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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 Hartley, Michigan, is a freezing cold winter month, with an average temperature ranging between min 9.7°F (-12.4°C) and max 19.2°F (-7.1°C). January, noted for its average high-temperature of 19.2°F (-7.1°C) and an average low-temperature of 9.7°F (-12.4°C), is considered the coldest month. Weather in January »
Weather in February
The last month of the winter, February, is another freezing cold month in Hartley, Michigan, with an average temperature fluctuating between 10.8°F (-11.8°C) and 22.1°F (-5.5°C). February's presence marks an average high-temperature of a still subzero cold 22.1°F (-5.5°C), subtly varied from January's 19.2°F (-7.1°C). Weather in February »
Weather in March
The first month of the spring, March, is a cold month in Hartley, Michigan, with an average temperature ranging between min 21.2°F (-6°C) and max 33.4°F (0.8°C). With the onset of March, the average high-temperature slightly shifts from February's freezing cold 22.1°F (-5.5°C) to a wintry 33.4°F (0.8°C). Weather in March »
Weather in April
April is a chilly spring month in Hartley, Michigan, with an average temperature ranging between min 30.9°F (-0.6°C) and max 45.3°F (7.4°C). A rise in the average high-temperature is observed during April, moving from a wintry 33.4°F (0.8°C) in March to a frosty 45.3°F (7.4°C). Weather in April »
Weather in May
The last month of the spring, May, is a refreshing month in Hartley, Michigan, with temperature in the range of an average low of 42.4°F (5.8°C) and an average high of 61.9°F (16.6°C). Hartley's weather in May is marked by a clear rise in the average high-temperature, moving up from April's frosty 45.3°F (7.4°C) to a comfortable 61.9°F (16.6°C). Weather in May »
Weather in June
The first month of the summer, June, is an agreeable month in Hartley, Michigan, with an average temperature ranging between max 71.2°F (21.8°C) and min 50.7°F (10.4°C). Hartley's June weather brings a rise in high-temperatures, moving from an enjoyable 61.9°F (16.6°C) in May to an agreeable 71.2°F (21.8°C). Weather in June »
Weather in July
July in Hartley, Michigan, is a moderately hot summer month, with an average temperature varying between 56.5°F (13.6°C) and 76.5°F (24.7°C). Hartley's warmest temperatures are experienced in July, with average high temperatures of 76.5°F (24.7°C) and lows of 56.5°F (13.6°C). Weather in July »
Weather in August
The last month of the summer, August, is another warm month in Hartley, Michigan, with an average temperature ranging between min 55.8°F (13.2°C) and max 74.1°F (23.4°C). Hartley experiences a minor change to a still moderately hot 74.1°F (23.4°C) in average high-temperature during August, closely reflecting July. Weather in August »
Weather in September
The first month of the autumn, September, is also an enjoyable month in Hartley, Michigan, with an average temperature fluctuating between 49.3°F (9.6°C) and 66.2°F (19°C). Hartley's transition into September involves a gentle shift in temperature, receding from a moderately hot 74.1°F (23.4°C) in August to a refreshing 66.2°F (19°C). Weather in September »
Weather in October
October, like September, in Hartley, Michigan, is another fresh autumn month, with an average temperature ranging between min 39°F (3.9°C) and max 50°F (10°C). October is characterized by a clear drop in the average high-temperature, falling from September's enjoyable 66.2°F (19°C) to a cool 50°F (10°C). Weather in October »
Weather in November
The last month of the autumn, November, is also an icy month in Hartley, Michigan, with temperature in the range of an average high of 36.5°F (2.5°C) and an average low of 27.1°F (-2.7°C). A shift in the average high-temperature occurs in November, reducing from a cool 50°F (10°C) in October to a wintry 36.5°F (2.5°C). Weather in November »
Weather in December
The first month of the winter, December, is still a freezing cold month in Hartley, Michigan, with an average temperature ranging between min 16.5°F (-8.6°C) and max 24.8°F (-4°C). As December arrives, Hartley's weather displays a decrease in high-temperatures, transitioning from November's wintry 36.5°F (2.5°C) to a subzero cold 24.8°F (-4°C). Weather in December »
Updated: Aug 22, 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?
