May weather forecast
Harrisville, WI

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Weather in May

May, the last month of the spring in Harrisville, is a comfortable month, with an average temperature fluctuating between 47.7°F (8.7°C) and 65.8°F (18.8°C).

Temperature

May comes with an increase, with the average high-temperature moving from a fresh 52.3°F (11.3°C) in April to a comfortable 65.8°F (18.8°C). Nighttime temperatures consistently average a chilly 47.7°F (8.7°C) during May.

Humidity

In May, the average relative humidity in Harrisville is 78%.

Rainfall

In Harrisville, during May, the rain falls for 18.6 days and regularly aggregates up to 3.58" (91mm) of precipitation. In Harrisville, Wisconsin, during the entire year, the rain falls for 146.3 days and collects up to 29.45" (748mm) of precipitation.

Snowfall

Months with snowfall in Harrisville are January through May, October through December. May is the last month it regularly snows. During 0.3 snowfall days, in May, Harrisville aggregates 0.04" (1mm) of snow. In Harrisville, during the entire year, snow falls for 61.9 days and aggregates up to 24.76" (629mm) of snow.

Daylight

In Harrisville, the average length of the day in May is 14h and 46min.
On the first day of May, sunrise is at 5:48 am and sunset at 8:01 pm. On the last day of the month, sunrise is at 5:18 am and sunset at 8:32 pm CDT.

Sunshine

In Harrisville, the average sunshine in May is 8.7h.

UV index

The average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the average person.
Note: A maximum high daily UV index of 5 during May translates into the following directions:
Put precautions into practice - Ensuring skin and eye safety is a necessity. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Harrisville in May?

The high-temperature in Harrisville, Wisconsin, during May is 65.8°F (18.8°C) and the low-temperature is 47.7°F (8.7°C).

What is the average humidity in May in Harrisville?

The average relative humidity in May in Harrisville, Wisconsin, is 78%.

How many days does it rain in May in Harrisville?

In May, in Harrisville, the rain falls for 18.6 days. Throughout May, 3.58" (91mm) of precipitation is accumulated.

What is the last month it snows in Harrisville?

May is the last month it regularly snows in Harrisville, Wisconsin. During 0.3 snowfall days, in May, Harrisville aggregates 0.04" (1mm) of snow.

What is the average length of the day in May in Harrisville?

The average day length in May in Harrisville, Wisconsin, is 14h and 46min.

When are sunrise and sunset in May in Harrisville?

In May, on the first day of the month, sunrise is at 5:48 am and sunset at 8:01 pm. On the last day of the month, in Harrisville, sunrise is at 5:18 am and sunset at 8:32 pm CDT.

How many hours of sunshine does Harrisville have in May?

In Harrisville, Wisconsin, the average sunshine duration in May is 8.7h.

What is the UV index reading in May in Harrisville?

In Harrisville, Wisconsin, the average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a medium health risk from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Harrisville, WI

Average temperature in May - Harrisville, WI
  • Average high temperature in May: 65.8°F

The warmest month (with the highest average high temperature) is July (78.3°F).
The month with the lowest average high temperature is January (22.3°F).

  • Average low temperature in May: 47.7°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 (10.4°F).

Average pressure in May
Harrisville, WI

Average pressure in May - Harrisville, WI
  • Average pressure in May: 29.96"Hg

The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed in May
Harrisville, WI

Average wind speed in May - Harrisville, WI
  • Average wind speed in May: 8.7mph

The windiest month (with the highest average wind speed) is April (10mph).
The calmest month (with the lowest average wind speed) is August (6.7mph).

Average humidity in May
Harrisville, WI

Average humidity in May - Harrisville, WI
  • Average humidity in May: 78%

The months with the highest relative humidity are January and February (89%).
The month with the lowest relative humidity is April (75%).

Average rainfall in May
Harrisville, WI

Average rainfall in May - Harrisville, WI
  • Average rainfall in May: 3.58"

The wettest month (with the highest rainfall) is June (3.94").
The driest month (with the least rainfall) is January (1.22").

Average rainfall days in May
Harrisville, WI

Average rainfall days in May - Harrisville, WI
  • Average rainfall days in May: 18.6 days

The month with the highest number of rainy days is May (18.6 days).
The month with the least rainy days is February (4.1 days).

Average snowfall in May
Harrisville, WI

Average snowfall in May - Harrisville, WI
  • Average snowfall in May: 0.04"

The month with the highest snowfall is February (6.42").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in May
Harrisville, WI

Average snowfall days in May - Harrisville, WI
  • Average snowfall days in May: 0.3 days

The month with the highest number of snowfall days is January (15 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in May /
Average sunshine in May
Harrisville, WI

Average daylight in May / Average sunshine in May - Harrisville, WI
  • Average daylight in May: 14h and 5min

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 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 18min).

Average sunshine days in May
Harrisville, WI

Average sunshine days in May - Harrisville, WI
  • Average sunshine days in May: 9.6 days

The month with the most sunshine days is October (15.3 days).
The month with the least sunshine days is June (8.6 days).

Average UV index in May
Harrisville, WI

Average UV index in May - Harrisville, WI
  • Average UV index in May: 5

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, November and December (UV index 1).

Average cloud cover in May
Harrisville, WI

Average cloud cover in May - Harrisville, WI
  • Average cloud cover in May: 42

The month with the most cloud cover is January (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 33).

Average visibility in May
Harrisville, WI

Average visibility in May - Harrisville, WI
  • Average visibility in May: 6mi

The months with the highest visibility are March, April, May, June, August, September, October and November (6mi).
The months with the lowest visibility are January, February, July and December (5mi).

Harrisville, Wisconsin, USA

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