Solomons, Maryland climate: Normal weather by month, frost dates and records
Solomons's normal year runs from 30°F January nights to 88°F July afternoons. (NOAA 1991-2020 normals)
In metric: a yearly mean of 14.9°C, January lows of −1°C, July highs of 31°C.
- NOAA stationSolomons
- Station IDUSC00188405
- Location38.32°N 76.45°W
- Elevation12 ft (4 m)
- From the center1 miles
- Population (census place)2,180
On October 22, the normal high in Solomons is 67°F and the normal low 51°F.
Normals describe a typical year at the station, not a forecast. The National Weather Service forecast for Solomons.
- Jan 45° 30°
- Feb 48° 31°
- Mar 55° 38°
- Apr 65° 47°
- May 74° 58°
- Jun 84° 68°
- Jul 88° 73°
- Aug 86° 71°
- Sep 80° 65°
- Oct 69° 53°
- Nov 59° 43°
- Dec 50° 35°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
What is the weather like in Solomons each month?
July is the warmest month, with normal highs of 88°F; January the coldest, with normal lows of 30°F.
| Month | High | Low | Mean | Wet days | 90°F days | Freezing nights | Daylight |
|---|---|---|---|---|---|---|---|
| January | 45°F | 30°F | 37.7°F | – | <1 | 19 | 9 h 50 min |
| February | 48°F | 31°F | 39.2°F | – | <1 | 16 | 10 h 50 min |
| March | 55°F | 38°F | 46.3°F | – | <1 | 8 | 11 h 50 min |
| April | 65°F | 47°F | 56.4°F | – | <1 | 1 | 13 h 10 min |
| May | 74°F | 58°F | 66.0°F | – | 1 | <1 | 14 h 10 min |
| June | 84°F | 68°F | 75.7°F | – | 5 | <1 | 14 h 50 min |
| July | 88°F | 73°F | 80.3°F | – | 13 | <1 | 14 h 40 min |
| August | 86°F | 71°F | 78.7°F | – | 8 | <1 | 13 h 40 min |
| September | 80°F | 65°F | 72.4°F | – | 3 | <1 | 12 h 30 min |
| October | 69°F | 53°F | 61.0°F | – | <1 | <1 | 11 h 20 min |
| November | 59°F | 43°F | 50.8°F | – | <1 | 2 | 10 h 10 min |
| December | 50°F | 35°F | 42.3°F | – | <1 | 12 | 9 h 30 min |
| Year (annual) | 67°F | 51°F | 58.9°F | – | 31 | 59 |
The same normals in °C and millimetres
| Month | High | Low | Mean |
|---|---|---|---|
| January | 7°C | −1°C | 3.2°C |
| February | 9°C | −1°C | 4.0°C |
| March | 13°C | 3°C | 7.9°C |
| April | 19°C | 9°C | 13.6°C |
| May | 23°C | 14°C | 18.9°C |
| June | 29°C | 20°C | 24.3°C |
| July | 31°C | 23°C | 26.8°C |
| August | 30°C | 22°C | 25.9°C |
| September | 27°C | 18°C | 22.4°C |
| October | 20°C | 12°C | 16.1°C |
| November | 15°C | 6°C | 10.4°C |
| December | 10°C | 1°C | 5.7°C |
NOAA publishes no 1991-2020 snowfall normal for this station. The nearest record that keeps one, Patuxent River Naval Air Station (2 miles away), gets 13 inches of snow in a normal year; elevation and distance can change that.
Source: NOAA NCEI 1991-2020 monthly normals, station USC00188405; annual normals. Wet days: 0.01 inch or more; 90°F days and freezing nights: NOAA's day counts. Daylight: sunrise to sunset on the 15th, computed from the latitude.
When is the best weather to visit Solomons?
Normal highs sit between 65°F and 85°F in April, May, June, September and October.
That is a measurement, not a recommendation: it counts the months whose normal afternoon high sits between 65°F and 85°F, where a light layer is enough by day.
Source: NOAA NCEI 1991-2020 monthly normals, station USC00188405.
When is the last frost in Solomons?
In Solomons, the last spring frost (32°F) comes after March 22 in half of years and after April 5 in one year in ten; the first autumn frost comes before November 26 in half of years and before November 10 in one year in ten.
Frost-free in half of yearsFrost in 1 to 9 years out of 10Frost most years
- Last spring frost, half of years after
- March 221 year in 10 after April 5; 9 in 10 after March 6
- First autumn frost, half of years before
- November 261 year in 10 before November 10; 9 in 10 before December 12
NOAA puts the median frost-free season at 248 days, and the season without a hard freeze (28°F) at 276 days.
A hard freeze (28°F) comes after March 10 in half of springs and before December 9 in half of autumns.
The USDA's 2023 Plant Hardiness Zone Map puts Solomons in zone 8a across its 2 ZIP code areas (8a in 20688, the largest).
Frost dates for every NOAA station in Maryland · Frost dates by ZIP code
Source: NOAA NCEI 1991-2020 annual normals (frost probabilities), station USC00188405; USDA 2023 Plant Hardiness Zone Map, ZIP listings: PRISM Group, Oregon State University, https://prism.oregonstate.edu, accessed October 8, 2026. A 10% date means one year in ten has a frost after it in spring or before it in autumn.
What hardiness zone is each Solomons ZIP code in?
The USDA's 2023 map gives each ZIP code area one zone. Solomons's 2 ZIP code areas are all in zone 8a. Each ZIP's frost dates are in the frost tool.
