Griffin weather in May

In May, Griffin sees average daytime highs of 81°F and overnight lows near 61°F, with 3.0 in of rain across 8.9 wet days and about 13.7 hours of daylight. It is the 5th-warmest and 11th-wettest month of the year here.

Highs climb over the month, from about 78°F in the first days to 84°F by the end. The sky is clear or mostly clear about 34% of the time in May, and the air most often feels dry.

Daylight stretches from about 13 h 18 min at the start of May to 14 hours by month's end. Set against the rest of the year, May is Griffin's 5th-clearest and 8th-windiest month. For the whole year in context, see Griffin's year-round climate.

Daytime high
81°
5th warmest
Overnight low
61°
8th coldest
Rainfall
3.0 in
8.9 wet days
Daylight
13 h 42 min
5:42 AM – 7:25 PM
Cloud cover
55%
5th clearest
Wind
6 mph
8th windiest
Solar energy
6.16 kWh/m²
Travel score
6.5
out of 10

Griffin is county seat of Spalding County, Georgia, United States.

Density
638/km²
people per km²
Founded
1841

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 78°F in the first days to 84°F by the end.

A typical May day in Griffin reaches about 81°F in the afternoon and slips back to 61°F overnight — a 20°F spread between the day's warmth and the night's chill. On most days the high lands between 72°F and 88°F. Set against its neighbours, May runs about 7°F warmer than April and about 5°F cooler than June.

40°60°80°151015202531
Avg high (°F)Avg low (°F)
17756
27857
37857
47858
57858
67958
77958
87959
98059
108060
118060
128060
138060
148161
158161
168161
178162
188262
198262
208262
218263
228263
238364
248364
258364
268364
278365
288465
298465
308466
318466

How May really feels in Griffin

Once humidity and wind are folded in, May averages 0 days that feel above 90°F and 0 that feel at or below 32°F — the comfort signal a plain temperature reading hides.

Days feeling ≥ 90°F
0
heat index over the day's high
Days feeling ≤ 32°F
0
wind chill below the day's low

May sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Griffin weather by month

How May compares with the rest of the year at a glance. May is the 5th-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysDaylight (hours)Travel score
Jan55° / 36°4.09.8103.5
Feb58° / 39°4.39.210.84.4
Mar66° / 45°4.31011.76.1
Apr74° / 53°3.08.312.87.1
May81° / 61°3.08.913.76.5
Jun86° / 69°4.113.614.24.5
Jul89° / 72°4.315.4143.7
Aug88° / 71°4.113.813.24.1
Sep83° / 65°3.78.912.26.1
Oct74° / 54°2.96.911.27.5
Nov64° / 43°3.57.710.36.2
Dec56° / 38°4.29.69.84.0

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 34% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 19% of May, with mostly cloudy or overcast conditions the remaining 48%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15347
25446
35347
45446
55347
65347
75347
85347
95347
105347
115347
125347
135347
145347
155347
165347
175347
185446
195446
205347
215347
225347
235347
245248
255248
265248
275149
285050
294951
304951
314852

Chance of precipitation in May

Any precipitation

Griffin gets around 3.0 in of rain over 8.9 wet days in May. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 30% and peaks near 39% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)
128
228
328
428
528
628
728
828
928
1028
1128
1228
1328
1428
1528
1628
1728
1827
1928
2028
2128
2229
2329
2430
2531
2632
2734
2835
2936
3037
3139

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

Most of May feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, May lands in the dry band about 30% of days. Sticky, muggy-or-worse air turns up on roughly 22% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
152221970
250232080
348232080
446232190
5442322100
6432423110
7412423120
8402424130
9382424140
10372325150
11352326160
12342326170
13332327170
14322227180
15312228191
16302128201
17292129211
18282029211
19272029221
20262030232
21241930242
22231930252
23211931263
24201931283
25181831294
26171831304
27151831315
28141830335
29131730346
30121730357
31111629368

Wind in May

Winds average 6 mph in May.

