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Baltimore, MD Weather by Month and Climate Averages
Monthly normals · Rain · Snow
Sunshine · Freeze dates · Records · Best time to visit
What is the weather like in Baltimore, MD?
Baltimore, MD gets 43.7 in of precipitation a year over about 118 rainy days. July is the warmest month (average high 90°F) and January the coldest (average low 30°F).
Humid subtropical climate
Baltimore, MD has hot summers and chilly winters. Daytime highs range from about 43°F in January to 90°F in July. July is usually the wettest month. The most comfortable time to visit is typically April to May and October, when daytime highs sit near 70°F.
| Season | Months | Avg low | Avg high |
|---|---|---|---|
| Winter | Dec–Feb | 33° | 46° |
| Spring | Mar–May | 49° | 66° |
| Summer | Jun–Aug | 71° | 87° |
| Autumn | Sep–Nov | 54° | 69° |
How much rain does Baltimore get?
Baltimore gets 43.7 in of precipitation in an average year, spread over about 118 days with measurable rain. That is more rainy days than 76% of the US.
July is the wettest month, with 4.7 in. February is the driest, with 2.8 in. May has the most rainy days, about 11.
The longest dry spell in the last five years lasted 38 days, to November 9, 2024.
From September 2025 to August 2026 Baltimore got 36.9 in of rain, against a normal of 43.7 in for those months. July 2026 had the most, with 7.8 in.
See where Baltimore ranks: rainiest cities in the US, US cities with the most rainy days.
Baltimore weather by month
Baltimore weather in January
In January, Baltimore averages a high of 43°F and a low of 30°F. It gets 3.1 in of precipitation over about 10 rainy days. Estimated sunshine is 40% of daylight hours, derived from ERA5 cloud cover. The January record high is 80°F (2024) and the record low is 4°F (2014).
Baltimore weather in February
In February, Baltimore averages a high of 46°F and a low of 32°F. It gets 2.8 in of precipitation over about 10 rainy days. Estimated sunshine is 40% of daylight hours, derived from ERA5 cloud cover. The February record high is 83°F (2018) and the record low is 3°F (2015).
Baltimore weather in March
In March, Baltimore averages a high of 55°F and a low of 39°F. It gets 3.9 in of precipitation over about 11 rainy days. Estimated sunshine is 45% of daylight hours, derived from ERA5 cloud cover. The March record high is 87°F (2025) and the record low is 14°F (2009).
Baltimore weather in April
In April, Baltimore averages a high of 67°F and a low of 49°F. It gets 3.5 in of precipitation over about 11 rainy days. Estimated sunshine is 43% of daylight hours, derived from ERA5 cloud cover. The April record high is 96°F (2013) and the record low is 30°F (2016). April is one of the most comfortable months to visit.
Baltimore weather in May
In May, Baltimore averages a high of 76°F and a low of 59°F. It gets 3.4 in of precipitation over about 11 rainy days. Estimated sunshine is 38% of daylight hours, derived from ERA5 cloud cover. The May record high is 99°F (2026) and the record low is 37°F (2020). May is one of the most comfortable months to visit.
Baltimore weather in June
In June, Baltimore averages a high of 85°F and a low of 69°F. It gets 3.4 in of precipitation over about 10 rainy days. Estimated sunshine is 44% of daylight hours, derived from ERA5 cloud cover. The June record high is 106°F (2012) and the record low is 52°F (2003).
Baltimore weather in July
In July, Baltimore averages a high of 90°F and a low of 73°F. It gets 4.7 in of precipitation over about 11 rainy days. Estimated sunshine is 45% of daylight hours, derived from ERA5 cloud cover. The July record high is 108°F (2012) and the record low is 60°F (2001).
Baltimore weather in August
In August, Baltimore averages a high of 87°F and a low of 72°F. It gets 4.3 in of precipitation over about 10 rainy days. Estimated sunshine is 44% of daylight hours, derived from ERA5 cloud cover. The August record high is 106°F (2007) and the record low is 53°F (2004).
Baltimore weather in September
In September, Baltimore averages a high of 81°F and a low of 65°F. It gets 4.5 in of precipitation over about 9 rainy days. Estimated sunshine is 47% of daylight hours, derived from ERA5 cloud cover. The September record high is 100°F (2023) and the record low is 48°F (2000).
Baltimore weather in October
In October, Baltimore averages a high of 69°F and a low of 54°F. It gets 3.5 in of precipitation over about 9 rainy days. Estimated sunshine is 52% of daylight hours, derived from ERA5 cloud cover. The October record high is 95°F (2019) and the record low is 37°F (2006). October is one of the most comfortable months to visit.
Baltimore weather in November
In November, Baltimore averages a high of 57°F and a low of 43°F. It gets 3.0 in of precipitation over about 8 rainy days. Estimated sunshine is 56% of daylight hours, derived from ERA5 cloud cover. The November record high is 83°F (2024) and the record low is 21°F (2014).
