Climate and monthly weather forecastPentwater, MI
Climate and monthly weather forecast
Weather in January
January, the same as December, in Pentwater, Michigan, is a freezing cold winter month, with an average temperature ranging between max 28.2°F (-2.1°C) and min 21.6°F (-5.8°C). The month of January, characterized by an average high of 28.2°F (-2.1°C) and a low of 21.6°F (-5.8°C), is recognized as the coldest. Weather in January »Weather in February
The last month of the winter, February, is also a subzero cold month in Pentwater, Michigan, with temperature in the range of an average high of 29.3°F (-1.5°C) and an average low of 21.9°F (-5.6°C). Transitioning from January to February, Pentwater observes an average high-temperature of a still freezing cold 29.3°F (-1.5°C), differing subtly from the previous month. Weather in February »Weather in March
March, the first month of the spring in Pentwater, is a cold month, with an average temperature fluctuating between 28.8°F (-1.8°C) and 37.6°F (3.1°C). March brings a slight rise in Pentwater's average high-temperature, moving from a subzero cold 29.3°F (-1.5°C) in February to a wintry 37.6°F (3.1°C). Weather in March »Weather in April
April is a frosty spring month in Pentwater, Michigan, with an average temperature fluctuating between 46.9°F (8.3°C) and 37.4°F (3°C). April's arrival signals a temperature shift, moving from a cold 37.6°F (3.1°C) in March to a frosty 46.9°F (8.3°C). Weather in April »Weather in May
The last month of the spring, May, is a refreshing month in Pentwater, Michigan, with an average temperature ranging between min 46.6°F (8.1°C) and max 57.4°F (14.1°C). May's arrival sees a rise in the average high-temperature, jumping from April's frosty 46.9°F (8.3°C) to a moderate 57.4°F (14.1°C). Weather in May »Weather in June
June, the first month of the summer in Pentwater, is an enjoyable month, with an average temperature varying between 55°F (12.8°C) and 65.7°F (18.7°C). June introduces a minor temperature shift, with average high-temperatures adjusting from May's mild 57.4°F (14.1°C) to a comfortable 65.7°F (18.7°C). Weather in June »Weather in July
July in Pentwater, Michigan, is an agreeable summer month, with temperature in the range of an average high of 73°F (22.8°C) and an average low of 62.6°F (17°C). The start of July brings a subtle rise in the average high-temperature, moving from a comfortable 65.7°F (18.7°C) in June to an agreeable 73°F (22.8°C). Weather in July »Weather in August
August, the last month of the summer in Pentwater, is a warm month, with temperature in the range of an average high of 73.6°F (23.1°C) and an average low of 63.9°F (17.7°C). August is the warmest month, exhibiting average temperatures of 73.6°F (23.1°C) at the peak and 63.9°F (17.7°C) at the base. Weather in August »Weather in September
The first month of the autumn, September, is still a comfortable month in Pentwater, Michigan, with an average temperature varying between 67.6°F (19.8°C) and 57.7°F (14.3°C). The commencement of September indicates a gentle shift in the average high-temperature, receding from August's moderately hot 73.6°F (23.1°C) to a comfortable 67.6°F (19.8°C). Weather in September »Weather in October
October, like September, is a moderate autumn month in Pentwater, Michigan, with temperature in the range of an average low of 47.7°F (8.7°C) and an average high of 55.4°F (13°C). The start of October signals a decrease in the average high-temperature, transitioning from a comfortable 67.6°F (19.8°C) in September to a moderate 55.4°F (13°C). Weather in October »Weather in November
The last month of the autumn, November, is also a frosty month in Pentwater, Michigan, with an average temperature fluctuating between 43.5°F (6.4°C) and 36.7°F (2.6°C). November brings a drop in Pentwater's average high-temperature, falling from a mild 55.4°F (13°C) in October to a chilly 43.5°F (6.4°C). Weather in November »Weather in December
The first month of the winter, December, is also a wintry month in Pentwater, Michigan, with an average temperature ranging between max 33.6°F (0.9°C) and min 27.5°F (-2.5°C). Transition into December marks a drop in the average high-temperature, moving from a frosty 43.5°F (6.4°C) in November to an icy 33.6°F (0.9°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Pentwater, MI
The warmest month (with the highest average high temperature) is August (73.6°F).
The month with the lowest average high temperature is January (28.2°F).
The month with the highest average low temperature is August (63.9°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).
