Eldersburg weather in May

In May, Eldersburg sees average daytime highs of 72°F and overnight lows near 55°F, with 3.7 in of rain across 11.7 wet days and about 14.1 hours of daylight. It is the 5th-warmest and 4th-wettest month of the year here.

Highs climb over the month, from about 69°F in the first days to 77°F by the end. The sky is clear or mostly clear about 24% of the time in May, and the air most often feels dry.

Daylight stretches from about 13 h 36 min at the start of May to 14 h 30 min by month's end. Set against the rest of the year, May is Eldersburg's 12th-clearest and 8th-windiest month. For the whole year in context, see Eldersburg's year-round climate.

Daytime high
72°
5th warmest
Overnight low
55°
8th coldest
Rainfall
3.7 in
11.7 wet days
Daylight
14 h 12 min
4:59 AM – 7:09 PM
Cloud cover
64%
12th clearest
Wind
6 mph
8th windiest
Solar energy
5.69 kWh/m²
Travel score
6.4
out of 10

Eldersburg is unincorporated community and census-designated place in Carroll County, Maryland, United States.

Density
278/km²
people per km²

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 69°F in the first days to 77°F by the end.

A typical May day in Eldersburg reaches about 72°F in the afternoon and slips back to 55°F overnight — a 18°F spread between the day's warmth and the night's chill. On most days the high lands between 60°F and 85°F. Set against its neighbours, May runs about 9°F warmer than April and about 9°F cooler than June.

40°60°80°151015202531
Avg high (°F)Avg low (°F)
16850
26950
36951
46951
56951
66951
77052
87052
97052
107053
117153
127153
137153
147154
157254
167254
177255
187355
197355
207356
217456
227456
237457
247557
257557
267658
277658
287658
297759
307759
317759

How May really feels in Eldersburg

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.

Eldersburg weather by month

How May compares with the rest of the year at a glance. May is the 5th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan40° / 26°3.28.83.59.50.0
Feb43° / 28°2.88.73.710.50.5
Mar52° / 35°3.910.52.611.72.7
Apr64° / 45°3.510.50.2135.4
May72° / 55°3.711.7014.16.4
Jun81° / 64°3.611.1014.75.9
Jul86° / 68°3.911.1014.55.0
Aug83° / 67°3.510.3013.55.7
Sep77° / 60°4.59.3012.36.9
Oct65° / 48°3.580116.2
Nov54° / 38°3.17.80.49.83.4
Dec44° / 31°3.68.92.19.30.8

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 24% of the time in May, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 18% of May, with mostly cloudy or overcast conditions the remaining 58%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14357
24357
34357
44357
54258
64258
74357
84357
94258
104258
114258
124159
134159
144060
154159
164159
174159
184159
194060
204159
214159
224258
234258
244258
254258
264357
274357
284357
294357
304258
314258

Chance of precipitation in May

Any precipitation

Eldersburg gets around 3.7 in of rain over 11.7 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 37% and peaks near 39% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
137
237
337
437
538
638
738
838
939
1039
1139
1239
1339
1438
1538
1638
1738
1838
1938
2038
2137
2237
2337
2437
2537
2636
2736
2836
2936
3036
3136

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 63% of days. Sticky, muggy-or-worse air turns up on roughly 6% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1811450
2791551
3771661
4761761
5751771
6741871
7741871
8721981
9721981
10701992
11701992
126819103
136819103
146619114
156619114
166518125
176418135
186318136
196118147
206017158
215917168
225717179
2355171810
2454171910
2553171911
2652172011
2750182012
2849182112
2947192113
3046192113
3145202114

Wind in May

Winds average 6 mph in May.

Across May, daily wind ranges from about 6 mph on the calmest days to 7 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (mph)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 13 h 36 min at the start of May to 14 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 54 minutes over May. Sunrise moves from 5:16 AM to 4:49 AM, and sunset from 6:54 PM to 7:22 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.65:166:54
213.75:156:55
313.75:136:56
413.75:126:57
513.85:116:58
613.85:106:59
713.95:097:00
813.95:087:01
913.95:067:02
1014.05:057:03
1114.05:047:04
1214.05:037:05
1314.15:027:06
1414.15:017:07
1514.15:007:08
1614.24:597:09
1714.24:587:10
1814.24:587:11
1914.24:577:11
2014.34:567:12
2114.34:557:13
2214.34:547:14
2314.44:547:15
2414.44:537:16
2514.44:527:17
2614.44:527:18
2714.54:517:18
2814.54:507:19
2914.54:507:20
3014.54:497:21
3114.54:497:22

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.69 kWh/m².

