F (10.7°C). The landscape transforms, trading the white blanket of snow for a colorful canvas of blossoming flowers. Rain starts to replace snow, aiding in nurturing vibrant spring blooms. As May arrives, the temperatures continue to rise and precipitation becomes more frequent, preparing the city for the impending summer heat.Temperature
A rise in the average high-temperature is observed during April, moving from a wintry 39.6°F (4.2°C) in March to a cool 51.3°F (10.7°C). Port Huron records an average low-temperature of 37°F (2.8°C) throughout the month of April.Humidity
April and May, with an average relative humidity of 76%, are the least humid months.Rainfall
In April, in Port Huron, the rain falls for 14.7 days. Throughout April, 2.09" (53mm) of precipitation is accumulated. In Port Huron, during the entire year, the rain falls for 140.4 days and collects up to 19.41" (493mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Port Huron, in April, snow falls for 2.3 days, with typically accumulated 0.67" (17mm) of snow. Throughout the year, there are 55.2 snowfall days, and 12.28" (312mm) of snow is accumulated.Ocean temperature
In April, the average ocean temperature is 37.2°F (2.9°C).Note: In the sport of swimming, this scenario is extremely cold, treacherous, and fatal. If not protected by insulated waterproof clothing, hypothermia ensues quickly.
Daylight
In Port Huron, the average length of the day in April is 13h and 26min.On the first day of April, sunrise is at 7:10 am and sunset at 7:56 pm. On the last day of the month, sunrise is at 6:23 am and sunset at 8:29 pm EDT.
Sunshine
In April, the average sunshine is 7.1h.UV index
In Port Huron, Michigan, the average daily maximum UV index in April is 3. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: In April, the average maximum UV index of 3 translates into the following recommendations:
Guard yourself - Precautionary measures against sun damage are advocated. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Port Huron, MI
- Average high temperature in April: 51.3°F
The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is January (27.9°F).
- Average low temperature in April: 37°F
The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (18.5°F).
Average pressure in April
Port Huron, MI
- Average pressure in April: 29.97"Hg
The month with the highest atmospheric pressure is March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in April
Port Huron, MI
- Average wind speed in April: 10.6mph
The windiest month (with the highest average wind speed) is January (11.3mph).
The calmest month (with the lowest average wind speed) is July (6.8mph).
Average humidity in April
Port Huron, MI
- Average humidity in April: 76%
The month with the highest relative humidity is February (86%).
The months with the lowest relative humidity are April and May (76%).
Average rainfall in April
Port Huron, MI
- Average rainfall in April: 2.09"
The wettest month (with the highest rainfall) is May (2.13").
The driest month (with the least rainfall) is February (1.1").
Average rainfall days in April
Port Huron, MI
- Average rainfall days in April: 14.7 days
The month with the highest number of rainy days is May (15.7 days).
The month with the least rainy days is February (5.7 days).
Average snowfall in April
Port Huron, MI
- Average snowfall in April: 0.67"
The month with the highest snowfall is February (3.9").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Port Huron, MI
- Average snowfall days in April: 2.3 days
The month with the highest number of snowfall days is January (14.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average sea temperature in April
Port Huron, MI
- Average sea temperature in April: 37.3°F
The best month for swimming (with the highest average sea temperature) is August (73.7°F).
The coldest month (with the lowest average sea temperature) is February (32.4°F).
Average daylight in April /
Average sunshine in April
Port Huron, MI
- Average daylight in April: 13h and 24min
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 April: 7h and 6min
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 54min).
Average sunshine days in April
Port Huron, MI
- Average sunshine days in April: 12.2 days
The month with the most sunshine days is November (15.2 days).
The month with the least sunshine days is February (11.3 days).
Average UV index in April
Port Huron, MI
- Average UV index in April: 3
The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in April
Port Huron, MI
- Average cloud cover in April: 50
The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility in April
Port Huron, MI
- Average visibility in April: 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).





