Prince Frederick, MD climate
Prince Frederick has chilly winters and warm summers. A typical July afternoon reaches 88°, a January night drops to 27°, and about 15 inches of snow falls in a normal winter.
NOAA 1991-2020 climate normals Updated once a decadeWhat a year in Prince Frederick feels like
Winter
Spring
Summer
Fall
Prince Frederick weather by month
Average highs, lows, rain and snow for every month, from NOAA’s 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 45° | 27° | 3.2" | 5.0" | 10 | 4 | 28° – 42° |
| February | 48° | 28° | 2.7" | 6.2" | 9 | 5 | 28° – 45° |
| March | 56° | 35° | 4.1" | 1.8" | 10 | 1 | 40° – 54° |
| April | 67° | 44° | 3.3" | 0.1" | 10 | 0 | 52° – 61° |
| May | 75° | 54° | 4.0" | 0 | 11 | 0 | 60° – 70° |
| June | 83° | 63° | 4.3" | 0 | 10 | 0 | 69° – 78° |
| July | 88° | 68° | 4.5" | 0 | 10 | 0 | 73° – 81° |
| August | 86° | 66° | 4.5" | 0 | 9 | 0 | 72° – 79° |
| September | 79° | 60° | 4.7" | 0 | 9 | 0 | 66° – 75° |
| October | 69° | 48° | 4.0" | 0 | 8 | 0 | 54° – 65° |
| November | 58° | 38° | 3.3" | 0 | 8 | 0 | 42° – 52° |
| December | 49° | 31° | 3.7" | 2.0" | 9 | 2 | 31° – 51° |
| Year | 67° | 47° | 46.1" | 15.1" | 115 | 12 |
“Wet days” have at least 0.01" of rain or melted snow. “Snow on ground” counts days with 1" or more. The 30-year range is the coldest and warmest that month’s average temperature got between 1991 and 2020.
Rain and snow in Prince Frederick
Prince Frederick gets 46 inches of rain and melted snow a year. September is the wettest month and February the driest. Rain or snow falls on about 115 days a year. Snow covers the ground about 12 days of the year.
About 195 frost-free days a year
In half of years the last 32° night comes by April 17 and the first one by October 27. That leaves about 195 frost-free days for gardens, longer than 69% of U.S. towns.
Heating and cooling a home in Prince Frederick
Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Prince Frederick, 82% of that work is heating and 18% is cooling, so the furnace matters far more than the air conditioner.
Degree days measure how far each day’s average temperature falls below or rises above 65°, added up over a year. Source: NOAA station normals.
How Prince Frederick compares
Compared with every U.S. town and city on TownTapestry, each counted once.
Warmer than it used to be
The last 30 years in Prince Frederick averaged 1.4° warmer than the 1900s. The biggest change is in December (+2.4°). The shift is larger than in 65% of U.S. towns.
Change by month1991–2020 average minus 1901–2000 average, at Prince Frederick’s spot on NOAA’s grid
How much a month can swing
A normal is an average, and real years wander around it. December swings the most: between 1991 and 2020 its average temperature ranged from 31° to 51°. August is the most reliable, staying within 8°.
Common questions about Prince Frederick’s climate
What is the coldest month in Prince Frederick?
January, with a typical high of 45° and a low of 27°.
What is the hottest month in Prince Frederick?
July, with a typical high of 88° and a low of 68°. About 16 days a year reach 90°.
How much snow does Prince Frederick get?
About 15 inches in a normal winter, most of it in February.
When is the first frost in Prince Frederick?
In half of years the first 32° night comes by October 27, and the last spring frost by April 17.
What is the rainiest month in Prince Frederick?
September, with 4.7 inches of rain and melted snow. The year totals 46 inches.
Temperatures and rainfall come from NOAA’s gridded climate normals for Prince Frederick itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Mechanicsville 5 Ne, MD (8 mi) away. Normals are 30-year averages, not a forecast. Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000.