St. Marys weather in April

In April, St. Marys sees average daytime highs of 75°F and overnight lows near 61°F, with 2.3 in of rain across 6.9 wet days and about 12.7 hours of daylight. It is the 7th-warmest and 11th-wettest month of the year here.

Highs climb over the month, from about 73°F in the first days to 78°F by the end. The sky is clear or mostly clear about 44% of the time in April, and the air most often feels dry.

Daylight stretches from about 12 h 18 min at the start of April to 13 h 12 min by month's end. Set against the rest of the year, April is St. Marys's 1st-clearest and 3rd-windiest month. For the whole year in context, see St. Marys's year-round climate.

Daytime high
75°
7th warmest
Overnight low
61°
6th coldest
Rainfall
2.3 in
6.9 wet days
Daylight
12 h 42 min
6:04 AM – 6:49 PM
Cloud cover
48%
1st clearest
Wind
9 mph
3rd windiest
Solar energy
6 kWh/m²
Travel score
7.5
out of 10

St. Marys is city in Camden County, Georgia, USA.

Density
279/km²
people per km²
Founded
1792

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

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 73°F in the first days to 78°F by the end.

A typical April day in St. Marys reaches about 75°F in the afternoon and slips back to 61°F overnight — a 14°F spread between the day's warmth and the night's chill. On most days the high lands between 68°F and 82°F. Set against its neighbours, April runs about 6°F warmer than March and about 6°F cooler than May.

40°50°60°70°80°151015202530
Avg high (°F)Avg low (°F)
17358
27358
37359
47359
57459
67459
77460
87460
97460
107460
117460
127560
137561
147561
157561
167561
177661
187662
197662
207662
217662
227762
237763
247763
257763
267763
277864
287864
297864
307864

How April really feels in St. Marys

Once humidity and wind are folded in, April 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

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

St. Marys weather by month

How April compares with the rest of the year at a glance. April is the 7th-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysDaylight (hours)Travel score
Jan62° / 48°2.97.710.25.7
Feb65° / 50°2.57.210.96.2
Mar70° / 55°2.87.311.87.0
Apr75° / 61°2.36.912.77.5
May82° / 68°2.58.513.56.6
Jun86° / 74°5.117.5144.3
Jul88° / 76°4.618.213.83.7
Aug87° / 76°5.820.413.13.7
Sep83° / 74°5.415.512.25.0
Oct78° / 66°3.28.911.27.1
Nov70° / 57°1.86.110.47.2
Dec64° / 51°2.57.4106.3

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 44% of the time in April, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 18% of April, with mostly cloudy or overcast conditions the remaining 39%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15743
25743
35743
45743
55743
65743
75743
85743
95842
105842
115842
125941
135941
145941
156139
166139
176238
186337
196337
206535
216535
226535
236634
246634
256634
266634
276733
286634
296733
306634

Chance of precipitation in April

Any precipitation

St. Marys gets around 2.3 in of rain over 6.9 wet days in April. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 23% and peaks near 24% on the wettest days.

0%10%20%30%151015202530
Rain chance (%)
124
224
324
424
524
623
723
823
923
1022
1122
1222
1322
1422
1522
1622
1722
1823
1923
2023
2123
2223
2324
2424
2524
2624
2724
2824
2924
3024

Humidity in April

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, April lands in the dry band about 32% of days. Sticky, muggy-or-worse air turns up on roughly 18% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
143252570
242252580
341252590
440252590
5392525100
6392526110
7382426120
8372426130
9372426130
10362426140
11362426150
12352326150
13342326160
14342327170
15332327170
16322228180
17312228180
18312229180
19302129191
20302130191
21292030201
22282030201
23281930211
24271931212
25261931222
26251931232
27241931243
28231831253
29221831263
30211831273

Wind in April

Winds average 9 mph in April.

Across April, daily wind ranges from about 9 mph on the calmest days to 9 mph at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (mph)Feels
19light breeze
29light breeze
39light breeze
49light breeze
59light breeze
69light breeze
79light breeze
89light breeze
99light breeze
109light breeze
119light breeze
129light breeze
139light breeze
149light breeze
159light breeze
169light breeze
179light breeze
189light breeze
199light breeze
209light breeze
219light breeze
229light breeze
239light breeze
249light breeze
259light breeze
269light breeze
279light breeze
289light breeze
299light breeze
309light breeze

