May weather forecast
Savannah, GA

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A railway track through a well lit River Street in Savannah, Georgia
A railway track through a well lit River Street in Savannah, Georgia

Weather in May

May signifies the true arrival of summer in Savannah, Georgia. The most notable feature is the increase in temperature with the highest average temperature climbing up to 82.2°F (27.9°C). Sunshine hours are at their peak and daylight hours continue to increase, contributing to a consistent warming trend. It's a period of transition towards the true summer heat, but still accommodating enough for outdoor activities. Thus, May in Savannah, Georgia showcases a bright, warm city, ready for the summer.

Temperature

Savannah observes a slight ascent in average high-temperatures during May, adjusting from 75.7°F (24.3°C) in April to a still warm 82.2°F (27.9°C). In Savannah, May nights witness a steady temperature drop to a refreshing 67.1°F (19.5°C).

Heat index

May's heat index is evaluated at a hot 87.8°F (31°C). If one remains active during constant exposure, it might cause exhaustion and heat cramps.
In the scope of the heat index, its values resonate with shade and light wind conditions. Exposure to the direct sun could elevate the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', melds the effects of warmth and moisture to generate a feeling of heat. One's perception of temperature is subjective, varying based on their activity and individual heat perception, influenced by factors like wind, clothing, and metabolic variations. Being under direct sunshine can magnify the heat experience, possibly pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Children often fail to understand the importance of rest and rehydration. Thirst is a late manifestation of dehydration - hence, it is crucial to stay hydrated, especially during ongoing physical activities.

Humidity

In Savannah, the average relative humidity in May is 74%.

Rainfall

In Savannah, in May, during 13.6 rainfall days, 1.97" (50mm) of precipitation is typically accumulated. In Savannah, during the entire year, the rain falls for 155.6 days and collects up to 29.41" (747mm) of precipitation.

Snowfall

In Savannah, snow does not fall in February through November.

Ocean temperature

In May, the average ocean temperature in Savannah is 72.9°F (22.7°C).
Note: Individual preferences to cold, influenced by conditions such as sunshine, wind, and surrounding temperature, play a part in the comfort of swimming in 72.9°F (22.7°C) waters. (As an aside, Olympic swimming standards dictate water temperatures from 77°F (25°C) to 82.4°F (28°C).)

Daylight

The average length of the day in May in Savannah is 13h and 49min.
On the first day of the month, sunrise is at 6:37 am and sunset at 8:05 pm. On the last day of May, in Savannah, sunrise is at 6:18 am and sunset at 8:25 pm EDT.

Sunshine

In May, the average sunshine is 10.4h.

UV index

The months with the highest UV index are May through August, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for ordinary individuals.
Note: During May, 7 as the daily maximum UV index converts into the following advice:
Undertake protective measures and comply with sun safety rules. Shielding against skin and eye damage is essential. It's important to stay in the shade and limit exposure to the sun from 10 a.m. to 4 p.m., when UV radiation is most intense, although remember that shade structures may not provide full sun protection. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Heads up! Sand and water reflection magnifies the UV exposure from the Sun.
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Frequently asked questions

What are May temperatures in Savannah?

The average high-temperature and low-temperature in Savannah, Georgia, during May are 82.2°F (27.9°C) and 67.1°F (19.5°C) respectively. In May, the average heat index (a.k.a. 'real feel', 'feels like'), which calculates the temperature value influenced by the moisture in the air, is evaluated at 87.8°F (31°C).

What is the average humidity in May in Savannah?

In Savannah, Georgia, the average relative humidity in May is 74%.

How many days does it rain in May in Savannah?

In Savannah, Georgia, during May, the rain falls for 13.6 days and regularly aggregates up to 1.97" (50mm) of precipitation.

When it does not snow in Savannah?

February through November are months without snowfall in Savannah.

What is the water temperature in May in Savannah?

In Savannah, the average seawater temperature in May is 72.9°F (22.7°C). A person's cold intolerance, with sunshine, wind, and air temperature, are essential factors for enjoying swimming in 72.9°F (22.7°C) water.

What is the average length of the day in May in Savannah?

