Climate and monthly weather forecastMerrill, MI
Climate and monthly weather forecast
Weather in January
January, the same as December, in Merrill, Michigan, is a freezing cold winter month, with temperature in the range of an average low of 16.2°F (-8.8°C) and an average high of 27°F (-2.8°C). Merrill notes the coldest temperatures in January, with a high average of 27°F (-2.8°C) and a low of 16.2°F (-8.8°C). Weather in January »Weather in February
The last month of the winter, February, is another freezing cold month in Merrill, Michigan, with an average temperature fluctuating between 29.5°F (-1.4°C) and 17.2°F (-8.2°C). February's arrival brings an average high-temperature of a still subzero cold 29.5°F (-1.4°C), demonstrating subtle variation from the preceding month. Weather in February »Weather in March
March, the first month of the spring in Merrill, is a cold month, with an average temperature ranging between max 40.6°F (4.8°C) and min 26.6°F (-3°C). The shift from February to March sees an increase in the average high-temperature, transitioning from a freezing cold 29.5°F (-1.4°C) to an icy 40.6°F (4.8°C). Weather in March »Weather in April
April in Merrill, Michigan, is a cool spring month, with an average temperature ranging between min 36.1°F (2.3°C) and max 52.5°F (11.4°C). An increase in the average high-temperature marks April, moving from March's icy 40.6°F (4.8°C) to a cool 52.5°F (11.4°C). Weather in April »Weather in May
The last month of the spring, May, is a refreshing month in Merrill, Michigan, with an average temperature ranging between min 47.5°F (8.6°C) and max 66.2°F (19°C). May comes with an increase, with the average high-temperature moving from a fresh 52.5°F (11.4°C) in April to a comfortable 66.2°F (19°C). Weather in May »Weather in June
The first month of the summer, June, is a moderately hot month in Merrill, Michigan, with an average temperature ranging between min 55.4°F (13°C) and max 73.9°F (23.3°C). The arrival of June signals a slight increase in the average high-temperature, moving from a comfortable 66.2°F (19°C) in May to a warm 73.9°F (23.3°C). Weather in June »Weather in July
July, the same as June, is a moderately hot summer month in Merrill, Michigan, with an average temperature ranging between min 60.6°F (15.9°C) and max 78.8°F (26°C). July is the month when Merrill's temperatures reach their peak, with averages of 78.8°F (26°C) and lows of 60.6°F (15.9°C). Weather in July »Weather in August
August, the last month of the summer in Merrill, is another warm month, with an average temperature ranging between min 59.4°F (15.2°C) and max 77.4°F (25.2°C). August's onset records a minor alteration in the average high-temperature to a still moderately hot 77.4°F (25.2°C) from July's 78.8°F (26°C). Weather in August »Weather in September
September, the first month of the autumn in Merrill, is still a pleasant month, with an average temperature varying between 52.3°F (11.3°C) and 70.9°F (21.6°C). September signals a slight drop in average high-temperature, sliding from August's warm 77.4°F (25.2°C) to an agreeable 70.9°F (21.6°C). Weather in September »Weather in October
October, the same as September, in Merrill, Michigan, is a moderate autumn month, with an average temperature ranging between min 43.5°F (6.4°C) and max 57.9°F (14.4°C). Merrill experiences a temperature shift at the start of October, with average high-temperatures adjusting from an agreeable 70.9°F (21.6°C) in September to a mild 57.9°F (14.4°C). Weather in October »Weather in November
The last month of the autumn, November, is also a frosty month in Merrill, Michigan, with an average temperature varying between 44.1°F (6.7°C) and 32.7°F (0.4°C). In November, the meteorological conditions alter, with the average high-temperature shifting from a refreshing 57.9°F (14.4°C) in October to a frosty 44.1°F (6.7°C). Weather in November »Weather in December
December, the first month of the winter in Merrill, is also a wintry month, with an average temperature varying between 32.9°F (0.5°C) and 24.4°F (-4.2°C). A moderate decline in the average high-temperature is seen during December, decreasing from a frosty 44.1°F (6.7°C) in November to a wintry 32.9°F (0.5°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Merrill, MI
The warmest month (with the highest average high temperature) is July (78.8°F).
The month with the lowest average high temperature is January (27°F).
