June weather forecast
Castalia, NC

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Weather in June

The first month of the summer, June, is still a warm month in Castalia, North Carolina, with temperature in the range of an average low of 67.3°F (19.6°C) and an average high of 84.7°F (29.3°C).

Temperature

The beginning of June marks a minor shift in the average high-temperature, moving from May's 77.9°F (25.5°C) to a still warm 84.7°F (29.3°C). Castalia's June nights cool down to an average low-temperature of 67.3°F (19.6°C).

Heat index

Throughout June, the heat index is estimated at a tropical 93.2°F (34°C). Preventive measures are required to mitigate the risk of heat cramps and heat exhaustion. Continuous activity may precipitate heatstroke.
Heat index's context suggests values are appropriate for shady areas and slight breezes. Direct exposure to sunshine could lead to a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', comes about by integrating the temperature readings with the humidity levels. This impact is subjective, influenced by the person's physical activity and individual heat perception, affected by factors including wind, attire, and metabolic differences. Considering the impact of direct sunlight, it's possible for the heat index to surge by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it's vital to remain hydrated, particularly during prolonged physical activities.

Humidity

In June, the average relative humidity is 75%.

Rainfall

In Castalia, in June, it is raining for 15.3 days, with typically 3.15" (80mm) of accumulated precipitation. In Castalia, North Carolina, during the entire year, the rain falls for 160.1 days and collects up to 33.11" (841mm) of precipitation.

Snowfall

In Castalia, North Carolina, snow does not fall in April through November.

Daylight

The month with the longest days in Castalia is June, with an average of 14h and 36min of daylight.
On the first day of June in Castalia, North Carolina, sunrise is at 5:56 am and sunset at 8:24 pm. On the last day of the month, sunrise is at 5:58 am and sunset at 8:33 pm EDT.

Sunshine

June has the most sunshine of the year in Castalia, with an average of 10.6h of sunshine.

UV index

The months with the highest UV index in Castalia are May through August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for average individuals.
Note: The maximum UV index of 6 during June translates into these guidelines:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. Between 10 a.m. and 4 p.m., the Sun's UV radiation is at its peak. Limit your exposure to direct sunlight during these hours. Boost your sun resistance with garments that are densely woven yet spacious.
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Frequently asked questions

How hot does it get in Castalia in June?

During June, Castalia experiences an average high-temperature of 84.7°F (29.3°C) and a low-temperature of 67.3°F (19.6°C). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which combines relative humidity and air temperature, in June is estimated at 93.2°F (34°C).

What is the average humidity in June in Castalia?

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

How many days does it rain in June in Castalia?

In June, 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 is June, with an average of 14h and 36min of daylight.

What is the average length of the day in June in Castalia?

The average day length in June in Castalia, North Carolina, is 14h and 34min.

When is the sunrise / sunset in June in Castalia?

In June, on the first day of the month, sunrise is at 5:56 am and sunset at 8:24 pm. On the last day of the month, in Castalia, sunrise is at 5:58 am and sunset at 8:33 pm EDT.

What month has the most sunshine in Castalia?

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

How many hours of sunshine does Castalia have in June?

In June, the average sunshine duration in Castalia, North Carolina, is 10.6h.

When is the highest UV index in Castalia?

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

What is the UV index reading in June in Castalia?

In Castalia, the average daily maximum UV index in June is 6. A UV Index estimate of 6 to 7 represents a high hazard to health from 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
Castalia, NC

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).

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Average pressure in June
Castalia, NC

Average pressure in June - Castalia, NC
  • Average pressure in June: 29.96"Hg

The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).

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Average wind speed in June
Castalia, NC

Average wind speed in June - Castalia, NC
  • Average wind speed in June: 6.5mph

The windiest month (with the highest average wind speed) is April (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).

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Average humidity in June
Castalia, NC

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

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

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Average rainfall in June
Castalia, NC

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 least rainfall) is October (2.13").

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Average rainfall days in June
Castalia, NC

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 least rainy days is November (8.6 days).

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Average snowfall in June
Castalia, NC

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

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

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Average snowfall days in June
Castalia, NC

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).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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Average daylight in June /
Average sunshine in June
Castalia, NC

Average daylight in June / Average sunshine in June - Castalia, NC
  • Average daylight in June: 14h and 4min

The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 48min).

  • Average sunshine in June: 10h and 4min

The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).

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Average sunshine days in June
Castalia, NC

Average sunshine days in June - Castalia, NC
  • Average sunshine days in June: 12.5 days

The month with the most sunshine days is October (20 days).
The month with the least sunshine days is July (9.8 days).

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Average UV index in June
Castalia, NC

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

The 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).

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Average cloud cover in June
Castalia, NC

Average cloud cover in June - Castalia, NC
  • Average cloud cover in June: 32

The months with the most cloud cover are February and March (Cloud cover 43).
The month with the least cloud cover is June (Cloud cover 32).

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Average visibility in June
Castalia, NC

Average visibility in June - Castalia, NC
  • Average visibility in June: 6mi

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

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Castalia, North Carolina, USA

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