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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January, the same as December, in Mattawan, Michigan, is another subzero cold winter month, with an average temperature fluctuating between 28.6°F (-1.9°C) and 18.7°F (-7.4°C). January tends to be the coldest month, with temperatures averaging a daily high of 28.6°F (-1.9°C) and a low of 18.7°F (-7.4°C). Weather in January »
Weather in February
The last month of the winter, February, is another freezing cold month in Mattawan, Michigan, with an average temperature fluctuating between 20.5°F (-6.4°C) and 31.6°F (-0.2°C). The shift into February reveals an average high-temperature of a still freezing cold 31.6°F (-0.2°C), closely mirroring January's climate. Weather in February »
Weather in March
March, the first month of the spring in Mattawan, is a frosty month, with an average temperature varying between 43.3°F (6.3°C) and 29.1°F (-1.6°C). March brings an increase in the average high-temperature, progressing from a subzero cold 31.6°F (-0.2°C) in February to a frosty 43.3°F (6.3°C). Weather in March »
Weather in April
April is a cool spring month in Mattawan, Michigan, with an average temperature fluctuating between 38.7°F (3.7°C) and 55°F (12.8°C). April comes with an increase, with the average high-temperature moving from a chilly 43.3°F (6.3°C) in March to a fresh 55°F (12.8°C). Weather in April »
Weather in May
May, the last month of the spring in Mattawan, is a refreshing month, with an average temperature varying between 67.1°F (19.5°C) and 49.6°F (9.8°C). The shift into May is accompanied by a temperature increase, with the average high-temperature rising from a cool 55°F (12.8°C) in April to a refreshing 67.1°F (19.5°C). Weather in May »
Weather in June
June, the first month of the summer in Mattawan, is a moderately hot month, with an average temperature varying between 58.3°F (14.6°C) and 74.8°F (23.8°C). June's arrival brings a modest temperature shift, moving from an enjoyable 67.1°F (19.5°C) in May to a moderately hot 74.8°F (23.8°C). Weather in June »
Weather in July
July, the same as June, is another warm summer month in Mattawan, Michigan, with temperature in the range of an average high of 79.7°F (26.5°C) and an average low of 61.7°F (16.5°C). The warmest period is July, when temperatures fluctuate between an average high of 79.7°F (26.5°C) and a low of 61.7°F (16.5°C). Weather in July »
Weather in August
The last month of the summer, August, is another warm month in Mattawan, Michigan, with temperature in the range of an average high of 78.4°F (25.8°C) and an average low of 60.4°F (15.8°C). The average high-temperature during August registers at a still moderately hot 78.4°F (25.8°C), maintaining a close resemblance to the previous month. Weather in August »
Weather in September
September, the first month of the autumn in Mattawan, is also an agreeable month, with an average temperature ranging between max 72.5°F (22.5°C) and min 54.5°F (12.5°C). A subtle shift in Mattawan's weather is observed as August turns into September, with the average high temperature reducing from a moderately hot 78.4°F (25.8°C) to a pleasant 72.5°F (22.5°C). Weather in September »
Weather in October
October, like September, is a moderate autumn month in Mattawan, Michigan, with an average temperature ranging between max 59.5°F (15.3°C) and min 44.8°F (7.1°C). As September transitions to October, the average high-temperature falls from a pleasant 72.5°F (22.5°C) to a refreshing 59.5°F (15.3°C). Weather in October »
Weather in November
The last month of the autumn, November, is also a frosty month in Mattawan, Michigan, with temperature in the range of an average high of 45.7°F (7.6°C) and an average low of 33.8°F (1°C). In Mattawan, the average high-temperature in November decreases from a refreshing 59.5°F (15.3°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 Mattawan, is also an icy month, with an average temperature ranging between max 34.7°F (1.5°C) and min 26.2°F (-3.2°C). With December's arrival, Mattawan sees a decrease in average high-temperatures, moving from a frosty 45.7°F (7.6°C) in November to an icy 34.7°F (1.5°C). Weather in December »
Updated: Aug 21, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the coldest months?
With an average high-temperature of 28.6°F (-1.9°C) and an average low-temperature of 18.7°F (-7.4°C), January is the coldest month.
What is the most humid month?
January is the most humid month, with an average relative humidity of 87%.
How much does it rain?
Throughout the year, there are 164 rainfall days, and 29.69" (754mm) of precipitation is accumulated.
When does it snow?
January through May, October through December are months with snowfall.
What is the snowiest month?
The month with the most snowfall is January, when snow falls for 19.6 days and typically aggregates up to 6.22" (158mm) of snow.
How many days does it snow?
Throughout the year, in Mattawan, there are 71.3 snowfall days, and 24.69" (627mm) of snow is accumulated.
What is the month with the least sunshine?
With an average of 2.8h of sunshine, January has the least sunshine of the year.
When is Daylight Saving Time (DST)?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, 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 is the least humid month?
The months with the lowest humidity are April and October, with an average relative humidity of 77%.
What is the rainiest month?
The month with the most rainfall is May, when the rain falls for 17.8 days and typically aggregates up to 3.31" (84mm) of precipitation.
When it does not snow?
June through September are months without snowfall.
When are the longest days?
The month with the longest days is June, with an average of 15h and 12min of daylight.
What part of the year is the hottest in Mattawan?
July is the month when Mattawan sees the average highest temperatures, with a high of 79.7°F (26.5°C) and a low of 61.7°F (16.5°C).
What month has the most sunshine?
The month with the most sunshine is July, with an average of 10.3h of sunshine.
