Contents
- Weather in October
- Frequently asked questions
- Average temperature in October
- Average pressure in October
- Average wind speed in October
- Average humidity in October
- Average rainfall in October
- Average rainfall days in October
- Average snowfall in October
- Average snowfall days in October
- Average daylight in October
- Average sunshine in October
- Average sunshine days in October
- Average UV index in October
- Average cloud cover in October
- Average visibility in October
Weather in October
Temperature
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). During October, Merrimac observes a consistent average nighttime temperature of 41°F (5°C).Humidity
The months with the lowest humidity are April and October, with an average relative humidity of 77%.Rainfall
In Merrimac, during October, the rain falls for 7.5 days and regularly aggregates up to 0.79" (20mm) of precipitation. Throughout the year, in Merrimac, Wisconsin, there are 88.4 rainfall days, and 7.4" (188mm) of precipitation is accumulated.Snowfall
Months with snowfall in Merrimac are January through April, October through December. October is the first month it typically snows. Throughout October, in the average 0.5 snowfall days, it receives 0.24" (6mm) of snow. Throughout the year, in Merrimac, there are 40 snowfall days, and 4.76" (121mm) of snow is accumulated.Daylight
In October, the average length of the day in Merrimac is 11h and 1min.On the first day of October, sunrise is at 6:56 am and sunset at 6:39 pm. On the last day of the month, sunrise is at 7:33 am and sunset at 5:50 pm CDT.
Sunshine
The average sunshine in October in Merrimac, Wisconsin, is 5.1h.UV index
In October, the average daily maximum UV index in Merrimac is 2. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for average individuals.Note: The maximum UV index of 2 during October leads to these instructions:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are October temperatures in Merrimac?
What are the least humid months in Merrimac?
What is the average humidity in October in Merrimac?
How many days does it rain in October in Merrimac?
When does it start to snow in Merrimac?
What is the average length of the day in October in Merrimac?
When is the sunrise / sunset in October in Merrimac?
How long on average sun shines in October in Merrimac?
What is the UV index reading in October in Merrimac?
Average temperature in October
Merrimac, WI
- Average high temperature in October: 56.5°F
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).
- Average low temperature in October: 41°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 in October
Merrimac, WI
- Average pressure in October: 29.99"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 in October
Merrimac, WI
- Average wind speed in October: 8.8mph
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 in October
Merrimac, WI
- Average humidity in October: 77%
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 in October
Merrimac, WI
- Average rainfall in October: 0.79"
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 in October
Merrimac, WI
- Average rainfall days in October: 7.5 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 in October
Merrimac, WI
- Average snowfall in October: 0.24"
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 in October
Merrimac, WI
- Average snowfall days in October: 0.5 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 in October /
Average sunshine in October
Merrimac, WI
- Average daylight in October: 11h 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 October: 5h and 1min
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 in October
Merrimac, WI
- Average sunshine days in October: 21.1 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 in October
Merrimac, WI
- Average UV index in October: 2
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 in October
Merrimac, WI
- Average cloud cover in October: 44
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 in October
Merrimac, WI
- Average visibility in October: 6mi
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
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