Expand
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 Merrimac, Wisconsin, is a freezing cold winter month, with temperature in the range of an average low of 10°F (-12.2°C) and an average high of 22.5°F (-5.3°C). January, on average, is the coldest month, registering a high temperature of 22.5°F (-5.3°C) and a low of 10°F (-12.2°C). Weather in January »
Weather in February
February, the last month of the winter in Merrimac, is also a subzero cold month, with an average temperature ranging between min 13.5°F (-10.3°C) and max 26.2°F (-3.2°C). The transition into February reveals an average high-temperature of a still subzero cold 26.2°F (-3.2°C), mirroring a close resemblance to January. Weather in February »
Weather in March
The first month of the spring, March, is a cold month in Merrimac, Wisconsin, with an average temperature varying between 41°F (5°C) and 26.1°F (-3.3°C). A clear escalation in the average high-temperature is witnessed with the onset of March, advancing from a freezing cold 26.2°F (-3.2°C) in February to a cold 41°F (5°C). Weather in March »
Weather in April
April in Merrimac, Wisconsin, is a cool spring month, with an average temperature fluctuating between 53.2°F (11.8°C) and 36.5°F (2.5°C). The shift into April brings an increase in the average high-temperature, moving from a wintry 41°F (5°C) in March to a fresh 53.2°F (11.8°C). Weather in April »
Weather in May
May, the last month of the spring in Merrimac, is a comfortable month, with temperature in the range of an average low of 47.8°F (8.8°C) and an average high of 65.7°F (18.7°C). Merrimac's May weather brings a rise in high-temperatures, moving from a fresh 53.2°F (11.8°C) in April to a comfortable 65.7°F (18.7°C). Weather in May »
Weather in June
The first month of the summer, June, is a warm month in Merrimac, Wisconsin, with an average temperature ranging between max 74.7°F (23.7°C) and min 57°F (13.9°C). Merrimac's June weather brings a rise in high-temperatures, moving from a refreshing 65.7°F (18.7°C) in May to a moderately hot 74.7°F (23.7°C). Weather in June »
Weather in July
July, like June, in Merrimac, Wisconsin, is a moderately hot summer month, with an average temperature fluctuating between 79°F (26.1°C) and 61.3°F (16.3°C). The temperatures reach their highest averages in July, with highs of 79°F (26.1°C) and lows of 61.3°F (16.3°C). Weather in July »
Weather in August
The last month of the summer, August, is another warm month in Merrimac, Wisconsin, with temperature in the range of an average low of 59.2°F (15.1°C) and an average high of 77.5°F (25.3°C). July's transformation into August witnesses an average high-temperature of a still moderately hot 77.5°F (25.3°C), noting a minor change from the preceding month. Weather in August »
Weather in September
September, the first month of the autumn in Merrimac, is still a pleasant month, with an average temperature ranging between min 51.4°F (10.8°C) and max 70.9°F (21.6°C). September reveals a small adjustment in temperature, transitioning from an average high of a moderately hot 77.5°F (25.3°C) in August to a pleasant 70.9°F (21.6°C). Weather in September »
Weather in October
October, the same as September, in Merrimac, Wisconsin, is another mild autumn month, with temperature in the range of an average low of 41°F (5°C) and an average high of 56.5°F (13.6°C). The drop of average high-temperatures is noticeable in October, with a decrease from an agreeable 70.9°F (21.6°C) in September to a moderate 56.5°F (13.6°C). Weather in October »
Weather in November
November, the last month of the autumn in Merrimac, is another cold month, with an average temperature ranging between min 29.7°F (-1.3°C) and max 42.1°F (5.6°C). Merrimac in November sees a clear temperature decline, with average high-temperatures decreasing from a moderate 56.5°F (13.6°C) in October to a wintry 42.1°F (5.6°C). Weather in November »
Weather in December
The first month of the winter, December, is also a subzero cold month in Merrimac, Wisconsin, with an average temperature fluctuating between 28.9°F (-1.7°C) and 18.9°F (-7.3°C). During Merrimac's transition into December, the average high-temperature lessens, moving from an icy 42.1°F (5.6°C) in November to a subzero cold 28.9°F (-1.7°C). Weather in December »
Updated: Feb 14, 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 in Merrimac?
