In general the best time to visit Baltimore is probably July, when the weather is usually great. The hottest months are June, July, August, while the coldest months are January, February, December.
April, May, June, July, August, September, October usually has good weather. Average maximum temperature reaches +31°C during July.
In January, February, March, November, December the weather is average. Expect around 48 rainy days, and the precipitation amounts to approximately 99 mm in March.
Climate in Baltimore
Here is the detailed breakdown of the climate in Baltimore for each month:
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Maximum Temperature
+22°C
+27°C
+31°C
+34°C
+36°C
+40°C
+40°C
+38°C
+37°C
+35°C
+27°C
+24°C
Average Maximum Temperature
+6°C
+8°C
+13°C
+19°C
+24°C
+28°C
+31°C
+30°C
+26°C
+20°C
+14°C
+8°C
Minimum Temperature
-22°C
-20°C
-13°C
-5°C
+3°C
+9°C
+12°C
+8°C
+5°C
-2°C
-6°C
-18°C
Avg. water temperature
-
-
-
-
-
-
-
-
-
-
-
-
Humidity, %
69
69
67
68
72
73
73
74
73
73
70
71
Rain, mm
66
61
99
109
114
102
114
108
124
106
91
90
Snow, mm
26
27
12
0
0
0
0
0
0
0
2
12
Average wind speed, m/s
3
3
3
3
2
2
2
2
2
3
3
3
Sunny Days
5
5
6
6
5
4
5
6
7
8
7
6
Cloud Days
12
10
10
9
10
10
8
9
10
10
11
13
Rainy Days
7
8
12
15
16
16
18
17
14
13
11
10
Snowy Days
6
5
2
0
0
0
0
0
0
0
0
3
Average Temperature
Here are the average maximum and minimum temperatures in Baltimore during the whole year:
The hottest month in Baltimore is July with average maximum temperature going up to +31°C. The coldest month is January with the lowest temperatures of -1°C.
Humidity
The temperature feels different depending on humidity. Here is how humidity in Baltimore looks throughout the year, in %:
The most humid month in Baltimore is August with average humidity going up to 74%. The least humid month is March with an average humidity of 67%.
Rain
Amount of rainfall in mm. in Baltimore during the whole year based on historical data:
The sunniest and driest month is October with approximately 8 sunny days and a total precipitation of around 106 mm. The rainiest and wettest month is September with approximately 14 rainy days and 124 mm of total precipitation.
Snow
Amount of snow in mm. in Baltimore during the whole year based on historical data:
The snowiest month is February with approximately 5 snowy days.
FAQ
Frequently asked questions about the weather in Baltimore:
What is the hottest month in Baltimore?
The hottest month in Baltimore is July with average maximum temperature of +31°C.
What is the coldest month in Baltimore?
The coldest month in Baltimore is January with minimum temperatures of -1°C.
Is Baltimore worth visiting in winter?
Winter in Baltimore could be a good time to visit, as the weather is generally ok.
When does it rain the least in Baltimore?
if you're looking to visit Baltimore when it rains the least, you should plan your trip for September, July, May. During this time, rainfall is rare with the driest month being February with only 61 mm of rain.
For this page, we’ve looked at the typical weather in Baltimore, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.