July weather forecast
Port Huron, MI

Today
Tomorrow
Long-term
YearJFMAMJJulyASOND
°Celsius°Fahrenheit
Share

Contents

The iconic Blue Water Bridge in Port Huron, Michigan, at night
The iconic Blue Water Bridge in Port Huron, Michigan, at night

Weather in July

July sees Port Huron at the pinnacle of summer, with temperatures spiking to a sweltering 78.4°F (25.8°C). It is the hottest period of the year, characterized by long, sunny days. Even though the heat is intense, the city's proximity to Lake Huron mitigates the harshness of summer, offering respite with cooling lake breezes. As the city moves into August, temperatures start to gradually decline while maintaining the typical summer climate.

Temperature

In Port Huron, temperatures reach their average annual highs in July, measuring 78.4°F (25.8°C) and a minimum average of 61.3°F (16.3°C).

Humidity

In Port Huron, the average relative humidity in July is 79%.

Rainfall

In Port Huron, during July, the rain falls for 14.9 days and regularly aggregates up to 2.09" (53mm) of precipitation. In Port Huron, during the entire year, the rain falls for 140.4 days and collects up to 19.41" (493mm) of precipitation.

Snowfall

June through September are months without snowfall.

Ocean temperature

In July, the average ocean temperature is 72.1°F (22.3°C).
Note: Individual cold sensitivities, influenced by sunshine, wind, and the ambient temperature, play a role in finding a swim in 72.1°F (22.3°C) water pleasant. (Olympic swimming events mandate water temperatures from 77°F (25°C) to 82.4°F (28°C).)

Daylight

The average length of the day in July in Port Huron, Michigan, is 14h and 59min.
On the first day of July, sunrise is at 5:54 am and sunset at 9:12 pm. On the last day of the month, sunrise is at 6:20 am and sunset at 8:51 pm EDT.

Sunshine

July has the most sunshine of the year, with an average of 10.3h of sunshine.

UV index

The months with the highest UV index in Port Huron are July and August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In July, the maximum UV index of 6 transforms into these recommendations:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. The Sun's UV radiation is at its strongest between the hours of 10 a.m. and 4 p.m. Minimize direct exposure to the sun during this period. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Stay alert! Reflective properties of sand and water amplify the Sun's UV radiation.
[Resources]

Frequently asked questions

What are the warmest months in Port Huron?

The warmest temperatures occur during July, when averages reach a peak of 78.4°F (25.8°C) and a low of 61.3°F (16.3°C).

What are the temperatures in Port Huron in July?

Port Huron in July has an average high-temperature of 78.4°F (25.8°C) and an average low-temperature of 61.3°F (16.3°C).

What is the average humidity in July in Port Huron?

In July, the average relative humidity in Port Huron, Michigan, is 79%.

How many days does it rain in July in Port Huron?

In Port Huron, Michigan, in July, during 14.9 rainfall days, 2.09" (53mm) of precipitation is typically accumulated.

When it does not snow in Port Huron?

June through September are months without snowfall in Port Huron.

What is the water temperature in July in Port Huron?

In Port Huron, Michigan, the average seawater temperature in July is 72.1°F (22.3°C). For individuals prone to feeling cold, swimming in 73.4°F (23°C) is still regarded as intolerable. A wetsuit is not a necessity, but sunshine, wind, and air temperature are essential factors for relishing swimming at 72.1°F (22.3°C).

What is the average length of the day in July in Port Huron?

The average day length in July in Port Huron is 14h and 59min.

What time are sunrise and sunset in July in Port Huron?

On the first day of July in Port Huron, Michigan, sunrise is at 5:54 am and sunset at 9:12 pm. On the last day of the month, sunrise is at 6:20 am and sunset at 8:51 pm EDT.

What month has the most sunshine in Port Huron?

With an average of 10.3h of sunshine, July has the most sunshine of the year in Port Huron, Michigan.

How many hours of sunshine does Port Huron have in July?

The average sunshine duration in July in Port Huron, Michigan, is 10.3h.

When is the highest UV index in Port Huron?

The months with the highest UV index in Port Huron, Michigan, are July and August, with an average maximum UV index of 6.

What is the UV index reading in July in Port Huron?

