United StatesThe weather in May in Baltimore
It's warm in May in Baltimore with an average temperature of 23°C. Temperatures this month range from a low of 17°C to a high of 29°C. At night, you can expect temperatures between 9°C and 19°C.
Looking for sun? May isn’t a good month to be in Baltimore. The temperature is nice, but there’s too much chance of rain.
Average temperatures and precipitation
This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in May for Baltimore, Maryland. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.
Temperature records
With 35°C in 2021, Baltimore reached the highest temperature in May over the past 10 years. The lowest daytime temperature in this month was 10°C in 2020. The extreme nighttime temperatures ranged from a lowest recorded value of 1°C to a highest value of 24°C.
Water temperature
The water temperature at Baltimore is 17°C this month. You can swim, but it's a bit chilly.
Rainfall amount
In May, there is an average of 150 mm of precipitation, spread over 17 days. The wind speed is around 4 Bft, mostly coming from the South.
Daily weather in May for Baltimore
Click on any day in May to get detailed info about the usual weather on that day in Baltimore. Check out the historical temperatures and precipitation over the past 10 years on this day.
May weather comparison
| Baltimore | New York | |
|---|---|---|
| Average temperature | 23°C | 22°C |
| Max. temperature | 29°C | 28°C |
| Min. temperature | 9°C | -5°C |
| Total precipitation | 150 mm | 105 mm |
| Rainy days | 17 days | 14 days |
Start of May
The month of May starts in Baltimore with mild temps, averaging around 21°C during the day and nights around 12°C.
Mid May
By mid-May, daytime temps rise to around 24°C, with nights around 14°C. During this part of the month, you might see regular precipitation, but there will also be some sunny days.
End of May
By the end of May, the average daytime temperature in Baltimore is around 27°C, while nighttime temps are about 17°C. A shower might pop up, but overall, the weather will be dry and sunny.
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UV index
The UV index is a maximum of 9 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
Check out the climate of Baltimore for all months and discover the best travel time
Temperature charts
These charts show the average temperatures in May in Baltimore, Maryland. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in May in Baltimore
Temperature in May in Baltimore over the years
Precipitation charts
These charts show the average amount of precipitation in May in Baltimore, Maryland. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Daily Precipitation in May in Baltimore
Total precipitation in May in Baltimore over the years
Daily UV index in May in Baltimore
This chart shows the average daily UV index in May in Baltimore, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Weather experiences in May in Baltimore
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Average weather in Baltimore by month
Click on a month below to see detailed weather info for Baltimore. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.