Across May, daily wind ranges from about 5 mph on the calmest days to 6 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (mph)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm
315calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 13 h 18 min at the start of May to 14 hours by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 42 minutes over May. Sunrise moves from 5:55 AM to 5:34 AM, and sunset from 7:13 PM to 7:35 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.35:557:13
213.35:547:14
313.45:537:15
413.45:527:16
513.45:517:16
613.45:507:17
713.55:497:18
813.55:487:19
913.55:487:19
1013.65:477:20
1113.65:467:21
1213.65:457:22
1313.65:447:22
1413.75:437:23
1513.75:437:24
1613.75:427:25
1713.75:417:25
1813.85:417:26
1913.85:407:27
2013.85:397:28
2113.85:397:28
2213.85:387:29
2313.95:387:30
2413.95:377:30
2513.95:367:31
2613.95:367:32
2713.95:367:32
2814.05:357:33
2914.05:357:34
3014.05:347:34
3114.05:347:35

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 6.16 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 2.39 kWh/m² to a high of 6.16 kWh/m² in May across the year — May's 6.16 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.0Intense
26.0Intense
36.1Intense
46.1Intense
56.1Intense
66.1Intense
76.1Intense
86.2Intense
96.2Intense
106.2Intense
116.2Intense
126.2Intense
136.2Intense
146.2Intense
156.2Intense
166.2Intense
176.2Intense
186.2Intense
196.2Intense
206.2Intense
216.2Intense
226.2Intense
236.1Intense
246.1Intense
256.1Intense
266.1Intense
276.1Intense
286.1Intense
296.0Intense
306.0Intense
316.0Intense
Planning a trip in May

Is May a good time to visit Griffin?

Our two travel scores rate May for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

6.5
Sightseeing
3rd-best month of the year
6.8
Beach & pool
2nd-best month of the year

May is a reasonable time to visit Griffin for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Griffin in May

From May's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In May, Griffin sees daytime highs around 81°F and nights near 61°F. Pack light clothes and sun protection. Worth having: rain gear. About 9 days see rain.

light clothessun protectionrain gear

UV index in Griffin in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 8 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Griffin peaks around July 12 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 11 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateJul 12UV 10Dec 19UV 3
UV index (midday)Level
Jan3Moderate
Feb5Moderate
Mar6High
Apr7Very high
May8Very high
Jun9Very high
Jul10Very high
Aug9Very high
Sep7Very high
Oct5High
Nov4Moderate
Dec3Moderate

Air quality in Griffin in May

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where May falls, not just the annual average.

Air quality in Griffin is worst in July — around 21 µg/m³ PM2.5 (moderate), about 2.5× the cleanest month (January, 8 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1620 µg/m³Jan 108 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb11Good
Mar14Moderate
Apr12Good
May13Moderate
Jun17Moderate
Jul21Moderate
Aug17Moderate
Sep13Moderate
Oct12Moderate
Nov10Good
Dec8Good
Location & terrain

Where is Griffin?

Griffin sits at 33.2°N, 84.3°W, 978 ft above sea level, in United States. The nearest listed city is McDonough, 16 mi away.

Topography around Griffin

How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Griffin.

Within 2 miles, the terrain around Griffin has only modest variations in elevation — a maximum elevation change of 243 ft around an average of 919 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 420 ft; within 50 miles, significant variations in elevation — a maximum elevation change of 1,581 ft.

The land around Griffin is covered by trees (62%) within 2 miles, trees (71%) and grassland (22%) within 10 miles, and trees (83%) within 50 miles.

2 miles
243 ft
10 miles
420 ft
50 miles
1,581 ft
treesgrasslandcroplandartificial surfaceswater
May weather nearby: McDonough 16 mi · Fayetteville 18 mi · Stockbridge 21 mi · Peachtree City 22 mi · Riverdale 24 mi · Forest Park 27 mi · Union City 29 mi · East Point 32 mi

United States travel facts

Power plugs
Type A / B
120 V · 60 Hz
Prices
≈ 100% of US
price level, 2025
GDP per capita
$90,027
2025
Happiness
6.8 / 10
World Happiness, 2025
Safe drinking water
98%
of population, 2024
Homicide rate
5.8
per 100k, 2023
Road deaths
12.7
per 100k/yr, 2019
Income group
High
World Bank
Religion
Protestant 47%unaffiliated 23%Roman Catholic 21%Jewish 2%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Griffin (33.2468°, -84.2641°, elevation 978 ft), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).