Atlanta Weather in May

United States · Humid Subtropical climate · Data averaged from 2020-01-01 to 2024-12-31 (5 years)

Written by Maria Volkov · Edited by James Cooper · Last reviewed August 17, 2026
Avg High
26.0°C
78.8°F
Avg Low
15.3°C
59.5°F
Mean Temp
20.4°C
68.7°F
Rainfall
121.4 mm
16.0 rainy days
Sunshine
10.6 hrs
per day average
Humidity
69.7%
relative humidity
Wind
18.7 km/h
avg max wind
UV Index
—
not available
Snowfall
—
none

May in Atlanta sees average temperatures ranging from a low of 15.3°C (59.5°F) to a high of 26.0°C (78.8°F), with a mean of 20.4°C (68.7°F). Compared to the annual average of 16.7°C (62.1°F), this month is 3.7°C warmer than the yearly norm. Precipitation averages 121.4mm, making it approximately 14.0mm drier than the monthly average of 136.0mm. The city receives an average of 10.6 hours of sunshine per day during May, with relative humidity averaging 69.7%. Wind speeds reach an average maximum of 18.7 km/h. For travelers, this month offers a temperature experience in Atlanta, with drier-than-average conditions compared to the rest of the year.

Writer's Note — Maria Volkov on May

Atlanta's humid subtropical climate creates hot summers and mild winters. I've studied the data and found that the city's tree canopy provides some relief from the summer heat. The best time for visiting is March to May and September to November, when temperatures are comfortable and the city's parks and outdoor attractions are most enjoyable.

May vs Adjacent Months

MetricAprilMayJune
Mean Temp 15.7°C (60.3°F) 20.4°C (68.7°F) 24.5°C (76.1°F)
Rainfall 116.5mm 121.4mm 105.6mm
Sunshine 10.4 hrs 10.6 hrs 11.3 hrs
Humidity 65.3% 69.7% 69.6%
Wind 20.4 km/h 18.7 km/h 17.1 km/h
Rainy Days 12.6 16.0 19.2

Seasonal Context

May falls in Spring in the Northern Hemisphere. Spring is a transitional season with temperatures rising from winter lows. For travelers visiting Atlanta in May, the data indicates mixed conditions based on the combination of temperature, precipitation, and daylight hours.

Frequently Asked Questions

What is the average temperature in Atlanta in May?

The average temperature in Atlanta during May ranges from 15.3°C (59.5°F) to 26.0°C (78.8°F), with a mean of 20.4°C (68.7°F).

How much does it rain in Atlanta in May?

Atlanta receives an average of 121.4mm of precipitation in May, spread across approximately 16.0 rainy days.

What should I pack for Atlanta in May?

Based on May weather data, pack layers including light jackets and t-shirts, plus an umbrella. Rain gear is essential — this month averages 121.4mm of precipitation.

Is May a good time to visit Atlanta?

May is a month with challenging conditions. Plan activities carefully and stay hydrated.

Other Months for Atlanta

Cities with Similar May Climate (Humid Subtropical)

Data Source: Open-Meteo historical archive (2020-01-01 to 2024-12-31). Daily measurements aggregated into monthly climate normals. Coordinates: 33.75°, -84.39°. Timezone: America/New_York. Last updated: 2026-07-30.