June weather forecast
Janesville, WI

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Weather in June

June in Janesville, Wisconsin celebrates the arrival of summer accompanied by sun-drenched days and warmer temperatures. It's a joyous time for concerts in the park, outdoor dining, and a wealth of activities on the Rock River. This month lays claim to the highest amount of daylight, basking in around 15.3 hours, ensuring ample time for fun under the sun. June encourages a cheerful atmosphere, encapsulating a lively vibe that draws both locals and tourists alike to revel in the great outdoors of Janesville.

Temperature

The start of June brings a shift in the average high-temperature, increasing from May's enjoyable 67.1°F (19.5°C) to a moderately hot 76.1°F (24.5°C). Janesville, in June, witnesses an average low-temperature of 58.5°F (14.7°C).

Humidity

The average relative humidity in June is 82%.

Rainfall

The month with the most rainfall is June, when the rain falls for 16.3 days and typically aggregates up to 2.76" (70mm) of precipitation.

Snowfall

May through September are months without snowfall.

Daylight

June has the longest days of the year, with an average of 15h and 18min of daylight.
On the first day of the month, sunrise is at 5:20 am and sunset at 8:27 pm. On the last day of June, in Janesville, sunrise is at 5:21 am and sunset at 8:38 pm CDT.

Sunshine

In Janesville, the average sunshine in June is 9.4h.

UV index

The month with the highest UV index is June, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV rays for average individuals.
Note: A maximum high daily UV index of 6 during June translates into the following directions:
Eschew overexposure. Those with light skin may suffer burns in fewer than 20 minutes. Limit your direct sun exposure, especially between 10 a.m. and 4 p.m., when UV radiation is strongest. Shade structures might not provide complete sun protection. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.

Frequently asked questions

What are June temperatures?

The average high-temperature and low-temperature during June are 76.1°F (24.5°C) and 58.5°F (14.7°C) respectively.

What is the average humidity in June?

In Janesville, the average relative humidity in June is 82%.

What is the wettest month?

June is the month with the most rainfall. Rain falls for 16.3 days and accumulates 2.76" (70mm) of precipitation.

How many days does it rain in June?

In Janesville, in June, during 16.3 rainfall days, 2.76" (70mm) of precipitation is typically accumulated.

When it does not snow?

In Janesville, snow does not fall in May through September.

When are the longest days?

June has the longest days of the year, with an average of 15h and 18min of daylight.

How many hours of daylight does Janesville have in June?

In June, the average day length is 15h and 16min.

What time are sunrise and sunset in June?

On the first day of June, sunrise is at 5:20 am and sunset at 8:27 pm. On the last day of the month, sunrise is at 5:21 am and sunset at 8:38 pm CDT.

How long on average sun shines in June?

The average sunshine duration in June is 9.4h.

What is the month with the highest UV index?

With an average maximum UV index of 6, June is the month with the highest UV index.

What is the UV index reading in June?

In Janesville, the average daily maximum UV index in June is 6. A UV Index of 6 to 7 symbolizes a high health threat from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in June
Janesville, WI

Average temperature in June - Janesville, WI
  • Average high temperature in June: 76.1°F

The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (25°F).

  • Average low temperature in June: 58.5°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 (12.9°F).

Average pressure in June
Janesville, WI

Average pressure in June - Janesville, WI
  • Average pressure in June: 29.91"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 June
Janesville, WI

Average wind speed in June - Janesville, WI
  • Average wind speed in June: 7.5mph

The windiest month (with the highest average wind speed) is April (10.1mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).

Average humidity in June
Janesville, WI

Average humidity in June - Janesville, WI
  • Average humidity in June: 82%

The month with the highest relative humidity is January (87%).
The months with the lowest relative humidity are April and October (76%).

Average rainfall in June
Janesville, WI

Average rainfall in June - Janesville, WI
  • Average rainfall in June: 2.76"

The wettest month (with the highest rainfall) is June (2.76").
The driest months (with the least rainfall) are January and February (0.75").

Average rainfall days in June
Janesville, WI

Average rainfall days in June - Janesville, WI
  • Average rainfall days in June: 16.3 days

The month with the highest number of rainy days is June (16.3 days).
The month with the least rainy days is January (3.5 days).

Average snowfall in June
Janesville, WI

Average snowfall in June - Janesville, WI
  • Average snowfall in June: 0"

The month with the highest snowfall is January (2.83").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in June
Janesville, WI

Average snowfall days in June - Janesville, WI
  • Average snowfall days in June: 0 days

The month with the highest number of snowfall days is January (12.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in June /
Average sunshine in June
Janesville, WI

Average daylight in June / Average sunshine in June - Janesville, WI
  • Average daylight in June: 15h and 2min

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).

  • Average sunshine in June: 9h and 2min

The months with the most sunshine are July and August (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).

Average sunshine days in June
Janesville, WI

Average sunshine days in June - Janesville, WI
  • Average sunshine days in June: 10.9 days

The month with the most sunshine days is November (19.1 days).
The month with the least sunshine days is June (10.9 days).

Average UV index in June
Janesville, WI

Average UV index in June - Janesville, WI
  • Average UV index in June: 6

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

Average cloud cover in June
Janesville, WI

Average cloud cover in June - Janesville, WI
  • Average cloud cover in June: 37

The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is September (Cloud cover 34).

Average visibility in June
Janesville, WI

Average visibility in June - Janesville, WI
  • Average visibility in June: 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).

Janesville, Wisconsin, USA

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