Baltimore weather by month

Average highs run from 43°F in January to 89°F in July, and January nights average 25°F. It gets 45 inches of rain and melted snow a year and 19 inches of snow. Expect about 34 days a year at 90°F or hotter. Nights drop below freezing about 93 times a year. The most comfortable months are April to June and September to October.

BaltimoreMarylandPop. 569,997
Average monthly high and low temperatures and precipitation in Baltimore20°30°40°50°60°70°80°90°100°4325Jan3.14627Feb2.95534Mar4.06744Apr3.47653May3.98463Jun4.08968Jul4.58766Aug4.18059Sep4.46847Oct3.95737Nov3.14830Dec3.7in.
Average daily high and low (°F) and precipitation (inches) each month, 1991-2020. The dashed line marks freezing (32°F). Shaded months are comfortable by our rule. Station: Baltimore Wash Intl. Airport, MD, 9 mi from the city center. Source: NOAA NCEI.

Best time to visit Baltimore

For comfortable weather, go in April to June and September to October. In those months the average high stays between 62°F and 86°F, nights average 42°F or warmer, and rain stays under 4.5 inches for the month.

Month by month

MonthHighLowPrecip.SnowWet daysDays 90°F+Nights below 32°FFeels
January43°F25°F3.1 in6.4 in6024cold
February46°F27°F2.9 in7.5 in6021cold
March55°F34°F4.0 in2.8 in7014cool
April67°F44°F3.4 in0.0 in602mild
May76°F53°F3.9 in0.0 in720mild
June84°F63°F4.0 in0.0 in770warm
July89°F68°F4.5 in0.0 in7130hot
August87°F66°F4.1 in0.0 in680warm
September80°F59°F4.4 in0.0 in630warm
October68°F47°F3.9 in0.0 in501mild
November57°F37°F3.1 in0.1 in5010cool
December48°F30°F3.7 in2.5 in6021cold
Year67°F avg46°F avg45.0 in19.3 in753493

"Wet days" are days with at least 0.1 inch of precipitation. "Feels" is a plain-language label for the average high. Normals for 1991-2020 from NOAA NCEI, station Baltimore Wash Intl. Airport, MD (USW00093721), 9 miles from the city center. Averages describe typical conditions, not a forecast.

Sunrise, sunset and daylight in Baltimore

The shortest day is December 21, with 9h 23m of daylight; the longest is June 21, with 14h 56m. The earliest sunset comes around December 4 (4:42 pm) and the latest around June 20 (8:36 pm). The sun sets after 8 pm on 107 days a year.

6h9h12h15h18hJanuary 15: 9h 43m of daylightJanFebruary 15: 10h 45m of daylightFebMarch 15: 11h 55m of daylightMarApril 15: 13h 14m of daylightAprMay 15: 14h 20m of daylightMayJune 15: 14h 55m of daylightJunJuly 15: 14h 39m of daylightJulAugust 15: 13h 42m of daylightAugSeptember 15: 12h 27m of daylightSepOctober 15: 11h 11m of daylightOctNovember 15: 10h 01m of daylightNovDecember 15: 9h 25m of daylightDec
On the 15th ofSunriseSunsetDaylight
January7:24 am5:07 pm9h 43m
February6:58 am5:43 pm10h 45m
March7:17 am7:13 pm11h 55m
April6:29 am7:43 pm13h 14m
May5:53 am8:13 pm14h 20m
June5:39 am8:34 pm14h 55m
July5:52 am8:31 pm14h 39m
August6:19 am8:01 pm13h 42m
September6:48 am7:14 pm12h 27m
October7:16 am6:27 pm11h 11m
November6:50 am4:51 pm10h 01m
December7:19 am4:44 pm9h 25m

Calculated for 2026 at the center of Baltimore with NOAA's solar equations, in local clock time (Eastern Time, including daylight saving time where it applies). Times shift by a minute or two from year to year.

Is Baltimore getting warmer?

The last 10 years averaged 3.4°F warmer than the 20th century. See the climate stripes for Baltimore.

Frequently asked questions

What is the warmest month in Baltimore?

July is the warmest month, with an average high of 89°F and an average low of 68°F (NOAA 1991-2020 normals).

What is the coldest month in Baltimore?

January is the coldest, with average lows of 25°F and highs of 43°F.

What is the rainiest month in Baltimore?

July gets the most precipitation, 4.5 inches on average. February is the driest at 2.9 inches.

Does it snow in Baltimore?

Yes. Baltimore averages 19 inches of snow a year.

When is the best time to visit Baltimore?

For comfortable weather, April to June and September to October. Those months average highs between 62 and 86°F with lows of 42°F or more and modest rain.

Thinking of moving to Baltimore?

See what homes, rent and everyday prices cost, who lives there and how it compares with nearby cities on the full Baltimore profile.

Compare the weather: Baltimore vs Columbia, Baltimore vs Annapolis, Baltimore vs Silver Spring, Baltimore vs Bethesda.