The month with the highest average low temperature is July (60.6°F).
The coldest month (with the lowest average low temperature) is January (16.2°F).
Average pressure
Merrill, MI
- Average pressure in January:
30.06"Hg - Average pressure in February:
30.06"Hg - Average pressure in March:
30.09"Hg - Average pressure in April:
29.96"Hg - Average pressure in May:
29.98"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:
30.07"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
Merrill, MI
- Average wind speed in January:
9.6mph - Average wind speed in February:
9.8mph - Average wind speed in March:
9.3mph - Average wind speed in April:
9.8mph - Average wind speed in May:
8.3mph - Average wind speed in June:
7.3mph
- Average wind speed in July:
6.5mph - Average wind speed in August:
6.7mph - Average wind speed in September:
7.3mph - Average wind speed in October:
9mph - Average wind speed in November:
9.5mph - Average wind speed in December:
9.4mph
The windiest months (with the highest average wind speed) are February and April (9.8mph).
The calmest month (with the lowest average wind speed) is July (6.5mph).
Average humidity
Merrill, MI
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is April (75%).
Average rainfall
Merrill, MI
- Average rainfall in January:
1.57" - Average rainfall in February:
1.3" - Average rainfall in March:
1.38" - Average rainfall in April:
2.24" - Average rainfall in May:
2.72" - Average rainfall in June:
2.24"
- Average rainfall in July:
1.93" - Average rainfall in August:
2.09" - Average rainfall in September:
1.46" - Average rainfall in October:
2.52" - Average rainfall in November:
1.22" - Average rainfall in December:
1.46"
The wettest month (with the highest rainfall) is May (2.72").
The driest month (with the least rainfall) is November (1.22").
Average rainfall days
Merrill, MI
- Average rainfall days in January:
7.5 days - Average rainfall days in February:
5.7 days - Average rainfall days in March:
10.8 days - Average rainfall days in April:
14.6 days - Average rainfall days in May:
16.8 days - Average rainfall days in June:
14.1 days
- Average rainfall days in July:
15.3 days - Average rainfall days in August:
13.9 days - Average rainfall days in September:
11.2 days - Average rainfall days in October:
15.9 days - Average rainfall days in November:
9.5 days - Average rainfall days in December:
9.2 days
The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is February (5.7 days).
Average snowfall
Merrill, MI
The month with the highest snowfall is January (5.08").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Merrill, MI
- Average snowfall days in January:
18.9 days - Average snowfall days in February:
16.7 days - Average snowfall days in March:
9.1 days - Average snowfall days in April:
3.5 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:
0.3 days - Average snowfall days in November:
7.5 days - Average snowfall days in December:
15.2 days
The month with the highest number of snowfall days is January (18.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Merrill, 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 24min - Average daylight in May:
14h and 42min - Average daylight in June:
15h and 24min
- Average daylight in July:
15h and 0min - 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 48min - Average sunshine in February:
3h and 30min - Average sunshine in March:
5h and 24min - Average sunshine in April:
6h and 54min - Average sunshine in May:
8h and 36min - Average sunshine in June:
9h and 42min
- Average sunshine in July:
10h and 24min - Average sunshine in August:
9h and 42min - Average sunshine in September:
8h and 0min - Average sunshine in October:
5h and 18min - Average sunshine in November:
4h and 30min - Average sunshine in December:
3h and 18min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 2h and 48min).
Average sunshine days
Merrill, MI
- Average sunshine days in January:
9.5 days - Average sunshine days in February:
8.4 days - Average sunshine days in March:
13 days - Average sunshine days in April:
11.5 days - Average sunshine days in May:
12.4 days - Average sunshine days in June:
13.7 days
- Average sunshine days in July:
13.6 days - Average sunshine days in August:
14.2 days - Average sunshine days in September:
16.5 days - Average sunshine days in October:
12.6 days - Average sunshine days in November:
14.8 days - Average sunshine days in December:
10.6 days
The month with the most sunshine days is September (16.5 days).
The month with the least sunshine days is February (8.4 days).
Average UV index
Merrill, MI
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover
Merrill, MI
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
Merrill, MI
The months with the highest visibility are March, April, May, June, July, August, October and November (6mi).
The months with the lowest visibility are January, February, September and December (5mi).