For context, solar energy here swings from a low near 1.88 kWh/m² to a high of 6.13 kWh/m² in June across the year — May's 5.69 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.5Bright
25.5Bright
35.5Bright
45.5Bright
55.5Bright
65.5Bright
75.5Bright
85.5Bright
95.5Bright
105.5Bright
115.6Bright
125.6Bright
135.6Bright
145.6Bright
155.6Bright
165.6Bright
175.7Bright
185.7Bright
195.7Bright
205.7Bright
215.7Bright
225.8Bright
235.8Bright
245.8Bright
255.8Bright
265.8Bright
275.9Bright
285.9Bright
295.9Bright
305.9Bright
315.9Bright
Planning a trip in May

Hazard calendar for Eldersburg

In seasonPeak

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

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

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

Is May a good time to visit Eldersburg?

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

6.4
Sightseeing
2nd-best month of the year
4.6
Beach & pool
5th-best month of the year

May is a reasonable time to visit Eldersburg for sightseeing.

What to pack for Eldersburg in May

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

In May, Eldersburg sees daytime highs around 72°F and nights near 55°F. Worth packing: light clothes, rain gear and sun protection. About 12 days see rain.

light clothesrain gearsun protection

Sea temperature near Eldersburg in May

The nearest coast averages about 58°F in May — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 36 mi away) is warmest in August at about 78°F and coldest in February near 36°F.

It's comfortable for a long swim from Jun 16 to Oct 5 — about 3.7 months when the water holds above 68°F.

30°40°50°60°70°80°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°F)Comfort
Jan38Bracing
Feb36Bracing
Mar40Bracing
Apr47Bracing
May58Bracing
Jun68Refreshing
Jul76Warm
Aug78Warm
Sep74Refreshing
Oct65Cool
Nov53Bracing
Dec44Bracing

UV index in Eldersburg in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 8 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Eldersburg peaks around July 10 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 at about 2 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 9 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateLowJul 10UV 9Dec 20UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar5Moderate
Apr6High
May8Very high
Jun9Very high
Jul9Very high
Aug7High
Sep6High
Oct3Moderate
Nov3Moderate
Dec2Low

Air quality in Eldersburg 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 Eldersburg is worst in July — around 17 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (November, 8 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1317 µg/m³Nov 138 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb11Good
Mar12Moderate
Apr12Moderate
May15Moderate
Jun16Moderate
Jul17Moderate
Aug14Moderate
Sep12Good
Oct9Good
Nov8Good
Dec9Good
Location & terrain

Where is Eldersburg?

Eldersburg sits at 39.4°N, 77.0°W, 643 ft above sea level, in United States. The nearest listed city is Reisterstown, 8.1 mi away.

Topography around Eldersburg

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

Within 2 miles, the terrain around Eldersburg has only modest variations in elevation — a maximum elevation change of 312 ft around an average of 571 ft above sea level; within 10 miles, significant variations in elevation — a maximum elevation change of 840 ft; within 50 miles, large variations in elevation — a maximum elevation change of 2,260 ft.

The land around Eldersburg is covered by trees (60%) and grassland (25%) within 2 miles, trees (60%) and grassland (25%) within 10 miles, and trees (55%) within 50 miles.

2 miles
312 ft
10 miles
840 ft
50 miles
2,260 ft
treesgrasslandcroplandartificial surfaceswater
May weather nearby: Reisterstown 8.1 mi · Randallstown 8.7 mi · Owings Mills 9.3 mi · Milford Mill 11 mi · Westminster 12 mi · Pikesville 12 mi · Ellicott City 12 mi · Columbia 13 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 Eldersburg (39.4037°, -76.9503°, elevation 643 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).