Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average snowfall in May
- Average snowfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
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). Merrimac, during May, witnesses an average low-temperature of 47.8°F (8.8°C).Humidity
In Merrimac, Wisconsin, the average relative humidity in May is 80%.Rainfall
In Merrimac, in May, during 11.8 rainfall days, 0.87" (22mm) of precipitation is typically accumulated. Throughout the year, there are 88.4 rainfall days, and 7.4" (188mm) of precipitation is accumulated.Snowfall
May through September are months without snowfall.Daylight
In Merrimac, the average length of the day in May is 14h and 43min.On the first day of May, sunrise is at 5:50 am and sunset at 8:00 pm. On the last day of the month, sunrise is at 5:20 am and sunset at 8:31 pm CDT.
Sunshine
The average sunshine in May in Merrimac, Wisconsin, is 8.4h.UV index
In Merrimac, the average daily maximum UV index in May is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the average person.Note: A daily high UV index of 4 in May leads to these guidelines:
Make use of precautions - It is urged to ward off sun damage. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Stay sun-safe with clothing that is both closely woven and worn loosely.
Frequently asked questions
What are May temperatures in Merrimac?
What is the average humidity in May in Merrimac?
How much does it rain in Merrimac in May?
When it does not snow in Merrimac?
Does it snow in Merrimac in May?
How many hours of daylight does Merrimac have in May?
When is the sunrise / sunset in May in Merrimac?
How many hours of sunshine does Merrimac have in May?
What is the UV index reading in May in Merrimac?
Average temperature in May
Merrimac, WI
- Average high temperature in May: 65.7°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 May: 47.8°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 May
Merrimac, WI
- Average pressure in May: 29.96"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 May
Merrimac, WI
- Average wind speed in May: 8.5mph
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 May
Merrimac, WI
- Average humidity in May: 80%
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 May
Merrimac, WI
- Average rainfall in May: 0.87"
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 May
Merrimac, WI
- Average rainfall days in May: 11.8 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 May
Merrimac, WI
- Average snowfall in May: 0"
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 May
Merrimac, WI
- Average snowfall days in May: 0 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 May /
Average sunshine in May
Merrimac, WI
- Average daylight in May: 14h and 4min
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 May: 8h and 2min
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 May
Merrimac, WI
- Average sunshine days in May: 15.3 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 May
Merrimac, WI
- Average UV index in May: 4
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 May
Merrimac, WI
- Average cloud cover in May: 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 May
Merrimac, WI
- Average visibility in May: 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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