January is Hartley's coldest month, registering average high temperatures of 19.2°F (-7.1°C) and lows of 9.7°F (-12.4°C).
What are the most humid months?
The months with the highest humidity are January and February, with an average relative humidity of 92%.
How much does it rain?
Throughout the year, there are 112.5 rainfall days, and 22.68" (576mm) of precipitation is accumulated.
When does it snow?
January through May, October through December are months with snowfall in Hartley.
How much does it snow in Hartley?
Throughout the year, there are 114.2 snowfall days, and 51.22" (1301mm) of snow is accumulated.
What is the month with the least sunshine?
January has the least sunshine of the year, with an average of 1.5h of sunshine.
When is the lowest UV index?
January through March, November and December, with an average maximum UV index of 1, are months with the lowest UV index.
What is the driest month?
February is the month with the least rainfall. Rain falls for 1.5 days and accumulates 1.06" (27mm) of precipitation.
When is Daylight Saving Time (DST)?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Hartley, and the time zone changes from CST to CDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from CDT to CST.
What is the rainiest month?
April is the month with the most rainfall in Hartley. Rain falls for 9.9 days and accumulates 2.52" (64mm) of precipitation.
What is the least humid month?
With an average relative humidity of 71%, May is the least humid month.
When it does not snow?
In Hartley, snow does not fall in June through September.
When are the longest days?
The month with the longest days is June, with an average of 15h and 42min of daylight.
What time of the year is the hottest in Hartley?
In Hartley, July registers the highest temperatures, averaging 76.5°F (24.7°C) at the peak and 56.5°F (13.6°C) at the lowest.
What month has the most sunshine?
July has the most sunshine of the year, with an average of 9.8h of sunshine.
What is the month with the highest UV index?
The month with the highest UV index is July, with an average maximum UV index of 6.
When does it snow the most?
December is the month with the most snowfall. Snow falls for 21.5 days and accumulates 10.63" (270mm) of snow.
What is the month with the shortest days?
With an average of 8h and 42min of daylight, December has the shortest days of the year.
Average temperature
Hartley, MI
The warmest month (with the highest average high temperature) is July (76.5°F).
The month with the lowest average high temperature is January (19.2°F).
The month with the highest average low temperature is July (56.5°F).
The coldest month (with the lowest average low temperature) is January (9.7°F).
Average pressure
Hartley, MI
- Average pressure in January:
30.07"Hg - Average pressure in February:
30.09"Hg - Average pressure in March:
30.09"Hg - Average pressure in April:
29.98"Hg - Average pressure in May:
29.97"Hg - Average pressure in June:
29.91"Hg
- Average pressure in July:
29.93"Hg - Average pressure in August:
29.94"Hg - Average pressure in September:
30"Hg - Average pressure in October:
29.96"Hg - Average pressure in November:
30.03"Hg - Average pressure in December:
30.06"Hg
The months with the highest atmospheric pressure are February and March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed
Hartley, MI
- Average wind speed in January:
9.6mph - Average wind speed in February:
9.2mph - Average wind speed in March:
8.4mph - Average wind speed in April:
8.5mph - Average wind speed in May:
7.6mph - Average wind speed in June:
7.1mph
- Average wind speed in July:
7.1mph - Average wind speed in August:
7.1mph - Average wind speed in September:
8mph - Average wind speed in October:
8.9mph - Average wind speed in November:
9.5mph - Average wind speed in December:
9.3mph
The windiest month (with the highest average wind speed) is January (9.6mph).
The calmest months (with the lowest average wind speed) are June, July and August (7.1mph).
