Climateby Month

Washington vs Baltimore weather

Washington, DC and Baltimore, MD · 36 mi apart

July highs: 90°F in Washington, 89°F in Baltimore (Washington is 1°F warmer). January highs: 45°F and 43°F (Washington is 2°F warmer). Washington has about 118 wet days a year, Baltimore about 121. Muggy days: about 67 a year in Washington, about 60 in Baltimore. Snow: 13.7 in a year in Washington, 19.3 in in Baltimore.

Washington, DC

20°40°60°80°100° January: normal high 45°F (7°C), low 30°F (-1°C) 45° 30° February: normal high 48°F (9°C), low 32°F (0°C) March: normal high 57°F (14°C), low 39°F (4°C) April: normal high 68°F (20°C), low 48°F (9°C) May: normal high 77°F (25°C), low 58°F (14°C) June: normal high 85°F (29°C), low 68°F (20°C) July: normal high 90°F (32°C), low 72°F (22°C) 90° 72° August: normal high 88°F (31°C), low 71°F (22°C) September: normal high 81°F (27°C), low 64°F (18°C) October: normal high 69°F (21°C), low 52°F (11°C) November: normal high 58°F (14°C), low 42°F (6°C) December: normal high 49°F (9°C), low 35°F (2°C) JFMAMJJASOND

Best months: April, May, October

Baltimore, MD

20°40°60°80°100° January: normal high 43°F (6°C), low 25°F (-4°C) 43° 25° February: normal high 46°F (8°C), low 27°F (-3°C) March: normal high 55°F (13°C), low 34°F (1°C) April: normal high 67°F (19°C), low 44°F (7°C) May: normal high 76°F (24°C), low 53°F (12°C) June: normal high 84°F (29°C), low 63°F (17°C) July: normal high 89°F (32°C), low 68°F (20°C) 89° 68° August: normal high 87°F (31°C), low 66°F (19°C) September: normal high 80°F (27°C), low 59°F (15°C) October: normal high 68°F (20°C), low 47°F (8°C) November: normal high 57°F (14°C), low 37°F (3°C) December: normal high 48°F (9°C), low 30°F (-1°C) JFMAMJJASOND

Best months: April, May

Which city for what

  • Less snow: Washington (13.7 in vs 19.3 in)

Listed only where the difference is at least 3°F in highs, 10 days a year or 3 in of snow.

Season by season

SeasonAvg high WashingtonAvg high BaltimoreWet days WashingtonWet days Baltimore
Winter (Dec-Feb)47°F46°F2930
Spring (Mar-May)67°F66°F3334
Summer (Jun-Aug)88°F87°F3031
Fall (Sep-Nov)69°F68°F2526

Side by side over a year

WashingtonBaltimore
Hot days (90°F+)4034
Freezing nights6094
Muggy days6760
Comfortable days7876
Precipitation41.8 in45.0 in
Snowfall13.7 in19.3 in
Frost dateslast Mar 24, first Nov 18last Mar 24, first Nov 21
Daylight in June / December14.8 h / 9.5 h14.9 h / 9.4 h
Best monthsApril, May, OctoberApril, May

Day counts from each city's daily records, 1991-2020. Comfortable days: highs 65-80°F and dew point under 60°F.

Month by month

MonthHigh WashingtonHigh BaltimoreWet days WashingtonWet days Baltimore
January45°F43°F1010
February48°F46°F99
March57°F55°F1111
April68°F67°F1111
May77°F76°F1212
June85°F84°F1111
July90°F89°F1110
August88°F87°F910
September81°F80°F99
October69°F68°F89
November58°F57°F89
December49°F48°F1010

Both charts use the same temperature scale.

Where the numbers come from

  • Washington, DC: temperature from Washington Reagan Airport (USW00013743), 3.2 mi S of the city center; precipitation from Washington Reagan Airport (USW00013743). NOAA 1991-2020 normals and daily records.
  • Baltimore, MD: temperature from Baltimore Wash Intl Airport (USW00093721), 9.4 mi SSW of the city center; precipitation from Baltimore Wash Intl Airport (USW00093721). NOAA 1991-2020 normals and daily records.

Every station for each city, including humidity and frost, is listed on the city page. Methodology.