May weather forecast
Astoria, GA

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Weather in May

The last month of the spring, May, is also a moderately hot month in Astoria, Georgia, with an average temperature varying between 65.1°F (18.4°C) and 84.2°F (29°C).

Temperature

With the onset of May, Astoria experiences a subtle temperature shift, with the average high-temperature moving from a warm 78.4°F (25.8°C) in April to a still moderately hot 84.2°F (29°C). Throughout May, Astoria registers a consistent average low-temperature of 65.1°F (18.4°C).

Heat index

May's mean heat index is evaluated at a tropical 91.4°F (33°C). Undertake additional precautions, heat cramps and heat exhaustion could happen. Heatstroke could occur from sustained activity.
Take into consideration that the heat index values are calculated for shade and light wind conditions. The heat index could see an increase by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', combines air temperature and relative humidity to represent a human perceived temperature equivalent. The perception of temperature can be subjective, varying based on activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. When directly under the sun, the weather's impact can intensify, possibly boosting the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Kids are usually more vulnerable than adults, given their lesser sweating ability. Along with their larger skin surface relative to their small stature and the excess heat due to their activity, their risk is amplified.

Humidity

In Astoria, Georgia, the average relative humidity in May is 72%.

Rainfall

In Astoria, in May, it is raining for 12.3 days, with typically 1.26" (32mm) of accumulated precipitation. In Astoria, during the entire year, the rain falls for 139 days and collects up to 15.12" (384mm) of precipitation.

Daylight

In Astoria, the average length of the day in May is 13h and 45min.
On the first day of the month, sunrise is at 6:43 am and sunset at 8:08 pm. On the last day of May, sunrise is at 6:25 am and sunset at 8:28 pm EDT.

Sunshine

In May, the average sunshine is 10.3h.

UV index

The months with the highest UV index are May through August, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for the average person.
Note: The maximum UV index of 7 during May translates into these guidelines:
Refrain from overexposure. Fair-skinned individuals could burn in under 20 minutes. Avoid direct exposure to the Sun between 10 a.m. and 4 p.m., the peak period for UV radiation, noting that objects like parasols or canopies might not offer complete sun protection. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Updated: Jun 30, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is it in May?

In Astoria, 84.2°F (29°C) is the average high-temperature and 65.1°F (18.4°C) is the average low-temperature during May. In May, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which represents the influence of relative humidity on air temperature, is evaluated at 91.4°F (33°C).

What is the average humidity in May?

In Astoria, the average relative humidity in May is 72%.

How many days does it rain in May?

In Astoria, in May, during 12.3 rainfall days, 1.26" (32mm) of precipitation is typically accumulated.

How many hours of daylight does Astoria have in May?

In Astoria, the average day length in May is 13h and 45min.

When is the sunrise / sunset in May?

On the first day of May, sunrise is at 6:43 am and sunset at 8:08 pm. On the last day of the month, sunrise is at 6:25 am and sunset at 8:28 pm EDT.

How many hours of sunshine does Astoria have in May?

In Astoria, the average sunshine duration in May is 10.3h.

What is the month with the highest UV index?

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

How high is the UV index in May?

In May, the average daily maximum UV index is 7. A UV Index of 6 to 7 symbolizes a high health threat from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Astoria, GA

Average temperature in May - Astoria, GA
  • Average high temperature in May: 84.2°F

The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is January (59.5°F).

  • Average low temperature in May: 65.1°F

The month with the highest average low temperature is August (74.1°F).
The coldest month (with the lowest average low temperature) is January (42.4°F).

Average pressure in May
Astoria, GA

Average pressure in May - Astoria, GA
  • Average pressure in May: 30.01"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.98"Hg).

Average wind speed in May
Astoria, GA

Average wind speed in May - Astoria, GA
  • Average wind speed in May: 5.8mph

The windiest month (with the highest average wind speed) is April (6.6mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).

Average humidity in May
Astoria, GA

Average humidity in May - Astoria, GA
  • Average humidity in May: 72%

The month with the highest relative humidity is August (78%).
The month with the lowest relative humidity is January (71%).

Average rainfall in May
Astoria, GA

Average rainfall in May - Astoria, GA
  • Average rainfall in May: 1.26"

The wettest month (with the highest rainfall) is August (2.4").
The driest month (with the least rainfall) is January (0.55").

Average rainfall days in May
Astoria, GA

Average rainfall days in May - Astoria, GA
  • Average rainfall days in May: 12.3 days

The month with the highest number of rainy days is August (18.7 days).
The month with the least rainy days is November (6.2 days).

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

Average daylight in May / Average sunshine in May - Astoria, GA
  • Average daylight in May: 13h and 4min

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

  • Average sunshine in May: 10h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 5h and 36min).

Average sunshine days in May
Astoria, GA

Average sunshine days in May - Astoria, GA
  • Average sunshine days in May: 16.1 days

The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is August (7.8 days).

Average UV index in May
Astoria, GA

Average UV index in May - Astoria, 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).

Average cloud cover in May
Astoria, GA

Average cloud cover in May - Astoria, GA
  • Average cloud cover in May: 32

The month with the most cloud cover is December (Cloud cover 43).
The month with the least cloud cover is October (Cloud cover 30).

Average visibility in May
Astoria, GA

Average visibility in May - Astoria, 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).

Astoria, Georgia, USA

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