Average humidity
Hartley, MI
The months with the highest relative humidity are January and February (92%).
The month with the lowest relative humidity is May (71%).
Average rainfall
Hartley, MI
- Average rainfall in January:
1.14" - Average rainfall in February:
1.06" - Average rainfall in March:
1.42" - Average rainfall in April:
2.52" - Average rainfall in May:
2.44" - Average rainfall in June:
2.4"
- Average rainfall in July:
2.32" - Average rainfall in August:
2.01" - Average rainfall in September:
1.93" - Average rainfall in October:
2.36" - Average rainfall in November:
1.46" - Average rainfall in December:
1.61"
The wettest month (with the highest rainfall) is April (2.52").
The driest month (with the least rainfall) is February (1.06").
Average rainfall days
Hartley, MI
- Average rainfall days in January:
2 days - Average rainfall days in February:
1.5 days - Average rainfall days in March:
6.9 days - Average rainfall days in April:
9.9 days - Average rainfall days in May:
14.3 days - Average rainfall days in June:
14.3 days
- Average rainfall days in July:
13.4 days - Average rainfall days in August:
14.4 days - Average rainfall days in September:
14 days - Average rainfall days in October:
12.5 days - Average rainfall days in November:
6.1 days - Average rainfall days in December:
3.2 days
The month with the highest number of rainy days is August (14.4 days).
The month with the least rainy days is February (1.5 days).
Average snowfall
Hartley, MI
The month with the highest snowfall is December (10.63").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Hartley, MI
- Average snowfall days in January:
23.3 days - Average snowfall days in February:
20.6 days - Average snowfall days in March:
15.4 days - Average snowfall days in April:
10.7 days - Average snowfall days in May:
1.7 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:
5.5 days - Average snowfall days in November:
15.5 days - Average snowfall days in December:
21.5 days
The month with the highest number of snowfall days is January (23.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Hartley, MI
- Average daylight in January:
9h and 1min - Average daylight in February:
10h and 2min - Average daylight in March:
11h and 5min - Average daylight in April:
13h and 4min - Average daylight in May:
15h and 0min - Average daylight in June:
15h and 4min
- Average daylight in July:
15h and 2min - Average daylight in August:
14h and 1min - Average daylight in September:
12h and 3min - Average daylight in October:
10h and 5min - Average daylight in November:
9h and 2min - Average daylight in December:
8h and 4min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in January:
1h and 3min - Average sunshine in February:
1h and 5min - Average sunshine in March:
3h and 5min - Average sunshine in April:
6h and 0min - Average sunshine in May:
8h and 1min - Average sunshine in June:
8h and 5min
- Average sunshine in July:
9h and 5min - Average sunshine in August:
9h and 1min - Average sunshine in September:
7h and 4min - Average sunshine in October:
4h and 0min - Average sunshine in November:
3h and 0min - Average sunshine in December:
1h and 4min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 1h and 30min).
Average sunshine days
Hartley, MI
- Average sunshine days in January:
7.4 days - Average sunshine days in February:
7.5 days - Average sunshine days in March:
11.3 days - Average sunshine days in April:
11.4 days - Average sunshine days in May:
13.8 days - Average sunshine days in June:
14.2 days
- Average sunshine days in July:
15.5 days - Average sunshine days in August:
14.6 days - Average sunshine days in September:
14.6 days - Average sunshine days in October:
13.5 days - Average sunshine days in November:
10.4 days - Average sunshine days in December:
8.5 days
The month with the most sunshine days is July (15.5 days).
The month with the least sunshine days is January (7.4 days).
Average UV index
Hartley, MI
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 1).
Average cloud cover
Hartley, MI
The month with the most cloud cover is January (Cloud cover 85).
The month with the least cloud cover is July (Cloud cover 35).
Average visibility
Hartley, MI
The months with the highest visibility are May, June, July, September and October (6mi).
The months with the lowest visibility are January and February (4mi).
Hartley, Michigan, USA
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