May weather forecast
Janesville, MN

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Weather in May

May, the last month of the spring in Janesville, is a refreshing month, with an average temperature varying between 66.9°F (19.4°C) and 50.4°F (10.2°C).

Temperature

May brings a temperature change, with average high-temperatures moving from April's cool 54.3°F (12.4°C) to a comfortable 66.9°F (19.4°C). Janesville, during the nights of May, experiences an average temperature drop to a cool 50.4°F (10.2°C).

Humidity

In Janesville, the average relative humidity in May is 71%.

Rainfall

In Janesville, in May, it is raining for 16 days, with typically 3.15" (80mm) of accumulated precipitation. Throughout the year, there are 124.8 rainfall days, and 24.25" (616mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.5 snowfall days, in May, Janesville aggregates 0.35" (9mm) of snow. Throughout the year, there are 56.3 snowfall days, and 24.29" (617mm) of snow is accumulated.

Daylight

In May, the average length of the day is 14h and 47min.
On the first day of the month, sunrise is at 6:04 am and sunset at 8:18 pm. On the last day of May, sunrise is at 5:34 am and sunset at 8:50 pm CDT.

Sunshine

The average sunshine in May is 8.7h.

UV index

In May, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.
Note: The average daily UV index of 5 in May transforms into the following instructions:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.

Frequently asked questions

What are May temperatures?

May temperatures vary between a high-temperature of 66.9°F (19.4°C) and a low-temperature of 50.4°F (10.2°C).

What is the average humidity in May?

The average relative humidity in May is 71%.

How many days does it rain in May?

In Janesville, Minnesota, in May, it is raining for 16 days, with typically 3.15" (80mm) of accumulated precipitation.

What is the last month it snows?

May is the last month it regularly snows in Janesville. During 0.5 snowfall days, in May, Janesville aggregates 0.35" (9mm) of snow.

How many hours of daylight does Janesville have in May?

The average day length in May is 14h and 47min.

When is the sunrise / sunset in May?

On the first day of May, sunrise is at 6:04 am and sunset at 8:18 pm. On the last day of the month, sunrise is at 5:34 am and sunset at 8:50 pm CDT.

How long on average sun shines in May?

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

What is the UV index reading in May?

In Janesville, the average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a moderate vulnerability from unprotected exposure to UV radiation.
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
Janesville, MN

Average temperature in May - Janesville, MN
  • Average high temperature in May: 66.9°F

The warmest month (with the highest average high temperature) is July (80.1°F).
The month with the lowest average high temperature is January (21.2°F).

  • Average low temperature in May: 50.4°F

The month with the highest average low temperature is July (62.4°F).
The coldest month (with the lowest average low temperature) is January (7.7°F).

Average pressure in May
Janesville, MN

Average pressure in May - Janesville, MN
  • Average pressure in May: 29.93"Hg

The months with the highest atmospheric pressure are January and February (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).

Average wind speed in May
Janesville, MN

Average wind speed in May - Janesville, MN
  • Average wind speed in May: 8.8mph

The windiest month (with the highest average wind speed) is April (10mph).
The calmest month (with the lowest average wind speed) is July (7.2mph).

Average humidity in May
Janesville, MN

Average humidity in May - Janesville, MN
  • Average humidity in May: 71%

The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is October (70%).

Average rainfall in May
Janesville, MN

Average rainfall in May - Janesville, MN
  • Average rainfall in May: 3.15"

The wettest month (with the highest rainfall) is June (3.9").
The driest month (with the least rainfall) is January (0.75").

Average rainfall days in May
Janesville, MN

Average rainfall days in May - Janesville, MN
  • Average rainfall days in May: 16 days

The month with the highest number of rainy days is June (17.5 days).
The month with the least rainy days is February (1.7 days).

Average snowfall in May
Janesville, MN

Average snowfall in May - Janesville, MN
  • Average snowfall in May: 0.35"

The month with the highest snowfall is February (6.26").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in May
Janesville, MN

Average snowfall days in May - Janesville, MN
  • Average snowfall days in May: 0.5 days

The month with the highest number of snowfall days is January (13.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in May /
Average sunshine in May
Janesville, MN

Average daylight in May / Average sunshine in May - Janesville, MN
  • 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: 8h and 54min).

  • Average sunshine in May: 8h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).

Average sunshine days in May
Janesville, MN

Average sunshine days in May - Janesville, MN
  • Average sunshine days in May: 13.1 days

The month with the most sunshine days is November (19.3 days).
The month with the least sunshine days is June (10.9 days).

Average UV index in May
Janesville, MN

Average UV index in May - Janesville, MN
  • Average UV index in May: 5

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

Average cloud cover in May
Janesville, MN

Average cloud cover in May - Janesville, MN
  • Average cloud cover in May: 42

The month with the most cloud cover is January (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 31).

Average visibility in May
Janesville, MN

Average visibility in May - Janesville, MN
  • Average visibility in May: 6mi

The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is January (4mi).

Janesville, Minnesota, USA

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