Sunrise & sunset in April

DaylightNight

Daylight runs from about 12 h 18 min at the start of April to 13 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 54 minutes over April. Sunrise moves from 6:22 AM to 5:49 AM, and sunset from 6:39 PM to 6:58 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.36:226:39
212.36:216:40
312.36:206:40
412.46:196:41
512.46:176:42
612.46:166:42
712.56:156:43
812.56:146:44
912.56:126:44
1012.66:116:45
1112.66:106:46
1212.66:096:46
1312.76:086:47
1412.76:066:48
1512.76:056:48
1612.76:046:49
1712.86:036:49
1812.86:026:50
1912.86:016:51
2012.95:596:51
2112.95:586:52
2212.95:576:53
2313.05:566:53
2413.05:556:54
2513.05:546:55
2613.05:536:55
2713.15:526:56
2813.15:516:57
2913.15:506:57
3013.25:496:58

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 6 kWh/m².

For context, solar energy here swings from a low near 2.74 kWh/m² to a high of 6.45 kWh/m² in May across the year — April's 6 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.5Bright
25.5Bright
35.6Bright
45.6Bright
55.6Bright
65.7Bright
75.7Bright
85.7Bright
95.8Bright
105.8Bright
115.8Bright
125.8Bright
135.9Bright
145.9Bright
156.0Bright
166.0Bright
176.0Intense
186.1Intense
196.1Intense
206.1Intense
216.2Intense
226.2Intense
236.2Intense
246.2Intense
256.3Intense
266.3Intense
276.3Intense
286.3Intense
296.3Intense
306.4Intense
Planning a trip in April

Hazard calendar for St. Marys

In seasonPeak

None of St. Marys's seasonal hazards are active in April. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

St. Marys sits in the Atlantic hurricane belt; the season peaks August–October.

St. Marys's rainy season runs June–October, when most of the year's rain falls.

Atlantic hurricane
Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is April a good time to visit St. Marys?

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

7.5
Sightseeing
1st-best month of the year
6.4
Beach & pool
3rd-best month of the year

April is one of the better times to visit St. Marys for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for St. Marys in April

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

In April, St. Marys sees daytime highs around 75°F and nights near 61°F. Pack sun protection. Worth having: light clothes. About 7 days see rain.

sun protectionlight clothes

Sea temperature near St. Marys in April

The nearest coast averages about 68°F in April — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 12 mi away) is warmest in August at about 83°F and coldest in February near 60°F.

It's comfortable for a long swim from Apr 15 to Nov 24 — about 7.4 months when the water holds above 68°F.

60°70°80°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°F)Comfort
Jan61Cool
Feb60Cool
Mar63Cool
Apr68Refreshing
May75Refreshing
Jun80Warm
Jul82Warm
Aug83Tropical
Sep82Warm
Oct77Warm
Nov70Refreshing
Dec64Cool

UV index in St. Marys in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in St. Marys peaks around June 22 at about 10 (extreme) — 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 — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highHighModerateJun 22UV 10Dec 19UV 3
UV index (midday)Level
Jan4Moderate
Feb6High
Mar7High
Apr7High
May8Very high
Jun10Extreme
Jul10Very high
Aug9Very high
Sep8Very high
Oct6High
Nov5Moderate
Dec3Moderate

Air quality in St. Marys in April

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in St. Marys is worst in July — around 18 µg/m³ PM2.5 (moderate), about 2.6× the cleanest month (December, 7 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1618 µg/m³Dec 127 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb13Moderate
Mar14Moderate
Apr14Moderate
May15Moderate
Jun16Moderate
Jul18Moderate
Aug16Moderate
Sep11Good
Oct8Good
Nov7Good
Dec7Good
Location & terrain

Where is St. Marys?

St. Marys sits at 30.7°N, 81.5°W, 10 ft above sea level, in United States. The nearest listed city is Kingsland, 9.9 mi away.

Topography around St. Marys

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

Within 2 miles, the terrain around St. Marys has only modest variations in elevation — a maximum elevation change of 79 ft around an average of 10 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 125 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 295 ft.

The land around St. Marys is covered by wetland (41%), trees (25%) and water (23%) within 2 miles, trees (43%) and water (26%) within 10 miles, and trees (58%) and water (29%) within 50 miles.

2 miles
79 ft
10 miles
125 ft
50 miles
295 ft
treesgrasslandartificial surfaceswaterwetland
April weather nearby: Kingsland 9.9 mi · Jacksonville 29 mi · Brunswick 29 mi · Jacksonville Beach 32 mi · Ponte Vedra Beach 35 mi · Palm Valley 39 mi · Oakleaf Plantation 42 mi · Fruit Cove 43 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 St. Marys (30.7305°, -81.5465°, elevation 10 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. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).