In May, the average day length is 13h and 49min.

When is the sunrise / sunset in May in Savannah?

In May, on the first day of the month, sunrise is at 6:37 am and sunset at 8:05 pm. On the last day of the month, sunrise is at 6:18 am and sunset at 8:25 pm EDT.

How many hours of sunshine does Savannah have in May?

In Savannah, the average sunshine duration in May is 10.4h.

What is the month with the highest UV index in Savannah?

The months with the highest UV index in Savannah are May through August, with an average maximum UV index of 7.

What is the UV index reading in May in Savannah?

In May, the average daily maximum UV index is 7. A UV Index reading of 6 to 7 represents 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 May
Savannah, GA

Average temperature in May - Savannah, GA
  • Average high temperature in May: 82.2°F

The warmest month (with the highest average high temperature) is July (90.5°F).
The month with the lowest average high temperature is January (58.1°F).

  • Average low temperature in May: 67.1°F

The months with the highest average low temperature are July and August (75.7°F).
The coldest month (with the lowest average low temperature) is January (43.7°F).

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Average pressure in May
Savannah, GA

Average pressure in May - Savannah, GA
  • Average pressure in May: 30.02"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The months with the lowest atmospheric pressure are June and August (29.98"Hg).

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Average wind speed in May
Savannah, GA

Average wind speed in May - Savannah, GA
  • Average wind speed in May: 7.2mph

The windiest month (with the highest average wind speed) is April (7.9mph).
The calmest month (with the lowest average wind speed) is August (6mph).

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Average humidity in May
Savannah, GA

Average humidity in May - Savannah, GA
  • Average humidity in May: 74%

The month with the highest relative humidity is December (77%).
The month with the lowest relative humidity is March (71%).

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Average rainfall in May
Savannah, GA

Average rainfall in May - Savannah, GA
  • Average rainfall in May: 1.97"

The wettest month (with the highest rainfall) is August (4.33").
The driest month (with the least rainfall) is January (1.38").

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Average rainfall days in May
Savannah, GA

Average rainfall days in May - Savannah, GA
  • Average rainfall days in May: 13.6 days

The month with the highest number of rainy days is August (21.3 days).
The month with the least rainy days is November (7.3 days).

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Average snowfall in May
Savannah, GA

Average snowfall in May - Savannah, GA
  • Average snowfall in May: 0"

The months with the highest snowfall are January and December (0.04").
The months with the least snowfall are February, March, April, May, June, July, August, September, October and November (0").

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Average snowfall days in May
Savannah, GA

Average snowfall days in May - Savannah, GA
  • Average snowfall days in May: 0 days

The months with the highest number of snowfall days are January, February and December (0.1 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).

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Average sea temperature in May
Savannah, GA

Average sea temperature in May - Savannah, GA
  • Average sea temperature in May: 72.9°F

The best month for swimming (with the highest average sea temperature) is August (83.7°F).
The coldest month (with the lowest average sea temperature) is February (56.6°F).

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Average daylight in May /
Average sunshine in May
Savannah, GA

Average daylight in May / Average sunshine in May - Savannah, GA
  • Average daylight in May: 13h and 5min

The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).

  • Average sunshine in May: 10h and 2min

The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).

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Average sunshine days in May
Savannah, GA

Average sunshine days in May - Savannah, GA
  • Average sunshine days in May: 15.4 days

The month with the most sunshine days is November (20.6 days).
The month with the least sunshine days is August (8.5 days).

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Average UV index in May
Savannah, GA

Average UV index in May - Savannah, GA
  • Average UV index in May: 7

The months with the highest UV index are May, June, July and August (UV index 7).
The month with the lowest UV index is January (UV index 3).

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Average cloud cover in May
Savannah, GA

Average cloud cover in May - Savannah, GA
  • Average cloud cover in May: 29

The months with the most cloud cover are February and December (Cloud cover 40).
The month with the least cloud cover is July (Cloud cover 26).

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Average visibility in May
Savannah, GA

Average visibility in May - Savannah, GA
  • Average visibility in May: 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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Savannah, Georgia, USA

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