Baltimore weather in December
In December, Baltimore averages a high of 48°F and a low of 35°F. It gets 3.7 in of precipitation over about 10 rainy days. Estimated sunshine is 43% of daylight hours, derived from ERA5 cloud cover. The December record high is 78°F (2006) and the record low is 8°F (2022).
Sunshine, humidity and wind in Baltimore
November is the sunniest month in Baltimore, with estimated sunshine of 56% of daylight hours from ERA5 cloud cover. May is the cloudiest, at 38%. The annual cloud-cover estimate is 45% of daylight hours; it is not a measurement of sunshine duration. Baltimore is cloudier than 61% of the US.
Humidity peaks in August at 73% and is lowest in March at 61%.
Baltimore has about 43 days a year above 90°F. Baltimore is hotter than 63% of the US.
See where Baltimore ranks: sunniest cities in the US, cloudiest cities in the US, hottest cities in the US.
First and last freeze in Baltimore
The first fall freeze in Baltimore typically comes around November 28, and the last spring freeze around March 19. That leaves a frost-free growing season of about 254 days.
Baltimore weather records
These records cover MARYLAND SCI CTR during 1998–2026. Earlier records or other stations in the city may differ.
The hottest temperature on record at the Baltimore station is 108°F, on July 22, 2011. The coldest is 3°F, on February 20, 2015.
The wettest day in the available station history brought 6.1 in of precipitation, on October 29, 2012.
The best time to visit Baltimore
The most comfortable time to visit is typically April to May and October, when daytime highs sit near 70°F.
Winter (December–February) is chilly, with average highs around 46°F and lows near 33°F.
Spring (March–May) is mild, with average highs around 66°F and lows near 49°F.
Summer (June–August) is hot, with average highs around 87°F and lows near 71°F. It can feel humid.
Autumn (September–November) is warm, with average highs around 69°F and lows near 54°F.
Monthly climate
| Month | Average low | Average high | Precip | Rain days | Humidity | Estimated sunshine | Record high | Record low |
|---|---|---|---|---|---|---|---|---|
| January | 30° | 43° | 3.1 in | 10 | 67% | 40% | 80° | 4° |
| February | 32° | 46° | 2.8 in | 10 | 65% | 40% | 83° | 3° |
| March | 39° | 55° | 3.9 in | 11 | 61% | 45% | 87° | 14° |
| April | 49° | 67° | 3.5 in | 11 | 62% | 43% | 96° | 30° |
| May | 59° | 76° | 3.4 in | 11 | 67% | 38% | 99° | 37° |
| June | 69° | 85° | 3.4 in | 10 | 67% | 44% | 106° | 52° |
| July | 73° | 90° | 4.7 in | 11 | 71% | 45% | 108° | 60° |
| August | 72° | 87° | 4.3 in | 10 | 73% | 44% | 106° | 53° |
| September | 65° | 81° | 4.5 in | 9 | 72% | 47% | 100° | 48° |
| October | 54° | 69° | 3.5 in | 9 | 72% | 52% | 95° | 37° |
| November | 43° | 57° | 3.0 in | 8 | 66% | 56% | 83° | 21° |
| December | 35° | 48° | 3.7 in | 10 | 68% | 43% | 78° | 8° |
Station: MARYLAND SCI CTR, 1 km from the city. Temperature normal baseline: 1991–2020, calculated from available NOAA GHCN-Daily observations. Available station history: 1998–2026; record values refer to this station and period, not the entire city’s history. Precipitation includes rain and the water equivalent of frozen precipitation; snowfall depth is shown separately when available. Sources and methods
From ERA5 reanalysis. Sunshine is estimated from cloud cover.
Baltimore climate questions
How much rain does Baltimore get?
Baltimore gets 43.7 in of precipitation in an average year, over about 118 rainy days.
What is the wettest month in Baltimore?
July is the wettest month in Baltimore, with 4.7 in. February is the driest, with 2.8 in.
How many rainy days does Baltimore have a year?
Baltimore has about 118 days with measurable rain in an average year. May has the most, about 11.
What is the hottest month in Baltimore?
July is the warmest month in Baltimore, with an average high of 90°F.
What is the coldest month in Baltimore?
January is the coldest month in Baltimore, with an average low of 30°F.
What is the record high temperature in Baltimore?
Within the available 1998–2026 station history, the record high at the Baltimore station is 108°F, set on July 22, 2011. The record low is 3°F, on February 20, 2015.
What is the sunniest month in Baltimore?
November is the sunniest month in Baltimore, with estimated sunshine of 56% of daylight hours from ERA5 cloud cover. May is the cloudiest.
When is the first frost in Baltimore?
The first fall freeze in Baltimore typically comes around November 28. The last spring freeze is around March 19.
What is the best time to visit Baltimore?
The most comfortable time to visit is typically April to May and October, when daytime highs sit near 70°F.