Source: USDA 2023 Plant Hardiness Zone Map, ZIP listings: PRISM Group, Oregon State University, https://prism.oregonstate.edu, accessed October 8, 2026; ZIP areas in the place: Census Bureau 2020 ZCTA-to-place relationship file. A ZIP area counts when at least a tenth of its land (and 0.5 km²) lies in the place.
How hot and how cold does it get in Solomons?
In a normal year in Solomons, 31 days a year reach 90°F (1 of them 100°F or more) and 59 nights fall to 32°F or colder.
- Days at 90°F or more
- 31a normal year
- Days at 100°F or more
- 1a normal year
- Nights at 32°F or colder
- 59a normal year
- Days that stay below freezing
- 6high of 32°F or less
The highest temperature in this station's record (since 1893) is 104°F, on August 7, 1918; the lowest is −5°F, on February 10, 1899.
The wettest calendar year on that record is 1935, with 57.79 in; the snowiest season is 1966–67, with 36.0 inches.
Source: NOAA NCEI 1991-2020 annual normals, station USC00188405; records: ACIS (NOAA Regional Climate Centers), station USC00188405. Records use complete months only; a month missing more than three days is left out.
How sunny is Solomons?
Over a year 77% of the sunlight that would reach the ground under clear skies gets through the clouds in the area around Solomons, 4.2 kWh per square metre a day. July is the sunniest month (84%) and January the cloudiest (71%).
| Month | Share of clear-sky sunshine | Sunshine, kWh/m² a day |
|---|---|---|
| January | 71% | 2.2 |
| February | 72% | 3.0 |
| March | 72% | 4.0 |
| April | 75% | 5.2 |
| May | 76% | 5.8 |
| June | 82% | 6.4 |
| July | 84% | 6.3 |
| August | 82% | 5.6 |
| September | 79% | 4.5 |
| October | 76% | 3.4 |
| November | 76% | 2.5 |
| December | 71% | 1.9 |
Source: NASA POWER solar climatology, 2001-2020 (CERES SYN1deg). Satellite-based, for the 1-degree cell (about 100 km across) around the station, so it describes the area rather than the airport.
How much heating and cooling does Solomons need?
A normal year in Solomons brings 3,804 heating degree days, 29% fewer than the median U.S. place (5,373), and 1,619 cooling degree days, 78% more than the median (908). Five months need 300 or more heating degree days, a monthly mean of about 55°F or colder. For gardens and crops, NOAA counts 4,559 growing degree days a year above 50°F.
| Month | Heating | Cooling |
|---|---|---|
| January | 846 | 0 |
| February | 722 | 0 |
| March | 583 | 1 |
| April | 278 | 20 |
| May | 70 | 103 |
| June | 3 | 324 |
| July | 0 | 474 |
| August | 0 | 423 |
| September | 10 | 233 |
| October | 160 | 38 |
| November | 429 | 3 |
| December | 704 | 0 |
| Year (annual) | 3,804 | 1,619 |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00188405. A degree day is one degree of a day's mean temperature below 65°F (heating) or above it (cooling); utilities use them to estimate energy use.
How does Solomons's climate compare?
Solomons is warmer than 24 of the other 25 places with their own NOAA record in Maryland. Across the 7,247 U.S. stations with normals, its annual mean of 58.9°F is warmer than 72%.
Source: NOAA NCEI 1991-2020 normals for every station PlainClimate covers.
Which places near Solomons share this climate record?
12 places have no NOAA station with 1991-2020 normals of their own, and this station is the nearest full record. A place's own climate can differ from these figures, by several degrees where it sits much higher or lower than the station, nearer the coast, or inside a large city's heat; for the larger places the next nearest records are named with their yearly mean, so the spread around them is visible, and places of 50,000 or more have their own page with NOAA's gridded normals.
- California, MD13,223 people · 3 mi SW
- Chesapeake Ranch Estates, MD9,307 people · 3 mi NE
- Wildewood, MD7,765 people · 5 mi W
- Leonardtown, MD5,041 people · 10 mi W
- Drum Point, MD3,219 people · 1 mi NE
- Lusby, MD2,161 people · 3 mi N
- Long Beach, MD1,981 people · 10 mi N
- Callaway, MD1,087 people · 7 mi SW
- Calvert Beach, MD911 people · 11 mi N
- St. Leonard, MD562 people · 11 mi N
- Broomes Island, MD422 people · 8 mi NW
- Taylors Island, MD49 people · 13 mi NE
Source: Census Bureau 2024 Gazetteer (place centers) and Vintage 2024 population estimates. Distance and direction from the station to each place's center.
Questions about Solomons's climate
What is the coldest month in Solomons?
January, with a normal high of 45°F and a normal low of 30°F. The warmest is July (88°F by day, 73°F at night).
Does it snow in Solomons?
Yes. NOAA publishes no 1991-2020 snowfall normal for Solomons's NOAA station; the nearest record that keeps one, Patuxent River Naval Air Station (2 miles away), records 13 inches of snow in a normal year.
What plant hardiness zone is Solomons in?
The USDA's 2023 map puts Solomons in zone 8a across its 2 ZIP code areas (8a in 20688, the largest).
How late can frost come in Solomons?
In half of years the last 32°F night comes after March 22; in one year in ten it comes after April 5. Waiting until April 5 leaves about a one-in-ten chance of a later frost.
Nearby and next
- Maryland climateThe statewide normals and every place in the state
- Patuxent River Naval Air Station, MD2 miles from this station, 58.3°F a year
- St Inigoes Webster NOLF, MD12 miles from this station, 58.4°F a year
- Mechanicsville, MD19 miles from this station, 55.2°F a year
- Warsaw, VA29 miles from this station, 58.2°F a year
- Compare two placesMonth by month, side by side
Download these normals (CSV) · JSON · How these figures are made