Merrimac, Wisconsin, reaches its average lowest temperatures in January, measuring 22.5°F (-5.3°C) at the peak and 10°F (-12.2°C) at the lowest.
What is the most humid month in Merrimac?
The months with the highest humidity in Merrimac are January and February, with an average relative humidity of 89%.
What is the driest month in Merrimac?
January is the month with the least rainfall. Rain falls for 2.6 days and accumulates 0.28" (7mm) of precipitation.
How much does it rain in Merrimac?
Throughout the year, there are 88.4 rainfall days, and 7.4" (188mm) of precipitation is accumulated.
When does it snow in Merrimac?
Months with snowfall in Merrimac, Wisconsin, are January through April, October through December.
When does it snow the most in Merrimac?
The month with the most snowfall in Merrimac, Wisconsin, is January, when snow falls for 9.8 days and typically aggregates up to 1.38" (35mm) of snow.
How much does it snow in Merrimac?
In Merrimac, during the entire year, snow falls for 40 days and aggregates up to 4.76" (121mm) of snow.
What is the month with the least sunshine in Merrimac?
January has the least sunshine of the year in Merrimac, with an average of 3.2h of sunshine.
When is the lowest UV index in Merrimac?
January, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Merrimac, Wisconsin.
When is Daylight Saving Time (DST) in Merrimac?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Merrimac, Wisconsin, 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 least humid month in Merrimac?
April and October, with an average relative humidity of 77%, are the least humid months in Merrimac.
When it does not snow in Merrimac?
May through September are months without snowfall in Merrimac.
When are the longest days in Merrimac?
With an average of 15h and 24min of daylight, June has the longest days of the year.
What are the months with the highest UV index in Merrimac?
The months with the highest UV index are June and July, with an average maximum UV index of 6.
What are the warmest months in Merrimac?
Merrimac reaches its average highest temperatures in July, measuring 79°F (26.1°C) at the peak and 61.3°F (16.3°C) at the lowest.
What is the wettest month in Merrimac?
The month with the most rainfall is July, when the rain falls for 10.7 days and typically aggregates up to 0.98" (25mm) of precipitation.
What month has the most sunshine in Merrimac?
With an average of 9.9h of sunshine, July has the most sunshine of the year.
What is the month with the shortest days in Merrimac?
December has the shortest days of the year in Merrimac, Wisconsin, with an average of 9h and 0min of daylight.
Average temperature
Merrimac, WI
The warmest month (with the highest average high temperature) is July (79°F).
The month with the lowest average high temperature is January (22.5°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 (10°F).
Average pressure
Merrimac, WI
- Average pressure in January:
30.11"Hg - Average pressure in February:
30.11"Hg - Average pressure in March:
30.09"Hg - Average pressure in April:
29.96"Hg - Average pressure in May:
29.96"Hg - Average pressure in June:
29.91"Hg
- Average pressure in July:
29.96"Hg - Average pressure in August:
29.96"Hg - Average pressure in September:
30.03"Hg - Average pressure in October:
29.99"Hg - Average pressure in November:
30.07"Hg - Average pressure in December:
30.09"Hg
The months with the highest atmospheric pressure are January and February (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed
Merrimac, WI
- Average wind speed in January:
9.5mph - Average wind speed in February:
9.5mph - Average wind speed in March:
9.3mph - Average wind speed in April:
9.8mph - Average wind speed in May:
8.5mph - Average wind speed in June:
7.5mph
- Average wind speed in July:
6.6mph - Average wind speed in August:
6.5mph - Average wind speed in September:
7.5mph - Average wind speed in October:
8.8mph - Average wind speed in November:
9.4mph - Average wind speed in December:
9.2mph
The windiest month (with the highest average wind speed) is April (9.8mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity
Merrimac, WI
The months with the highest relative humidity are January and February (89%).
