June weather forecast
Castine, ME

Share

Weather in June

The first month of the summer, June, is a comfortable month in Castine, Maine, with an average temperature ranging between max 66.7°F (19.3°C) and min 50.7°F (10.4°C).

Temperature

As Castine transitions into June, a marginal rise in the average high-temperature is observed, moving from 59.7°F (15.4°C) in May to a still refreshing 66.7°F (19.3°C). Throughout June, a steady low-temperature average of 50.7°F (10.4°C) is noted.

Humidity

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

Rainfall

In Castine, in June, it is raining for 14.8 days, with typically 2.09" (53mm) of accumulated precipitation. In Castine, during the entire year, the rain falls for 141.1 days and collects up to 24.29" (617mm) of precipitation.

Snowfall

June through September are months without snowfall.

Ocean temperature

In Castine, the average seawater temperature in June is 50.5°F (10.3°C).
Note: Danger awaits those who swim in 50.5°F (10.3°C) without protection. Falling below 50°F (10°C) means intense cold shock and hyperventilation.

Daylight

With an average of 15h and 30min of daylight, June has the longest days of the year.
On the first day of the month, sunrise is at 4:53 am and sunset at 8:12 pm. On the last day of June, sunrise is at 4:54 am and sunset at 8:23 pm EDT.

Sunshine

In Castine, the average sunshine in June is 8.3h.

UV index

The months with the highest UV index are June through August, with an average maximum UV index of 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the average person.
Note: In June, the UV index of 5 transforms into the following advice:
Take precautions - Protection against skin and eye damage is obliged. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.

Frequently asked questions

What is the average June temperature?

Castine in June has an average high-temperature of 66.7°F (19.3°C) and an average low-temperature of 50.7°F (10.4°C).

What is the average humidity in June?

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

How much does it rain in June?

In Castine, in June, it is raining for 14.8 days, with typically 2.09" (53mm) of accumulated precipitation.

When it does not snow?

In Castine, snow does not fall in June through September.

Does it snow in June?

In June, it doesn't snow. May is the latest month when it typically snows.

What is the water temperature in June?

In Castine, in June, the average water temperature is 50.5°F (10.3°C). Swimming in 50.5°F (10.3°C) is considered dangerous. Unprotected immersion in temperatures below 50°F (10°C) causes quickly maximum intensity cold shock with hyperventilation.

When are the longest days?

With an average of 15h and 30min of daylight, June has the longest days of the year.

What is the average length of the day in June?

In June, the average day length is 15h and 29min.

When is the sunrise / sunset in June?

On the first day of June, sunrise is at 4:53 am and sunset at 8:12 pm. On the last day of the month, sunrise is at 4:54 am and sunset at 8:23 pm EDT.

How many hours of sunshine does Castine have in June?

In June, the average sunshine duration is 8.3h.

What is the month with the highest UV index?

June through August, with an average maximum UV index of 5, are months with the highest UV index.

What is the UV index intensity in June?

The average daily maximum UV index in June is 5. A UV Index of 3 to 5 symbolizes a moderate vulnerability from unprotected exposure to UV radiation.
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
Castine, ME

Average temperature in June - Castine, ME
  • Average high temperature in June: 66.7°F

The warmest months (with the highest average high temperature) are July and August (73.9°F).
The month with the lowest average high temperature is January (28.4°F).

  • Average low temperature in June: 50.7°F

The month with the highest average low temperature is July (57.7°F).
The coldest month (with the lowest average low temperature) is January (16.2°F).

Average pressure in June
Castine, ME

Average pressure in June - Castine, ME
  • Average pressure in June: 29.91"Hg

The month with the highest atmospheric pressure is September (30.04"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed in June
Castine, ME

Average wind speed in June - Castine, ME
  • Average wind speed in June: 7mph

The windiest month (with the highest average wind speed) is March (10.1mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).

Average humidity in June
Castine, ME

Average humidity in June - Castine, ME
  • Average humidity in June: 82%

The months with the highest relative humidity are February and July (83%).
The month with the lowest relative humidity is November (77%).

Average rainfall in June
Castine, ME

Average rainfall in June - Castine, ME
  • Average rainfall in June: 2.09"

The wettest month (with the highest rainfall) is December (2.72").
The driest months (with the least rainfall) are July and September (1.46").

Average rainfall days in June
Castine, ME

Average rainfall days in June - Castine, ME
  • Average rainfall days in June: 14.8 days

The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is February (7.1 days).

Average snowfall in June
Castine, ME

Average snowfall in June - Castine, ME
  • Average snowfall in June: 0"

The month with the highest snowfall is January (4.57").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in June
Castine, ME

Average snowfall days in June - Castine, ME
  • Average snowfall days in June: 0 days

The month with the highest number of snowfall days is January (10.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average sea temperature in June
Castine, ME

Average sea temperature in June - Castine, ME
  • Average sea temperature in June: 50.5°F

The best month for swimming (with the highest average sea temperature) is August (58.6°F).
The coldest month (with the lowest average sea temperature) is March (38.2°F).

Average daylight in June /
Average sunshine in June
Castine, ME

Average daylight in June / Average sunshine in June - Castine, ME
  • Average daylight in June: 15h and 3min

The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).

  • Average sunshine in June: 8h and 2min

The month with the most sunshine is August (Average sunshine: 9h and 54min).
The month with the least sunshine is February (Average sunshine: 4h and 18min).

Average sunshine days in June
Castine, ME

Average sunshine days in June - Castine, ME
  • Average sunshine days in June: 13.6 days

The month with the most sunshine days is September (17.9 days).
The month with the least sunshine days is April (11.7 days).

Average UV index in June
Castine, ME

Average UV index in June - Castine, ME
  • Average UV index in June: 5

The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 2).

Average cloud cover in June
Castine, ME

Average cloud cover in June - Castine, ME
  • Average cloud cover in June: 47

The month with the most cloud cover is March (Cloud cover 55).
The months with the least cloud cover are August and September (Cloud cover 37).

Average visibility in June
Castine, ME

Average visibility in June - Castine, ME
  • Average visibility in June: 5mi

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

Castine, Maine, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location