Castalia
North Carolina, USA
Long-term weather forecast
Long-term weather forecast

June weather forecast and climate
Castalia, NC

The first month of the summer, June, is also a moderately hot month in Castalia, North Carolina, with average temperature fluctuating between 84.7°F (29.3°C) and 67.3°F (19.6°C).

Temperature

In June, the average high-temperature slightly increases, from 77.9°F (25.5°C) in May, to a still warm 84.7°F (29.3°C). In June, in Castalia, North Carolina, the average low-temperature is 67.3°F (19.6°C).

Heat index

The average heat index in June is estimated at a tropical 93.9°F (34.4°C). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.
Take into consideration that the heat index values are calculated for shade and light wind conditions. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like', 'real feel', 'apparent temperature', or 'felt air temperature', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. Additional factors like activity, pregnancy, wind, and clothing affect individual temperature impact. Be aware that direct exposure to sunlight increases heat impact, and may raise the heat index additionally, by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.

Humidity

In June, the average relative humidity is 75%.

Rainfall

In Castalia, during June, the rain falls for 15.3 days and regularly aggregates up to 3.15" (80mm) of precipitation. Throughout the year, in Castalia, North Carolina, there are 160.1 rainfall days, and 33.11" (841mm) of precipitation is accumulated.

Snowfall

In Castalia snow does not fall in April through November.

Daylight

With an average of 14.6h of daylight, June has the longest days of the year.

Sunshine

The month with the most sunshine is June, with an average of 10.6h of sunshine.

UV index

Months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high threat to health from unprotected exposure to the Sun's UV rays for the ordinary person.
Note: In June, the average maximum UV index of 6 translate into the following recommendations:
Take precautions and utilize sun safety practices. Protection against the skin and eye damage is required. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.

What is the temperature in June in Castalia?

In June, in Castalia, the average high-temperature is 84.7°F (29.3°C), and the average low-temperature is 67.3°F (19.6°C). The average heat index (a.k.a. 'feels like', 'apparent temperature'), that combines relative humidity and air temperature, in June is appraised at 93.9°F (34.4°C).

What is the average humidity in June in Castalia?

In Castalia, the average relative humidity in June is 75%.

How much does it rain in Castalia in June?

In June, in Castalia, the rain falls for 15.3 days. Throughout June, 3.15" (80mm) of precipitation is accumulated.

When it does not snow in Castalia?

In Castalia snow does not fall in April through November.

When are the longest days in Castalia?

The month with the longest days in Castalia, North Carolina, is June, with an average of 14.6h of daylight.

How many hours of daylight does Castalia have in June?

In June, the average length of the day in Castalia is 14.6h.

What month has the most sunshine in Castalia?

With an average of 10.6h of sunshine, June has the most sunshine of the year in Castalia, North Carolina.

How long on average sun shines in June in Castalia?

The average sunshine in June in Castalia, North Carolina, is 10.6h.

When is the highest UV index in Castalia?

Months with the highest UV index are May through August, with an average maximum UV index of 6.

What is the UV index intensity in June in Castalia?

In Castalia, North Carolina, the average daily maximum UV index in June is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from the exposure to the Sun's UV radiation.
Average temperature in June - Castalia, NC
  • Average high temperature in June: 84.7°F

The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is January (47.7°F).

  • Average low temperature in June: 67.3°F

The month with the highest average low temperature is July (70.7°F).
The coldest month (with the lowest average low temperature) is January (32.5°F).

Average humidity in June - Castalia, NC
  • Average humidity in June: 75%

The month with the highest relative humidity is September (78%).
Months with the lowest relative humidity are January, March, April and November (74%).

Average rainfall in June - Castalia, NC
  • Average rainfall in June: 3.15"

The wettest month (with the highest rainfall) is August (3.94").
The driest month (with the lowest rainfall) is October (2.13").

Average rainfall days in June - Castalia, NC
  • Average rainfall days in June: 15.3 days

The month with the highest number of rainy days is July (18.7 days).
The month with the lowest number of rainy days is November (8.6 days).

Average snowfall in June - Castalia, NC
  • Average snowfall in June: 0"

The month with the highest snowfall is January (1.54").
Months with the lowest snowfall are April, May, June, July, August, September, October and November (0").

Average snowfall days in June - Castalia, NC
  • Average snowfall days in June: 0 days

The month with the highest number of snowfall days is February (2 days).
Months with the lowest number of snowfall days are April, May, June, July, August, September and October (0 days).

Average daylight in June / Average sunshine in June - Castalia, NC
  • Average daylight in June: 14.6h

The month with the longest days is June (Average daylight: 14.6h).
The month with shortest days is December (Average daylight: 9.7h).

  • Average sunshine in June: 10.6h

The month with most sunshine is June (Average sunshine: 10.6h).
The month with least sunshine is December (Average sunshine: 5.4h).

Average UV index in June - Castalia, NC
  • Average UV index in June: 6

Months with the highest UV index are May, June, July and August (UV index 6).
The month with the lowest UV index is January (UV index 2).