The average daily maximum UV index in July in Port Huron is 6. A UV Index estimate of 6 to 7 represents a high health threat from exposure to Sun's UV rays.
Today
Tomorrow
Long-term
YearJFMAMJJulyASOND
Jun
July
Aug
Average high temperature
72.1°F 22.3°C
78.4°F 25.8°C
77.5°F 25.3°C
Average low temperature
55.6°F 13.1°C
61.3°F 16.3°C
61°F 16.1°C
Average pressure
29.93" 760mmHg
29.96" 761mmHg
29.97" 761mmHg
Average wind speed
7.7mph 12.4km/h
6.8mph 10.9km/h
7.1mph 11.4km/h
Average max. wind speed
8.3mph 13.4km/h
7.4mph 11.9km/h
7.8mph 12.6km/h
Average wind speed gusts
12.6mph 20.3km/h
11.1mph 17.9km/h
11.7mph 18.8km/h
Average humidity
78%
79%
79%
Average rainfall
1.89" 48mm
2.09" 53mm
1.89" 48mm
Average rainfall days
13.7
14.9
13.8
Average snowfall
0" 0mm
0" 0mm
0" 0mm
Average snowfall days
0
0
0
Average sea temperature
60.2°F 15.7°C
72.1°F 22.3°C
73.7°F 23.2°C
Average daylight
15h 2min
15h 0min
13h 5min
Average sunshine
9h 5min
10h 2min
10h 0min
Average sunshine days
13.9
13.9
13.7
Average UV index
5
6
6
Average cloud cover
35%
30%
31%
Average visibility
6mi 9.7km
6mi 9.7km
6mi 9.7km

Average temperature in July
Port Huron, MI

Average temperature in July - Port Huron, MI
  • Average high temperature in July: 78.4°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 July: 61.3°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).

[Resources]

Average pressure in July
Port Huron, MI

Average pressure in July - Port Huron, MI
  • Average pressure in July: 29.96"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).

[Resources]

Average wind speed in July
Port Huron, MI

Average wind speed in July - Port Huron, MI
  • Average wind speed in July: 6.8mph

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).

[Resources]

Average humidity in July
Port Huron, MI

Average humidity in July - Port Huron, MI
  • Average humidity in July: 79%

The month with the highest relative humidity is February (86%).
The months with the lowest relative humidity are April and May (76%).

[Resources]

Average rainfall in July
Port Huron, MI

Average rainfall in July - Port Huron, MI
  • Average rainfall in July: 2.09"

The wettest month (with the highest rainfall) is May (2.13").
The driest month (with the least rainfall) is February (1.1").

[Resources]

Average rainfall days in July
Port Huron, MI

Average rainfall days in July - Port Huron, MI
  • Average rainfall days in July: 14.9 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).

[Resources]

Average snowfall in July
Port Huron, MI

Average snowfall in July - Port Huron, MI
  • Average snowfall in July: 0"

The month with the highest snowfall is February (3.9").
The months with the least snowfall are June, July, August and September (0").

[Resources]

Average snowfall days in July
Port Huron, MI

Average snowfall days in July - Port Huron, MI
  • Average snowfall days in July: 0 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).

[Resources]

Average sea temperature in July
Port Huron, MI

Average sea temperature in July - Port Huron, MI
  • Average sea temperature in July: 72.1°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).

[Resources]

Average daylight in July /
Average sunshine in July
Port Huron, MI

Average daylight in July / Average sunshine in July - Port Huron, MI
  • Average daylight in July: 15h and 0min

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 July: 10h 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 54min).

[Resources]

Average sunshine days in July
Port Huron, MI

Average sunshine days in July - Port Huron, MI
  • Average sunshine days in July: 13.9 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).

[Resources]

Average UV index in July
Port Huron, MI

Average UV index in July - Port Huron, MI
  • Average UV index in July: 6

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).

[Resources]

Average cloud cover in July
Port Huron, MI

Average cloud cover in July - Port Huron, MI
  • Average cloud cover in July: 30

The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is July (Cloud cover 30).

[Resources]

Average visibility in July
Port Huron, MI

Average visibility in July - Port Huron, MI
  • Average visibility in July: 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).

[Resources]

Port Huron, Michigan, USA

Weather forecast for today
Weather forecast for tomorrow
10 days weather forecast
Climate data
1January
2February
3March
4April
5May
6June
7July
8August
9September
10October
11November
12December

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location