What is the month with the highest UV index?
The month with the highest UV index is August, with an average maximum UV index of 6.
What is the driest month?
The month with the least rainfall is September, when the rain falls for 14.4 days and typically collects 1.73" (44mm) of precipitation.
What is the month with the shortest days?
The month with the shortest days is December, with an average of 9h and 12min of daylight.
What is the month with the lowest UV index?
With an average maximum UV index of 1, December is the month with the lowest UV index in Mattawan.
Average temperature
Mattawan, MI
The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (28.6°F).
The month with the highest average low temperature is July (61.7°F).
The coldest month (with the lowest average low temperature) is January (18.7°F).
Average pressure
Mattawan, MI
- Average pressure in January:
30.09"Hg - Average pressure in February:
30.08"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:
29.93"Hg
- Average pressure in July:
29.96"Hg - Average pressure in August:
29.98"Hg - Average pressure in September:
30.03"Hg - Average pressure in October:
30"Hg - Average pressure in November:
30.09"Hg - Average pressure in December:
30.08"Hg
The months with the highest atmospheric pressure are January, March and November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed
Mattawan, MI
- Average wind speed in January:
10.2mph - Average wind speed in February:
10mph - Average wind speed in March:
9.6mph - Average wind speed in April:
9.9mph - Average wind speed in May:
8.4mph - Average wind speed in June:
7.3mph
- Average wind speed in July:
6.3mph - Average wind speed in August:
6.3mph - Average wind speed in September:
7.2mph - Average wind speed in October:
8.9mph - Average wind speed in November:
9.8mph - Average wind speed in December:
9.7mph
The windiest month (with the highest average wind speed) is January (10.2mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).
Average humidity
Mattawan, MI
The month with the highest relative humidity is January (87%).
The months with the lowest relative humidity are April and October (77%).
Average rainfall
Mattawan, MI
- Average rainfall in January:
2.09" - Average rainfall in February:
1.93" - Average rainfall in March:
2.01" - Average rainfall in April:
3.27" - Average rainfall in May:
3.31" - Average rainfall in June:
3.23"
- Average rainfall in July:
2.83" - Average rainfall in August:
2.44" - Average rainfall in September:
1.73" - Average rainfall in October:
3.11" - Average rainfall in November:
1.77" - Average rainfall in December:
1.97"
The wettest month (with the highest rainfall) is May (3.31").
The driest month (with the least rainfall) is September (1.73").
Average rainfall days
Mattawan, MI
- Average rainfall days in January:
8.5 days - Average rainfall days in February:
6.9 days - Average rainfall days in March:
11.8 days - Average rainfall days in April:
17.1 days - Average rainfall days in May:
17.8 days - Average rainfall days in June:
15.9 days
- Average rainfall days in July:
17.4 days - Average rainfall days in August:
15.7 days - Average rainfall days in September:
14.4 days - Average rainfall days in October:
16.8 days - Average rainfall days in November:
12.1 days - Average rainfall days in December:
9.6 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is February (6.9 days).
Average snowfall
Mattawan, MI
- Average snowfall in January:
6.22" - Average snowfall in February:
5.91" - Average snowfall in March:
2.8" - Average snowfall in April:
2.05" - Average snowfall in May:
0.16" - Average snowfall in June:
0"
The month with the highest snowfall is January (6.22").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Mattawan, MI
- Average snowfall days in January:
19.6 days - Average snowfall days in February:
15.8 days - Average snowfall days in March:
8.3 days - Average snowfall days in April:
3.4 days - Average snowfall days in May:
0.2 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:
0.6 days - Average snowfall days in November:
7.7 days - Average snowfall days in December:
15.7 days
The month with the highest number of snowfall days is January (19.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Mattawan, MI
- Average daylight in January:
9h and 3min - Average daylight in February:
10h and 4min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 2min - Average daylight in May:
14h and 4min - Average daylight in June:
15h and 1min
- Average daylight in July:
14h and 5min - Average daylight in August:
13h and 5min - Average daylight in September:
12h and 3min - Average daylight in October:
11h and 1min - Average daylight in November:
9h and 5min - Average daylight in December:
9h and 1min
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).
- Average sunshine in January:
2h and 5min - Average sunshine in February:
3h and 4min - Average sunshine in March:
5h and 4min - Average sunshine in April:
6h and 4min - Average sunshine in May:
8h and 3min - Average sunshine in June:
9h and 5min
- Average sunshine in July:
10h and 2min - Average sunshine in August:
9h and 4min - Average sunshine in September:
8h and 1min - Average sunshine in October:
5h and 4min - Average sunshine in November:
4h and 2min - Average sunshine in December:
3h and 1min
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
Mattawan, MI
- Average sunshine days in January:
7.4 days - Average sunshine days in February:
7.3 days - Average sunshine days in March:
13.1 days - Average sunshine days in April:
9.6 days - Average sunshine days in May:
10.8 days - Average sunshine days in June:
10.6 days
- Average sunshine days in July:
11.3 days - Average sunshine days in August:
11.8 days - Average sunshine days in September:
13.5 days - Average sunshine days in October:
12.4 days - Average sunshine days in November:
12.2 days - Average sunshine days in December:
9.3 days
The month with the most sunshine days is September (13.5 days).
The month with the least sunshine days is February (7.3 days).
Average UV index
Mattawan, MI
The month with the highest UV index is August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover
Mattawan, MI
The month with the most cloud cover is January (Cloud cover 73).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility
Mattawan, MI
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is January (4mi).
Mattawan, Michigan, USA
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