Broomes Island, MD climate
Broomes Island has chilly winters and warm summers. A typical July afternoon reaches 88°, a January night drops to 28°, and about 13 inches of snow falls in a normal winter.
NOAA 1991-2020 climate normals Updated once a decadeWhat a year in Broomes Island feels like
Winter
Spring
Summer
Fall
Broomes Island 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° | 28° | 3.1" | 3.9" | 10 | 2 | 28° – 43° |
| February | 48° | 29° | 2.7" | 6.0" | 9 | 3 | 28° – 45° |
| March | 56° | 36° | 4.0" | 1.3" | 11 | 1 | 40° – 54° |
| April | 66° | 45° | 3.3" | 0 | 11 | 0 | 52° – 61° |
| May | 74° | 55° | 3.8" | 0 | 12 | 0 | 60° – 71° |
| June | 83° | 64° | 4.2" | 0 | 11 | 0 | 69° – 79° |
| July | 88° | 69° | 4.6" | 0 | 10 | 0 | 74° – 82° |
| August | 86° | 68° | 4.6" | 0 | 9 | 0 | 72° – 80° |
| September | 79° | 61° | 4.5" | 0 | 9 | 0 | 67° – 76° |
| October | 69° | 49° | 4.0" | 0 | 9 | 0 | 55° – 66° |
| November | 58° | 39° | 3.2" | 0 | 8 | 0 | 43° – 53° |
| December | 49° | 32° | 3.6" | 1.3" | 10 | 1 | 31° – 51° |
| Year | 67° | 48° | 45.5" | 12.5" | 118 | 7 |
“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 Broomes Island
Broomes Island gets 45 inches of rain and melted snow a year. July is the wettest month and February the driest. Rain or snow falls on about 118 days a year. Snow covers the ground about 7 days of the year.
About 248 frost-free days a year
In half of years the last 32° night comes by March 22 and the first one by November 26. That leaves about 248 frost-free days for gardens, longer than 90% of U.S. towns.
Heating and cooling a home in Broomes Island
Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Broomes Island, 70% of that work is heating and 30% is cooling.
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 Broomes Island 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 Broomes Island averaged 1.5° warmer than the 1900s. The biggest change is in December (+2.3°). The shift is larger than in 68% of U.S. towns.
Change by month1991–2020 average minus 1901–2000 average, at Broomes Island’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 7°.
Common questions about Broomes Island’s climate
What is the coldest month in Broomes Island?
January, with a typical high of 45° and a low of 28°.
What is the hottest month in Broomes Island?
July, with a typical high of 88° and a low of 69°. About 31 days a year reach 90°.
How much snow does Broomes Island get?
About 13 inches in a normal winter, most of it in February.
When is the first frost in Broomes Island?
In half of years the first 32° night comes by November 26, and the last spring frost by March 22.
What is the rainiest month in Broomes Island?
July, with 4.6 inches of rain and melted snow. The year totals 45 inches.
Temperatures and rainfall come from NOAA’s gridded climate normals for Broomes Island itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Patuxent River Nas, MD (10 mi, snow) and Solomons, MD (8 mi, frost, heat and degree days). Normals are 30-year averages, not a forecast. Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000.