Climateby Month

Baltimore, MD weather in July

NOAA 1991-2020 normals and daily records · Baltimore all year

July in Baltimore: hot and humid, with frequent rain. Highs 89°F, lows 68°F, about 10 wet days. This is the peak of the warm season in Baltimore.

Normal high
89°F
Normal low
68°F
Wet days
10
4.5 in total
Muggy days
19
dew point 65°F+

How July changes from start to finish

Normal values at the start and end of July
July 1July 31
Normal high88°F88°F
Normal low67°F68°F
Chance of a wet day35%34%
Sunrise / sunset5:43 am / 8:37 pm6:05 am / 8:19 pm
Daylight14.9 h14.2 h

Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Eastern Time).

A typical July day

  1. 6 am71°Fdew point 66°F
  2. 9 am80°Fdew point 66°F
  3. Noon85°Fdew point 65°F
  4. 3 pm86°Fdew point 65°F
  5. 6 pm83°Fdew point 65°F
  6. 9 pm76°Fdew point 67°F

NOAA hourly normals (local standard time) from Baltimore Wash Intl Airport (9 mi away); average wind 6 mph; clear or few clouds in 46% of daytime hours, mostly cloudy or overcast in 37%.

What kind of days to expect

  • Comfortable dayshigh 65-80°F and dew point under 60°F1 of 31
  • Beach dayshigh 80-95°F, under 0.05 in of rain, afternoon wind under 15 mph18 of 31
  • Hot dayshigh 90°F or more13 of 31
  • Muggy daysdaily mean dew point 65°F or more19 of 31
  • Wet daysat least 0.01 in of rain or melted snow10 of 31
  • Notable rainat least 0.10 in7 of 31
  • Freezing nightslow 32°F or below0 of 31
  • Snow on the groundsnow depth 1 in or more0 of 31

Average days per July, counted from daily records for each year 1991-2020.

Rain in July

Normal precipitation is 4.5 in; a dry July brings about 2.8 in and a wet one about 5.5 in (25th and 75th percentiles). About 3 days bring half an inch or more, and about 1 an inch or more.

How July varies from year to year

  • Warmest July, 1991-20202011: average high 93°F
  • Coolest July2000: average high 82°F
  • Wettest July2018: 16.7 in
  • Driest July1998: 1.4 in
  • Highest reading106°F (July 22, 2011)
  • Lowest reading50°F (July 3, 2001)

From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.

July compared with June and August

JuneJulyAugust
Normal high84°F89°F87°F
Normal low63°F68°F66°F
Wet days111010
Comfortable days612
Daylight14.9 h14.6 h13.7 h

Highs change by +5°F from June and -2°F into August.

Nearby alternatives in July

How Baltimore ranks in July

  • Normal high168th warmest of 378 cities; 1st of 3 in Maryland
  • Wet days239th driest of 378
  • Comfortable days190th most of 340

What to pack for Baltimore in July

  • Light, breathable clothing – highs near 89°F and about 19 muggy days
  • A rain jacket or umbrella – rain on about 10 days
  • A swimsuit – about 18 beach days
  • Sunglasses and sunscreen – about 14.6 hours of daylight and highs near 89°F

Heating and cooling

July has 0 heating degree days and 411 cooling degree days (base 65°F), 7% of the year's total heating and cooling demand.

Questions

How hot is Baltimore in July?

The normal high is 89°F and the normal low is 68°F. From 1991 to 2020 the hottest July reading was 106°F (July 22, 2011).

Does it rain a lot in Baltimore in July?

About 10 days in July have at least 0.01 in of precipitation, and the normal total is 4.5 in. The wettest July in 1991-2020 was in 2018 (16.7 in); the driest was in 1998 (1.4 in).

Is July a good time to visit Baltimore?

July ranks 9th of 12 months on our comfort score for Baltimore (46 out of 100). It has about 1 comfortable day and about 13 days at 90°F or hotter. The best months are April and May.

Where the numbers come from

  • Temperature, rain, snowfall, snow depth and humidity and wind by hour: Baltimore Wash Intl Airport (USW00093721), 9.4 mi SSW of the city center, 156 ft (120 ft higher than the city). NOAA normals and daily records, 1991-2020.
  • Frost dates: Md Sci Ctr Baltimore (USW00093784), 0.7 mi SSE of the city center, 20 ft . NOAA normals and daily records, 1991-2020.
  • Cloud cover: Camp Springs Andrews AFB (USW00013705), 36 mi SSW of the city center, 282 ft (246 ft higher than the city). NOAA normals and daily records, 1991-2020.
  • Daily humidity and wind: Baltimore-Washington Intl Airport (724060-93721), 9.0 mi SSW of the city center, 138 ft (102 ft higher than the city). Hourly observations, 1991-2020.