The months with the lowest relative humidity are April and October (77%).
Average rainfall
Merrimac, WI
- Average rainfall in January:
0.28" - Average rainfall in February:
0.35" - Average rainfall in March:
0.39" - Average rainfall in April:
0.83" - Average rainfall in May:
0.87" - Average rainfall in June:
0.94"
- Average rainfall in July:
0.98" - Average rainfall in August:
0.55" - Average rainfall in September:
0.75" - Average rainfall in October:
0.79" - Average rainfall in November:
0.35" - Average rainfall in December:
0.31"
The wettest month (with the highest rainfall) is July (0.98").
The driest month (with the least rainfall) is January (0.28").
Average rainfall days
Merrimac, WI
- Average rainfall days in January:
2.6 days - Average rainfall days in February:
2.2 days - Average rainfall days in March:
7.3 days - Average rainfall days in April:
10.5 days - Average rainfall days in May:
11.8 days - Average rainfall days in June:
11.3 days
- Average rainfall days in July:
10.7 days - Average rainfall days in August:
9.3 days - Average rainfall days in September:
8.2 days - Average rainfall days in October:
7.5 days - Average rainfall days in November:
3.4 days - Average rainfall days in December:
3.6 days
The month with the highest number of rainy days is May (11.8 days).
The month with the least rainy days is February (2.2 days).
Average snowfall
Merrimac, WI
The month with the highest snowfall is January (1.38").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Merrimac, WI
- Average snowfall days in January:
9.8 days - Average snowfall days in February:
8.2 days - Average snowfall days in March:
5.7 days - Average snowfall days in April:
2.4 days - Average snowfall days in May:
0 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:
0.5 days - Average snowfall days in November:
4.5 days - Average snowfall days in December:
8.9 days
The month with the highest number of snowfall days is January (9.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Merrimac, WI
- Average daylight in January:
9h and 2min - Average daylight in February:
10h and 3min - 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 2min
- Average daylight in July:
15h and 0min - Average daylight in August:
13h and 5min - Average daylight in September:
12h and 3min - Average daylight in October:
11h and 0min - Average daylight in November:
9h and 4min - 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:
3h and 1min - Average sunshine in February:
3h and 2min - Average sunshine in March:
5h and 4min - Average sunshine in April:
7h and 1min - Average sunshine in May:
8h and 2min - Average sunshine in June:
9h and 2min
- Average sunshine in July:
9h and 5min - Average sunshine in August:
9h and 4min - Average sunshine in September:
8h and 4min - Average sunshine in October:
5h and 1min - Average sunshine in November:
4h and 5min - Average sunshine in December:
3h and 4min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).
Average sunshine days
Merrimac, WI
- Average sunshine days in January:
23.2 days - Average sunshine days in February:
20.1 days - Average sunshine days in March:
21.6 days - Average sunshine days in April:
16.4 days - Average sunshine days in May:
15.3 days - Average sunshine days in June:
13.8 days
- Average sunshine days in July:
15.8 days - Average sunshine days in August:
19 days - Average sunshine days in September:
19.9 days - Average sunshine days in October:
21.1 days - Average sunshine days in November:
21.8 days - Average sunshine days in December:
23 days
The month with the most sunshine days is January (23.2 days).
The month with the least sunshine days is June (13.8 days).
Average UV index
Merrimac, WI
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover
Merrimac, WI
The month with the most cloud cover is January (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility
Merrimac, WI
The months with the highest visibility are March, April, May, June, October, November and December (6mi).
The months with the lowest visibility are January, February, July, August and September (5mi).
Merrimac, Wisconsin, USA
Weather forecast for your location
1. Click Locate me button
2. Allow the app to use your location
2. Allow the app to use your location