Average pressure
Pentwater, MI
- Average pressure in January:
30.06"Hg - Average pressure in February:
30.07"Hg - Average pressure in March:
30.09"Hg - Average pressure in April:
29.96"Hg - Average pressure in May:
29.97"Hg - Average pressure in June:
29.92"Hg
- Average pressure in July:
29.95"Hg - Average pressure in August:
29.96"Hg - Average pressure in September:
30.03"Hg - Average pressure in October:
29.98"Hg - Average pressure in November:
30.06"Hg - Average pressure in December:
30.06"Hg
The month with the highest atmospheric pressure is March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed
Pentwater, MI
- Average wind speed in January:
12.8mph - Average wind speed in February:
12.4mph - Average wind speed in March:
11.4mph - Average wind speed in April:
11.6mph - Average wind speed in May:
9.8mph - Average wind speed in June:
8.8mph
- Average wind speed in July:
8.4mph - Average wind speed in August:
9.1mph - Average wind speed in September:
10.4mph - Average wind speed in October:
12.2mph - Average wind speed in November:
13.1mph - Average wind speed in December:
12.7mph
The windiest month (with the highest average wind speed) is November (13.1mph).
The calmest month (with the lowest average wind speed) is July (8.4mph).
Average humidity
Pentwater, MI
The month with the highest relative humidity is January (85%).
The months with the lowest relative humidity are April and October (76%).
Average rainfall
Pentwater, MI
- Average rainfall in January:
1.61" - Average rainfall in February:
1.34" - Average rainfall in March:
1.5" - Average rainfall in April:
2.44" - Average rainfall in May:
2.36" - Average rainfall in June:
2.48"
- Average rainfall in July:
2.24" - Average rainfall in August:
2.09" - Average rainfall in September:
2.28" - Average rainfall in October:
3.46" - Average rainfall in November:
1.57" - Average rainfall in December:
1.69"
The wettest month (with the highest rainfall) is October (3.46").
The driest month (with the least rainfall) is February (1.34").
Average rainfall days
Pentwater, MI
- Average rainfall days in January:
4.8 days - Average rainfall days in February:
5.1 days - Average rainfall days in March:
10.8 days - Average rainfall days in April:
14.6 days - Average rainfall days in May:
14.3 days - Average rainfall days in June:
13.8 days
- Average rainfall days in July:
13.7 days - Average rainfall days in August:
13.9 days - Average rainfall days in September:
13.5 days - Average rainfall days in October:
17.5 days - Average rainfall days in November:
11.2 days - Average rainfall days in December:
7.1 days
The month with the highest number of rainy days is October (17.5 days).
The month with the least rainy days is January (4.8 days).
Average snowfall
Pentwater, MI
The month with the highest snowfall is January (5").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Pentwater, MI
- Average snowfall days in January:
17.8 days - Average snowfall days in February:
15.4 days - Average snowfall days in March:
7.9 days - Average snowfall days in April:
3.3 days - Average snowfall days in May:
0.3 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0.3 days - Average snowfall days in November:
7.4 days - Average snowfall days in December:
16 days
The month with the highest number of snowfall days is January (17.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Pentwater, MI
- Average daylight in January:
9h and 24min - Average daylight in February:
10h and 30min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 30min - Average daylight in May:
14h and 48min - Average daylight in June:
15h and 24min
- Average daylight in July:
15h and 6min - Average daylight in August:
13h and 54min - Average daylight in September:
12h and 30min - Average daylight in October:
11h and 0min - Average daylight in November:
9h and 42min - Average daylight in December:
9h and 0min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in January:
2h and 6min - Average sunshine in February:
3h and 18min - Average sunshine in March:
5h and 36min - Average sunshine in April:
7h and 0min - Average sunshine in May:
9h and 18min - Average sunshine in June:
9h and 54min
- Average sunshine in July:
10h and 48min - Average sunshine in August:
10h and 12min - Average sunshine in September:
8h and 18min - Average sunshine in October:
5h and 24min - Average sunshine in November:
4h and 6min - Average sunshine in December:
2h and 42min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 2h and 6min).
Average sunshine days
Pentwater, MI
- Average sunshine days in January:
6.3 days - Average sunshine days in February:
7.1 days - Average sunshine days in March:
13.8 days - Average sunshine days in April:
12.4 days - Average sunshine days in May:
14.2 days - Average sunshine days in June:
14 days
- Average sunshine days in July:
14.8 days - Average sunshine days in August:
14.5 days - Average sunshine days in September:
14.7 days - Average sunshine days in October:
11.3 days - Average sunshine days in November:
11.8 days - Average sunshine days in December:
9.2 days
The month with the most sunshine days is July (14.8 days).
The month with the least sunshine days is January (6.3 days).
Average UV index
Pentwater, MI
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February and December (UV index 1).
Average cloud cover
Pentwater, MI
The month with the most cloud cover is January (Cloud cover 79).
The month with the least cloud cover is July (Cloud cover 25).
Average visibility
Pentwater, MI
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (5mi).





