May weather forecast
Castalian Springs, TN

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Weather in May

May, the last month of the spring in Castalian Springs, is a moderately hot month, with an average temperature fluctuating between 76.6°F (24.8°C) and 57.7°F (14.3°C).

Temperature

Castalian Springs's weather in May shows a minor rise in the average high-temperature, moving slightly up from April's pleasant 68°F (20°C) to a warm 76.6°F (24.8°C). In Castalian Springs, the average nighttime temperature during May is a mild 57.7°F (14.3°C).

Humidity

The months with the highest humidity in Castalian Springs are February, March, May, July and December, with an average relative humidity of 79%.

Rainfall

In Castalian Springs, in May, during 17.8 rainfall days, 3.82" (97mm) of precipitation is typically accumulated. Throughout the year, in Castalian Springs, there are 176.5 rainfall days, and 41.22" (1047mm) of precipitation is accumulated.

Snowfall

In Castalian Springs, snow does not fall in May through October.

Daylight

The average length of the day in May in Castalian Springs is 14h and 7min.
On the first day of the month, sunrise is at 5:50 am and sunset at 7:33 pm. On the last day of May, in Castalian Springs, Tennessee, sunrise is at 5:28 am and sunset at 7:57 pm CDT.

Sunshine

In Castalian Springs, the average sunshine in May is 9.1h.

UV index

The months with the highest UV index in Castalian Springs 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 unprotected exposure to Sun's UV rays for the ordinary person.
Note: The daily high UV index of 6 in May translates into this advice:
Enforce precautions and stick to sun safety measures. Preservation from skin and eye damage is essential. During the period from 10 a.m. to 4 p.m., UV radiation is highest. Try to avoid direct sunlight during these hours. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
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Frequently asked questions

What is the temperature in May in Castalian Springs?

The high-temperature in Castalian Springs, Tennessee, during May is 76.6°F (24.8°C) and the low-temperature is 57.7°F (14.3°C).

What are the most humid months in Castalian Springs?

February, March, May, July and December, with an average relative humidity of 79%, are most humid months in Castalian Springs.

What is the average humidity in May in Castalian Springs?

In May, the average relative humidity is 79%.

How many days does it rain in May in Castalian Springs?

In May, in Castalian Springs, the rain falls for 17.8 days. Throughout May, 3.82" (97mm) of precipitation is accumulated.

When it does not snow in Castalian Springs?

In Castalian Springs, Tennessee, snow does not fall in May through October.

Does it snow in Castalian Springs in May?

In May, in Castalian Springs, it doesn't snow. April is the latest month when it typically snows.

How many hours of daylight does Castalian Springs have in May?

In Castalian Springs, the average day length in May is 14h and 7min.

What time are sunrise and sunset in May in Castalian Springs?

In May, on the first day of the month, sunrise is at 5:50 am and sunset at 7:33 pm. On the last day of the month, in Castalian Springs, sunrise is at 5:28 am and sunset at 7:57 pm CDT.

How many hours of sunshine does Castalian Springs have in May?

In May, the average sunshine duration in Castalian Springs, Tennessee, is 9.1h.

What are the months with the highest UV index in Castalian Springs?

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

What is the UV index reading in May in Castalian Springs?

The average daily maximum UV index in May in Castalian Springs is 6. A UV Index value of 6 to 7 symbolizes 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 May
Castalian Springs, TN

Average temperature in May - Castalian Springs, TN
  • Average high temperature in May: 76.6°F

The warmest month (with the highest average high temperature) is July (86.7°F).
The month with the lowest average high temperature is January (42.8°F).

  • Average low temperature in May: 57.7°F

The month with the highest average low temperature is July (67.8°F).
The coldest month (with the lowest average low temperature) is January (28.9°F).

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Average pressure in May
Castalian Springs, TN

Average pressure in May - Castalian Springs, TN
  • Average pressure in May: 30"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).

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Average wind speed in May
Castalian Springs, TN

Average wind speed in May - Castalian Springs, TN
  • Average wind speed in May: 6.2mph

The windiest month (with the highest average wind speed) is February (8.2mph).
The calmest month (with the lowest average wind speed) is July (4.6mph).

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Average humidity in May
Castalian Springs, TN

Average humidity in May - Castalian Springs, TN
  • Average humidity in May: 79%

The months with the highest relative humidity are February, March, May, July and December (79%).
The month with the lowest relative humidity is October (75%).

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Average rainfall in May
Castalian Springs, TN

Average rainfall in May - Castalian Springs, TN
  • Average rainfall in May: 3.82"

The wettest month (with the highest rainfall) is July (5.2").
The driest month (with the least rainfall) is November (2.28").

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Average rainfall days in May
Castalian Springs, TN

Average rainfall days in May - Castalian Springs, TN
  • Average rainfall days in May: 17.8 days

The month with the highest number of rainy days is July (19.3 days).
The month with the least rainy days is November (10.3 days).

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Average snowfall in May
Castalian Springs, TN

Average snowfall in May - Castalian Springs, TN
  • Average snowfall in May: 0"

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

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Average snowfall days in May
Castalian Springs, TN

Average snowfall days in May - Castalian Springs, TN
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is January (5.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight in May /
Average sunshine in May
Castalian Springs, TN

Average daylight in May / Average sunshine in May - Castalian Springs, TN
  • Average daylight in May: 14h and 1min

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 42min).

  • Average sunshine in May: 9h and 1min

The months with the most sunshine are June and August (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).

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Average sunshine days in May
Castalian Springs, TN

Average sunshine days in May - Castalian Springs, TN
  • Average sunshine days in May: 11.2 days

The month with the most sunshine days is November (18.2 days).
The month with the least sunshine days is July (9.8 days).

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Average UV index in May
Castalian Springs, TN

Average UV index in May - Castalian Springs, TN
  • Average UV index in May: 6

The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).

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Average cloud cover in May
Castalian Springs, TN

Average cloud cover in May - Castalian Springs, TN
  • Average cloud cover in May: 40

The month with the most cloud cover is February (Cloud cover 56).
The month with the least cloud cover is June (Cloud cover 31).

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Average visibility in May
Castalian Springs, TN

Average visibility in May - Castalian Springs, TN
  • Average visibility in May: 5mi

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

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Castalian Springs, Tennessee, USA

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